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Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26/06/2024, 18:43

General

  • Target

    1305725d8a1c83c0a58e70e19f6a0a67_JaffaCakes118.dll

  • Size

    136KB

  • MD5

    1305725d8a1c83c0a58e70e19f6a0a67

  • SHA1

    b689a9498c40403109990b8c0f4c6c39a7c282b8

  • SHA256

    f0558e10dc09f85ef23ef5b28b3be877e1973adb0bd475639ae3be71a8bca373

  • SHA512

    f4641e2f32382c7bdb075d3cc0385847cdf8a59ca997c6978342140e39fdcfa5686ca2f600612de707130b6fc354c6ee380efd54c40a020503d3b907047c751f

  • SSDEEP

    1536:ssVVVHum9qaUXIkqgOL9AkYGvbiQdcghUYjtK8fMJ/nouy8mKozzx:nVH9qFVkYiOUtk8fMFoutmKoz

Malware Config

Signatures

  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Drops file in Windows directory 4 IoCs
  • Access Token Manipulation: Create Process with Token 1 TTPs 1 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\1305725d8a1c83c0a58e70e19f6a0a67_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2452
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1305725d8a1c83c0a58e70e19f6a0a67_JaffaCakes118.dll,#1
      2⤵
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2172
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32 "C:\Windows\msisse.dll",_RunAs@16
        3⤵
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Drops file in Windows directory
        • Access Token Manipulation: Create Process with Token
        • Suspicious behavior: EnumeratesProcesses
        PID:3052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\msisse.dll

    Filesize

    136KB

    MD5

    1305725d8a1c83c0a58e70e19f6a0a67

    SHA1

    b689a9498c40403109990b8c0f4c6c39a7c282b8

    SHA256

    f0558e10dc09f85ef23ef5b28b3be877e1973adb0bd475639ae3be71a8bca373

    SHA512

    f4641e2f32382c7bdb075d3cc0385847cdf8a59ca997c6978342140e39fdcfa5686ca2f600612de707130b6fc354c6ee380efd54c40a020503d3b907047c751f

  • memory/2172-1-0x0000000010000000-0x0000000010024000-memory.dmp

    Filesize

    144KB

  • memory/2172-0-0x0000000010000000-0x0000000010024000-memory.dmp

    Filesize

    144KB

  • memory/2172-9-0x0000000010000000-0x0000000010024000-memory.dmp

    Filesize

    144KB

  • memory/3052-6-0x0000000010000000-0x0000000010024000-memory.dmp

    Filesize

    144KB

  • memory/3052-7-0x0000000010000000-0x0000000010024000-memory.dmp

    Filesize

    144KB

  • memory/3052-8-0x0000000010000000-0x0000000010024000-memory.dmp

    Filesize

    144KB