latrodectus | 719e19ead52a80b15bf887f3b9a6ab6d50c15d026766db41302c5e4b12949295

Analysis

max time kernel
594s
max time network
423s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2025 18:16

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General

Target

719e19ead52a80b15bf887f3b9a6ab6d50c15d026766db41302c5e4b12949295.dll
Size

72KB
MD5

cff9d6bc7a7fa11284f260cd7c46d974
SHA1

6af33a6c0258b4c72d566a67fa033e2e0b61513e
SHA256

719e19ead52a80b15bf887f3b9a6ab6d50c15d026766db41302c5e4b12949295
SHA512

e429d0712be34312da98d23bdbb848f92a226e9151b9a8b70608da844e192fdc4285982668d18aab6955b3ce0a8e0647348c32a553b3d65188f959cbbb1b364c
SSDEEP

1536:czhhNZ0O/Zs2M+RBHA8X6jK4meixMRdgf8QQhIJoT1s:czhhPJZM+08X6jKZZMjgkQQhIAi

Score

10^/10

latrodectus loader

Malware Config

Extracted

Family

latrodectus

Version

1.4

https://piloferstaf.com/test/

https://ypredoninen.com/test/

Attributes

group
Sigma
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
behavioral1/memory/3312-3-0x00007FFA654A0000-0x00007FFA654B6000-memory.dmp	family_latrodectus_1_4
behavioral1/files/0x0009000000023c68-2.dat	family_latrodectus_1_4

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

Blocklisted process makes network request 2 IoCs

flow	pid	Process
22	2400	rundll32.exe
24	2400	rundll32.exe

Deletes itself 1 IoCs

pid	Process
3312	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2400	rundll32.exe
3016	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3312	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3312 wrote to memory of 2400	3312	rundll32.exe	82
PID 3312 wrote to memory of 2400	3312	rundll32.exe	82

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\719e19ead52a80b15bf887f3b9a6ab6d50c15d026766db41302c5e4b12949295.dll,#1
1⤵
- Deletes itself
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3312
- C:\Windows\system32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_13534616.dll", #1
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  PID:2400

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_13534616.dll", #1
1⤵
- Loads dropped DLL
PID:3016

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_13534616.dll

Filesize
72KB

MD5
cff9d6bc7a7fa11284f260cd7c46d974

SHA1
6af33a6c0258b4c72d566a67fa033e2e0b61513e

SHA256
719e19ead52a80b15bf887f3b9a6ab6d50c15d026766db41302c5e4b12949295

SHA512
e429d0712be34312da98d23bdbb848f92a226e9151b9a8b70608da844e192fdc4285982668d18aab6955b3ce0a8e0647348c32a553b3d65188f959cbbb1b364c

Download Submit
memory/3312-3-0x00007FFA654A0000-0x00007FFA654B6000-memory.dmp

Filesize
88KB

Download