latrodectus | 6ca8800c6d3cd512e7ae72e1262408f7e00c1df0e50fd468b63d09c52835824e

Analysis

max time kernel
140s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
06-02-2025 19:31

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General

Target

UpdaterTag.dll
Size

72KB
MD5

bcdf04fb5b921b898389482400e39187
SHA1

f5284c8a66b7b5202547515fe34c3c5294620dd5
SHA256

6ca8800c6d3cd512e7ae72e1262408f7e00c1df0e50fd468b63d09c52835824e
SHA512

0b2100b57bb438c9aecdcb27f345614e89ba13a8271474b834af67afae6b316c4df93ad55ecf4b44b96e1c08a45ad6609313b84ef75af6530843a1ca7574c758
SSDEEP

1536:Tzh7eO6hHRCWqBfml4I6z5If8IM4Ny9KW:Tzh7WZIWWfmlAIkIM4YKW

Score

10^/10

latrodectus loader

Malware Config

Extracted

Family

latrodectus

Version

1.4

https://vivaforevew.com/test/

https://wersogkiwgow.com/test/

Attributes

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

aes.hex

Signatures

Detects Latrodectus 2 IoCs

Detects Latrodectus v1.4.

resource	yara_rule
behavioral2/memory/2384-1-0x00007FFAE7C60000-0x00007FFAE7C76000-memory.dmp	family_latrodectus_1_4
behavioral2/files/0x0007000000023c68-3.dat	family_latrodectus_1_4

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

Deletes itself 1 IoCs

pid	Process
2384	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
1364	rundll32.exe
3636	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2384	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 1364	2384	rundll32.exe	86
PID 2384 wrote to memory of 1364	2384	rundll32.exe	86

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\UpdaterTag.dll,#1
1⤵
- Deletes itself
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\system32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_296e0974.dll", #1
  2⤵
  - Loads dropped DLL
  PID:1364

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_296e0974.dll", #1
1⤵
- Loads dropped DLL
PID:3636

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_296e0974.dll

Filesize
72KB

MD5
bcdf04fb5b921b898389482400e39187

SHA1
f5284c8a66b7b5202547515fe34c3c5294620dd5

SHA256
6ca8800c6d3cd512e7ae72e1262408f7e00c1df0e50fd468b63d09c52835824e

SHA512
0b2100b57bb438c9aecdcb27f345614e89ba13a8271474b834af67afae6b316c4df93ad55ecf4b44b96e1c08a45ad6609313b84ef75af6530843a1ca7574c758

Download Submit
memory/2384-1-0x00007FFAE7C60000-0x00007FFAE7C76000-memory.dmp

Filesize
88KB

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