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Resubmissions

05/04/2024, 15:12

240405-slem9afg98 10

05/04/2024, 15:09

240405-sjgptsfg52 3

28/11/2023, 12:01

231128-n65b7ahg51 8

Analysis

  • max time kernel
    136s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • submitted
    05/04/2024, 15:12

General

  • Target

    dat.dll

  • Size

    1.5MB

  • MD5

    1cab91c58f43f65f1b0ce3263a474984

  • SHA1

    81d2e33b9b181983edce24b90d961eb4267a8e87

  • SHA256

    97e093f2e0bf6dec8392618722dd6b4411088fe752bedece910d11fffe0288a2

  • SHA512

    657222b4ce2b3385938f1c7e144641e47af63d87640b8843d21b1c72d4684a81960df52f4d72745ba6b9854f757f70751b0f23b08d7c4990274be964f2716330

  • SSDEEP

    12288:13ZJHttTLoh9ZyM67XI25/XAeWXiULji9G7Cw:133HTLoh9ZyMY425/Q3iUL+9M

Score
10/10

Malware Config

Extracted

Family

latrodectus

Version

1.0

C2

https://peermangoz.me/live/

https://aprettopizza.world/live/

Attributes
  • group

    Olimp

  • user_agent

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

Signatures

  • Latrodectus family
  • Latrodectus loader

    Latrodectus is a loader written in C++.

  • Detect larodectus Loader variant 1 3 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\dat.dll,nail
    1⤵
    • Deletes itself
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:32
    • C:\Windows\system32\rundll32.exe
      rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_b2fa2eb7.dll", nail
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      PID:2348
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3180 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2592

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Custom_update\Update_b2fa2eb7.dll

      Filesize

      1.5MB

      MD5

      1cab91c58f43f65f1b0ce3263a474984

      SHA1

      81d2e33b9b181983edce24b90d961eb4267a8e87

      SHA256

      97e093f2e0bf6dec8392618722dd6b4411088fe752bedece910d11fffe0288a2

      SHA512

      657222b4ce2b3385938f1c7e144641e47af63d87640b8843d21b1c72d4684a81960df52f4d72745ba6b9854f757f70751b0f23b08d7c4990274be964f2716330

    • memory/32-0-0x0000000180000000-0x0000000180188000-memory.dmp

      Filesize

      1.5MB

    • memory/32-1-0x000001915ABE0000-0x000001915ABE4000-memory.dmp

      Filesize

      16KB

    • memory/32-2-0x000001915ABF0000-0x000001915AC03000-memory.dmp

      Filesize

      76KB

    • memory/2348-11-0x0000000180000000-0x0000000180188000-memory.dmp

      Filesize

      1.5MB

    • memory/2348-13-0x0000025932840000-0x0000025932853000-memory.dmp

      Filesize

      76KB

    • memory/2348-18-0x0000025932840000-0x0000025932853000-memory.dmp

      Filesize

      76KB