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Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/04/2024, 00:15

General

  • Target

    lact/1684-0-0x0000000001D20000-0x0000000001D34000-memory_unmapped.dll

  • Size

    80KB

  • MD5

    3553028b63b5608c0aff42b067977b7e

  • SHA1

    fb1354c019ec345144e26aebfc3cf6f3a6a0a8d2

  • SHA256

    5edc39cbd89d3ba70a4737f823933af93f3c182134af8e34e0af9a316afaaca8

  • SHA512

    6f0d89dedd62cecc62b06ee21b818aa16706b40f3133aaba2967bef944299285056bc17f915a777468ad1cba455cc41f6d3e09850684b24996715097c77d05e9

  • SSDEEP

    768:0oWfTLO3B5YC0YbGuRPv87BZILqSdE8TWz7MUYqw8:UfO3ornBZdGSMNy

Score
10/10

Malware Config

Extracted

Family

latrodectus

C2

https://aytobusesre.com/live/

https://scifimond.com/live/

Signatures

  • Latrodectus loader

    Latrodectus is a loader written in C++.

  • Detect larodectus Loader variant 2 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 2 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.

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\lact\1684-0-0x0000000001D20000-0x0000000001D34000-memory_unmapped.dll,#1
    1⤵
    • Deletes itself
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:3124
    • C:\Windows\system32\rundll32.exe
      rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_dcb32c2b.dll", #1
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      PID:5088

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Custom_update\Update_dcb32c2b.dll

    Filesize

    80KB

    MD5

    3553028b63b5608c0aff42b067977b7e

    SHA1

    fb1354c019ec345144e26aebfc3cf6f3a6a0a8d2

    SHA256

    5edc39cbd89d3ba70a4737f823933af93f3c182134af8e34e0af9a316afaaca8

    SHA512

    6f0d89dedd62cecc62b06ee21b818aa16706b40f3133aaba2967bef944299285056bc17f915a777468ad1cba455cc41f6d3e09850684b24996715097c77d05e9

  • memory/3124-1-0x0000000059050000-0x0000000059064000-memory.dmp

    Filesize

    80KB