Analysis

  • max time kernel
    94s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-12-2024 09:58

General

  • Target

    Bootstrapper.exe

  • Size

    800KB

  • MD5

    02c70d9d6696950c198db93b7f6a835e

  • SHA1

    30231a467a49cc37768eea0f55f4bea1cbfb48e2

  • SHA256

    8f2e28588f2303bd8d7a9b0c3ff6a9cb16fa93f8ddc9c5e0666a8c12d6880ee3

  • SHA512

    431d9b9918553bff4f4a5bc2a5e7b7015f8ad0e2d390bb4d5264d08983372424156524ef5587b24b67d1226856fc630aaca08edc8113097e0094501b4f08efeb

  • SSDEEP

    12288:qhd8cjaLXVh84wEFkW1mocaBj6WtiRPpptHxQ0z:2ycjar84w5W4ocaBj6y2tHDz

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe
    "C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4904
    • C:\Windows\SYSTEM32\cmd.exe
      "cmd" /c ipconfig /all
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2604
      • C:\Windows\system32\ipconfig.exe
        ipconfig /all
        3⤵
        • Gathers network information
        PID:2360
    • C:\Windows\SYSTEM32\cmd.exe
      "cmd" /c wmic nicconfig where (IPEnabled=TRUE) call SetDNSServerSearchOrder ("1.1.1.1", "1.0.0.1")
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3672
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic nicconfig where (IPEnabled=TRUE) call SetDNSServerSearchOrder ("1.1.1.1", "1.0.0.1")
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:5024
    • C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.05.exe
      "C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.05.exe" --oldBootstrapper "C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe" --isUpdate true
      2⤵
      • Executes dropped EXE
      PID:4968

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.05.exe

    Filesize

    2.8MB

    MD5

    241706a4b2aa26c47eb1dbadf12eba14

    SHA1

    e46f254c6c29bf9371f04b7a27fb1569a7dbba23

    SHA256

    11b86e51f1f67bc7d59a881aa9cbbb5519c118ea74291476ff61fb9ddbff454e

    SHA512

    2e876573e2f44491bfe0cc915910f66d030c5e013f36d72e460603480f292bf6f4c5625cebeba47a9ea4fc564e776c656f74c5d7032ea0340de3840db8fe49ea

  • memory/4904-18-0x00007FFA4CE50000-0x00007FFA4D911000-memory.dmp

    Filesize

    10.8MB

  • memory/4904-1-0x000001E2272B0000-0x000001E22737E000-memory.dmp

    Filesize

    824KB

  • memory/4904-2-0x00007FFA4CE50000-0x00007FFA4D911000-memory.dmp

    Filesize

    10.8MB

  • memory/4904-4-0x000001E229030000-0x000001E229052000-memory.dmp

    Filesize

    136KB

  • memory/4904-0-0x00007FFA4CE53000-0x00007FFA4CE55000-memory.dmp

    Filesize

    8KB

  • memory/4968-20-0x000002A4CE3D0000-0x000002A4CE3D8000-memory.dmp

    Filesize

    32KB

  • memory/4968-19-0x000002A4B0FC0000-0x000002A4B0FD0000-memory.dmp

    Filesize

    64KB

  • memory/4968-17-0x000002A4AEFE0000-0x000002A4AF2BA000-memory.dmp

    Filesize

    2.9MB

  • memory/4968-21-0x000002A4CE450000-0x000002A4CE488000-memory.dmp

    Filesize

    224KB

  • memory/4968-22-0x000002A4CE420000-0x000002A4CE42E000-memory.dmp

    Filesize

    56KB

  • memory/4968-23-0x000002A4CF6E0000-0x000002A4CF7E0000-memory.dmp

    Filesize

    1024KB

  • memory/4968-25-0x000002A4CE490000-0x000002A4CE4B8000-memory.dmp

    Filesize

    160KB

  • memory/4968-24-0x000002A4CE430000-0x000002A4CE43A000-memory.dmp

    Filesize

    40KB

  • memory/4968-27-0x000002A4CF7E0000-0x000002A4CF7F6000-memory.dmp

    Filesize

    88KB

  • memory/4968-26-0x000002A4CE4D0000-0x000002A4CE4D8000-memory.dmp

    Filesize

    32KB

  • memory/4968-28-0x000002A4CE4C0000-0x000002A4CE4CA000-memory.dmp

    Filesize

    40KB

  • memory/4968-29-0x000002A4CE440000-0x000002A4CE44A000-memory.dmp

    Filesize

    40KB

  • memory/4968-30-0x000002A4CF810000-0x000002A4CF818000-memory.dmp

    Filesize

    32KB