latrodectus | d7056dfce17c0f4c51d35bd23eca5eedd591f35a7ca468d5aa1e42e7f08fbef2

Resubmissions

05-04-2024 15:25

240405-stqqgsfe7x 10

13-02-2024 16:39

240213-t6fxgsda8t 7

Analysis

max time kernel
93s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05-04-2024 15:25

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General

Target

launcher.bat
Size

63B
MD5

b066c4ebb5f39accd5a6eb80ccee2f25
SHA1

5ff88f73cad56d8661d6f4a47beb5a16da6b4427
SHA256

f3ed0a55060a4f97226595d97930985fa34f013b559687914b2ad951a722d7ff
SHA512

9a0324717582363e8525d40cae44554baed37feb34022e19b68a2538f29c13c1dd8b206b52f70ce649d847029dd78a9c0192c54cf2c48b3e45efcb57cf69249d

Score

10^/10

latrodectus loader

Malware Config

Extracted

Family

latrodectus

https://plwskoret.top/live/

https://miistoria.com/live/

Signatures

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

Detect larodectus Loader variant 1 4 IoCs

loader

resource	yara_rule
behavioral2/memory/2312-0-0x000001BC4AD90000-0x000001BC4ADA3000-memory.dmp	family_latrodectus_v1
behavioral2/memory/3952-6-0x000001D97E2D0000-0x000001D97E2E3000-memory.dmp	family_latrodectus_v1
behavioral2/memory/2312-5-0x000001BC4AD90000-0x000001BC4ADA3000-memory.dmp	family_latrodectus_v1
behavioral2/memory/3952-7-0x000001D97E2D0000-0x000001D97E2E3000-memory.dmp	family_latrodectus_v1

Loads dropped DLL 1 IoCs

pid	Process
3952	rundll32.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2312	rundll32.exe
2312	rundll32.exe
2312	rundll32.exe
2312	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4524 wrote to memory of 2312	4524	cmd.exe	87
PID 4524 wrote to memory of 2312	4524	cmd.exe	87
PID 2312 wrote to memory of 3952	2312	rundll32.exe	88
PID 2312 wrote to memory of 3952	2312	rundll32.exe	88

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\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\launcher.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4524
- C:\Windows\system32\rundll32.exe
  rundll32.exe setordinal.dll,bhuf
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2312
- - C:\Windows\system32\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_9729806f.dll", bhuf
    3⤵
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    PID:3952

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_9729806f.dll

Filesize
1.7MB

MD5
50a91559fab7869d51c0a7727c47a783

SHA1
a232ec9f822c82d72f5c2b6e0e240680d18ef6ff

SHA256
378d220bc863a527c2bca204daba36f10358e058df49ef088f8b1045604d9d05

SHA512
878cd8c05a28117be8036cc0631fffc1b3407dd76cacb0d48e44e6f925b08237148f69e136d8fbb6d760bc6b29f537156e0ca10e23f405cd9dcc53bdca88eeb3

Download Submit
memory/2312-0-0x000001BC4AD90000-0x000001BC4ADA3000-memory.dmp

Filesize
76KB

Download
memory/2312-3-0x0000000180000000-0x00000001801C2000-memory.dmp

Filesize
1.8MB

Download
memory/2312-5-0x000001BC4AD90000-0x000001BC4ADA3000-memory.dmp

Filesize
76KB

Download
memory/3952-6-0x000001D97E2D0000-0x000001D97E2E3000-memory.dmp

Filesize
76KB

Download
memory/3952-7-0x000001D97E2D0000-0x000001D97E2E3000-memory.dmp

Filesize
76KB

Download