Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 06:46

General

  • Target

    ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe

  • Size

    2.6MB

  • MD5

    b4553e0afe7e7d7ece186cd54c7ca513

  • SHA1

    a3da175d1977924b017e35a14ffbdbb253011822

  • SHA256

    ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31

  • SHA512

    1e36a323f0ac40f6769578b4eb66eb505b80306d973d0cdffdd644db5b10871c36ee8413ef88e684cdb0f898f2dca01f4a440d67a1a9cb146e6a1a1e48712337

  • SSDEEP

    49152:L09XJt4HIN2H2tFvduySIwypXTrcU0V2mkjSPfRpFmPgHvjD:4ZJt4HINy2LkyXv0PfRpFmUn

Malware Config

Signatures

  • Detect PurpleFox Rootkit 11 IoCs

    Detect PurpleFox 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.

  • 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
  • UPX packed file 13 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 5 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 2 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\ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe
    "C:\Users\Admin\AppData\Local\Temp\ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2132
    • 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:1696
      • 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:2848
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:5000
    • C:\Users\Admin\AppData\Local\Temp\HD_ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe
      C:\Users\Admin\AppData\Local\Temp\HD_ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe
      2⤵
      • Executes dropped EXE
      PID:4936
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:4980
    • 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:4496

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

    048ba969fb775639da1c2ffcf070cb57

    SHA1

    78dcd6d1a524d982179e5a29c74d45e29b8870b5

    SHA256

    a21812cae7935266b2456df2a504151492dafae9261f10204fc6e925ed5f6cd1

    SHA512

    6c64dde768ce138084d31449cdd4c6554a796d92dda38a4d03e2d0faca6f362cc27706f6d8107d9c5a186ee8de1f66a25e09095fc2a9252281b3bee9e33378b2

  • C:\Users\Admin\AppData\Local\Temp\HD_ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe

    Filesize

    1.4MB

    MD5

    958180c3bedd3acde34fa4389644e849

    SHA1

    915774d512835543a474dd407d2b85480abc2771

    SHA256

    010ce7fbebd9c606691ff17cd970945df9a7aec7a5ad42da40c0325e6e33a749

    SHA512

    9e8a6117631aaa5201eee9f8a9ae8dc4cd2eb9c7798a4005ccd67714c32426ed62de16c00363e2e6ce5cfcd1cc22ea82c6e811e6db894a3b831e2a47f58a3234

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

    Filesize

    377KB

    MD5

    80ade1893dec9cab7f2e63538a464fcc

    SHA1

    c06614da33a65eddb506db00a124a3fc3f5be02e

    SHA256

    57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

    SHA512

    fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

  • memory/1696-5-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/1696-10-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/1696-6-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/1696-7-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/4496-25-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/4496-40-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/4496-49-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/4496-77-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/4980-13-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/4980-15-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/4980-17-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/4980-16-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/4980-24-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB