latrodectus | 2f3dd9fe96b27664d4ac558c6c538f59a04db5a3f7d1923b83473b5f7603d187

Analysis

max time kernel
147s
max time network
152s
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/1684-0-0x0000000001D20000-0x0000000001D34000-memory_unmapped.dll
Size 80KB
Sample240408-aj39qaba64
SHA256 5edc39cbd89d3ba70a4737f823933af93f3c182134af8e34e0af9a316afaaca8
MD5 3553028b63b5608c0aff42b067977b7e
SHA1 fb1354c019ec345144e26aebfc3cf6f3a6a0a8d2
SHA512 6f0d89dedd62cecc62b06ee21b818aa16706b40f3133aaba2967bef944299285056bc17f915a777468ad1cba455cc41f6d3e09850684b24996715097c77d05e9
SSDEEP 768:0oWfTLO3B5YC0YbGuRPv87BZILqSdE8TWz7MUYqw8:UfO3ornBZdGSMNy
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

latrodectus loader

Malware Config

Extracted

Family

latrodectus

https://aytobusesre.com/live/
https://scifimond.com/live/

Signatures

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

Detect larodectus Loader variant 2 2 IoCs

loader

resource	yara_rule
behavioral6/files/0x00080000000231fc-3.dat	family_latrodectus_v2
behavioral6/memory/3124-1-0x0000000059050000-0x0000000059064000-memory.dmp	family_latrodectus_v2

Deletes itself 1 IoCs

pid	Process
3124	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
5088	rundll32.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3124	rundll32.exe
3124	rundll32.exe
3124	rundll32.exe
3124	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3124	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3124 wrote to memory of 5088	3124	rundll32.exe	85
PID 3124 wrote to memory of 5088	3124	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\1684-0-0x0000000001D20000-0x0000000001D34000-memory_unmapped.dll,#1
1⤵
- Deletes itself
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3124
- C:\Windows\system32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_dcb32c2b.dll", #1
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:5088

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_dcb32c2b.dll

Path C:\Users\Admin\AppData\Roaming\Custom_update\Update_dcb32c2b.dll
Size 80KB
SHA256 5edc39cbd89d3ba70a4737f823933af93f3c182134af8e34e0af9a316afaaca8
MD5 3553028b63b5608c0aff42b067977b7e
SHA1 fb1354c019ec345144e26aebfc3cf6f3a6a0a8d2
SHA512 6f0d89dedd62cecc62b06ee21b818aa16706b40f3133aaba2967bef944299285056bc17f915a777468ad1cba455cc41f6d3e09850684b24996715097c77d05e9
SSDEEP 768:0oWfTLO3B5YC0YbGuRPv87BZILqSdE8TWz7MUYqw8:UfO3ornBZdGSMNy
MD5 SHA1 SHA512 SSDEEP

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memory/3124-1-0x0000000059050000-0x0000000059064000-memory.dmp

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