Analysis

  • max time kernel
    144s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-01-2023 21:23

General

  • Target

    10a6f27bfe7df6468b513c699e340ce653d57780122281936f81a0de3e908a8b.dll

  • Size

    1MB

  • MD5

    c09967bc3cf34135daa7d1b03f18f19c

  • SHA1

    207cc7b44ccb8714117ff5aa093d72c688124514

  • SHA256

    10a6f27bfe7df6468b513c699e340ce653d57780122281936f81a0de3e908a8b

  • SHA512

    7d83027ba35833270a418342892a720d7701ea7ef8fc8d114994d1226aea0ee069ed3949796034fc7bbd410102da598dbe9249b859627b707cc3613ca63fed51

  • SSDEEP

    12288:CKY/1o26kw6BEVNsa4gOYKikqiCUDqgsX+QOpda8RUTMfgVSl54DeSWKVJLlqX7l:36BA5+J/aQgVSlarWMWieUU

Malware Config

Signatures

  • Detect PurpleFox Rootkit 1 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 1 IoCs
  • 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.

  • Blocklisted process makes network request 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\10a6f27bfe7df6468b513c699e340ce653d57780122281936f81a0de3e908a8b.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4560
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\10a6f27bfe7df6468b513c699e340ce653d57780122281936f81a0de3e908a8b.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Adds Run key to start application
      PID:488

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/488-132-0x0000000000000000-mapping.dmp
  • memory/488-133-0x0000000010000000-0x0000000010162000-memory.dmp
    Filesize

    1MB

  • memory/488-134-0x0000000002E00000-0x0000000002FA6000-memory.dmp
    Filesize

    1MB