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Analysis

  • max time kernel
    151s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/02/2024, 12:46

General

  • Target

    SecuriteInfo.com.Trojan.MulDrop3.26100.10656.22623.dll

  • Size

    1.8MB

  • MD5

    ff9f837f2e437d55dab3110bfc17b0a2

  • SHA1

    bf3a403e81a5db31e8ea3d34f01408ba47d1fab6

  • SHA256

    6ac207559706d6f6e7f95d6cb3754f75e9f0b3b962cadb2a3f85a46a1aff3422

  • SHA512

    d1a161567514bba1e20d53334e23bf654416d91261ec3981dde65a846f584b03a90abee534fe93973b28389a83e2293c7619ba58f1a0b35a5b4a899143362947

  • SSDEEP

    24576:203bWVWrpjTfAVkpy+WH1/Q0cisbEqwV47AaZbTaA3ssy3ll43I5xMVsbOOOjygs:5bEQj4m9nIFVsL/Tc5lGsiojtqIbb

Malware Config

Signatures

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.MulDrop3.26100.10656.22623.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1408
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.MulDrop3.26100.10656.22623.dll,#1
      2⤵
      • Identifies Wine through registry keys
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:4936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/4936-0-0x0000000010000000-0x0000000010360000-memory.dmp

    Filesize

    3.4MB

  • memory/4936-1-0x0000000000600000-0x000000000069D000-memory.dmp

    Filesize

    628KB

  • memory/4936-2-0x0000000010000000-0x0000000010360000-memory.dmp

    Filesize

    3.4MB

  • memory/4936-3-0x0000000003320000-0x0000000003321000-memory.dmp

    Filesize

    4KB

  • memory/4936-4-0x0000000003340000-0x0000000003341000-memory.dmp

    Filesize

    4KB

  • memory/4936-6-0x0000000003360000-0x0000000003361000-memory.dmp

    Filesize

    4KB

  • memory/4936-7-0x0000000003330000-0x0000000003331000-memory.dmp

    Filesize

    4KB

  • memory/4936-5-0x0000000003350000-0x0000000003351000-memory.dmp

    Filesize

    4KB

  • memory/4936-8-0x0000000000300000-0x0000000000314000-memory.dmp

    Filesize

    80KB

  • memory/4936-9-0x0000000010000000-0x0000000010360000-memory.dmp

    Filesize

    3.4MB

  • memory/4936-10-0x0000000010000000-0x0000000010360000-memory.dmp

    Filesize

    3.4MB

  • memory/4936-12-0x0000000010000000-0x0000000010360000-memory.dmp

    Filesize

    3.4MB

  • memory/4936-13-0x0000000010000000-0x0000000010360000-memory.dmp

    Filesize

    3.4MB

  • memory/4936-15-0x0000000010000000-0x0000000010360000-memory.dmp

    Filesize

    3.4MB

  • memory/4936-17-0x0000000010000000-0x0000000010360000-memory.dmp

    Filesize

    3.4MB

  • memory/4936-19-0x0000000010000000-0x0000000010360000-memory.dmp

    Filesize

    3.4MB

  • memory/4936-21-0x0000000010000000-0x0000000010360000-memory.dmp

    Filesize

    3.4MB

  • memory/4936-23-0x0000000010000000-0x0000000010360000-memory.dmp

    Filesize

    3.4MB

  • memory/4936-25-0x0000000010000000-0x0000000010360000-memory.dmp

    Filesize

    3.4MB

  • memory/4936-27-0x0000000010000000-0x0000000010360000-memory.dmp

    Filesize

    3.4MB

  • memory/4936-29-0x0000000010000000-0x0000000010360000-memory.dmp

    Filesize

    3.4MB

  • memory/4936-31-0x0000000010000000-0x0000000010360000-memory.dmp

    Filesize

    3.4MB

  • memory/4936-33-0x0000000010000000-0x0000000010360000-memory.dmp

    Filesize

    3.4MB

  • memory/4936-35-0x0000000010000000-0x0000000010360000-memory.dmp

    Filesize

    3.4MB

  • memory/4936-37-0x0000000010000000-0x0000000010360000-memory.dmp

    Filesize

    3.4MB