Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2024 19:50

General

  • Target

    88d8170ee5a8b318bccf8f15b073b693796de97079f8688a102109e378e8e608.exe

  • Size

    1.2MB

  • MD5

    70b9ee05abea0e615a288670a07106de

  • SHA1

    8edba7a82f6dfe73a6a1f9ab7ae72adf3852ac1b

  • SHA256

    88d8170ee5a8b318bccf8f15b073b693796de97079f8688a102109e378e8e608

  • SHA512

    c094857fe9e54998634a5040a0f94df0a47aa21a33c4ba2c6904432f81153616b58a65be61f09cf52a387f791c8d8e0ad5f23a0fce047471031a36a8100afd55

  • SSDEEP

    24576:9WnukjaDKSnYBzaJbjSoGF9LzpELx3N/nHwhHK28URjX+U:MnTjaD/9v6Vcx9HwNhuU

Malware Config

Signatures

  • Detect PurpleFox Rootkit 5 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 6 IoCs
  • Gh0strat

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

  • Gh0strat family
  • PurpleFox

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

  • Purplefox family
  • Drops file in Drivers directory 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Drops startup file 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 7 IoCs
  • VMProtect packed file 11 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 4 IoCs
  • UPX packed file 6 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

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

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\88d8170ee5a8b318bccf8f15b073b693796de97079f8688a102109e378e8e608.exe
    "C:\Users\Admin\AppData\Local\Temp\88d8170ee5a8b318bccf8f15b073b693796de97079f8688a102109e378e8e608.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2588
    • C:\Users\Admin\AppData\Local\Temp\AK47.exe
      "C:\Users\Admin\AppData\Local\Temp\AK47.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:2764
    • C:\Users\Admin\AppData\Local\Temp\AK47.exe
      C:\Users\Admin\AppData\Local\Temp\\AK47.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:2400
    • C:\Users\Admin\AppData\Local\Temp\AK74.exe
      C:\Users\Admin\AppData\Local\Temp\\AK74.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:2188
      • 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\AK74.exe > nul
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:2908
        • 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:2796
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2852
  • C:\Windows\SysWOW64\Ghiya.exe
    C:\Windows\SysWOW64\Ghiya.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2772
    • C:\Windows\SysWOW64\Ghiya.exe
      C:\Windows\SysWOW64\Ghiya.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:2920

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\AK47.exe

    Filesize

    91KB

    MD5

    423eb994ed553294f8a6813619b8da87

    SHA1

    eca6a16ccd13adcfc27bc1041ddef97ec8081255

    SHA256

    050b4f2d5ae8eaecd414318dc8e222a56f169626da6ca8feb7edd78e8b1f0218

    SHA512

    fab0a9af8031c242c486de373df7277c8b0e39f7a0c9c2ac2e385dbd3ea67be16e91b128287634f76131e5264149ab1b452cd21df4c4895e8c4efc8d8cf99095

  • C:\Users\Admin\AppData\Roaming\Microsoft\Config.ini

    Filesize

    92B

    MD5

    d0c27806f31b93b9fc2f40725c83fe20

    SHA1

    59b05bb965b9f9670f7b91c70e9e2175f6249f50

    SHA256

    827d79897a4ae98726ba7df9e70a554976117bfdd7e4867047011e1260b82e8e

    SHA512

    00755e257773645293e6330aef499a96562f65076f616d539c4dd91b13f6b67d8ebe936881edd0c10b2da3ca67e4a854f3d708c594fba291dab83897d890a4fa

  • C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs

    Filesize

    753B

    MD5

    b8114a0597833a88dab04caef05435fe

    SHA1

    a87b4df04c4c2f559a05fc637b9e78022e0ddeab

    SHA256

    b9ced61a87195a8098fb90cbc34c4531348a529a1246d94367607793dab3870c

    SHA512

    2bdbab6fe25f1b4a83ecf38906161b4d0a6793903d04a4cda4b09f8fc98bd0c0803103a548ceea5a0209c1d1e73f59649d9f391b9f2bf07a6aaa47f1a4593789

  • \Users\Admin\AppData\Local\Temp\AK74.exe

    Filesize

    400KB

    MD5

    b0998aa7d5071d33daa5b60b9c3c9735

    SHA1

    9365a1ff0c6de244d6f36c8d84072cc916665d3c

    SHA256

    3080b6bb456564899b0d99d4131bd6a0b284d31f7d80ef773e4872d94048d49a

    SHA512

    308c13cda9fea39b980ae686f44afd9090e9cb8970fffc4436320e0d09a31aee5e656914e0121fe888098a14c52749716fa04980396fd6ac70a88c11cbb6b850

  • \Users\Admin\AppData\Roaming\Microsoft\svchcst.exe

    Filesize

    1.2MB

    MD5

    6129c554be5f497247bdd94a9704c43a

    SHA1

    d2d3a37d9bcfa6266154e1434a8388cead6257d3

    SHA256

    dc1b65377f9be48e04f480059565893241f0ccd25ced9403771b1eb88d026e24

    SHA512

    d050db0b54775b662405af0387e59009b6614794ec135932830a9619d75ed3727e39a8c868fd7098a60b7b39b107a84df877773958c523e64fec9120ec1f4e16

  • \Windows\SysWOW64\259429553.txt

    Filesize

    49KB

    MD5

    434282ab7d7e789f3c7b8a118b19daf6

    SHA1

    6f6d603bafdb6a7a19f28e11ac3621cc739f1408

    SHA256

    664c2c040e3c1728b50e5d9c5da54e2093d0707a1702711d289a1e4d445c307b

    SHA512

    b5f37738174dc842ca48a3cafbb8f998117637e106d57e3d9a6c383b88cd0b18b26b34764c43859ee2c34df357f5d3ef3dcb0e51fac13051e46db2a933e969c9

  • memory/2188-21-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2188-24-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2188-23-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2588-58-0x0000000002310000-0x0000000002320000-memory.dmp

    Filesize

    64KB

  • memory/2588-79-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/2588-59-0x0000000002310000-0x0000000002320000-memory.dmp

    Filesize

    64KB

  • memory/2588-0-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/2588-88-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/2588-85-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/2588-63-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/2588-66-0x0000000002310000-0x0000000002320000-memory.dmp

    Filesize

    64KB

  • memory/2588-65-0x0000000002310000-0x0000000002320000-memory.dmp

    Filesize

    64KB

  • memory/2588-69-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/2588-72-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/2588-76-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/2588-1-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/2588-82-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/2920-47-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2920-44-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2920-60-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB