Overview

overview

10

Static

static

3

3f9c120f16...18.exe

windows7-x64

10

3f9c120f16...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-03-2024 16:29

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General

  • Target

    3f9c120f163f1b2f4fc3c119e9649ac1_JaffaCakes118.exe

  • Size

    238KB

  • MD5

    3f9c120f163f1b2f4fc3c119e9649ac1

  • SHA1

    9d952de3928f02dbaefb467c9345cc011e22d113

  • SHA256

    a17ce7a50169efb00d44c65e07ed51ea2c654eb8e704546f32a215042b0862ca

  • SHA512

    f93368d48d3fa5bb0020caaebd93672bcaedbfcebf7a3e187ce58ebb3be02d2622fd45d8015566dc1e40d6fbf368bde9311968a7013acfb1cca16e91fb59cd4a

  • SSDEEP

    6144:24AwhPQpXSC0OGCDhlw1wv9HjnIbAuMt55I:2hiAXSC0OGylw1sjI7O55I

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://fiskahlilian16.top/

http://paishancho17.top/

http://ydiannetter18.top/

http://azarehanelle19.top/

http://quericeriant20.top/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f9c120f163f1b2f4fc3c119e9649ac1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3f9c120f163f1b2f4fc3c119e9649ac1_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3488
    • C:\Users\Admin\AppData\Local\Temp\3f9c120f163f1b2f4fc3c119e9649ac1_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3f9c120f163f1b2f4fc3c119e9649ac1_JaffaCakes118.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:624
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 624 -s 332
        3⤵
        • Program crash
        PID:3000
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 624 -ip 624
    1⤵
      PID:4440

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/624-3-0x0000000000400000-0x0000000000409000-memory.dmp
      Filesize

      36KB

      Download
    • memory/624-4-0x0000000000400000-0x0000000000409000-memory.dmp
      Filesize

      36KB

      Download
    • memory/624-8-0x0000000000400000-0x0000000000409000-memory.dmp
      Filesize

      36KB

      Download
    • memory/3440-5-0x0000000002FB0000-0x0000000002FC5000-memory.dmp
      Filesize

      84KB

      Download
    • memory/3488-1-0x0000000000880000-0x0000000000980000-memory.dmp
      Filesize

      1024KB

      Download
    • memory/3488-2-0x00000000009E0000-0x00000000009E9000-memory.dmp
      Filesize

      36KB

      Download