Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250217-en
  • resource tags

    arch:x64arch:x86image:win11-20250217-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    20-02-2025 13:30

General

  • Target

    Bootstrapper.exe

  • Size

    800KB

  • MD5

    02c70d9d6696950c198db93b7f6a835e

  • SHA1

    30231a467a49cc37768eea0f55f4bea1cbfb48e2

  • SHA256

    8f2e28588f2303bd8d7a9b0c3ff6a9cb16fa93f8ddc9c5e0666a8c12d6880ee3

  • SHA512

    431d9b9918553bff4f4a5bc2a5e7b7015f8ad0e2d390bb4d5264d08983372424156524ef5587b24b67d1226856fc630aaca08edc8113097e0094501b4f08efeb

  • SSDEEP

    12288:qhd8cjaLXVh84wEFkW1mocaBj6WtiRPpptHxQ0z:2ycjar84w5W4ocaBj6y2tHDz

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Unexpected DNS network traffic destination 3 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⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4544
    • C:\Windows\SYSTEM32\cmd.exe
      "cmd" /c ipconfig /all
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3892
      • C:\Windows\system32\ipconfig.exe
        ipconfig /all
        3⤵
        • Gathers network information
        PID:2952
    • 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:1124
      • 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:1584
    • C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.20.exe
      "C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.20.exe" --oldBootstrapper "C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe" --isUpdate true
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.20.exe

    Filesize

    2.9MB

    MD5

    f227cdfd423b3cc03bb69c49babf4da3

    SHA1

    3db5a97d9b0f2545e7ba97026af6c28512200441

    SHA256

    cb5d6c1ca0aa6232a2d55e14b20ac4a9945a0bd063c57d60a5ed3ae94160e3e8

    SHA512

    b10afd03b02a928545c16fad39a6ae46b68b1e1a2477a6990803ce80008e7161fb2ebc9380ba15a1b074bb436aa34bcd6c94a922933d438b1c22489717e1e10e

  • memory/992-22-0x000001FF57430000-0x000001FF57468000-memory.dmp

    Filesize

    224KB

  • memory/992-31-0x000001FF575A0000-0x000001FF575A8000-memory.dmp

    Filesize

    32KB

  • memory/992-21-0x000001FF56810000-0x000001FF56818000-memory.dmp

    Filesize

    32KB

  • memory/992-30-0x000001FF56DD0000-0x000001FF56DDA000-memory.dmp

    Filesize

    40KB

  • memory/992-29-0x000001FF56DE0000-0x000001FF56DEA000-memory.dmp

    Filesize

    40KB

  • memory/992-18-0x000001FF38400000-0x000001FF386E2000-memory.dmp

    Filesize

    2.9MB

  • memory/992-28-0x000001FF57570000-0x000001FF57586000-memory.dmp

    Filesize

    88KB

  • memory/992-20-0x000001FF38BF0000-0x000001FF38C00000-memory.dmp

    Filesize

    64KB

  • memory/992-27-0x000001FF57420000-0x000001FF57428000-memory.dmp

    Filesize

    32KB

  • memory/992-26-0x000001FF573F0000-0x000001FF57416000-memory.dmp

    Filesize

    152KB

  • memory/992-24-0x000001FF57470000-0x000001FF57570000-memory.dmp

    Filesize

    1024KB

  • memory/992-23-0x000001FF56830000-0x000001FF5683E000-memory.dmp

    Filesize

    56KB

  • memory/992-25-0x000001FF56DC0000-0x000001FF56DCA000-memory.dmp

    Filesize

    40KB

  • memory/4544-2-0x00007FF9E5A50000-0x00007FF9E6512000-memory.dmp

    Filesize

    10.8MB

  • memory/4544-4-0x00007FF9E5A53000-0x00007FF9E5A55000-memory.dmp

    Filesize

    8KB

  • memory/4544-19-0x00007FF9E5A50000-0x00007FF9E6512000-memory.dmp

    Filesize

    10.8MB

  • memory/4544-1-0x00000192EB870000-0x00000192EB93E000-memory.dmp

    Filesize

    824KB

  • memory/4544-5-0x00000192ED650000-0x00000192ED672000-memory.dmp

    Filesize

    136KB

  • memory/4544-0-0x00007FF9E5A53000-0x00007FF9E5A55000-memory.dmp

    Filesize

    8KB