General

  • Target

    c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306

  • Size

    28KB

  • Sample

    221005-z2xmbsfhfk

  • MD5

    2609d2fe1548df223db36557c0da7be9

  • SHA1

    04ed4ab181abf1fe593d861a3a80e81890b55182

  • SHA256

    c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306

  • SHA512

    9f71824a85c4cdc7fefde91f797bf7017ec648726e82a009c52334ab2aa5c6b6209fbfb2d677439d3674383e9755aedfedbb566acdb6f793d18105ec00b9b715

  • SSDEEP

    192:XpVH9RnW5JKaEVDVE4WMdb9EVRhoynQLdgH9C2tNVRmd8MFA93M3pkR:XEo9WMdb9khumdC2tNVwd5ASc

Malware Config

Targets

    • Target

      c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306

    • Size

      28KB

    • MD5

      2609d2fe1548df223db36557c0da7be9

    • SHA1

      04ed4ab181abf1fe593d861a3a80e81890b55182

    • SHA256

      c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306

    • SHA512

      9f71824a85c4cdc7fefde91f797bf7017ec648726e82a009c52334ab2aa5c6b6209fbfb2d677439d3674383e9755aedfedbb566acdb6f793d18105ec00b9b715

    • SSDEEP

      192:XpVH9RnW5JKaEVDVE4WMdb9EVRhoynQLdgH9C2tNVRmd8MFA93M3pkR:XEo9WMdb9khumdC2tNVwd5ASc

    • Detect PurpleFox Rootkit

      Detect PurpleFox Rootkit.

    • Gh0st RAT payload

    • Gh0strat

      Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

    • PurpleFox

      PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

    • UAC bypass

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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.

    • Drops startup file

    • Loads dropped DLL

    • Checks whether UAC is enabled

    • Enumerates connected drives

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

    • An obfuscated cmd.exe command-line is typically used to evade detection.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Modify Registry

2
T1112

Discovery

Query Registry

4
T1012

System Information Discovery

6
T1082

Peripheral Device Discovery

2
T1120

Tasks