Analysis

  • max time kernel
    149s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/10/2024, 23:50

General

  • Target

    8d27131237ee0efb6dffef7f123b27c53d7222181ee7f77a21c87c733f24416b.exe

  • Size

    13KB

  • MD5

    1ff4e9eb071c0da344a539da517bf364

  • SHA1

    908ac71124743ad9b1244d8b84139ffb3d3726eb

  • SHA256

    8d27131237ee0efb6dffef7f123b27c53d7222181ee7f77a21c87c733f24416b

  • SHA512

    3f1e562ec2022714f45ab58953b5090914c0f2e3677e254142fe723bc72fb10277e24af71be68bd4621f5b0cb417ea2b425038a75d30b2222e630e06706f076a

  • SSDEEP

    192:pjUWFh4fvYGIQnsA6psQ56uFaNJhLkwcud2DH9VwGfctQEAC5Es9Gsj5Efx8X5d8:5KE7pD/aNJawcudoD7U55Es9GsGyU

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • UPX packed file 4 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).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8d27131237ee0efb6dffef7f123b27c53d7222181ee7f77a21c87c733f24416b.exe
    "C:\Users\Admin\AppData\Local\Temp\8d27131237ee0efb6dffef7f123b27c53d7222181ee7f77a21c87c733f24416b.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:452
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\WKXIG.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2092
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Ineter Mc" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\trys.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:4644
    • C:\Users\Admin\AppData\Roaming\trys.exe
      "C:\Users\Admin\AppData\Roaming\trys.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\WKXIG.txt

    Filesize

    135B

    MD5

    6dbb2090ff90500da05a027765cde190

    SHA1

    425b833d9d1df8d6df6e5a59f738058808271949

    SHA256

    71ca0761f7187f2164f62b23d5d9d2dcfd28d9ab9a8dfc14796c3ac06db03881

    SHA512

    7e4679e04bd5a69c026949a0d2760a630bc02249a04f3bd224dee41d1bf10f0a29e45812a67c583327a63e5401f0ff2aa9a3f4df8233b150943052c97e861ab3

  • C:\Users\Admin\AppData\Roaming\trys.exe

    Filesize

    13KB

    MD5

    a987056556876a871bcc2c2e2ce5ebbe

    SHA1

    26456cb23c8a4f060130ab61b86b39b18c20a233

    SHA256

    3605f66ef66a3f8a1c64510ab2de44fcaa39e77a641bed757ba6771b0e6b93c0

    SHA512

    e2369798a607cde7afe4258700947200f0b445156171a56c20578bd3f97a344a08952823bbbeed5f8e4907f0c970dd71d7ee78faafe5ce79b8dd8f4a0ad85ec2

  • memory/452-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/452-26-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4932-28-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB