latrodectus | 6ada7b6d8b6ddf3ebe61d3bf19e70bb5a2a9f22d871d217b1ade7c40c3aac088

Analysis

max time kernel
91s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-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
2668	FixSfp.exe

Executes dropped EXE 1 IoCs

pid	Process
2660	Update_b3058e3a.exe

Loads dropped DLL 1 IoCs

pid	Process
2668	FixSfp.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2668	FixSfp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2660	2668	FixSfp.exe	30
PID 2668 wrote to memory of 2660	2668	FixSfp.exe	30
PID 2668 wrote to memory of 2660	2668	FixSfp.exe	30

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
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Users\Admin\AppData\Roaming\Custom_update\Update_b3058e3a.exe
  "C:\Users\Admin\AppData\Roaming\Custom_update\Update_b3058e3a.exe"
  2⤵
  - Executes dropped EXE
  PID:2660

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_b3058e3a.exe

Filesize
1.1MB

MD5
c4738b7ee108e1cfd0619cf740f458e0

SHA1
01c40a43bdf3bb2edfa4b9aa039439a47e9edc6d

SHA256
6ada7b6d8b6ddf3ebe61d3bf19e70bb5a2a9f22d871d217b1ade7c40c3aac088

SHA512
4c4a68739593e02c3997905ab10e7492b64f288a39211a81797cadaf2432aa90f94874e83520bbb149810e04fdc0e401eac30d10402b5c5822887f3b9cbbf2cb

Download Submit
memory/2660-18-0x0000000036DF0000-0x0000000036E00000-memory.dmp

Filesize
64KB

Download
memory/2660-17-0x000007FEBCF50000-0x000007FEBCF60000-memory.dmp

Filesize
64KB

Download
memory/2660-16-0x00000000FF4C0000-0x00000000FF4D0000-memory.dmp

Filesize
64KB

Download
memory/2668-0-0x0000000076E06000-0x0000000076E07000-memory.dmp

Filesize
4KB

Download
memory/2668-1-0x00000000FF900000-0x00000000FF910000-memory.dmp

Filesize
64KB

Download
memory/2668-3-0x0000000036DF0000-0x0000000036E00000-memory.dmp

Filesize
64KB

Download
memory/2668-2-0x000007FEBCF50000-0x000007FEBCF60000-memory.dmp

Filesize
64KB

Download
memory/2668-5-0x0000000076DF0000-0x0000000076F0F000-memory.dmp

Filesize
1.1MB

Download
memory/2668-4-0x0000000140000000-0x0000000141CB2000-memory.dmp

Filesize
28.7MB

Download
memory/2668-19-0x0000000076DF0000-0x0000000076F0F000-memory.dmp

Filesize
1.1MB

Download
memory/2668-15-0x000000013F8C0000-0x000000013F9E1000-memory.dmp

Filesize
1.1MB

Download