General

  • Target

    23e6c76201fa61634aff840cbfaec84ff808d84a6e69eef096469a2dbe239879

  • Size

    4.4MB

  • Sample

    220612-abe7xsdhcj

  • MD5

    fdb1dfbf7f1aa178161dd3a06839b38e

  • SHA1

    e5708f772e7573ea49a47edd0c07ca7cffb3664a

  • SHA256

    23e6c76201fa61634aff840cbfaec84ff808d84a6e69eef096469a2dbe239879

  • SHA512

    8c599904363c77988e0452bde3314bd764f3f692d697ae9280251ed4e34df529da2ec42ed150c030fdc1c871ed34d89df0d4dee5f6310fd7b021003f551eb58e

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Targets

    • Target

      23e6c76201fa61634aff840cbfaec84ff808d84a6e69eef096469a2dbe239879

    • Size

      4.4MB

    • MD5

      fdb1dfbf7f1aa178161dd3a06839b38e

    • SHA1

      e5708f772e7573ea49a47edd0c07ca7cffb3664a

    • SHA256

      23e6c76201fa61634aff840cbfaec84ff808d84a6e69eef096469a2dbe239879

    • SHA512

      8c599904363c77988e0452bde3314bd764f3f692d697ae9280251ed4e34df529da2ec42ed150c030fdc1c871ed34d89df0d4dee5f6310fd7b021003f551eb58e

    • Detect XtremeRAT Payload

    • Modifies firewall policy service

    • Sality

      Sality is backdoor written in C++, first discovered in 2003.

    • UAC bypass

    • Windows security bypass

    • XtremeRAT

      The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Executes dropped EXE

    • Modifies Installed Components in the registry

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Modify Registry

7
T1112

Bypass User Account Control

1
T1088

Disabling Security Tools

3
T1089

Discovery

Query Registry

2
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Tasks