Overview

overview

10

Static

static

3

b2b932bd02...9e.exe

windows7-x64

10

b2b932bd02...9e.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b2b932bd02b0f2511db8b5c3b5759dc901ed4ca6446948170ad573fe7df58e9e

  • Size

    3.5MB

  • Sample

    240523-vza84aad93

  • MD5

    8e1d90f09e0627a3b6225ae5be6ce80d

  • SHA1

    578fd8c25ce5ef60dd5786940e90a44f3ff420cc

  • SHA256

    b2b932bd02b0f2511db8b5c3b5759dc901ed4ca6446948170ad573fe7df58e9e

  • SHA512

    9ae682cf05c361e49778f5fb589c5da00997919ce72ea56a7cf588560557b77e9b93e4ea450ee2dce972c41216a9c51e0b4ba2ffecfde60f00ca579f7939a65d

  • SSDEEP

    98304:A1VVv28GMAMV4nsmtk2aSrJpmPhekGZvQYocMRMh6:ytGLLpt6

Score
10/10
gh0strataspackv2persistencerat

Malware Config

Targets

    • Target

      b2b932bd02b0f2511db8b5c3b5759dc901ed4ca6446948170ad573fe7df58e9e

    • Size

      3.5MB

    • MD5

      8e1d90f09e0627a3b6225ae5be6ce80d

    • SHA1

      578fd8c25ce5ef60dd5786940e90a44f3ff420cc

    • SHA256

      b2b932bd02b0f2511db8b5c3b5759dc901ed4ca6446948170ad573fe7df58e9e

    • SHA512

      9ae682cf05c361e49778f5fb589c5da00997919ce72ea56a7cf588560557b77e9b93e4ea450ee2dce972c41216a9c51e0b4ba2ffecfde60f00ca579f7939a65d

    • SSDEEP

      98304:A1VVv28GMAMV4nsmtk2aSrJpmPhekGZvQYocMRMh6:ytGLLpt6

    Score
    10/10
    gh0strataspackv2persistencerat

    • 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

    • Sets DLL path for service in the registry

      persistence

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

      aspackv2

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Defense Evasion

Modify Registry

3
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks