Analysis

  • max time kernel
    148s
  • max time network
    166s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-11-2022 13:21

General

  • Target

    185150cf963d86f864b8f88352e27d8bd43c02a0931204e43ba9d1ca9da307b0.dll

  • Size

    701KB

  • MD5

    4cf1deb0b1ff249384a85826536ae644

  • SHA1

    5fbeb20d18fa6a9b14aee61e11caaf2114d9cb73

  • SHA256

    185150cf963d86f864b8f88352e27d8bd43c02a0931204e43ba9d1ca9da307b0

  • SHA512

    52d01ae97723112e3e05f7ea4733e9d0847667935dbd286956aee6acd4fe84684bb1db3b82dcfd735e98ce6ec68720cb52051ae497aad9ecb5974d73e4004991

  • SSDEEP

    12288:lgIn6s/NFLEs3IOcwKs/rs9aaVBTlm64fPtA+AfbOIEH/WRep8KKJv31:ldJjIOcwKs/r8lm6L+vz/eepPy

Malware Config

Signatures

  • Detect PurpleFox Rootkit 2 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 2 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
  • UPX packed file 2 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\185150cf963d86f864b8f88352e27d8bd43c02a0931204e43ba9d1ca9da307b0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:864
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\185150cf963d86f864b8f88352e27d8bd43c02a0931204e43ba9d1ca9da307b0.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Adds Run key to start application
      PID:1372

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/1372-54-0x0000000000000000-mapping.dmp
  • memory/1372-55-0x0000000076261000-0x0000000076263000-memory.dmp
    Filesize

    8KB

  • memory/1372-56-0x0000000010000000-0x0000000010169000-memory.dmp
    Filesize

    1MB

  • memory/1372-57-0x0000000002100000-0x00000000022A6000-memory.dmp
    Filesize

    1MB

  • memory/1372-63-0x0000000010000000-0x0000000010169000-memory.dmp
    Filesize

    1MB