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Rootkit.Linux.SKIDMAP.A

September 16, 2019
 Analysis by: Jemimah Mae Molina
 PLATFORM:

Linux

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Rootkit

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This rootkit is used by Skidmap - a Linux malware - to hide its cryptocurrency-mining abilities.

This Rootkit 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

File Size:

272,665 bytes

File Type:

ELF

Memory Resident:

Yes

Initial Samples Received Date:

04 Sep 2019

Arrival Details

This Rootkit arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Other Details

This Rootkit does the following:

  • It hides the following files:
    • kswaped
    • kaudited
    • ip6network
    • ip4network
    • systemd-network
    • xpropd
    • xcond
    • pluto
    • mingety
    • xiscsd
    • tplinkd
    • pascald
    • gemdos2d
    • gloofields
    • hopformdit
    • pkeeminfo
    • pamdicks
    • rxmlb2
    • mdpsloads
    • infiniex
    • lzmoinfo
    • picsmanager
    • perkiseek
    • sequemanx
    • oddobjump
    • pdxmlmtg
    • mpidrubit
    • hansiupxd
    • helpmaninfo
    • mpartinconf
    • raid.ko
    • iptable_mac.ko
    • snd_pcs.ko
    • usb_pcs.ko
    • ipv6_kac.ko
    • usb_control
    • S94ip6network
    • S95systemd-network
    • pptpctrl
    • ndptxeinfo
    • helpmaninfo
    • libxml2info
    • pkeeminfo
    • grub2-infolist
    • loadpixcare
    • loadxjump
    • irqbalanced
    • libpcmcia.so
    • ld.so.preload
    • vpnserver
    • ssd_control
    • iproute.ko
    • netlink.ko
    • cryptov2.ko
    • acpi_console.ko
    • raid_console.ko
    • ilog.h
    • olog.h
    • tinymapper
    • udp2raw
    • tinyvpn
    • rctlconf
    • rctlcli
    • rctlser
    • rctl_cert.pem
    • rctl_priv.pem
    • rctl_ca.crt
    • rctlcli.cfg
  • It is used by Trojan.Linux.SKIDMAP.UWEJX for its rootkit capabilities.

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

15.346.01

FIRST VSAPI PATTERN DATE:

04 Sep 2019

VSAPI OPR PATTERN File:

15.347.00

VSAPI OPR PATTERN Date:

05 Sep 2019

Scan your computer with your Trend Micro product to delete files detected as Rootkit.Linux.SKIDMAP.A. 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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