Overview

overview

10

Static

static

e4f66c7778...89.exe

windows7-x64

10

e4f66c7778...89.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589

  • Size

    1.5MB

  • Sample

    221205-ypbcwsbc45

  • MD5

    de6e54980d24a1bb736104e73f477244

  • SHA1

    0024bed717c493f30a3d9901a71e049c4c89e0b3

  • SHA256

    e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589

  • SHA512

    ecb5f424834527cb66cdee34811b66840e4f3e9846434950a2de0273cc96cb61dd414ced6970ecd81c04c24fb160a57c85af4cfe4d76c6ed5483b6a4f5333151

  • SSDEEP

    49152:FxCIL3egIrU3Vu98kE98kICoqg3Or5Qm:FxCIL3eg+U3k98kE98k2J3Oy

Score
10/10
gh0stratpurplefoxevasionpersistenceratrootkittrojan

Malware Config

Targets

    • Target

      e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589

    • Size

      1.5MB

    • MD5

      de6e54980d24a1bb736104e73f477244

    • SHA1

      0024bed717c493f30a3d9901a71e049c4c89e0b3

    • SHA256

      e4f66c7778f27297573d38308dc9c073168ed13e84ea5977c302f433af62a589

    • SHA512

      ecb5f424834527cb66cdee34811b66840e4f3e9846434950a2de0273cc96cb61dd414ced6970ecd81c04c24fb160a57c85af4cfe4d76c6ed5483b6a4f5333151

    • SSDEEP

      49152:FxCIL3egIrU3Vu98kE98kICoqg3Or5Qm:FxCIL3eg+U3k98kE98k2J3Oy

    Score
    10/10
    gh0stratpurplefoxevasionpersistenceratrootkittrojan

    • Detect PurpleFox Rootkit

      Detect PurpleFox Rootkit.

      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.

      ratgh0strat

    • PurpleFox

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

      rootkittrojanpurplefox

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

2
T1158

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks