latrodectus | 6ada7b6d8b6ddf3ebe61d3bf19e70bb5a2a9f22d871d217b1ade7c40c3aac088

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29/01/2025, 17:57

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General

Target

FixSfp.exe
Size

1.1MB
MD5

c4738b7ee108e1cfd0619cf740f458e0
SHA1

01c40a43bdf3bb2edfa4b9aa039439a47e9edc6d
SHA256

6ada7b6d8b6ddf3ebe61d3bf19e70bb5a2a9f22d871d217b1ade7c40c3aac088
SHA512

4c4a68739593e02c3997905ab10e7492b64f288a39211a81797cadaf2432aa90f94874e83520bbb149810e04fdc0e401eac30d10402b5c5822887f3b9cbbf2cb
SSDEEP

24576:xFdIR2uJMaFHaNfZq8gGl6kyhyjIVQGu7DTYHeNYiDXnYgU8:xko6MaFPE6kRjIVQG4Ds+aJm

Score

10^/10

latrodectus loader

Malware Config

Extracted

Family

latrodectus

Version

1.4

https://piloferstaf.com/test/

https://ypredoninen.com/test/

Attributes

group
Sigma
user_agent
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Tob 1.1)

aes.hex

Signatures

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

Deletes itself 1 IoCs

pid	Process
5032	FixSfp.exe

Executes dropped EXE 1 IoCs

pid	Process
2204	Update_a16a60c9.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
5032	FixSfp.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5032 wrote to memory of 2204	5032	FixSfp.exe	82
PID 5032 wrote to memory of 2204	5032	FixSfp.exe	82

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:\Users\Admin\AppData\Local\Temp\FixSfp.exe
"C:\Users\Admin\AppData\Local\Temp\FixSfp.exe"
1⤵
- Deletes itself
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:5032
- C:\Users\Admin\AppData\Roaming\Custom_update\Update_a16a60c9.exe
  "C:\Users\Admin\AppData\Roaming\Custom_update\Update_a16a60c9.exe"
  2⤵
  - Executes dropped EXE
  PID:2204

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_a16a60c9.exe

Filesize
1.1MB

MD5
c4738b7ee108e1cfd0619cf740f458e0

SHA1
01c40a43bdf3bb2edfa4b9aa039439a47e9edc6d

SHA256
6ada7b6d8b6ddf3ebe61d3bf19e70bb5a2a9f22d871d217b1ade7c40c3aac088

SHA512
4c4a68739593e02c3997905ab10e7492b64f288a39211a81797cadaf2432aa90f94874e83520bbb149810e04fdc0e401eac30d10402b5c5822887f3b9cbbf2cb

Download Submit
memory/2204-16-0x00007FF8A9FE0000-0x00007FF8A9FF0000-memory.dmp

Filesize
64KB

Download
memory/2204-15-0x00007FF62F260000-0x00007FF62F270000-memory.dmp

Filesize
64KB

Download
memory/5032-2-0x00007FF8E9FAA000-0x00007FF8E9FAB000-memory.dmp

Filesize
4KB

Download
memory/5032-1-0x00007FF8A9FE0000-0x00007FF8A9FF0000-memory.dmp

Filesize
64KB

Download
memory/5032-0-0x00007FF6B9240000-0x00007FF6B9250000-memory.dmp

Filesize
64KB

Download
memory/5032-5-0x00007FF8E9F80000-0x00007FF8EA249000-memory.dmp

Filesize
2.8MB

Download
memory/5032-3-0x0000000140000000-0x0000000141CB2000-memory.dmp

Filesize
28.7MB

Download
memory/5032-17-0x00007FF8E9F80000-0x00007FF8EA249000-memory.dmp

Filesize
2.8MB

Download
memory/5032-13-0x00007FF6F9200000-0x00007FF6F9321000-memory.dmp

Filesize
1.1MB

Download