Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 15:11

General

  • Target

    JaffaCakes118_241364ff77c341ad9720f1d9022e1b61.exe

  • Size

    337KB

  • MD5

    241364ff77c341ad9720f1d9022e1b61

  • SHA1

    f40e577a55d03f98f32c62e6d9c1278c9c892e0b

  • SHA256

    1dfdb7447c64c608ac8100c356b2accf66cee234c704bb854c3787f08659c2aa

  • SHA512

    cd1646036f616bb4a0d784e8cda626f587aea64ab1d3124e97a62b3f3540db5f01a7b1f5b4970d25fed82ddd4deffca6c813665b0bda3a802220ccad16b90bae

  • SSDEEP

    6144:Y+fFVugyxKs4QkoQd7jLXmlUOtMCrHEVhqSdAni/yLUDXplr:NfCgmkoUjL4NG0EbdAniKLUDLr

Malware Config

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Smokeloader family
  • 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\JaffaCakes118_241364ff77c341ad9720f1d9022e1b61.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_241364ff77c341ad9720f1d9022e1b61.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2212 -s 128
      2⤵
      • Program crash
      PID:2532

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\1105.tmp

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • memory/2212-1-0x0000000002EA0000-0x0000000002FA0000-memory.dmp

    Filesize

    1024KB

  • memory/2212-2-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2212-6-0x0000000000400000-0x0000000002DAB000-memory.dmp

    Filesize

    41.7MB

  • memory/2212-7-0x0000000000400000-0x0000000002DAB000-memory.dmp

    Filesize

    41.7MB

  • memory/2212-8-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB