Analysis

  • max time kernel
    141s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-01-2024 10:50

General

  • Target

    73096690ffc9dad9df868fa94030607f4361bf9cd4e6a0f7e940d8696d758f4c.exe

  • Size

    108KB

  • MD5

    8684aace2cdf6cdda84e2ac34d41b1e4

  • SHA1

    d2d0c57dcb9650c1b928c6f4c920dba44b9f5d64

  • SHA256

    74d6079437e6a67a8afe00f07b64286e16b52d1523d6a8684a2fa74e9e9e7e7d

  • SHA512

    57f0506b1c13b7d2c3d7beeded0c71f2728af0cb136a6858fa5a6ec0b600122eaf25cd0da675ebb138df97df13fc69adc6f8fa68fabad08bf46bd961a0605c93

  • SSDEEP

    1536:lqEA70HzLJksPEOajozLElnqiO2fdgPb:lXTLJkQ7zAV3uPb

Malware Config

Extracted

Family

gh0strat

C2

sky.hobuff.info

Signatures

  • Gh0st RAT payload 1 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • RunningRat

    RunningRat is a remote access trojan first seen in 2018.

  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Creates a Windows Service
  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\73096690ffc9dad9df868fa94030607f4361bf9cd4e6a0f7e940d8696d758f4c.exe
    "C:\Users\Admin\AppData\Local\Temp\73096690ffc9dad9df868fa94030607f4361bf9cd4e6a0f7e940d8696d758f4c.exe"
    1⤵
    • Sets DLL path for service in the registry
    • Checks computer location settings
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4868
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 1 && del /f/q "C:\Users\Admin\AppData\Local\Temp\73096690ffc9dad9df868fa94030607f4361bf9cd4e6a0f7e940d8696d758f4c.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2476
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 1
        3⤵
        • Runs ping.exe
        PID:2808
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "serivecs"
    1⤵
      PID:4828
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "serivecs"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1372
      • C:\Windows\SysWOW64\serivecs.exe
        C:\Windows\system32\serivecs.exe "c:\windows\system32\240611468.dll",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:4268

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\240611468.dll

      Filesize

      37KB

      MD5

      67471f9e74ce07e6de4be37cd6fadf51

      SHA1

      57cf550e19df2e8c04a71e712be4dcf58a17faef

      SHA256

      7faf403b9748cdc9b8f8aba98a64567fcd9c5ad490bcc31a0b6cce978003e754

      SHA512

      b182b3bd77f5c9a867c84d08b1fb36a4fc715b7dc6970651ca2640fb6147cf0a49fb526d51d56ad31279b2d9ae363a29f0062ba1f8c363279f9b45b2cce569b2

    • C:\Windows\SysWOW64\serivecs.exe

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641