General

  • Target

    2e891221af5440aef23af095eade8bfefa86dfc694e4e614ccfc1a31acb0d11d

  • Size

    3.9MB

  • Sample

    240623-xgxqgsserr

  • MD5

    0249b2f7f8c26e0b4a0ece58c9d6eaa7

  • SHA1

    27aa4bd4c5cf370c7e82dabbdbdbd69be014cc07

  • SHA256

    2e891221af5440aef23af095eade8bfefa86dfc694e4e614ccfc1a31acb0d11d

  • SHA512

    3a162c75d9abf25e7cdbc8b5ddc3b746224f0bfe8f1d18b6d9f7be4fd42ddb180d26a0eb82fd0af96eee441297ef5441b3c590e87fe059fd348ec80b114ee43d

  • SSDEEP

    98304:pGdVyVT9nOgmhaANSMXyN6htR5jWUgFyI2OhkgA:2WT9nO7wANSQygbuP28VA

Malware Config

Targets

    • Target

      2e891221af5440aef23af095eade8bfefa86dfc694e4e614ccfc1a31acb0d11d

    • Size

      3.9MB

    • MD5

      0249b2f7f8c26e0b4a0ece58c9d6eaa7

    • SHA1

      27aa4bd4c5cf370c7e82dabbdbdbd69be014cc07

    • SHA256

      2e891221af5440aef23af095eade8bfefa86dfc694e4e614ccfc1a31acb0d11d

    • SHA512

      3a162c75d9abf25e7cdbc8b5ddc3b746224f0bfe8f1d18b6d9f7be4fd42ddb180d26a0eb82fd0af96eee441297ef5441b3c590e87fe059fd348ec80b114ee43d

    • SSDEEP

      98304:pGdVyVT9nOgmhaANSMXyN6htR5jWUgFyI2OhkgA:2WT9nO7wANSQygbuP28VA

    • 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.

    • Drops file in Drivers directory

    • Server Software Component: Terminal Services DLL

    • Sets service image path in registry

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Server Software Component

1
T1505

Terminal Services DLL

1
T1505.005

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

2
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Tasks