Analysis

  • max time kernel
    900s
  • max time network
    889s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-02-2025 22:36

General

  • Target

    brootForce.exe

  • Size

    167KB

  • MD5

    3964190fb6503039acf4c590f1e22b6a

  • SHA1

    4201a8f44d2c449e47704ea37351589e51ee1e29

  • SHA256

    7c1978631c42844ab98a3580b131b5b279087b9ed2a955c0ff8c22f557ee900e

  • SHA512

    b1fffbb9cd0609440648542e73ed76399eef8e9c39a79bea890ca6c7d1026ebdb30fc5ce9786bff274fe659a7a482a60b514a38fc56a42165a5b8c6e0ed7664c

  • SSDEEP

    3072:e2qK4C4BoN36t4QviFC0MBn3fWl9zWaF9bPYvM9UJ8T2SXZyrgoBJtbN/3MCK2kV:eKP9zgvMx/JdSI5eb

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 3 IoCs
  • Executes dropped EXE 16 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 22 IoCs

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

  • Kills process with taskkill 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\brootForce.exe
    "C:\Users\Admin\AppData\Local\Temp\brootForce.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3280
    • C:\Windows\svchost.exe
      "C:\Windows\svchost.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3652
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im discord.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:1356
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1316
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\Windows\svchost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3064
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 5 & Del "C:\Users\Admin\AppData\Local\Temp\brootForce.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4532
      • C:\Windows\SysWOW64\choice.exe
        choice /C Y /N /D Y /T 5
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4884
  • C:\Windows\svchost.exe
    C:\Windows\svchost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1812
  • C:\Windows\svchost.exe
    C:\Windows\svchost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4064
  • C:\Windows\svchost.exe
    C:\Windows\svchost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2616
  • C:\Windows\svchost.exe
    C:\Windows\svchost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4916
  • C:\Windows\svchost.exe
    C:\Windows\svchost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3700
  • C:\Windows\svchost.exe
    C:\Windows\svchost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:664
  • C:\Windows\svchost.exe
    C:\Windows\svchost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1812
  • C:\Windows\svchost.exe
    C:\Windows\svchost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4948
  • C:\Windows\svchost.exe
    C:\Windows\svchost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3680
  • C:\Windows\svchost.exe
    C:\Windows\svchost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2084
  • C:\Windows\svchost.exe
    C:\Windows\svchost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4308
  • C:\Windows\svchost.exe
    C:\Windows\svchost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4520
  • C:\Windows\svchost.exe
    C:\Windows\svchost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3988
  • C:\Windows\svchost.exe
    C:\Windows\svchost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1076
  • C:\Windows\svchost.exe
    C:\Windows\svchost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1964

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\svchost.exe.log

    Filesize

    319B

    MD5

    8feef304777dfe95294f842d6d9a3852

    SHA1

    9f34db8c6647b7edfe8f4618eab53fc6a6161ea7

    SHA256

    829510e85c0787bb7a291b85b9f38d1e7c122cf07de3829c33e1fba4d06bc97f

    SHA512

    f381d170eeea45b115ad6bc6d27b6f55bfbae00d7694cc8efd18aaa7d17f4d47f1f21de856315c38754ec1181d137923a6d74cd0a0c2d1ec538c80ea8ff9d20b

  • C:\Windows\svchost.exe

    Filesize

    167KB

    MD5

    3964190fb6503039acf4c590f1e22b6a

    SHA1

    4201a8f44d2c449e47704ea37351589e51ee1e29

    SHA256

    7c1978631c42844ab98a3580b131b5b279087b9ed2a955c0ff8c22f557ee900e

    SHA512

    b1fffbb9cd0609440648542e73ed76399eef8e9c39a79bea890ca6c7d1026ebdb30fc5ce9786bff274fe659a7a482a60b514a38fc56a42165a5b8c6e0ed7664c

  • memory/3280-0-0x0000000074A02000-0x0000000074A03000-memory.dmp

    Filesize

    4KB

  • memory/3280-1-0x0000000074A00000-0x0000000074FB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3280-2-0x0000000074A00000-0x0000000074FB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3280-12-0x0000000074A02000-0x0000000074A03000-memory.dmp

    Filesize

    4KB

  • memory/3280-16-0x0000000074A00000-0x0000000074FB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3280-15-0x0000000074A00000-0x0000000074FB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3652-11-0x0000000074A00000-0x0000000074FB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3652-14-0x0000000074A00000-0x0000000074FB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3652-20-0x0000000074A00000-0x0000000074FB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3652-21-0x0000000074A00000-0x0000000074FB1000-memory.dmp

    Filesize

    5.7MB