Trojan.SH.MALXMR.UWEIU
Linux
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
TECHNICAL DETAILS
Arrival Details
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
This Trojan drops the following files:
- /bin/sh /etc/cron.hourly/oanacroner -> contains the connection to http://{BLOCKED}h.shop/1.jpg
- /bin/sh /etc/cron.daily/oanacroner -> contains the connection to http://{BLOCKED}h.shop/1.jpg
- /bin/sh /etc/cron.monthly/oanacroner -> contains the connection to http://{BLOCKED}h.shop/1.jpg
- /opt/yilu/mservice
- /opt/yilu/work/xig/xig
- /opt/yilu/work/xige/xige
- /tmp/thisxxs
- /usr/bin/.sshd
- /usr/bin/bsd-port/getty
It creates the following folders:
- /opt/yilu/work/xig /opt/yilu/work/xige /usr/bin/bsd-port
- /var/tmp
- /var/spool/cron/crontabs
- /etc/cron.hourly
- /etc/cron.daily
- /etc/cron.monthly
- /opt/yilu/work/xig
- /opt/yilu/work/xige
- /usr/bin/bsd-port
Other System Modifications
This Trojan deletes the following files:
- /tmp/qW3xT.2
- /tmp/ddgs.3013
- /tmp/ddgs.3012
- /tmp/wnTKYg
- /tmp/2t3ik
- /boot/grub/deamon
- /boot/grub/disk_genius
- /tmp/*index_bak*
- /tmp/*httpd.conf*
- /tmp/*httpd.conf
- /tmp/a7b104c270
- /tmp/ddg*
- /tmp/wnTKYg
- /var/tmp/j*
- /tmp/j*
- /var/tmp/java
- /tmp/java
- /var/tmp/java2
- /tmp/java2
- /var/tmp/java*
- /tmp/java*
- /tmp/httpd.conf
- /tmp/conn
- /tmp/.uninstall*
- /tmp/.python*
- /tmp/.tables*
- /tmp/.mas
- /tmp/root.sh
- /tmp/pools.txt
- /tmp/libapache
- /tmp/config.json
- /tmp/bashf
- /tmp/bashg
- /tmp/libapache
- /tmp/kworkerds
- /var/tmp/kworkerds
- /var/tmp/config.json
- /tmp/.systemd-private-* .systemd-private-*
- /etc/rc*.d/S01nfstruncate
- /etc/rc.d/rc*.d/S01nfstruncate
- /bin/ddus-uidgen
- /etc/init.d/acpidtd
- /etc/rc.d/rc*.d/S01acpidtd
- /etc/rc*.d/S01acpidtd
- /etc/ld.sc.conf
- /etc/ld.so.preload
Process Termination
This Trojan terminates the following processes if found running in the affected system's memory:
- sourplum
- wnTKYg
- ddg*
- kworkerds
- biosetjenkins
- AnXqV.yam
- xmrigDaemon
- xmrigMiner
- xmrig
- Loopback
- apaceha
- cryptonight
- stratum
- mixnerdx
- performedl
- JnKihGjn
- irqba2anc1
- irqba5xnc1
- irqbnc1
- ir29xc1
- conns
- irqbalance
- crypto-pool
- minexmr
- XJnRj
- NXLAi
- BI5zj
- askdljlqw
- minerd
- minergate
- Guard.sh
- ysaydh
- bonns
- donns
- kxjd
- Duck.sh
- bonn.sh
- conn.sh
- kworker34
- kw.sh
- pro.sh
- polkitd
- acpid
- icb5o
- nopxi
- irqbalanc1
- minerd
- i586
- gddr
- mstxmr
- ddg.2011
- wnTKYg
- deamon
- disk_genius
- sourplum
- bashx
- bashg
- bashe
- bashf
- bashh
- XbashY
- libapache
- qW3xT.2
- /usr/bin/.sshd
- sustes
- Xbash
- kthreadd
- xmrig
- xmrigDaemon
- xmrigMiner
- xig
- ddgs
- qW3xT
- t00ls.ru
- /var/tmp/sustes
- sustes
- Xbash
- hashfish
- cranbery
- stratum
- xmr
- minerd
- /tmp/thisxxs
- /opt/yilu/work/xig/xig
- /opt/yilu/mservice
- /usr/bin/.sshd
- /usr/bin/bsd-port/getty
- Process that uses the following URL and Ports:
- {BLOCKED}.{BLOCKED}.{BLOCKED}.86:443
- {BLOCKED}.{BLOCKED}.{BLOCKED}.238
- {BLOCKED}.{BLOCKED}.{BLOCKED}2.87
- :3333
- :4444
- :5555
- :6666
- :7777
- :3347
- :14444
- :14433
- :56415
Download Routine
This Trojan connects to the following website(s) to download and execute a malicious file:
- http://{BLOCKED}h.shop/86
- http://{BLOCKED}h.shop/64
- http://{BLOCKED}h.shop/0
- http://{BLOCKED}h.shop/1.jpg
It saves the files it downloads using the following names:
- /var/tmp/r1x -> 32 bit miner. Detected as Coinminer.Linux.MALXMR.UWEIU
- /tmp/r1x -> 64 bit miner
Other Details
This Trojan does the following:
- Terminates itself if found running and then execute the updated miner
SOLUTION
Scan your computer with your Trend Micro product to delete files detected as Trojan.SH.MALXMR.UWEIU. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:
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