Analysis

  • max time kernel
    448s
  • max time network
    447s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20250113-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250113-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    20-01-2025 07:26

General

  • Target

    BootstrapperV1.23.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
  • Unexpected DNS network traffic destination 14 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 44 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BootstrapperV1.23.exe
    "C:\Users\Admin\AppData\Local\Temp\BootstrapperV1.23.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3420
    • C:\Windows\SYSTEM32\cmd.exe
      "cmd" /c ipconfig /all
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1136
      • C:\Windows\system32\ipconfig.exe
        ipconfig /all
        3⤵
        • Gathers network information
        PID:4188
    • 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:3780
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic nicconfig where (IPEnabled=TRUE) call SetDNSServerSearchOrder ("1.1.1.1", "1.0.0.1")
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2468
    • 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\BootstrapperV1.23.exe" --isUpdate true
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4436

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/3420-0-0x00007FFD7E3B3000-0x00007FFD7E3B5000-memory.dmp

    Filesize

    8KB

  • memory/3420-1-0x000001E08B6E0000-0x000001E08B7AE000-memory.dmp

    Filesize

    824KB

  • memory/3420-2-0x00007FFD7E3B0000-0x00007FFD7EE72000-memory.dmp

    Filesize

    10.8MB

  • memory/3420-4-0x00007FFD7E3B3000-0x00007FFD7E3B5000-memory.dmp

    Filesize

    8KB

  • memory/3420-5-0x000001E0A7300000-0x000001E0A7322000-memory.dmp

    Filesize

    136KB

  • memory/3420-21-0x00007FFD7E3B0000-0x00007FFD7EE72000-memory.dmp

    Filesize

    10.8MB

  • memory/4436-25-0x000001C7583C0000-0x000001C7583F8000-memory.dmp

    Filesize

    224KB

  • memory/4436-23-0x000001C738070000-0x000001C738080000-memory.dmp

    Filesize

    64KB

  • memory/4436-24-0x000001C758340000-0x000001C758348000-memory.dmp

    Filesize

    32KB

  • memory/4436-22-0x000001C737960000-0x000001C737C42000-memory.dmp

    Filesize

    2.9MB

  • memory/4436-26-0x000001C758390000-0x000001C75839E000-memory.dmp

    Filesize

    56KB

  • memory/4436-27-0x000001C759250000-0x000001C759350000-memory.dmp

    Filesize

    1024KB

  • memory/4436-28-0x000001C7583A0000-0x000001C7583AA000-memory.dmp

    Filesize

    40KB

  • memory/4436-29-0x000001C758400000-0x000001C758426000-memory.dmp

    Filesize

    152KB

  • memory/4436-30-0x000001C758440000-0x000001C758448000-memory.dmp

    Filesize

    32KB

  • memory/4436-31-0x000001C759350000-0x000001C759366000-memory.dmp

    Filesize

    88KB

  • memory/4436-32-0x000001C758430000-0x000001C75843A000-memory.dmp

    Filesize

    40KB

  • memory/4436-33-0x000001C7583B0000-0x000001C7583BA000-memory.dmp

    Filesize

    40KB

  • memory/4436-34-0x000001C759380000-0x000001C759388000-memory.dmp

    Filesize

    32KB