Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    30-08-2024 12:34

General

  • Target

    8b11d2b47be800ed7bb6e7b259646460ba9bc4564bf79acfd36274c58706f0ca.exe

  • Size

    1.2MB

  • MD5

    a663fa02456a18ec8089836d2e6be0ab

  • SHA1

    1b4f5e3ec2127ab2e189540676a3f9ffa68a350c

  • SHA256

    8b11d2b47be800ed7bb6e7b259646460ba9bc4564bf79acfd36274c58706f0ca

  • SHA512

    c7a714a77ebd39c2c8422028f0647f795557180ce55c0d1978785f4d02fed9083de3f66b25f1b8744246ae28c0c143104ce5f2c02396386a0214253d62b870df

  • SSDEEP

    24576:9WnukjaDKSnYBzaJbjSoGF9LzpELx3N/nHwhHK28URjX+e:MnTjaD/9v6Vcx9HwNhue

Malware Config

Signatures

  • Detect PurpleFox Rootkit 5 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 7 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 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Drops startup file 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 10 IoCs
  • UPX packed file 7 IoCs

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

  • VMProtect packed file 11 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 10 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 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b11d2b47be800ed7bb6e7b259646460ba9bc4564bf79acfd36274c58706f0ca.exe
    "C:\Users\Admin\AppData\Local\Temp\8b11d2b47be800ed7bb6e7b259646460ba9bc4564bf79acfd36274c58706f0ca.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:2300
    • 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:1252
    • 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:552
    • 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:2180
      • 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:2824
        • 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:2732
    • 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:2616
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2708
    • 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:2772
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259565633.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1836
    • 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:2572
      • 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:2896

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • 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

      d1b5073810baa4dec779ee7e8a412366

      SHA1

      5d3a36f84f5f19339e58c6aeebcf10b2e4efeb1f

      SHA256

      cda0129c3ef4a7f2ff67ff26d407ef1c323464d1d3c81378d702a3cfea30c113

      SHA512

      5bbaa07c1e8cd0dae69284e4b504badc2190b14f058f7ed92429bf6337d8ef305a3e7c9d8a334b10b0d46541000d1396a11c35d62f58000025f5771c1c4065ee

    • \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

      43d1cbabe8e1e7444b93d259e1165f81

      SHA1

      8b928886708ff6b3f1d9251246aafb502f3571c8

      SHA256

      739a69a2e5525d47ef7362529a54a0cbcf54e0ad7215f647001ea7662a3b5651

      SHA512

      133a8b0d2929c345b38d5ac75da3e11e4b218529d1efa818066850d0d0591c5193ef0455af380a1cac3ba97683ab809e587b2f067f0a69e715b4e621820a074c

    • \Windows\SysWOW64\259565633.txt

      Filesize

      49KB

      MD5

      10c1ce4f36d119232fc8b56c551069d4

      SHA1

      a008d9645147ba8368e97b4496c99a9d01b91dd4

      SHA256

      9da9ac7f1bcceca88f8792fcdce2ed915e905561a34d42bb287cd5f2d2fce962

      SHA512

      3c043702ea412c1405208307a7dd736e33b1f8aec3d2a67e7644fb09e49cba9bea5295ccc64e82d8c6ef65175aaa225a0f01d29be2f633a299645e5f266e3d98

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

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2180-21-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/2180-24-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/2180-23-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/2300-65-0x00000000027B0000-0x00000000027C0000-memory.dmp

      Filesize

      64KB

    • memory/2300-90-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

    • memory/2300-1-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

    • memory/2300-99-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

    • memory/2300-96-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

    • memory/2300-93-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

    • memory/2300-74-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

    • memory/2300-77-0x00000000027B0000-0x00000000027C0000-memory.dmp

      Filesize

      64KB

    • memory/2300-76-0x00000000027B0000-0x00000000027C0000-memory.dmp

      Filesize

      64KB

    • memory/2300-80-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

    • memory/2300-83-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

    • memory/2300-87-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

    • memory/2300-0-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

    • memory/2300-66-0x00000000027B0000-0x00000000027C0000-memory.dmp

      Filesize

      64KB

    • memory/2896-49-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/2896-53-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/2896-57-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB