Overview

overview

10

Static

static

3

tmp.exe

windows7-x64

10

tmp.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    tmp

  • Size

    2.6MB

  • Sample

    230519-njxntsgc7z

  • MD5

    3601472d942d7a893e015cbea6a2931b

  • SHA1

    b57bf034b799265bbdc5ca6e269645fc2159c411

  • SHA256

    f6087b5b38afaa2ea8da58c002ae713c100566b8c0545f051bd97e8c0d3e67e5

  • SHA512

    8908796d8da86ec09b4688949ca2089eac111146359d531243294028bb6c97189355b4a440cc329346dd737e563ce48441015d0a0f85d83330bedfc19a9d2dc2

  • SSDEEP

    49152:WCwsbCANnKXferL7Vwe/Gg0P+WhGwTC+D:hws2ANnKXOaeOgmhGwTC4

Score
10/10
gh0stratpurplefoxevasionpersistenceratrootkittrojanupx

Malware Config

Extracted

Family

gh0strat

C2

159.75.0.162

Targets

    • Target

      tmp

    • Size

      2.6MB

    • MD5

      3601472d942d7a893e015cbea6a2931b

    • SHA1

      b57bf034b799265bbdc5ca6e269645fc2159c411

    • SHA256

      f6087b5b38afaa2ea8da58c002ae713c100566b8c0545f051bd97e8c0d3e67e5

    • SHA512

      8908796d8da86ec09b4688949ca2089eac111146359d531243294028bb6c97189355b4a440cc329346dd737e563ce48441015d0a0f85d83330bedfc19a9d2dc2

    • SSDEEP

      49152:WCwsbCANnKXferL7Vwe/Gg0P+WhGwTC+D:hws2ANnKXOaeOgmhGwTC4

    Score
    10/10
    gh0stratpurplefoxpersistenceratrootkittrojanupxevasion

    • 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

    • Modifies firewall policy service

      evasion

    • PurpleFox

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

      rootkittrojanpurplefox

    • Drops file in Drivers directory

    • Sets DLL path for service in the registry

      persistence

    • Sets service image path in registry

      persistence

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

      upx

    • 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.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

3
T1060

Privilege Escalation

Defense Evasion

Modify Registry

4
T1112

Credential Access

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

3
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks