Analysis

  • max time kernel
    138s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-10-2023 15:01

General

  • Target

    Crack_License_Key_Full.exe

  • Size

    734.9MB

  • MD5

    2a363a8b0813b483306caea96f498622

  • SHA1

    42a2165360ec44cb24a7e7b44925e31e1e53f118

  • SHA256

    f2e0109ae08de943890df32d768ec59ae0bc8ac7953ae87d61567b5ff2edce86

  • SHA512

    52c2244824773e34816a941a069c81e49f7c217ff6d9f3af4e13a6a4222ab803aa02f3b1857e0696e288dce0f9c644dc9c745c20267d3e25efbd3e179a59b760

  • SSDEEP

    98304:PbMJjxZQmPmceIv5pwv9R5f8wvj20cDOyu6suEeSlLER3kGv4XJy7WW8OWy3HvJp:+YIv5m/5fSxsuE6RqAdvz6DndfAvt

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
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Crack_License_Key_Full.exe
    "C:\Users\Admin\AppData\Local\Temp\Crack_License_Key_Full.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2676
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c schtasks /create /tn \Service\Data /tr """"C:\Users\Admin\AppData\Roaming\ServiceData\Tomabuce.exe""" """C:\Users\Admin\AppData\Roaming\ServiceData\Tomabuce.dat"""" /st 00:01 /du 9800:59 /sc once /ri 1 /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5020
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn \Service\Data /tr """"C:\Users\Admin\AppData\Roaming\ServiceData\Tomabuce.exe""" """C:\Users\Admin\AppData\Roaming\ServiceData\Tomabuce.dat"""" /st 00:01 /du 9800:59 /sc once /ri 1 /f
        3⤵
        • Creates scheduled task(s)
        PID:5080
  • C:\Users\Admin\AppData\Roaming\ServiceData\Tomabuce.exe
    C:\Users\Admin\AppData\Roaming\ServiceData\Tomabuce.exe "C:\Users\Admin\AppData\Roaming\ServiceData\Tomabuce.dat"
    1⤵
    • Executes dropped EXE
    PID:2496

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\ServiceData\Tomabuce.dat

    Filesize

    61KB

    MD5

    ff26eadebf9c2724747f1c4059a6add0

    SHA1

    f9819a938000e602538ab7ccd4ab8c40705e9f69

    SHA256

    58a93911f73ba5eaf8eb6db9e47d0b144628776145d9c9a071c0d2636b28fc0d

    SHA512

    82553bbcb4dbad22f7d353b8ed2d97f0f8a8ddfbc0454540dede3ebe607b85bce2bc9aa0de8aafca6a24614611bfb24e2eedc680b24c7ac35b8814e2b6ed7c29

  • C:\Users\Admin\AppData\Roaming\ServiceData\Tomabuce.exe

    Filesize

    925KB

    MD5

    0adb9b817f1df7807576c2d7068dd931

    SHA1

    4a1b94a9a5113106f40cd8ea724703734d15f118

    SHA256

    98e4f904f7de1644e519d09371b8afcbbf40ff3bd56d76ce4df48479a4ab884b

    SHA512

    883aa88f2dba4214bb534fbdaf69712127357a3d0f5666667525db3c1fa351598f067068dfc9e7c7a45fed4248d7dca729ba4f75764341e47048429f9ca8846a

  • memory/2676-1-0x0000000000020000-0x0000000000021000-memory.dmp

    Filesize

    4KB

  • memory/2676-2-0x0000000000030000-0x0000000000031000-memory.dmp

    Filesize

    4KB

  • memory/2676-3-0x0000000000400000-0x0000000001400000-memory.dmp

    Filesize

    16.0MB