Resubmissions

09-01-2025 08:44

250109-knjqzsxlgl 8

09-01-2025 08:37

250109-kjhywsxkgn 8

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-01-2025 08:37

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 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⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2304
    • C:\Windows\SYSTEM32\cmd.exe
      "cmd" /c ipconfig /all
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5088
      • C:\Windows\system32\ipconfig.exe
        ipconfig /all
        3⤵
        • Gathers network information
        PID:412
    • 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:4796
      • 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:1648
    • C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.14.exe
      "C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.14.exe" --oldBootstrapper "C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe" --isUpdate true
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1232

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.14.exe

    Filesize

    2.9MB

    MD5

    ec429587b94b0288039bf1492e3350af

    SHA1

    acfd0ea4f9d321a898fed79e2e8e41e04620625b

    SHA256

    c372c94338eaaa7ab2eb7c5b6d1c9fc5658ec62da7f5fcd04e2d4c72d900ea9f

    SHA512

    79090e46a9f6e2cc4728aa4cb5e48eab80d18151ae3257cbede4d685b80d40b56e2ef57a4ab37ddf90ccd67e5cd54a728f559fcf9fc32c6971bb88468c1ec88d

  • memory/1232-20-0x000002B73E9E0000-0x000002B73E9E8000-memory.dmp

    Filesize

    32KB

  • memory/1232-26-0x000002B73EAE0000-0x000002B73EAE8000-memory.dmp

    Filesize

    32KB

  • memory/1232-22-0x000002B73EA30000-0x000002B73EA3E000-memory.dmp

    Filesize

    56KB

  • memory/1232-23-0x000002B73F130000-0x000002B73F230000-memory.dmp

    Filesize

    1024KB

  • memory/1232-21-0x000002B73EA60000-0x000002B73EA98000-memory.dmp

    Filesize

    224KB

  • memory/1232-18-0x000002B720470000-0x000002B720752000-memory.dmp

    Filesize

    2.9MB

  • memory/1232-19-0x000002B722360000-0x000002B722370000-memory.dmp

    Filesize

    64KB

  • memory/1232-29-0x000002B73EA50000-0x000002B73EA5A000-memory.dmp

    Filesize

    40KB

  • memory/1232-30-0x000002B73F260000-0x000002B73F268000-memory.dmp

    Filesize

    32KB

  • memory/1232-28-0x000002B73EAD0000-0x000002B73EADA000-memory.dmp

    Filesize

    40KB

  • memory/1232-27-0x000002B73F230000-0x000002B73F246000-memory.dmp

    Filesize

    88KB

  • memory/1232-24-0x000002B73EA40000-0x000002B73EA4A000-memory.dmp

    Filesize

    40KB

  • memory/1232-25-0x000002B73EAA0000-0x000002B73EAC6000-memory.dmp

    Filesize

    152KB

  • memory/2304-2-0x00007FF9F5A70000-0x00007FF9F6531000-memory.dmp

    Filesize

    10.8MB

  • memory/2304-1-0x0000021508620000-0x00000215086EE000-memory.dmp

    Filesize

    824KB

  • memory/2304-4-0x0000021524B10000-0x0000021524B32000-memory.dmp

    Filesize

    136KB

  • memory/2304-0-0x00007FF9F5A73000-0x00007FF9F5A75000-memory.dmp

    Filesize

    8KB

  • memory/2304-17-0x00007FF9F5A70000-0x00007FF9F6531000-memory.dmp

    Filesize

    10.8MB