latrodectus | 877925b41dad686c247e309ae0059db79ecf44185ae52ceeb20bfef6d73689fa

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/09/2024, 13:41

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General

Target

877925b41dad686c247e309ae0059db79ecf44185ae52ceeb20bfef6d73689fa.exe
Size

3.5MB
MD5

e0768a6da09a16c08b60ffbfa874a2a5
SHA1

8b2db9fafb8069486d01943847ece90d49cf8fc2
SHA256

877925b41dad686c247e309ae0059db79ecf44185ae52ceeb20bfef6d73689fa
SHA512

5daef2dd43e288fda8dfa88ada672ff5baf155058fecda1fb13e60f2d39cde70a99fae4064ec16e3783f663a93b84b3fdb2a7dcf20809a16794c17b0ab0509d9
SSDEEP

49152:nAil1zLyAEOAvKtNFZhMo3UAHe8SGz8OYKSgFVDzOWTniN+GQeCUYdCRGkSCLcnq:n9MAgcjZhmKLnzdr8CUycSCLcnq

Score

10^/10

latrodectus loader

Malware Config

Signatures

Detects Latrodectus 5 IoCs

Detects Latrodectus v1.4.

resource	yara_rule
behavioral1/memory/2888-0-0x0000000000200000-0x0000000000216000-memory.dmp	family_latrodectus_1_4
behavioral1/memory/2888-1-0x0000000000200000-0x0000000000216000-memory.dmp	family_latrodectus_1_4
behavioral1/memory/2888-8-0x0000000000200000-0x0000000000216000-memory.dmp	family_latrodectus_1_4
behavioral1/memory/780-9-0x0000000000190000-0x00000000001A6000-memory.dmp	family_latrodectus_1_4
behavioral1/memory/780-11-0x0000000000190000-0x00000000001A6000-memory.dmp	family_latrodectus_1_4

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

Deletes itself 1 IoCs

pid	Process
2888	877925b41dad686c247e309ae0059db79ecf44185ae52ceeb20bfef6d73689fa.exe

Executes dropped EXE 3 IoCs

pid	Process
780	Update_122aef39.exe
2752	Update_122aef39.exe
1144	Process not Found

Loads dropped DLL 2 IoCs

pid	Process
2888	877925b41dad686c247e309ae0059db79ecf44185ae52ceeb20bfef6d73689fa.exe
1144	Process not Found

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2888	877925b41dad686c247e309ae0059db79ecf44185ae52ceeb20bfef6d73689fa.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 780	2888	877925b41dad686c247e309ae0059db79ecf44185ae52ceeb20bfef6d73689fa.exe	31
PID 2888 wrote to memory of 780	2888	877925b41dad686c247e309ae0059db79ecf44185ae52ceeb20bfef6d73689fa.exe	31
PID 2888 wrote to memory of 780	2888	877925b41dad686c247e309ae0059db79ecf44185ae52ceeb20bfef6d73689fa.exe	31
PID 2172 wrote to memory of 2752	2172	taskeng.exe	33
PID 2172 wrote to memory of 2752	2172	taskeng.exe	33
PID 2172 wrote to memory of 2752	2172	taskeng.exe	33

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\877925b41dad686c247e309ae0059db79ecf44185ae52ceeb20bfef6d73689fa.exe
"C:\Users\Admin\AppData\Local\Temp\877925b41dad686c247e309ae0059db79ecf44185ae52ceeb20bfef6d73689fa.exe"
1⤵
- Deletes itself
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Users\Admin\AppData\Roaming\Custom_update\Update_122aef39.exe
  "C:\Users\Admin\AppData\Roaming\Custom_update\Update_122aef39.exe"
  2⤵
  - Executes dropped EXE
  PID:780

C:\Windows\system32\taskeng.exe
taskeng.exe {6F6B3706-093A-4516-AC46-FFAE8BD34F2D} S-1-5-21-3533259084-2542256011-65585152-1000:XPAJOTIY\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Users\Admin\AppData\Roaming\Custom_update\Update_122aef39.exe
  C:\Users\Admin\AppData\Roaming\Custom_update\Update_122aef39.exe
  2⤵
  - Executes dropped EXE
  PID:2752

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

\Users\Admin\AppData\Roaming\Custom_update\Update_122aef39.exe

Filesize
3.5MB

MD5
e0768a6da09a16c08b60ffbfa874a2a5

SHA1
8b2db9fafb8069486d01943847ece90d49cf8fc2

SHA256
877925b41dad686c247e309ae0059db79ecf44185ae52ceeb20bfef6d73689fa

SHA512
5daef2dd43e288fda8dfa88ada672ff5baf155058fecda1fb13e60f2d39cde70a99fae4064ec16e3783f663a93b84b3fdb2a7dcf20809a16794c17b0ab0509d9

Download Submit
memory/780-9-0x0000000000190000-0x00000000001A6000-memory.dmp

Filesize
88KB

Download
memory/780-11-0x0000000000190000-0x00000000001A6000-memory.dmp

Filesize
88KB

Download
memory/2888-0-0x0000000000200000-0x0000000000216000-memory.dmp

Filesize
88KB

Download
memory/2888-1-0x0000000000200000-0x0000000000216000-memory.dmp

Filesize
88KB

Download
memory/2888-8-0x0000000000200000-0x0000000000216000-memory.dmp

Filesize
88KB

Download
memory/2888-7-0x0000000140000000-0x0000000140394000-memory.dmp

Filesize
3.6MB

Download