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Analysis

  • max time kernel
    98s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2024, 19:50

General

  • Target

    ae30fb95449bbc5f5b2645eb4fb4cd549e535fac7938c2f37af12c1483095974.exe

  • Size

    1.2MB

  • MD5

    2741d879d5161c587d31eca5e7f85bd0

  • SHA1

    6e3c9332e4e588396db93e393cc15fa7bd5a4d29

  • SHA256

    ae30fb95449bbc5f5b2645eb4fb4cd549e535fac7938c2f37af12c1483095974

  • SHA512

    a38a7ffb0b7079c740cde2edca174e35b499514b252f8d346dcce3a19dd411a87f16214d2533dde1386905c972832ffb49ddbaee6b484bc1abbf264c9311d3b2

  • SSDEEP

    24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiA:WIwgMEuy+inDfp3/XoCw57XYBwKA

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.

  • 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
  • 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 5 IoCs
  • Loads dropped DLL 1 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 9 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).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 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 12 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ae30fb95449bbc5f5b2645eb4fb4cd549e535fac7938c2f37af12c1483095974.exe
    "C:\Users\Admin\AppData\Local\Temp\ae30fb95449bbc5f5b2645eb4fb4cd549e535fac7938c2f37af12c1483095974.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:812
    • 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:2240
    • 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:4884
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4884 -s 436
        3⤵
        • Program crash
        PID:1500
    • 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:952
      • 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:2664
        • 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:380
    • 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:4972
    • 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:4736
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4884 -ip 4884
    1⤵
      PID:900
    • 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:3508
      • 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:1620

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    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

      7d915084df510bc819cccd0c6b77cc58

      SHA1

      0085a51b6945f25020c3436d5b90570ecd4f8a0c

      SHA256

      85c7277aff6f7e2612c68c19b6cb3856d3bdc80ed0117ba904be1ba9f15a1bb9

      SHA512

      d4912cf44703bb88ea3a9cb058f232ea108694afa857eeb78ac7983e7f9cff386fe6cf971a1f96297bea042aa6fc800904dab191655d902234f302c266ee010a

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

      Filesize

      1.2MB

      MD5

      05d03798fd1ec9f7c799a8bcf7bd28a0

      SHA1

      108e6789ea8f4ae1d3e3f56744b6b0783204ec02

      SHA256

      9a2c941309af64b4e63bf216729145b241786d06bad3f77a33ed4aa9ac17df48

      SHA512

      665197c465fffca7d7ad52a4e1e9f268ae8156bc2799a4a0802907d9828816d2cf7e229b6eedfdcf87913c1a412d8c6a29fb27de3fca0e0d4e2637df4bae4214

    • C:\Windows\SysWOW64\240609203.txt

      Filesize

      49KB

      MD5

      434282ab7d7e789f3c7b8a118b19daf6

      SHA1

      6f6d603bafdb6a7a19f28e11ac3621cc739f1408

      SHA256

      664c2c040e3c1728b50e5d9c5da54e2093d0707a1702711d289a1e4d445c307b

      SHA512

      b5f37738174dc842ca48a3cafbb8f998117637e106d57e3d9a6c383b88cd0b18b26b34764c43859ee2c34df357f5d3ef3dcb0e51fac13051e46db2a933e969c9

    • memory/812-0-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/812-77-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/812-74-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/812-81-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/812-71-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/812-67-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/812-64-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/812-61-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/812-1-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/952-23-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/952-26-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/952-25-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/1620-49-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/1620-48-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/1620-44-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/3508-34-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/3508-33-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/3508-31-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB