Resubmissions

09/01/2025, 08:44

250109-knjqzsxlgl 8

09/01/2025, 08:37

250109-kjhywsxkgn 8

Analysis

  • max time kernel
    93s
  • max time network
    149s
  • 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, 08:44

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
  • Unexpected DNS network traffic destination 9 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⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5100
    • C:\Windows\SYSTEM32\cmd.exe
      "cmd" /c ipconfig /all
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3576
      • C:\Windows\system32\ipconfig.exe
        ipconfig /all
        3⤵
        • Gathers network information
        PID:2504
    • 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:2076
      • 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:4076
    • 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:724

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/724-20-0x0000010ED8C80000-0x0000010ED8C88000-memory.dmp

    Filesize

    32KB

  • memory/724-26-0x0000010ED8D80000-0x0000010ED8D88000-memory.dmp

    Filesize

    32KB

  • memory/724-30-0x0000010ED9500000-0x0000010ED9508000-memory.dmp

    Filesize

    32KB

  • memory/724-29-0x0000010ED8CF0000-0x0000010ED8CFA000-memory.dmp

    Filesize

    40KB

  • memory/724-17-0x0000010EB9A60000-0x0000010EB9D42000-memory.dmp

    Filesize

    2.9MB

  • memory/724-28-0x0000010ED8D70000-0x0000010ED8D7A000-memory.dmp

    Filesize

    40KB

  • memory/724-19-0x0000010EBA180000-0x0000010EBA190000-memory.dmp

    Filesize

    64KB

  • memory/724-27-0x0000010ED94D0000-0x0000010ED94E6000-memory.dmp

    Filesize

    88KB

  • memory/724-21-0x0000010ED8D00000-0x0000010ED8D38000-memory.dmp

    Filesize

    224KB

  • memory/724-23-0x0000010ED93D0000-0x0000010ED94D0000-memory.dmp

    Filesize

    1024KB

  • memory/724-22-0x0000010ED8CD0000-0x0000010ED8CDE000-memory.dmp

    Filesize

    56KB

  • memory/724-24-0x0000010ED8CE0000-0x0000010ED8CEA000-memory.dmp

    Filesize

    40KB

  • memory/724-25-0x0000010ED8D40000-0x0000010ED8D66000-memory.dmp

    Filesize

    152KB

  • memory/5100-2-0x00007FFCC7680000-0x00007FFCC8141000-memory.dmp

    Filesize

    10.8MB

  • memory/5100-0-0x00007FFCC7683000-0x00007FFCC7685000-memory.dmp

    Filesize

    8KB

  • memory/5100-18-0x00007FFCC7680000-0x00007FFCC8141000-memory.dmp

    Filesize

    10.8MB

  • memory/5100-1-0x000001FD80D80000-0x000001FD80E4E000-memory.dmp

    Filesize

    824KB

  • memory/5100-4-0x000001FD9D600000-0x000001FD9D622000-memory.dmp

    Filesize

    136KB