Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-09-2024 04:24

General

  • Target

    f216d60851daf05c5f91b1b0e26339a9aafc672e8fff8ff4d81bc3eaaf492134.exe

  • Size

    1.2MB

  • MD5

    e2a04077ce792bad7a84bd3bcddf4ecc

  • SHA1

    7dbc74c2b2fa710a0989599fda172aa7fda52f2e

  • SHA256

    f216d60851daf05c5f91b1b0e26339a9aafc672e8fff8ff4d81bc3eaaf492134

  • SHA512

    3ce0c4a177e32532a743ccb57ba221008ded82e40f5b6f52b30f87d5b8b87b58fedf5dbe9c23a1b82a86b15825ebf6fd7a0599380c1e75cf1a615cc5c310c9a2

  • SSDEEP

    24576:9WnukjaDKSnYBzaJbjSoGF9LzpELx3N/nHwhHK28URjX+0:MnTjaD/9v6Vcx9HwNhu0

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.

  • 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 9 IoCs

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

  • 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 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\f216d60851daf05c5f91b1b0e26339a9aafc672e8fff8ff4d81bc3eaaf492134.exe
    "C:\Users\Admin\AppData\Local\Temp\f216d60851daf05c5f91b1b0e26339a9aafc672e8fff8ff4d81bc3eaaf492134.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:1672
    • 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:2752
    • 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:2872
    • 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:2864
      • 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:2932
        • 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:2172
    • 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:2848
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2992
    • 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:2928
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259424452.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2816
    • 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:2628
      • 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:2600

    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

      85dece34b6585db15feeb3c39d23f91d

      SHA1

      62135a22b7be02db5c1c3f4918e606b2c88f3702

      SHA256

      5d656974c1159d2976bb9867823ffab2a2ad4e44c07da8c0115d5561e3f1595d

      SHA512

      c5581e1fa1de66a6a35a8e2cb44ec351a60c9ae5f31e528a0b8699d8a79a439018d5499b628a63b67d029afaefd11cc5361c7ac0c459c73cfeb6705fcd7b08a2

    • \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

      bd2ea6ef6f56d4282bc3fc3c3a328c1b

      SHA1

      784020f5b2e44a1e5ff220fb5453fe890f7e0fb3

      SHA256

      c290223a3ee3be8062e42b37a986378f418d6ae89ef51b2f2d4d3d7cca7acf84

      SHA512

      b5af9add5c252409e8ee62e0387cdce1109f3045c6a40959ea433122e66935cb0e7e4d8e65ccd280a1a496ba5e08179bf04444fcbde6fbc6032d1b8883bca344

    • \Windows\SysWOW64\259424452.txt

      Filesize

      49KB

      MD5

      e9e3019f712d7e67213842b7a1ea93d3

      SHA1

      bd4106180f4006740e6831cf2f760bdd2229f8cd

      SHA256

      1658cb10cb8c2fdefaceedf7c90072c350b42881059cd6409f721bc2b6b7d79d

      SHA512

      2e33055baac6cdebe4bce0b224321226f8f082da186d7ebc509ddbe4f71a8d010105ebee354f306311f862ad6a07035399584cd8c6aab77d602532d19188a97e

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

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/1672-77-0x00000000021D0000-0x00000000021E0000-memory.dmp

      Filesize

      64KB

    • memory/1672-76-0x00000000021D0000-0x00000000021E0000-memory.dmp

      Filesize

      64KB

    • memory/1672-1-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

    • memory/1672-87-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

    • memory/1672-83-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

    • memory/1672-80-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

    • memory/1672-0-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

    • memory/1672-96-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

    • memory/1672-64-0x00000000021D0000-0x00000000021E0000-memory.dmp

      Filesize

      64KB

    • memory/1672-65-0x00000000021D0000-0x00000000021E0000-memory.dmp

      Filesize

      64KB

    • memory/1672-90-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

    • memory/1672-93-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

    • memory/1672-74-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

    • memory/2600-66-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/2600-48-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/2600-53-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/2600-50-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/2600-47-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/2600-45-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/2864-21-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/2864-24-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/2864-23-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB