Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 19:51

General

  • Target

    940a699e67b907d10659b4f12a6207e791367e7d57339bbe258753e197f44e73.exe

  • Size

    4.6MB

  • MD5

    b76e2e88e8ba1ad6daf0f5c56812665b

  • SHA1

    90a0bd177ee9e6ad039e94eb34caeb2039490c42

  • SHA256

    940a699e67b907d10659b4f12a6207e791367e7d57339bbe258753e197f44e73

  • SHA512

    669da765dc2fef047fb2d55d78fefcc37dc1d49d6adf6facbb0bfc5f949f9570cb9d19e73555003d1e4b3ee75c6d7a139661ed44d6aaa9df7f21aa427d67e3d2

  • SSDEEP

    49152:k09XJt4HIN2H2tFvduySZbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8R:JZJt4HINy2LkZbXsPN5kiQaZ56

Malware Config

Signatures

  • Detect PurpleFox Rootkit 12 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 12 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.

  • Drops file in Drivers directory 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 14 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\940a699e67b907d10659b4f12a6207e791367e7d57339bbe258753e197f44e73.exe
    "C:\Users\Admin\AppData\Local\Temp\940a699e67b907d10659b4f12a6207e791367e7d57339bbe258753e197f44e73.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1948
    • 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
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1712
      • 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⤵
        • Suspicious use of WriteProcessMemory
        PID:2588
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2612
    • C:\Users\Admin\AppData\Local\Temp\HD_940a699e67b907d10659b4f12a6207e791367e7d57339bbe258753e197f44e73.exe
      C:\Users\Admin\AppData\Local\Temp\HD_940a699e67b907d10659b4f12a6207e791367e7d57339bbe258753e197f44e73.exe
      2⤵
      • Executes dropped EXE
      PID:2840
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2284
    • 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:2752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1.5MB

    MD5

    42e87ce3b1276510c94a93267f8f3aa3

    SHA1

    a1d6e18bef7da498ce2a526d7c3e2c9d9801d96d

    SHA256

    2945f0167565afe007584be8df2cec4569f12d9c44acbae914c763475ecd85eb

    SHA512

    bdc7d56784bc083518c9f662058f58822e839bed6a7f1f7b81251127792d755d21dc1fca01947ee677bee005537abc070a06e37ec8f270af6815847c4c6b0b6f

  • \Users\Admin\AppData\Local\Temp\HD_940a699e67b907d10659b4f12a6207e791367e7d57339bbe258753e197f44e73.exe

    Filesize

    3.1MB

    MD5

    fb083acd60fe5c3156dc25442be815e3

    SHA1

    61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

    SHA256

    f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

    SHA512

    7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

  • \Users\Admin\AppData\Local\Temp\RVN.exe

    Filesize

    377KB

    MD5

    80ade1893dec9cab7f2e63538a464fcc

    SHA1

    c06614da33a65eddb506db00a124a3fc3f5be02e

    SHA256

    57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

    SHA512

    fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

  • memory/1712-5-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/1712-12-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/1712-7-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/1712-8-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/1712-19-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2284-18-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2284-28-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2752-29-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2752-33-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2752-32-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2752-35-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2752-31-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2752-40-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2752-73-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB