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Overview

overview

10

Static

static

3

b8c1ff3098...cb.exe

windows7-x64

10

b8c1ff3098...cb.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/12/2024, 11:53

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General

  • Target

    b8c1ff3098bc471f814889a516239270d3ccc13390af5b064c024be67f61fecb.exe

  • Size

    1.2MB

  • MD5

    87a32e2deb14d40b4b76ff453ab987ce

  • SHA1

    1ecca821ec131f00c2f405d1c277ad9097674bf6

  • SHA256

    b8c1ff3098bc471f814889a516239270d3ccc13390af5b064c024be67f61fecb

  • SHA512

    dc6f5ab83609664bb95df4085c9e18f997699f7e0d6a6e3a199735416c19c4f2143b9f0d2b797d845221459f9babe9c2d2d2b5f3474f51fc982de42cc5c211c7

  • SSDEEP

    24576:b09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+Jgm:b09XJt4HIN2H2tFvduySngm

Score
10/10
gh0stratpurplefoxdiscoverypersistenceratrootkittrojanupx

Malware Config

Signatures

  • Detect PurpleFox Rootkit 11 IoCs

    Detect PurpleFox Rootkit.

    rootkit
  • Gh0st RAT payload 11 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

    ratgh0strat
  • Gh0strat family
    gh0strat
  • PurpleFox

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

    rootkittrojanpurplefox
  • Purplefox family
    purplefox
  • Drops file in Drivers directory 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
    persistence
  • Executes dropped EXE 3 IoCs
  • Drops file in System32 directory 2 IoCs
  • UPX packed file 13 IoCs

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

    upx
  • Drops file in Program Files directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

    discovery
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b8c1ff3098bc471f814889a516239270d3ccc13390af5b064c024be67f61fecb.exe
    "C:\Users\Admin\AppData\Local\Temp\b8c1ff3098bc471f814889a516239270d3ccc13390af5b064c024be67f61fecb.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4244
    • C:\Users\Admin\AppData\Local\Temp\RVN.exe
      C:\Users\Admin\AppData\Local\Temp\\RVN.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3976
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\RVN.exe > nul
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:1300
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2952
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4272
    • C:\Windows\SysWOW64\TXPlatforn.exe
      C:\Windows\SysWOW64\TXPlatforn.exe -acsi
      2⤵
      • Drops file in Drivers directory
      • Sets service image path in registry
      • Executes dropped EXE
      • Suspicious behavior: LoadsDriver
      • Suspicious use of AdjustPrivilegeToken
      PID:2116

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\HD_X.dat
    Filesize

    1.2MB

    MD5

    87a32e2deb14d40b4b76ff453ab987ce

    SHA1

    1ecca821ec131f00c2f405d1c277ad9097674bf6

    SHA256

    b8c1ff3098bc471f814889a516239270d3ccc13390af5b064c024be67f61fecb

    SHA512

    dc6f5ab83609664bb95df4085c9e18f997699f7e0d6a6e3a199735416c19c4f2143b9f0d2b797d845221459f9babe9c2d2d2b5f3474f51fc982de42cc5c211c7

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\RVN.exe
    Filesize

    377KB

    MD5

    80ade1893dec9cab7f2e63538a464fcc

    SHA1

    c06614da33a65eddb506db00a124a3fc3f5be02e

    SHA256

    57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

    SHA512

    fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

    Download Submit

  • memory/2116-25-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/2116-53-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/2116-50-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/2116-48-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/3976-10-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/3976-7-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/3976-4-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/3976-6-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/4272-17-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/4272-16-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/4272-15-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/4272-24-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/4272-13-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

    Download