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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
    20/01/2025, 18:47

General

  • Target

    d476a1cab7a2bed5056fbabea05175330035cd7b4c791634def1b845bd7b3fa7.exe

  • Size

    1.2MB

  • MD5

    bf59238d756b9f76424fef6c236eb9a0

  • SHA1

    b0f1c0a969053c9eb528b7e7349eadfc1e646639

  • SHA256

    d476a1cab7a2bed5056fbabea05175330035cd7b4c791634def1b845bd7b3fa7

  • SHA512

    f5fd9a7af2d3520d9d075a9678a87099f8ed8daa356249805540970b1b7a74105d7a9dbf4731a32fc6f1088ae9d7a227685adfa116bfe28d46a66cd735fd06f3

  • SSDEEP

    24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJti5:WIwgMEuy+inDfp3/XoCw57XYBwK5

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\d476a1cab7a2bed5056fbabea05175330035cd7b4c791634def1b845bd7b3fa7.exe
    "C:\Users\Admin\AppData\Local\Temp\d476a1cab7a2bed5056fbabea05175330035cd7b4c791634def1b845bd7b3fa7.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:1576
    • 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:2824
    • 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:2200
    • 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:2684
      • 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:2660
        • 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:2584
    • 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:2620
  • 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:2748
    • 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:2820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • 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

    234045233751402288f14201db4507b8

    SHA1

    844a207671466c3e7403452c336eaea79fa8200d

    SHA256

    1f7aa78ed71c4ea71f8bd08252826c6bb909a3596ebfd586845e496479b6e542

    SHA512

    8d26cb7a1c08c1b60dac450afe6928ef76f6bc488bc650b84937e89b846876328c79b244542f08dcacf3b44c0e85790427a8b8f2adf0a3b69f550a4cdbc74604

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

    Filesize

    91KB

    MD5

    423eb994ed553294f8a6813619b8da87

    SHA1

    eca6a16ccd13adcfc27bc1041ddef97ec8081255

    SHA256

    050b4f2d5ae8eaecd414318dc8e222a56f169626da6ca8feb7edd78e8b1f0218

    SHA512

    fab0a9af8031c242c486de373df7277c8b0e39f7a0c9c2ac2e385dbd3ea67be16e91b128287634f76131e5264149ab1b452cd21df4c4895e8c4efc8d8cf99095

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

    Filesize

    1.2MB

    MD5

    e6e0e71819981df877c6f6b597193e9d

    SHA1

    46fe6165b4d732326aae221a735026fd0202a7a2

    SHA256

    c4ebc1f19798ea95b40d92dfcb3cecf7aad222cf414798ce924f77b9d5d5a76a

    SHA512

    5f7af00b143e84684fdd88e28d2d65453061625b7c6b17499699dd2a86bdd15e13e9a5a55513787ded87bc837d9de11da2c033ecbfcb7e6b11eb63afb62f53c7

  • \Windows\SysWOW64\259450114.txt

    Filesize

    49KB

    MD5

    f1055435e25ab760aa9cf38d262fa695

    SHA1

    e43d0974f1d9b06e5f7f97a59d4d2944fdec81c9

    SHA256

    f4c8bc7330fcc906d64ea489dcdc42fe5ca7d2d58a2534a4c0bfe9b8004641bb

    SHA512

    1b7350c8f74c65c4bdcaed9ce78bfd82bcee09787251aac461cc063a71c457ffddb5d16852ff2c74393cd159b20cd4e1876c5c9c1c57c26a06ae6e489d118e2d

  • memory/1576-69-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/1576-72-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/1576-85-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/1576-82-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/1576-79-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/1576-1-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/1576-59-0x0000000002AD0000-0x0000000002AE0000-memory.dmp

    Filesize

    64KB

  • memory/1576-58-0x0000000002AD0000-0x0000000002AE0000-memory.dmp

    Filesize

    64KB

  • memory/1576-76-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/1576-63-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/1576-64-0x0000000002AD0000-0x0000000002AE0000-memory.dmp

    Filesize

    64KB

  • memory/1576-65-0x0000000002AD0000-0x0000000002AE0000-memory.dmp

    Filesize

    64KB

  • memory/1576-0-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/2684-24-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2684-21-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2684-23-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2820-60-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2820-48-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2820-44-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB