latrodectus | d843d0016164e7ee6f56e65683985981fb14093ed79fde8e664b308a43ff4e79

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
submitted
08/06/2024, 01:02

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General

Target
Latrodectus_final.bin.dll
Size 60KB
Sample240608-bdsfpsff98
SHA256 d843d0016164e7ee6f56e65683985981fb14093ed79fde8e664b308a43ff4e79
MD5 c92937c3724eb66de0011a363536e441
SHA1 9b72ed1bd2e7959d556f5705059326998aafd181
SHA512 9f57186382af5f817f4c4ff19d53912d8b28cda8e814e009974663d2e28518e03026438221d05a7feffd1991e80e2b989496bc9ffb91944ba89f6b749913e6c1
SSDEEP 768:coWfTLO3B5YC0YbwuRPv87BZILqSdE8TWz7MUshl0r/g:sfO3orNBZdGSMLUg
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

latrodectus loader

Malware Config

Extracted

Family

latrodectus

Version

https://scifimond.com/live/
https://drifajizo.fun/live/

Attributes

group
Littlehw
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/0x0008000000023438-3.dat	family_latrodectus_v2
behavioral2/memory/2644-1-0x00007FFE257E0000-0x00007FFE257F4000-memory.dmp	family_latrodectus_v2

Deletes itself 1 IoCs

pid	Process
2644	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
1512	rundll32.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2644	rundll32.exe
2644	rundll32.exe
2644	rundll32.exe
2644	rundll32.exe
1512	rundll32.exe
1512	rundll32.exe
1512	rundll32.exe
1512	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2644	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 1512	2644	rundll32.exe	81
PID 2644 wrote to memory of 1512	2644	rundll32.exe	81

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\Latrodectus_final.bin.dll,#1
1⤵
- Deletes itself
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Windows\system32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_8f829c84.dll", #1
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:1512

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_8f829c84.dll

Path C:\Users\Admin\AppData\Roaming\Custom_update\Update_8f829c84.dll
Size 60KB
SHA256 d843d0016164e7ee6f56e65683985981fb14093ed79fde8e664b308a43ff4e79
MD5 c92937c3724eb66de0011a363536e441
SHA1 9b72ed1bd2e7959d556f5705059326998aafd181
SHA512 9f57186382af5f817f4c4ff19d53912d8b28cda8e814e009974663d2e28518e03026438221d05a7feffd1991e80e2b989496bc9ffb91944ba89f6b749913e6c1
SSDEEP 768:coWfTLO3B5YC0YbwuRPv87BZILqSdE8TWz7MUshl0r/g:sfO3orNBZdGSMLUg
MD5 SHA1 SHA512 SSDEEP

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memory/2644-1-0x00007FFE257E0000-0x00007FFE257F4000-memory.dmp

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