Analysis

  • max time kernel
    150s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    29/08/2023, 19:39

General

  • Target

    069303284797fc51fbfc25356e528442a323f009ee858127ce4d2c2f1236b441.exe

  • Size

    650KB

  • MD5

    11d53aeb002e7e97ec2598bebd30621c

  • SHA1

    eee1a497524f9504a6f79f1e0bcd561bf16651a9

  • SHA256

    069303284797fc51fbfc25356e528442a323f009ee858127ce4d2c2f1236b441

  • SHA512

    f49d1cd55489b1d296949116a704e8ad8d73345669db6ae9a3a3c7a5f49e0a4248d903c4e9a519a3ee7c6d38ac85bf87b0c59beb08ced05975acb0be0cc3f6bc

  • SSDEEP

    12288:mutTZV/qb9ylN28aE2GThX8xbNpaF/4esnMzIiTe:BNZEbCfCGTqx+F/IViTe

Malware Config

Signatures

  • Detect PurpleFox Rootkit 8 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 10 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
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 11 IoCs

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

  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 2 IoCs
  • Modifies data under HKEY_USERS 6 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 33 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\069303284797fc51fbfc25356e528442a323f009ee858127ce4d2c2f1236b441.exe
    "C:\Users\Admin\AppData\Local\Temp\069303284797fc51fbfc25356e528442a323f009ee858127ce4d2c2f1236b441.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1964
    • 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\069303~1.EXE > nul
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2592
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 2 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2648
  • C:\Windows\SysWOW64\Jbcst.exe
    C:\Windows\SysWOW64\Jbcst.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2560
    • C:\Windows\SysWOW64\Jbcst.exe
      C:\Windows\SysWOW64\Jbcst.exe -acsi
      2⤵
      • Drops file in Drivers directory
      • Sets service image path in registry
      • Executes dropped EXE
      • Enumerates connected drives
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: LoadsDriver
      • Suspicious use of AdjustPrivilegeToken
      PID:2644

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\SysWOW64\Jbcst.exe

          Filesize

          650KB

          MD5

          11d53aeb002e7e97ec2598bebd30621c

          SHA1

          eee1a497524f9504a6f79f1e0bcd561bf16651a9

          SHA256

          069303284797fc51fbfc25356e528442a323f009ee858127ce4d2c2f1236b441

          SHA512

          f49d1cd55489b1d296949116a704e8ad8d73345669db6ae9a3a3c7a5f49e0a4248d903c4e9a519a3ee7c6d38ac85bf87b0c59beb08ced05975acb0be0cc3f6bc

        • C:\Windows\SysWOW64\Jbcst.exe

          Filesize

          650KB

          MD5

          11d53aeb002e7e97ec2598bebd30621c

          SHA1

          eee1a497524f9504a6f79f1e0bcd561bf16651a9

          SHA256

          069303284797fc51fbfc25356e528442a323f009ee858127ce4d2c2f1236b441

          SHA512

          f49d1cd55489b1d296949116a704e8ad8d73345669db6ae9a3a3c7a5f49e0a4248d903c4e9a519a3ee7c6d38ac85bf87b0c59beb08ced05975acb0be0cc3f6bc

        • C:\Windows\SysWOW64\Jbcst.exe

          Filesize

          650KB

          MD5

          11d53aeb002e7e97ec2598bebd30621c

          SHA1

          eee1a497524f9504a6f79f1e0bcd561bf16651a9

          SHA256

          069303284797fc51fbfc25356e528442a323f009ee858127ce4d2c2f1236b441

          SHA512

          f49d1cd55489b1d296949116a704e8ad8d73345669db6ae9a3a3c7a5f49e0a4248d903c4e9a519a3ee7c6d38ac85bf87b0c59beb08ced05975acb0be0cc3f6bc

        • \Windows\SysWOW64\Jbcst.exe

          Filesize

          650KB

          MD5

          11d53aeb002e7e97ec2598bebd30621c

          SHA1

          eee1a497524f9504a6f79f1e0bcd561bf16651a9

          SHA256

          069303284797fc51fbfc25356e528442a323f009ee858127ce4d2c2f1236b441

          SHA512

          f49d1cd55489b1d296949116a704e8ad8d73345669db6ae9a3a3c7a5f49e0a4248d903c4e9a519a3ee7c6d38ac85bf87b0c59beb08ced05975acb0be0cc3f6bc

        • memory/1964-4-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/1964-0-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/1964-3-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/1964-2-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/1964-17-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/2560-11-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/2560-18-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/2644-22-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/2644-24-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/2644-27-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/2644-29-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB