Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26-04-2024 15:54

General

  • Target

    01216bca227a81a152b9796d2d0f66ab_JaffaCakes118.exe

  • Size

    208KB

  • MD5

    01216bca227a81a152b9796d2d0f66ab

  • SHA1

    c463d0f6574605d23bfc66c3d3e42595c13d50f3

  • SHA256

    e8b306a0c742d34f976c7af1ee7a63fe65f2c2403fe5fc1eced82848f07fd1b3

  • SHA512

    6239d03a39ed6dfde7327a712adfcb5a97d358c820f9ccf98fef72f5dd3ea2083fbaa6f61473df1d202b7173e7dc50969f02588fa52945f2bec3d39ae9e97e9a

  • SSDEEP

    3072:qs6XG+smdcLzMexSApk7vXtyTnz0M1QmLipV32FZsR/MPV09Q6u:EXtGXMeVot+4M1QmLi/GFmR/M2Z

Malware Config

Extracted

Family

smokeloader

Version

2017

C2

http://securityupdateserver3.com/blog/wp.php

http://securityupdateserver4.com/blog/wp.php

http://securityupdateserver5.com/blog/wp.php

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Deletes itself 1 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01216bca227a81a152b9796d2d0f66ab_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\01216bca227a81a152b9796d2d0f66ab_JaffaCakes118.exe"
    1⤵
    • Maps connected drives based on registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2180
    • C:\Windows\SysWOW64\explorer.exe
      explorer.exe
      2⤵
      • Adds policy Run key to start application
      • Deletes itself
      PID:2392

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    766efb9dd87a0925c69aa78074f3dd29

    SHA1

    ad9a501368655c78e0c6170443107d62948c820b

    SHA256

    3b292e59adb1d8ac7e5b6e6dee87e5a2ebbb835b2d2551b61f7c07f5ab1be90c

    SHA512

    5d8ac658113c69ed0427f586693b44bc476663bb626b30e52ebcaad32ad1c40816c08b8d42bb976cdaf0c3fcc976824900f3aba86ff0bfab7f6e960ed0d24787

  • C:\Users\Admin\AppData\Local\Temp\Tar5401.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • memory/2180-16-0x0000000072940000-0x0000000072A93000-memory.dmp

    Filesize

    1.3MB

  • memory/2180-3-0x00000000002C0000-0x00000000002CA000-memory.dmp

    Filesize

    40KB

  • memory/2180-6-0x00000000002C0000-0x00000000002CA000-memory.dmp

    Filesize

    40KB

  • memory/2180-5-0x0000000000400000-0x0000000000404000-memory.dmp

    Filesize

    16KB

  • memory/2180-7-0x0000000072940000-0x0000000072A93000-memory.dmp

    Filesize

    1.3MB

  • memory/2180-2-0x0000000000400000-0x0000000000404000-memory.dmp

    Filesize

    16KB

  • memory/2180-14-0x00000000002C0000-0x00000000002CA000-memory.dmp

    Filesize

    40KB

  • memory/2392-12-0x0000000000310000-0x000000000031A000-memory.dmp

    Filesize

    40KB

  • memory/2392-22-0x0000000000310000-0x000000000031A000-memory.dmp

    Filesize

    40KB

  • memory/2392-21-0x0000000000310000-0x000000000031A000-memory.dmp

    Filesize

    40KB

  • memory/2392-24-0x0000000000310000-0x000000000031A000-memory.dmp

    Filesize

    40KB

  • memory/2392-10-0x0000000000310000-0x000000000031A000-memory.dmp

    Filesize

    40KB

  • memory/2392-9-0x0000000000020000-0x00000000002A1000-memory.dmp

    Filesize

    2.5MB

  • memory/2392-8-0x0000000000020000-0x00000000002A1000-memory.dmp

    Filesize

    2.5MB