Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2024 12:49

General

  • Target

    fd9eddbe685593d515408aa4a4b81c6b46cc2a09f957ff2a5a870e0bf42a3ec9.exe

  • Size

    1.2MB

  • MD5

    c7cf86be22e2fb7077c0e4deadcf9045

  • SHA1

    1c62b2f2d6b6dab37ac7d0da60962013a8cdaa9e

  • SHA256

    fd9eddbe685593d515408aa4a4b81c6b46cc2a09f957ff2a5a870e0bf42a3ec9

  • SHA512

    fd6dd2b855c3d758ac0721f94ec6af17863d72eb7dd003c46326369107b9b76f3064529f260e8169491c9b44cfa2600801de0907eb83093161cfe53269359428

  • SSDEEP

    24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiW:WIwgMEuy+inDfp3/XoCw57XYBwKW

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 10 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 3 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\fd9eddbe685593d515408aa4a4b81c6b46cc2a09f957ff2a5a870e0bf42a3ec9.exe
    "C:\Users\Admin\AppData\Local\Temp\fd9eddbe685593d515408aa4a4b81c6b46cc2a09f957ff2a5a870e0bf42a3ec9.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:2924
    • 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:2424
    • C:\Users\Admin\AppData\Local\Temp\AK47.exe
      C:\Users\Admin\AppData\Local\Temp\\AK47.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2384
    • 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:2192
      • 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:2484
        • 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:2752
    • 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:2708
  • 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:1652
    • 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:2012

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

    29ce53e2a4a446614ccc8d64d346bde4

    SHA1

    39a7aa5cc1124842aa0c25abb16ea94452125cbe

    SHA256

    56225be6838bc6e93ea215891eacf28844ae27a9f8b2b29bf19d3a8c2b1f58df

    SHA512

    b2c5a2708c427171a5715801f8ea733ffe88d73aaaaf59c5c752ea32cbe7aae8526cc26eabe84ad5043174c0c69b1d6b15a9fb125c15accfac3462d5d08a0faa

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

    Filesize

    753B

    MD5

    8cd1fa112721f3a5cfa27aa1d2020b7e

    SHA1

    56f7894a76f63c8dab48bf814f7438abe82686e3

    SHA256

    02617390143437ce8a2026efc81a87ffef7f6e558811e20c67de22b75a633a78

    SHA512

    3d31155465d5272bff3586f4365b3e883f2290206fef57c1607e3c349647438985452cd964dc906e98a873bdabdd4f1fb128dd231361efedf4b89a6c9f32e075

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

    Filesize

    1.2MB

    MD5

    cfa9fa651390efdc3b6b88bd6aeef8eb

    SHA1

    927f24b242755b1851f12601fd24080b36e3fdb1

    SHA256

    0b4b6675266e8334f2aa435a17a70a5bb8fa6d938de0f23f0d9995765e9a074e

    SHA512

    cda072788f6913b89bf45b029fbe92ed40455f7edded3821a22354d0700810de6e4e39e007d9f4652a2806dd5a5f105252b87f32e00414ed1f69e4503a94afc8

  • \Windows\SysWOW64\259439771.txt

    Filesize

    49KB

    MD5

    86481b983182d3811f61828b0895ad85

    SHA1

    0289de8b80455a314a81a729ee90c3a288df586f

    SHA256

    52a5581b64fb196462d65de904eaaadf42b03d84761c8565aca5db8a8af524c7

    SHA512

    37c4833bf60bfefd0a2847d1d674d84aa17a3b7308b399266c4b41774536f927a7906b71d9ad7d2bcf348f9e04abe36369f5463b538afb0e56127bcb2e6e5dca

  • memory/2012-45-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2012-48-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2012-49-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2192-21-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2192-24-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2192-23-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2924-59-0x0000000002280000-0x0000000002290000-memory.dmp

    Filesize

    64KB

  • memory/2924-60-0x0000000002280000-0x0000000002290000-memory.dmp

    Filesize

    64KB

  • memory/2924-0-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/2924-63-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/2924-64-0x0000000002280000-0x0000000002290000-memory.dmp

    Filesize

    64KB

  • memory/2924-65-0x0000000002280000-0x0000000002290000-memory.dmp

    Filesize

    64KB

  • memory/2924-69-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/2924-72-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/2924-76-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/2924-1-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/2924-79-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/2924-82-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/2924-85-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB