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Analysis

  • max time kernel
    149s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21/05/2024, 03:42

General

  • Target

    61eb45e462738c0e3984137f0a6da5ec_JaffaCakes118.exe

  • Size

    124KB

  • MD5

    61eb45e462738c0e3984137f0a6da5ec

  • SHA1

    82f6201b9f0a77b4298861a1da4cce08b99afb55

  • SHA256

    64a4451cd02928f64713eda76180ed51914f03a349df777416cc1ea2dfbe1906

  • SHA512

    c43aaf6811475f46021ddbabb197c9133c442f17f71f949c1e1b34e532b0c18c9644a931fc6eb9d66e0b666794afa7cb8242c4c974552c514c80b9eb3c99b80b

  • SSDEEP

    3072:zClEDPzAWJJgekoUZXZqXVCAiM3GM+Zs:z8EDPz5LgIUZXZwEAd332

Malware Config

Extracted

Family

smokeloader

Botnet

VgU

Extracted

Family

smokeloader

Version

2018

C2

http://osetr.hk/css/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\61eb45e462738c0e3984137f0a6da5ec_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\61eb45e462738c0e3984137f0a6da5ec_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2228
    • C:\Users\Admin\AppData\Local\Temp\61eb45e462738c0e3984137f0a6da5ec_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\61eb45e462738c0e3984137f0a6da5ec_JaffaCakes118.exe"
      2⤵
      • Maps connected drives based on registry
      • Suspicious behavior: MapViewOfSection
      PID:2040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1212-2-0x00000000029D0000-0x00000000029D1000-memory.dmp

    Filesize

    4KB

  • memory/1212-3-0x00000000029B0000-0x00000000029C5000-memory.dmp

    Filesize

    84KB

  • memory/1212-8-0x00000000029B0000-0x00000000029C5000-memory.dmp

    Filesize

    84KB

  • memory/2040-1-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2040-4-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2228-0-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB