latrodectus | a1e74120c32162d18c0245a8390360e9b63a11887e396c270e0ed35296952598

Analysis

max time kernel
66s
max time network
53s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
26-04-2024 14:28

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General

Target

embedded_latrodectus.dll
Size

61KB
MD5

277c879bba623c8829090015437e002b
SHA1

897c609bbee39144798b400525bf8f59a51c2ff1
SHA256

a1e74120c32162d18c0245a8390360e9b63a11887e396c270e0ed35296952598
SHA512

5a4ec48004c84c29ed07af3cb8b9c2a82297e787ae0d3b41a208de62f06dd383ac1187d12d0bf4b4d2a9268f28bbe3f430043be99d44d8b71a5135c05f89162f
SSDEEP

768:+i0IIO99dKJKbAgQVuyQw4n4mjlQmLvniWiMfDeDvhHImz:ipO9CJKrQF4n4mjltqTMKD5H

Score

10^/10

latrodectus loader

Malware Config

Extracted

Family

latrodectus

https://titnovacrion.top/live/

https://skinnyjeanso.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
behavioral2/files/0x000b000000023b7b-2.dat	family_latrodectus_v2
behavioral2/memory/3664-1-0x00007FFF8BBB0000-0x00007FFF8BBC4000-memory.dmp	family_latrodectus_v2

Deletes itself 1 IoCs

pid	Process
3664	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
3608	rundll32.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3664	rundll32.exe
3664	rundll32.exe
3664	rundll32.exe
3664	rundll32.exe
3608	rundll32.exe
3608	rundll32.exe
3608	rundll32.exe
3608	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3664	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3664 wrote to memory of 3608	3664	rundll32.exe	84
PID 3664 wrote to memory of 3608	3664	rundll32.exe	84

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 C:\Users\Admin\AppData\Local\Temp\embedded_latrodectus.dll, scub
1⤵
- Deletes itself
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3664
- C:\Windows\system32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_9400da51.dll", scub
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:3608

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_9400da51.dll

Filesize
61KB

MD5
277c879bba623c8829090015437e002b

SHA1
897c609bbee39144798b400525bf8f59a51c2ff1

SHA256
a1e74120c32162d18c0245a8390360e9b63a11887e396c270e0ed35296952598

SHA512
5a4ec48004c84c29ed07af3cb8b9c2a82297e787ae0d3b41a208de62f06dd383ac1187d12d0bf4b4d2a9268f28bbe3f430043be99d44d8b71a5135c05f89162f

Download Submit
memory/3664-1-0x00007FFF8BBB0000-0x00007FFF8BBC4000-memory.dmp

Filesize
80KB

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