latrodectus | 2114aefe4d9460c04028d45b0f41ca9c65cea365727fda0fd2a885222c87db3c

Analysis

max time kernel
504s
max time network
892s
platform
windows10-1703_x64
resource
win10-20240611-en
resource tags

arch:x64arch:x86image:win10-20240611-enlocale:en-usos:windows10-1703-x64system
submitted
22-08-2024 15:00

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General

Target

check.exe
Size

2.3MB
MD5

1f3d6134710193f7d4d1e864d5e6b362
SHA1

538a93f3103e461906f783210c08cb1a4708a438
SHA256

2114aefe4d9460c04028d45b0f41ca9c65cea365727fda0fd2a885222c87db3c
SHA512

85a9d0906d57b276ae8eedc6f7a3a8b109c7c68e1e7805f5ab3a5fa26c09e80cdf786e71e1e6f7d03479d7510393aa8710ae969847285900e7b5fbd44343fffc
SSDEEP

49152:YMLtHPldWWLafLAUCweyFI0ZBAFCGLcRe2xTIYLEJL:jLaMUzRe2M

Score

10^/10

latrodectus loader

Malware Config

Signatures

Detects Latrodectus 6 IoCs

Detects Latrodectus v1.4.

resource	yara_rule
behavioral2/memory/1756-0-0x0000000001FB0000-0x0000000001FC6000-memory.dmp	family_latrodectus_1_4
behavioral2/memory/1756-1-0x0000000001FB0000-0x0000000001FC6000-memory.dmp	family_latrodectus_1_4
behavioral2/memory/1756-3-0x0000000001FB0000-0x0000000001FC6000-memory.dmp	family_latrodectus_1_4
behavioral2/memory/1756-8-0x0000000001FB0000-0x0000000001FC6000-memory.dmp	family_latrodectus_1_4
behavioral2/memory/1792-10-0x0000000000500000-0x0000000000516000-memory.dmp	family_latrodectus_1_4
behavioral2/memory/1792-9-0x0000000000500000-0x0000000000516000-memory.dmp	family_latrodectus_1_4

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

Deletes itself 1 IoCs

pid	Process
1756	check.exe

Executes dropped EXE 2 IoCs

pid	Process
1792	Update_4518db27.exe
5104	Update_4518db27.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1756	check.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1756 wrote to memory of 1792	1756	check.exe	70
PID 1756 wrote to memory of 1792	1756	check.exe	70

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\check.exe
"C:\Users\Admin\AppData\Local\Temp\check.exe"
1⤵
- Deletes itself
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1756
- C:\Users\Admin\AppData\Roaming\Custom_update\Update_4518db27.exe
  "C:\Users\Admin\AppData\Roaming\Custom_update\Update_4518db27.exe"
  2⤵
  - Executes dropped EXE
  PID:1792

C:\Users\Admin\AppData\Roaming\Custom_update\Update_4518db27.exe
C:\Users\Admin\AppData\Roaming\Custom_update\Update_4518db27.exe
1⤵
- Executes dropped EXE
PID:5104

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_4518db27.exe

Filesize
2.3MB

MD5
1f3d6134710193f7d4d1e864d5e6b362

SHA1
538a93f3103e461906f783210c08cb1a4708a438

SHA256
2114aefe4d9460c04028d45b0f41ca9c65cea365727fda0fd2a885222c87db3c

SHA512
85a9d0906d57b276ae8eedc6f7a3a8b109c7c68e1e7805f5ab3a5fa26c09e80cdf786e71e1e6f7d03479d7510393aa8710ae969847285900e7b5fbd44343fffc

Download Submit
memory/1756-0-0x0000000001FB0000-0x0000000001FC6000-memory.dmp

Filesize
88KB

Download
memory/1756-1-0x0000000001FB0000-0x0000000001FC6000-memory.dmp

Filesize
88KB

Download
memory/1756-3-0x0000000001FB0000-0x0000000001FC6000-memory.dmp

Filesize
88KB

Download
memory/1756-8-0x0000000001FB0000-0x0000000001FC6000-memory.dmp

Filesize
88KB

Download
memory/1756-6-0x0000000140000000-0x0000000140254000-memory.dmp

Filesize
2.3MB

Download
memory/1792-10-0x0000000000500000-0x0000000000516000-memory.dmp

Filesize
88KB

Download
memory/1792-9-0x0000000000500000-0x0000000000516000-memory.dmp

Filesize
88KB

Download