latrodectus | 2f3dd9fe96b27664d4ac558c6c538f59a04db5a3f7d1923b83473b5f7603d187

Analysis

max time kernel
93s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/04/2024, 00:15

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General

Target
lact/1364-1-0x0000020751220000-0x0000020751234000-memory_unmapped.dll
Size 80KB
Sample240408-aj39qaba64
SHA256 5562c6ad5765792def276e009395a57a6bf841c87cddefb6f8e8d75b74076e83
MD5 7a1a48e5526e096dad8a155bd009ea94
SHA1 90c423f7af788937665fb7c28dc03468be15b064
SHA512 dd7c9fd8b6bc84ffec49aac30c5d060ee34d05bee6a5b21ea90bcf1547d10f7cd2fc20bdf0efc4848ec2bd8d0cc448c332192e00bd2113c3f312124516c514e8
SSDEEP 768:ai0IIO99dKJKbAoQVuyQw4n4mjlQmLvniWiMfDeDvf1v:WpO9CJKjQF4n4mjltqTMKD1
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

latrodectus loader

Malware Config

Extracted

Family

latrodectus

https://titnovacrion.top/live/
https://grunzalom.fun/live/

Signatures

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

Detect larodectus Loader variant 2 2 IoCs

loader

resource	yara_rule
behavioral2/files/0x0007000000023219-3.dat	family_latrodectus_v2
behavioral2/memory/2052-2-0x00007FFAA3BC0000-0x00007FFAA3BD4000-memory.dmp	family_latrodectus_v2

Deletes itself 1 IoCs

pid	Process
2052	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
4244	rundll32.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2052	rundll32.exe
2052	rundll32.exe
2052	rundll32.exe
2052	rundll32.exe
4244	rundll32.exe
4244	rundll32.exe
4244	rundll32.exe
4244	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2052	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2052 wrote to memory of 4244	2052	rundll32.exe	85
PID 2052 wrote to memory of 4244	2052	rundll32.exe	85

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\lact\1364-1-0x0000020751220000-0x0000020751234000-memory_unmapped.dll,#1
1⤵
- Deletes itself
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2052
- C:\Windows\system32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_f70fbdc2.dll", #1
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:4244

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_f70fbdc2.dll

Path C:\Users\Admin\AppData\Roaming\Custom_update\Update_f70fbdc2.dll
Size 80KB
SHA256 5562c6ad5765792def276e009395a57a6bf841c87cddefb6f8e8d75b74076e83
MD5 7a1a48e5526e096dad8a155bd009ea94
SHA1 90c423f7af788937665fb7c28dc03468be15b064
SHA512 dd7c9fd8b6bc84ffec49aac30c5d060ee34d05bee6a5b21ea90bcf1547d10f7cd2fc20bdf0efc4848ec2bd8d0cc448c332192e00bd2113c3f312124516c514e8
SSDEEP 768:ai0IIO99dKJKbAoQVuyQw4n4mjlQmLvniWiMfDeDvf1v:WpO9CJKjQF4n4mjltqTMKD1
MD5 SHA1 SHA512 SSDEEP

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memory/2052-2-0x00007FFAA3BC0000-0x00007FFAA3BD4000-memory.dmp

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