Analysis

  • max time kernel
    142s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-09-2024 09:14

General

  • Target

    d404080222d2281802982fe927416290_JaffaCakes118.exe

  • Size

    180KB

  • MD5

    d404080222d2281802982fe927416290

  • SHA1

    c0c6466fee1840922ae1df603c1b38d36841f1e8

  • SHA256

    9d9b3d076bcc00d240abe7a49a1cc9180d670b6b5e1c9e4bbeba38be2c0acc37

  • SHA512

    587d7a5e949414d5d79137076369218a4fc59036ef0990179d12c9b4e46752eb9a4cfc645ffd258392781c071c1f3e45391588dd947e816562031f53b57adffe

  • SSDEEP

    3072:R4vhjxMapBECJj+iqM8dTxoze71zPjVPd4ySKeXLLrrMuZw7k/M9S:R4vhjxMapBHjvl2Txoze71zPjVPd4y1p

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
  • 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 behavior: MapViewOfSection 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d404080222d2281802982fe927416290_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d404080222d2281802982fe927416290_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3348
    • C:\Users\Admin\AppData\Local\Temp\d404080222d2281802982fe927416290_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\d404080222d2281802982fe927416290_JaffaCakes118.exe"
      2⤵
      • Maps connected drives based on registry
      • Suspicious behavior: MapViewOfSection
      PID:1216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1216-1-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1216-5-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3348-0-0x000000000041A000-0x0000000000423000-memory.dmp

    Filesize

    36KB

  • memory/3464-2-0x0000000000A20000-0x0000000000A21000-memory.dmp

    Filesize

    4KB

  • memory/3464-3-0x0000000002A20000-0x0000000002A35000-memory.dmp

    Filesize

    84KB

  • memory/3464-4-0x0000000000A20000-0x0000000000A21000-memory.dmp

    Filesize

    4KB

  • memory/3464-6-0x0000000002A20000-0x0000000002A35000-memory.dmp

    Filesize

    84KB