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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
    18/01/2025, 21:57 UTC

General

  • Target

    b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe

  • Size

    1.2MB

  • MD5

    c1184f254228290fcb99b9ec3f9a0e71

  • SHA1

    5bae1939d59baf40456929c46672160751b61046

  • SHA256

    b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed

  • SHA512

    703e82641bf973c9b7780cd68af42e6c01edbe1e374cd3d36853b18b442047e66d7d62b4d284667c4fac6764bb853e832c81e560b3a55808bcbbad853525657f

  • SSDEEP

    24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiq:WIwgMEuy+inDfp3/XoCw57XYBwKq

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 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\b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe
    "C:\Users\Admin\AppData\Local\Temp\b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.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:2996
    • 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:2088
    • 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:2104
    • 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:580
      • 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:2748
        • 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:3016
    • 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:2608
  • 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:2860
    • 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:2728

Network

  • flag-us
    DNS
    cf1549064127.f3322.net
    Ghiya.exe
    Remote address:
    8.8.8.8:53
    Request
    cf1549064127.f3322.net
    IN A
    Response
  • 43.249.193.73:54997
    b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe
    152 B
    3
  • 43.249.193.73:54997
    b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe
    152 B
    3
  • 43.249.193.73:54997
    b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe
    152 B
    3
  • 43.249.193.73:54997
    b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe
    152 B
    3
  • 43.249.193.73:54997
    b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe
    152 B
    3
  • 43.249.193.73:54997
    b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe
    152 B
    3
  • 43.249.193.73:54997
    b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe
    152 B
    3
  • 43.249.193.73:54997
    b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe
    52 B
    1
  • 8.8.8.8:53
    cf1549064127.f3322.net
    dns
    Ghiya.exe
    68 B
    129 B
    1
    1

    DNS Request

    cf1549064127.f3322.net

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • 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

    6ac2f2b279f66c666e5cdc6ee2f1fa94

    SHA1

    f3228f9a387c8fe88842e9fb23038629e8c7e871

    SHA256

    9dab1184a0e35897028959590cd03b202a7d2296acf9fb6df7f777bce6c9e0aa

    SHA512

    885bda6e21bb4a2e34d86a9195bb4472091ed7e82ff80fd7083876384836fc8dbbc8f09da43ed3fda178371a18baa8140bfdb8254e792905d00dcc7bb1dd3907

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

    Filesize

    91KB

    MD5

    423eb994ed553294f8a6813619b8da87

    SHA1

    eca6a16ccd13adcfc27bc1041ddef97ec8081255

    SHA256

    050b4f2d5ae8eaecd414318dc8e222a56f169626da6ca8feb7edd78e8b1f0218

    SHA512

    fab0a9af8031c242c486de373df7277c8b0e39f7a0c9c2ac2e385dbd3ea67be16e91b128287634f76131e5264149ab1b452cd21df4c4895e8c4efc8d8cf99095

  • \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

    d2d1e049df1284d691a97032f655e06e

    SHA1

    df9b35ec056e8ca1484bc9164e9d5708f35f7cdd

    SHA256

    678541cb11221200a837626d900b3e64e4d22ec8381e9978c2e051f028cd467e

    SHA512

    944312c4b6a35be4e76eb0031f19e7287c83f6b4ddd5084551c3b0ee39150728e4ba599d7fe6dc21bfa2727fafbc002e923be44ff08e145fa8ed3df2eb083777

  • \Windows\SysWOW64\259441939.txt

    Filesize

    49KB

    MD5

    0dcd721cafd686028ac00b2feab38d5c

    SHA1

    a40ad5954670c4e2dbe8347ad17f050c54e77d4c

    SHA256

    d3e62956f816a8e03e2c46f3b4c424f40b49e7c0bdba5a4841f41463634b9bbe

    SHA512

    6dcb69eb2825c0eeddcccd1c8ab6c9943367ded6f5d1f389b28552dd155ea6782b235ba1c6387655dc03bf87460bf38e948f3601552071686e27d02b7ddb6efa

  • memory/580-21-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/580-23-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/580-24-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2728-44-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2728-48-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2728-52-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2996-63-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/2996-60-0x0000000000B40000-0x0000000000B50000-memory.dmp

    Filesize

    64KB

  • memory/2996-59-0x0000000000B40000-0x0000000000B50000-memory.dmp

    Filesize

    64KB

  • memory/2996-0-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/2996-66-0x0000000000B40000-0x0000000000B50000-memory.dmp

    Filesize

    64KB

  • memory/2996-65-0x0000000000B40000-0x0000000000B50000-memory.dmp

    Filesize

    64KB

  • memory/2996-69-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/2996-72-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/2996-76-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/2996-1-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/2996-79-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/2996-82-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/2996-85-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

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