General

  • Target

    409102da140eade153f71bc17783339f6abf846400330fad58542685918f296f

  • Size

    292KB

  • Sample

    221023-b7a4hsfggr

  • MD5

    97f704560dcff46dce993bcb20c4b586

  • SHA1

    eedba8ba1301d602bf7c26b7f7b7c5168b6d7979

  • SHA256

    409102da140eade153f71bc17783339f6abf846400330fad58542685918f296f

  • SHA512

    3f32e599196079a12110ebe9e7617f293d2bb5f63714e192519814651082a3f019077147208c8e7cfa6d458465a2cd65d515ccc5366fbe6953f5f625f542d36c

  • SSDEEP

    6144:rSs33LF1A1hi83SM/oNEnmb7GRM9TkepWGoLL:J51Mi83ho+nXM9T

Malware Config

Targets

    • Target

      409102da140eade153f71bc17783339f6abf846400330fad58542685918f296f

    • Size

      292KB

    • MD5

      97f704560dcff46dce993bcb20c4b586

    • SHA1

      eedba8ba1301d602bf7c26b7f7b7c5168b6d7979

    • SHA256

      409102da140eade153f71bc17783339f6abf846400330fad58542685918f296f

    • SHA512

      3f32e599196079a12110ebe9e7617f293d2bb5f63714e192519814651082a3f019077147208c8e7cfa6d458465a2cd65d515ccc5366fbe6953f5f625f542d36c

    • SSDEEP

      6144:rSs33LF1A1hi83SM/oNEnmb7GRM9TkepWGoLL:J51Mi83ho+nXM9T

    • 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

    • 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