Analysis

  • max time kernel
    133s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • submitted
    13-11-2024 17:20

General

  • Target

    tab.dll

  • Size

    1.6MB

  • MD5

    4f4a164b5f9ef20be601531a727179a2

  • SHA1

    1601622dc7caef28ce413e1d73b4d4596aabfc50

  • SHA256

    0f23855e56eb6ec760717be43280eeeeaec1aeef939f9ae6a41daf1b8e3bd306

  • SHA512

    de09d9f0048a19c7efa7ffae01f58c41e619e09e6ec56e4b818b58846672a0772c58913ba5ad4c86b746d91399894a21bf51225c1737a0652b1c85ffa3307030

  • SSDEEP

    24576:87u7nB/DBD9accSqVO9y/QaD74F3Zux5UDJpbD52hCvrHbvLz:8y/DBD9MVO9yos0F345UTbDukHvL

Malware Config

Extracted

Family

latrodectus

Version

1.4

C2

https://rolefenik.com/test/

https://ergiholim.com/test/

Attributes
  • group

    Theta

  • user_agent

    Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Tob 1.1)

aes.hex

Signatures

  • Brute Ratel C4

    A customized command and control framework for red teaming and adversary simulation.

  • Bruteratel family
  • Detect BruteRatel badger 1 IoCs
  • Detects Latrodectus 4 IoCs

    Detects Latrodectus v1.4.

  • Latrodectus family
  • Latrodectus loader

    Latrodectus is a loader written in C++.

  • Blocklisted process makes network request 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of UnmapMainImage
    PID:3632
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\tab.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2244

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2244-0-0x000001D6A54E0000-0x000001D6A551E000-memory.dmp

    Filesize

    248KB

  • memory/2244-1-0x000001D6A5640000-0x000001D6A568C000-memory.dmp

    Filesize

    304KB

  • memory/2244-20-0x00007FF47D570000-0x00007FF47D585000-memory.dmp

    Filesize

    84KB

  • memory/2244-19-0x00007FF47D590000-0x00007FF47D591000-memory.dmp

    Filesize

    4KB

  • memory/2244-24-0x00007FF47D530000-0x00007FF47D531000-memory.dmp

    Filesize

    4KB

  • memory/2244-23-0x00007FF47D540000-0x00007FF47D541000-memory.dmp

    Filesize

    4KB

  • memory/2244-22-0x00007FF47D550000-0x00007FF47D551000-memory.dmp

    Filesize

    4KB

  • memory/2244-21-0x00007FF47D560000-0x00007FF47D561000-memory.dmp

    Filesize

    4KB

  • memory/2244-30-0x000001D6A5640000-0x000001D6A568C000-memory.dmp

    Filesize

    304KB

  • memory/3632-25-0x00000000025E0000-0x00000000025F5000-memory.dmp

    Filesize

    84KB

  • memory/3632-26-0x00000000025E0000-0x00000000025F5000-memory.dmp

    Filesize

    84KB

  • memory/3632-27-0x00000000025E0000-0x00000000025F5000-memory.dmp

    Filesize

    84KB