latrodectus | 805b59e48af90504024f70124d850870a69b822b8e34d1ee551353c42a338bf7

Analysis

max time kernel
136s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
04/05/2024, 01:27

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General

Target
805b59e48af90504024f70124d850870a69b822b8e34d1ee551353c42a338bf7.dll
Size 60KB
Sample240504-bvjvwscf82
SHA256 805b59e48af90504024f70124d850870a69b822b8e34d1ee551353c42a338bf7
MD5 441ce23f19aa042727acff5787e06d9d
SHA1 d907481fbcb17743d312e2e9f1aa855a1abdd24c
SHA512 349225f3541e3a8e6152df99a702065f880eb4d43a3909293f95ae97b3756145e1d95b4ecc128591f802edee783942e50797080233b2f563acf21827cff66284
SSDEEP 768:+i0IIO99dKJKbAgQVuyQw4n4mjlQmLvniWiMfDeDvhHImz:ipO9CJKrQF4n4mjltqTMKD5H
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

latrodectus loader

Malware Config

Extracted

Family

latrodectus

https://titnovacrion.top/live/
https://skinnyjeanso.com/live/

Signatures

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

Detect larodectus Loader variant 2 2 IoCs

loader

resource	yara_rule
behavioral2/files/0x0008000000023410-2.dat	family_latrodectus_v2
behavioral2/memory/2992-1-0x00007FFA248A0000-0x00007FFA248B4000-memory.dmp	family_latrodectus_v2

Deletes itself 1 IoCs

pid	Process
2992	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
4180	rundll32.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2992	rundll32.exe
2992	rundll32.exe
2992	rundll32.exe
2992	rundll32.exe
4180	rundll32.exe
4180	rundll32.exe
4180	rundll32.exe
4180	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2992	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 4180	2992	rundll32.exe	84
PID 2992 wrote to memory of 4180	2992	rundll32.exe	84

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\805b59e48af90504024f70124d850870a69b822b8e34d1ee551353c42a338bf7.dll,#1
1⤵
- Deletes itself
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2992
- C:\Windows\system32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_e17ea67f.dll", #1
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:4180

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

Replay Monitor

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Downloads

Update_e17ea67f.dll

Path C:\Users\Admin\AppData\Roaming\Custom_update\Update_e17ea67f.dll
Size 60KB
SHA256 805b59e48af90504024f70124d850870a69b822b8e34d1ee551353c42a338bf7
MD5 441ce23f19aa042727acff5787e06d9d
SHA1 d907481fbcb17743d312e2e9f1aa855a1abdd24c
SHA512 349225f3541e3a8e6152df99a702065f880eb4d43a3909293f95ae97b3756145e1d95b4ecc128591f802edee783942e50797080233b2f563acf21827cff66284
SSDEEP 768:+i0IIO99dKJKbAgQVuyQw4n4mjlQmLvniWiMfDeDvhHImz:ipO9CJKrQF4n4mjltqTMKD5H
MD5 SHA1 SHA512 SSDEEP

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memory/2992-1-0x00007FFA248A0000-0x00007FFA248B4000-memory.dmp

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