Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    26-05-2024 08:34

General

  • Target

    b09e9f7fb63b79134d6f42bc4886fa7ef2ca1ecfcffb1a07e2a2a39e9cba8135.exe

  • Size

    2.9MB

  • MD5

    fb9a3095c8c0e60fe211504f91687357

  • SHA1

    4f2f99ed16fbf25afb8883cb30b472d4341c2fd9

  • SHA256

    b09e9f7fb63b79134d6f42bc4886fa7ef2ca1ecfcffb1a07e2a2a39e9cba8135

  • SHA512

    8ae90225a7b8a400711071ad3a864797e4fef042f1f15294000950f5a9e0a2bf723783415923044e25d0cda99e8884560d3e5433f28670ea85c2bce57e1540da

  • SSDEEP

    49152:J09XJt4HIN2H2tFvduyS7Ydq5368ic36vPxeXGnNAoxrcYz9IF7m498+YJC9yCT2:qZJt4HINy2Lk7yf8ic36v4XkVxrcYz9N

Malware Config

Signatures

  • Detect PurpleFox Rootkit 10 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 10 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 12 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\b09e9f7fb63b79134d6f42bc4886fa7ef2ca1ecfcffb1a07e2a2a39e9cba8135.exe
    "C:\Users\Admin\AppData\Local\Temp\b09e9f7fb63b79134d6f42bc4886fa7ef2ca1ecfcffb1a07e2a2a39e9cba8135.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2316
    • 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:2632
      • 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:2572
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2672
    • C:\Users\Admin\AppData\Local\Temp\HD_b09e9f7fb63b79134d6f42bc4886fa7ef2ca1ecfcffb1a07e2a2a39e9cba8135.exe
      C:\Users\Admin\AppData\Local\Temp\HD_b09e9f7fb63b79134d6f42bc4886fa7ef2ca1ecfcffb1a07e2a2a39e9cba8135.exe
      2⤵
      • Executes dropped EXE
      PID:2680
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2608
    • 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:2988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1.3MB

    MD5

    08404afce33fb3f15b8f900ffb9b7b1c

    SHA1

    ada90bfaee16a7282420704b1a99fcfa21392404

    SHA256

    b8e2ed59bcf1299ac6417570b583a4dd9f6a9dbae56462e9c263ea97f8717643

    SHA512

    c9aa66b8e7244cb2a0aac8632d58ab0441180fe3ac15b7bc8279858d6ad0c04b32c270d9c675a55e2f5bbc13ecaec5fdfc79518cf9af8fbda9d9982e68f4a617

  • \Users\Admin\AppData\Local\Temp\HD_b09e9f7fb63b79134d6f42bc4886fa7ef2ca1ecfcffb1a07e2a2a39e9cba8135.exe

    Filesize

    1.6MB

    MD5

    8c56774d965fee1c2a545f829397f886

    SHA1

    ad6296e781dc51f8b83482f348bde9cbedc5ff1c

    SHA256

    4d4346e5c731db7c49f99f2c161e71217d0db706e878c8de39bef69c40f1c7c3

    SHA512

    af731335ac62f62beef835ae67538b7a3e0bd9313e28e3d758ffc237a2037d48e8f1586f5140a260914dc0716d8f434a104804ec5a57ccd8235ccba663b79032

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

    Filesize

    377KB

    MD5

    80ade1893dec9cab7f2e63538a464fcc

    SHA1

    c06614da33a65eddb506db00a124a3fc3f5be02e

    SHA256

    57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

    SHA512

    fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

  • memory/2608-18-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2608-27-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2632-9-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2632-8-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2632-7-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2632-5-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2988-33-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2988-32-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2988-29-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2988-34-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2988-54-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2988-71-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB