latrodectus | b1bd09509b474c5e4d8a652e27dfd37113ee64a238e696dd25d4c9a78f4c9b26

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-02-2025 20:56

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General

Target

018150d42eef2a004821b1ae6242a1daaeb122786b6ba4c5437f45390ccb7cd1.exe
Size

8.8MB
MD5

028903c61dc62459f4241124b7ce3e8d
SHA1

65beb2be5d0cac1f246f43dfe3bbfd2124919137
SHA256

018150d42eef2a004821b1ae6242a1daaeb122786b6ba4c5437f45390ccb7cd1
SHA512

fc616aad411d0dafdde18b2b9dd78978cfe3cb10fc7932928eed528b16a425d96f82b995cdb3c3258370c5a25402eaf5220e6d2e39a52fafb95ab68fd2dc5a00
SSDEEP

196608:7cC8osdUCWzpt8iSjiTF6pS7MO8Q6gLawggMNr2ieZMpbfn:7clFPWzpt8iSqopS7MO8Q6gLawOyiQM5

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

Extracted

Family

latrodectus

aes.hex

Signatures

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

Deletes itself 1 IoCs

pid	Process
2828	018150d42eef2a004821b1ae6242a1daaeb122786b6ba4c5437f45390ccb7cd1.exe

Executes dropped EXE 2 IoCs

pid	Process
2672	Update_974db905.exe
2604	Update_974db905.exe

Loads dropped DLL 1 IoCs

pid	Process
2828	018150d42eef2a004821b1ae6242a1daaeb122786b6ba4c5437f45390ccb7cd1.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2828	018150d42eef2a004821b1ae6242a1daaeb122786b6ba4c5437f45390ccb7cd1.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2828 wrote to memory of 2672	2828	018150d42eef2a004821b1ae6242a1daaeb122786b6ba4c5437f45390ccb7cd1.exe	30
PID 2828 wrote to memory of 2672	2828	018150d42eef2a004821b1ae6242a1daaeb122786b6ba4c5437f45390ccb7cd1.exe	30
PID 2828 wrote to memory of 2672	2828	018150d42eef2a004821b1ae6242a1daaeb122786b6ba4c5437f45390ccb7cd1.exe	30
PID 2940 wrote to memory of 2604	2940	taskeng.exe	32
PID 2940 wrote to memory of 2604	2940	taskeng.exe	32
PID 2940 wrote to memory of 2604	2940	taskeng.exe	32

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\018150d42eef2a004821b1ae6242a1daaeb122786b6ba4c5437f45390ccb7cd1.exe
"C:\Users\Admin\AppData\Local\Temp\018150d42eef2a004821b1ae6242a1daaeb122786b6ba4c5437f45390ccb7cd1.exe"
1⤵
- Deletes itself
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2828
- C:\Users\Admin\AppData\Roaming\Custom_update\Update_974db905.exe
  "C:\Users\Admin\AppData\Roaming\Custom_update\Update_974db905.exe"
  2⤵
  - Executes dropped EXE
  PID:2672

C:\Windows\system32\taskeng.exe
taskeng.exe {A223DE30-579A-4012-B3EA-13594DEAD95C} S-1-5-21-312935884-697965778-3955649944-1000:MXQFNXLT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2940
- C:\Users\Admin\AppData\Roaming\Custom_update\Update_974db905.exe
  C:\Users\Admin\AppData\Roaming\Custom_update\Update_974db905.exe
  2⤵
  - Executes dropped EXE
  PID:2604

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

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Downloads

C:\Users\Admin\AppData\Roaming\Custom_update\Update_974db905.exe

Filesize
8.8MB

MD5
028903c61dc62459f4241124b7ce3e8d

SHA1
65beb2be5d0cac1f246f43dfe3bbfd2124919137

SHA256
018150d42eef2a004821b1ae6242a1daaeb122786b6ba4c5437f45390ccb7cd1

SHA512
fc616aad411d0dafdde18b2b9dd78978cfe3cb10fc7932928eed528b16a425d96f82b995cdb3c3258370c5a25402eaf5220e6d2e39a52fafb95ab68fd2dc5a00

Download Submit
memory/2828-1-0x0000000140000000-0x0000000141CB2000-memory.dmp

Filesize
28.7MB

Download
memory/2828-5-0x00000000026C0000-0x0000000004370000-memory.dmp

Filesize
28.7MB

Download
memory/2828-10-0x000000013F030000-0x000000013F955000-memory.dmp

Filesize
9.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads