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Analysis

  • max time kernel
    13s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    24/08/2024, 08:57

General

  • Target

    be43186361b4cc5d9cbd5366d199cce6_JaffaCakes118.exe

  • Size

    152KB

  • MD5

    be43186361b4cc5d9cbd5366d199cce6

  • SHA1

    5a78d7ea8d88d53fa7ca53e300fe62a61d6a386c

  • SHA256

    2419a0ea227385f1bf1cd5c31bc40ed7908db7eafa9d746dc171f5ffcbaad4cb

  • SHA512

    4696a85934153d1bf441699fc04c3c547724d66e90b59b48ba2c652fe2fdbf55efacedeadd72425ab127285636562b612388ee60edc0d8d539e77732b90d4739

  • SSDEEP

    3072:c5rJz5uUl00K1PO/kvRPe0oYr5vFIOckF+v:c5rhITD5tPLF+

Malware Config

Extracted

Family

smokeloader

Botnet

ku11

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Loads dropped DLL 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\be43186361b4cc5d9cbd5366d199cce6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\be43186361b4cc5d9cbd5366d199cce6_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 168
      2⤵
      • Program crash
      PID:2724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\5C1B.tmp

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • memory/1732-2-0x00000000001C0000-0x00000000001CA000-memory.dmp

    Filesize

    40KB

  • memory/1732-1-0x00000000001B0000-0x00000000001BA000-memory.dmp

    Filesize

    40KB

  • memory/1732-0-0x00000000000A0000-0x00000000000A1000-memory.dmp

    Filesize

    4KB

  • memory/1732-6-0x00000000001C0000-0x00000000001CA000-memory.dmp

    Filesize

    40KB