Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-09-2024 11:27

General

  • Target

    1ad438ce99b9e66c9cfe768386cc0285ff35e0f86d1aa8c94d5084090fb4a77e.exe

  • Size

    1.2MB

  • MD5

    8d7ab1c744d3ae158314ba4566423270

  • SHA1

    70935e4ddc886aa1c44312f71009a2a2794fadae

  • SHA256

    1ad438ce99b9e66c9cfe768386cc0285ff35e0f86d1aa8c94d5084090fb4a77e

  • SHA512

    a7338016b4dd19255ac1d6cf1a34fe73bddf410666705b018400b4a11125c40244abbaf1c4b19e9c930de3c9c07dfa0857c9998dd51899e4091486723078953d

  • SSDEEP

    24576:9WnukjaDKSnYBzaJbjSoGF9LzpELx3N/nHwhHK28URjX+D:MnTjaD/9v6Vcx9HwNhuD

Malware Config

Signatures

  • Detect PurpleFox Rootkit 7 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 8 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
  • Server Software Component: Terminal Services DLL 1 TTPs 2 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 9 IoCs

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

  • VMProtect packed file 10 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 11 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.

  • Modifies registry class 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 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 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1ad438ce99b9e66c9cfe768386cc0285ff35e0f86d1aa8c94d5084090fb4a77e.exe
    "C:\Users\Admin\AppData\Local\Temp\1ad438ce99b9e66c9cfe768386cc0285ff35e0f86d1aa8c94d5084090fb4a77e.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4360
    • C:\Users\Admin\AppData\Local\Temp\AK47.exe
      "C:\Users\Admin\AppData\Local\Temp\AK47.exe"
      2⤵
      • Server Software Component: Terminal Services DLL
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:916
    • C:\Users\Admin\AppData\Local\Temp\AK47.exe
      C:\Users\Admin\AppData\Local\Temp\\AK47.exe
      2⤵
      • Server Software Component: Terminal Services DLL
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:4836
    • 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:2648
      • 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:3212
        • 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:1060
    • 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:4152
    • 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:4628
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4768
    • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
      C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240616859.txt",MainThread
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2860
  • C:\Windows\SysWOW64\Ghiya.exe
    C:\Windows\SysWOW64\Ghiya.exe -auto
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1204
    • 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:3908

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\Local\Temp\AK74.exe

    Filesize

    400KB

    MD5

    b0998aa7d5071d33daa5b60b9c3c9735

    SHA1

    9365a1ff0c6de244d6f36c8d84072cc916665d3c

    SHA256

    3080b6bb456564899b0d99d4131bd6a0b284d31f7d80ef773e4872d94048d49a

    SHA512

    308c13cda9fea39b980ae686f44afd9090e9cb8970fffc4436320e0d09a31aee5e656914e0121fe888098a14c52749716fa04980396fd6ac70a88c11cbb6b850

  • 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

    ba571dd01cdd852a2bcd29b12e2281c5

    SHA1

    8c378dfcd26f7eff8e577d9f48cda9940748062c

    SHA256

    04c091f08829f12303af88a5f48204cf340cb62add7d95ea470105020507ba35

    SHA512

    0bda2024de65d5f81229206296e821aaa3340a49416884f777577fd05c85a57113f56a7249773745e0784a400c437531dda8e0d315f445b3a3462456c5c80a3a

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

    Filesize

    1.2MB

    MD5

    67c5278a905f2c44f87da6c21c427254

    SHA1

    77e39f3b4a48ced8650630749c6bddeec860752d

    SHA256

    f4f75e4ee61447027653541f5e827df6b4b18a9a448e0ef728ecb831cc10aa9e

    SHA512

    f5adc4439226b23e82e24d31f76e2e02bb95b6d7e3218f44cefc4d69e30df34afb9217e30e5074e427c529342266a7983ef0e866981c588217d9f4f4742cd495

  • C:\Windows\SysWOW64\240616875.txt

    Filesize

    49KB

    MD5

    aea8984b9ed35316d4ff3dd6ff533341

    SHA1

    377b27a17a467dbd165f26fe9179f2944db322f4

    SHA256

    4df9e6540659a31b3e623f97b02988942941b838a9476ef9f4255a753868c759

    SHA512

    b75edfbe1e44a14847a6ab42975990d2717f0b4e4985a32b46714c0715b9e680043d01603b1bbb11e241640dc6703a387d48e528bb1c06bd57827d3bdd941136

  • C:\Windows\SysWOW64\ini.ini

    Filesize

    45B

    MD5

    de7233a5365e823d2d90a0d7951cf184

    SHA1

    749482b2c8f4ba0a9194b2f730f5e3a443d76ba6

    SHA256

    0cc6cc1144bfbe7a705c57afb4ea68c38c5f5f094eb834f0f9d796338cabcb4a

    SHA512

    a6af031f43ee45846233d634b590b2682577daa67b78154707e03f90d03d7898a9630d1a5f2a6fe25fe09c47119ea5bfa829ccc78acac61dd77afc8a46fca63b

  • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

    Filesize

    60KB

    MD5

    889b99c52a60dd49227c5e485a016679

    SHA1

    8fa889e456aa646a4d0a4349977430ce5fa5e2d7

    SHA256

    6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

    SHA512

    08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

  • memory/1204-43-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/1204-45-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/1204-46-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2648-38-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2648-37-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2648-35-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/3908-52-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/3908-57-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/3908-56-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/4360-0-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/4360-77-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/4360-80-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/4360-83-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/4360-87-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/4360-1-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/4360-90-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/4360-93-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/4360-96-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB