latrodectus | 80f7accfb59a72d82e38922cd25caabec2f223dd570789fe70baf7bf28192f64

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
28-08-2024 11:31

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General

Target

update_eef80614.exe
Size

2.8MB
MD5

acf36a2df594ab9c5d62b3f119c474b5
SHA1

0f18ef518e7ed85accaac1bffd347953f0f46596
SHA256

80f7accfb59a72d82e38922cd25caabec2f223dd570789fe70baf7bf28192f64
SHA512

0478ca4fdd64447cf7f66cb20a2537c3959cecc05c0b5d38e043289bead7c1ae560aaa96a1acd07711c4e6f3a26194e66a987ad30e350005064acc989961879a
SSDEEP

24576:Q1DqrUzoecOL6ojp8wyXByS0DE2zj9A0rVfupK58gwJQodPH25dMR1uaCDi+jz0p:Q1xcOzNXyRxmE217WpK5mQo

Score

10^/10

latrodectus loader

Malware Config

Signatures

Detects Latrodectus 3 IoCs

Detects Latrodectus v1.4.

resource	yara_rule
behavioral1/memory/2536-1-0x0000000000080000-0x0000000000095000-memory.dmp	family_latrodectus_1_4
behavioral1/memory/2536-10-0x0000000000080000-0x0000000000095000-memory.dmp	family_latrodectus_1_4
behavioral1/memory/2424-12-0x00000000000F0000-0x0000000000105000-memory.dmp	family_latrodectus_1_4

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

Deletes itself 1 IoCs

pid	Process
2536	update_eef80614.exe

Executes dropped EXE 1 IoCs

pid	Process
2424	Update_4a9ce2cb.exe

Loads dropped DLL 2 IoCs

pid	Process
2536	update_eef80614.exe
2536	update_eef80614.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2536	update_eef80614.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2424	2536	update_eef80614.exe	30
PID 2536 wrote to memory of 2424	2536	update_eef80614.exe	30
PID 2536 wrote to memory of 2424	2536	update_eef80614.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\update_eef80614.exe
"C:\Users\Admin\AppData\Local\Temp\update_eef80614.exe"
1⤵
- Deletes itself
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Users\Admin\AppData\Roaming\Custom_update\Update_4a9ce2cb.exe
  "C:\Users\Admin\AppData\Roaming\Custom_update\Update_4a9ce2cb.exe"
  2⤵
  - Executes dropped EXE
  PID:2424

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_4a9ce2cb.exe

Filesize
2.8MB

MD5
acf36a2df594ab9c5d62b3f119c474b5

SHA1
0f18ef518e7ed85accaac1bffd347953f0f46596

SHA256
80f7accfb59a72d82e38922cd25caabec2f223dd570789fe70baf7bf28192f64

SHA512
0478ca4fdd64447cf7f66cb20a2537c3959cecc05c0b5d38e043289bead7c1ae560aaa96a1acd07711c4e6f3a26194e66a987ad30e350005064acc989961879a

Download Submit
memory/2424-12-0x00000000000F0000-0x0000000000105000-memory.dmp

Filesize
84KB

Download
memory/2536-1-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2536-0-0x0000000001FD0000-0x00000000020D5000-memory.dmp

Filesize
1.0MB

Download
memory/2536-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2536-9-0x000000013FF00000-0x00000001401CB000-memory.dmp

Filesize
2.8MB

Download