Analysis

  • max time kernel
    65s
  • max time network
    65s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-01-2025 16:24

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 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
  • Unexpected DNS network traffic destination 16 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • 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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 44 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⤵
    • Downloads MZ/PE file
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4024
    • C:\Windows\SYSTEM32\cmd.exe
      "cmd" /c ipconfig /all
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2788
      • C:\Windows\system32\ipconfig.exe
        ipconfig /all
        3⤵
        • Gathers network information
        PID:3440
    • 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:3452
      • 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:2660
    • C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.18.exe
      "C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.18.exe" --oldBootstrapper "C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe" --isUpdate true
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1380

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.18.exe

    Filesize

    2.9MB

    MD5

    4d207914ab7b161d4a8e6bf45cd27de4

    SHA1

    accd340b49754a770fd8debc10a379fe587336f6

    SHA256

    3c4dcf944e748c91df983422349e3a10f8271d3ef77ceee73d071b3d5e764f1b

    SHA512

    7df470c7c3b1f695289202363826d86af5e878138aa7c50a5d678df1ee95c0e9e2e87dc913be007e212519b05ab56146766768fbe00c583f5b57b905fbbf3f19

  • memory/1380-22-0x0000028E7F6F0000-0x0000028E7F728000-memory.dmp

    Filesize

    224KB

  • memory/1380-26-0x0000028E051E0000-0x0000028E05206000-memory.dmp

    Filesize

    152KB

  • memory/1380-21-0x0000028E66F70000-0x0000028E66F78000-memory.dmp

    Filesize

    32KB

  • memory/1380-30-0x0000028E051D0000-0x0000028E051DA000-memory.dmp

    Filesize

    40KB

  • memory/1380-29-0x0000028E05210000-0x0000028E0521A000-memory.dmp

    Filesize

    40KB

  • memory/1380-28-0x0000028E05230000-0x0000028E05246000-memory.dmp

    Filesize

    88KB

  • memory/1380-19-0x0000028E65010000-0x0000028E652F2000-memory.dmp

    Filesize

    2.9MB

  • memory/1380-20-0x0000028E01230000-0x0000028E01240000-memory.dmp

    Filesize

    64KB

  • memory/1380-27-0x0000028E05220000-0x0000028E05228000-memory.dmp

    Filesize

    32KB

  • memory/1380-31-0x0000028E66FA0000-0x0000028E66FA8000-memory.dmp

    Filesize

    32KB

  • memory/1380-24-0x0000028E060B0000-0x0000028E061B0000-memory.dmp

    Filesize

    1024KB

  • memory/1380-23-0x0000028E66F80000-0x0000028E66F8E000-memory.dmp

    Filesize

    56KB

  • memory/1380-25-0x0000028E051C0000-0x0000028E051CA000-memory.dmp

    Filesize

    40KB

  • memory/4024-2-0x00007FFD64AA0000-0x00007FFD65561000-memory.dmp

    Filesize

    10.8MB

  • memory/4024-4-0x00007FFD64AA3000-0x00007FFD64AA5000-memory.dmp

    Filesize

    8KB

  • memory/4024-18-0x00007FFD64AA0000-0x00007FFD65561000-memory.dmp

    Filesize

    10.8MB

  • memory/4024-1-0x00000234C85C0000-0x00000234C868E000-memory.dmp

    Filesize

    824KB

  • memory/4024-5-0x00000234E4AE0000-0x00000234E4B02000-memory.dmp

    Filesize

    136KB

  • memory/4024-0-0x00007FFD64AA3000-0x00007FFD64AA5000-memory.dmp

    Filesize

    8KB