latrodectus | 28c6de9c144ca4ba5977e0cd74526dcc45136d2f0dc1fe6254e4a825a0b8e9d0

Analysis

max time kernel
129s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
submitted
28-08-2024 12:21

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General

Target

UpdaterTag.dll
Size

75KB
MD5

cd4f5c68efd8893cc61d5156675f590e
SHA1

73a09e58189ac58bccec8e83160b74d040a116af
SHA256

28c6de9c144ca4ba5977e0cd74526dcc45136d2f0dc1fe6254e4a825a0b8e9d0
SHA512

83dd39f0c7c658ac8b568df358916f83bf8d73b90bf307a3ebbcd698a14b9deeb5d163ea9bdffa6a0ad05b2cb3463166397629e4066d45ca63586ac5f3593106
SSDEEP

1536:Czh6zOxemv7NGgkDcUiTf8Py0JxdY03L:Czh6gJGgkDekPykxL

Score

10^/10

latrodectus loader

Malware Config

Extracted

Family

latrodectus

https://rofleratom.com/test/

https://wersolinsor.com/test/

Signatures

Detects Latrodectus 2 IoCs

Detects Latrodectus v1.4.

resource	yara_rule
behavioral2/files/0x00080000000233b9-1.dat	family_latrodectus_1_4
behavioral2/memory/1812-2-0x00007FFABD580000-0x00007FFABD596000-memory.dmp	family_latrodectus_1_4

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

Deletes itself 1 IoCs

pid	Process
1812	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
2296	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1812	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1812 wrote to memory of 2296	1812	rundll32.exe	83
PID 1812 wrote to memory of 2296	1812	rundll32.exe	83

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:1812
- C:\Windows\system32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_3a30e489.dll", #1
  2⤵
  - Loads dropped DLL
  PID:2296

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_3a30e489.dll

Filesize
75KB

MD5
cd4f5c68efd8893cc61d5156675f590e

SHA1
73a09e58189ac58bccec8e83160b74d040a116af

SHA256
28c6de9c144ca4ba5977e0cd74526dcc45136d2f0dc1fe6254e4a825a0b8e9d0

SHA512
83dd39f0c7c658ac8b568df358916f83bf8d73b90bf307a3ebbcd698a14b9deeb5d163ea9bdffa6a0ad05b2cb3463166397629e4066d45ca63586ac5f3593106

Download Submit
memory/1812-2-0x00007FFABD580000-0x00007FFABD596000-memory.dmp

Filesize
88KB

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