latrodectus | 9645a12079edffd20560d4631160a6052ae5728d6f73b7366588166ad281c534

Analysis

max time kernel
94s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
submitted
09/07/2024, 01:53

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General

Target
9645a12079edffd20560d4631160a6052ae5728d6f73b7366588166ad281c534.dll
Size 60KB
Sample240709-cbdp7ssfnh
SHA256 9645a12079edffd20560d4631160a6052ae5728d6f73b7366588166ad281c534
MD5 d46476f7f27be8ef618b7646a46f5e66
SHA1 8219d1ead31d16f6380941827bf96a488453d5c0
SHA512 8efba2b2cb757decc55c7b2aedb1a7b2645d95ddb22087f20d713456bfb6d09b90779370e7c8d8e567d22d8e96d7239f9b65152c6879cbdf9258cf02f690c7a0
SSDEEP 768:f0Io0O99dyyus8GhrFuNtxv4c/HFGKndcHrqzwzv1NTNaTWsyih:caO9qyVNKv4c/HFGLlzvi
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

latrodectus loader

Malware Config

Extracted

Family

latrodectus

Version

https://winarkamaps.com/live/
https://stratimasesstr.com/live/

Attributes

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

Signatures

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

Detect larodectus Loader variant 2 2 IoCs

loader

resource	yara_rule
behavioral2/files/0x00080000000234d9-3.dat	family_latrodectus_v2
behavioral2/memory/2208-2-0x00007FFAA4010000-0x00007FFAA4024000-memory.dmp	family_latrodectus_v2

Deletes itself 1 IoCs

pid	Process
2208	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
2504	rundll32.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2504	rundll32.exe
2504	rundll32.exe
2504	rundll32.exe
2504	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2208	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2504	2208	rundll32.exe	82
PID 2208 wrote to memory of 2504	2208	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\9645a12079edffd20560d4631160a6052ae5728d6f73b7366588166ad281c534.dll,#1
1⤵
- Deletes itself
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Windows\system32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_d0568bb5.dll", #1
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:2504

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_d0568bb5.dll

Path C:\Users\Admin\AppData\Roaming\Custom_update\Update_d0568bb5.dll
Size 60KB
SHA256 9645a12079edffd20560d4631160a6052ae5728d6f73b7366588166ad281c534
MD5 d46476f7f27be8ef618b7646a46f5e66
SHA1 8219d1ead31d16f6380941827bf96a488453d5c0
SHA512 8efba2b2cb757decc55c7b2aedb1a7b2645d95ddb22087f20d713456bfb6d09b90779370e7c8d8e567d22d8e96d7239f9b65152c6879cbdf9258cf02f690c7a0
SSDEEP 768:f0Io0O99dyyus8GhrFuNtxv4c/HFGKndcHrqzwzv1NTNaTWsyih:caO9qyVNKv4c/HFGLlzvi
MD5 SHA1 SHA512 SSDEEP

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memory/2208-2-0x00007FFAA4010000-0x00007FFAA4024000-memory.dmp

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