latrodectus | b83f12387a8c3bd5d2f7b23a4019b85771bd49fa4f61943771d4e7c6d3e72be5

Resubmissions

05/04/2024, 15:15

240405-snc77sfh55 10

12/03/2024, 09:50

240312-lveahsfh28 7

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
submitted
12/03/2024, 09:50

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General

Target

3b63ea8b6f9b2aa847faa11f6cd3eb281abd9b9cceedb570713c4d78a47de567.dll

Score

10^/10

latrodectus loader

Malware Config

Extracted

Family

latrodectus

https://scifimond.com/live/

https://drifajizo.fun/live/

Signatures

Latrodectus family
latrodectus
Latrodectus loader
Latrodectus is a loader written in C++.
loader latrodectus

Detect larodectus Loader variant 2 5 IoCs

loader

resource	yara_rule
behavioral2/memory/1660-0-0x000001941B240000-0x000001941B254000-memory.dmp	family_latrodectus_v2
behavioral2/memory/4076-1-0x000002B066700000-0x000002B066714000-memory.dmp	family_latrodectus_v2
behavioral2/memory/4076-5-0x000002B066700000-0x000002B066714000-memory.dmp	family_latrodectus_v2
behavioral2/memory/4148-8-0x00000222D7C80000-0x00000222D7C94000-memory.dmp	family_latrodectus_v2
behavioral2/memory/4148-7-0x00000222D7C80000-0x00000222D7C94000-memory.dmp	family_latrodectus_v2

Deletes itself 1 IoCs

pid	Process
4076	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
4148	rundll32.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4076	rundll32.exe
4076	rundll32.exe
4076	rundll32.exe
4076	rundll32.exe
4148	rundll32.exe
4148	rundll32.exe
4148	rundll32.exe
4148	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4076	rundll32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1372 wrote to memory of 4076	1372	cmd.exe	115
PID 1372 wrote to memory of 4076	1372	cmd.exe	115
PID 4076 wrote to memory of 4148	4076	rundll32.exe	116
PID 4076 wrote to memory of 4148	4076	rundll32.exe	116

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

Query Registry
T1012

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b63ea8b6f9b2aa847faa11f6cd3eb281abd9b9cceedb570713c4d78a47de567.dll,#1
1⤵
PID:1660

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2696

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1372
- C:\Windows\system32\rundll32.exe
  rundll32 3b63ea8b6f9b2aa847faa11f6cd3eb281abd9b9cceedb570713c4d78a47de567.dll, vgml
  2⤵
  - Deletes itself
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:4076
- - C:\Windows\system32\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_33b0dade.dll", vgml
    3⤵
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    PID:4148

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Custom_update\Update_33b0dade.dll

Filesize
469KB

MD5
e27c6586dba78d5d302589f3b231be40

SHA1
305031a6d93a744cf61552ab673ddb27843ee845

SHA256
3b63ea8b6f9b2aa847faa11f6cd3eb281abd9b9cceedb570713c4d78a47de567

SHA512
1f0c126e38eed21ee51e04ebe4717fcbb3545d9ccdcc24ba0125f82c5f9b94d1406cbf3ba9f58958e4f180bdd6931bc3a3cb5390de990f8265baabfd414f89c2

Download Submit
memory/1660-0-0x000001941B240000-0x000001941B254000-memory.dmp

Filesize
80KB

Download
memory/4076-1-0x000002B066700000-0x000002B066714000-memory.dmp

Filesize
80KB

Download
memory/4076-3-0x0000000180000000-0x000000018007B000-memory.dmp

Filesize
492KB

Download
memory/4076-5-0x000002B066700000-0x000002B066714000-memory.dmp

Filesize
80KB

Download
memory/4148-8-0x00000222D7C80000-0x00000222D7C94000-memory.dmp

Filesize
80KB

Download
memory/4148-7-0x00000222D7C80000-0x00000222D7C94000-memory.dmp

Filesize
80KB

Download