latrodectus | f3cd7dc8576b38bc9ae90ad6abe6971ef515805a87dd342b22d693bfb3ffa8bf

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
09-10-2024 01:55

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General

Target

989f811ac3c4ba5413fef99154ba60d930835d17832d6c26e3b66d9d45e01126.exe
Size

11.0MB
MD5

262d733731abd4b67a97b682bfc9861f
SHA1

254734707cfd4f34388e0b907240c26732434c99
SHA256

989f811ac3c4ba5413fef99154ba60d930835d17832d6c26e3b66d9d45e01126
SHA512

ec49736c73700a2eeeac0c048e1999a081ea2537564ef2e57a04d4a9bbe9016a511955ca78806c6fa18649b4abed790c35c00ed3db7296a2145590fe201c51bc
SSDEEP

196608:R/6pQnU/4/OVGeiU1W0vAd607M+9iX6HL7iir9ZyYJ43I/hrI:R/gQqrVGo4Ep6iXo7GYJftI

Score

10^/10

latrodectus loader

Malware Config

Extracted

Family

latrodectus

https://restoreviner.com/test/

https://peronikilinfer.com/test/

Signatures

Detects Latrodectus 1 IoCs

Detects Latrodectus v1.4.

resource	yara_rule
behavioral1/memory/2420-8-0x000000013FCA0000-0x000000013FCB5000-memory.dmp	family_latrodectus_1_4

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

Deletes itself 1 IoCs

pid	Process
2420	989f811ac3c4ba5413fef99154ba60d930835d17832d6c26e3b66d9d45e01126.exe

Executes dropped EXE 1 IoCs

pid	Process
2756	Update_97356924.exe

Loads dropped DLL 2 IoCs

pid	Process
2420	989f811ac3c4ba5413fef99154ba60d930835d17832d6c26e3b66d9d45e01126.exe
2420	989f811ac3c4ba5413fef99154ba60d930835d17832d6c26e3b66d9d45e01126.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2420	989f811ac3c4ba5413fef99154ba60d930835d17832d6c26e3b66d9d45e01126.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2756	2420	989f811ac3c4ba5413fef99154ba60d930835d17832d6c26e3b66d9d45e01126.exe	30
PID 2420 wrote to memory of 2756	2420	989f811ac3c4ba5413fef99154ba60d930835d17832d6c26e3b66d9d45e01126.exe	30
PID 2420 wrote to memory of 2756	2420	989f811ac3c4ba5413fef99154ba60d930835d17832d6c26e3b66d9d45e01126.exe	30
PID 2420 wrote to memory of 2688	2420	989f811ac3c4ba5413fef99154ba60d930835d17832d6c26e3b66d9d45e01126.exe	31
PID 2420 wrote to memory of 2688	2420	989f811ac3c4ba5413fef99154ba60d930835d17832d6c26e3b66d9d45e01126.exe	31
PID 2420 wrote to memory of 2688	2420	989f811ac3c4ba5413fef99154ba60d930835d17832d6c26e3b66d9d45e01126.exe	31

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:\Users\Admin\AppData\Local\Temp\989f811ac3c4ba5413fef99154ba60d930835d17832d6c26e3b66d9d45e01126.exe
"C:\Users\Admin\AppData\Local\Temp\989f811ac3c4ba5413fef99154ba60d930835d17832d6c26e3b66d9d45e01126.exe"
1⤵
- Deletes itself
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Users\Admin\AppData\Roaming\Custom_update\Update_97356924.exe
  "C:\Users\Admin\AppData\Roaming\Custom_update\Update_97356924.exe"
  2⤵
  - Executes dropped EXE
  PID:2756
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2420 -s 304
  2⤵
  PID:2688

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

C:\Users\Admin\AppData\Roaming\Custom_update\Update_97356924.exe

Filesize
11.0MB

MD5
262d733731abd4b67a97b682bfc9861f

SHA1
254734707cfd4f34388e0b907240c26732434c99

SHA256
989f811ac3c4ba5413fef99154ba60d930835d17832d6c26e3b66d9d45e01126

SHA512
ec49736c73700a2eeeac0c048e1999a081ea2537564ef2e57a04d4a9bbe9016a511955ca78806c6fa18649b4abed790c35c00ed3db7296a2145590fe201c51bc

Download Submit
memory/2420-8-0x000000013FCA0000-0x000000013FCB5000-memory.dmp

Filesize
84KB

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