latrodectus | 9877e439ce0efccc9140ed91405e0fdbacfcbb5dee6b7ddb1bfd3c1dc3be333f

Analysis

max time kernel
140s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-09-2024 20:21

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General

Target

9877e439ce0efccc9140ed91405e0fdbacfcbb5dee6b7ddb1bfd3c1dc3be333f.exe
Size

74KB
MD5

fd506e6d4c2e1e3335d3802a38cd21b6
SHA1

2ffc078104f87b8d6614d53ca0b263228eff44e0
SHA256

9877e439ce0efccc9140ed91405e0fdbacfcbb5dee6b7ddb1bfd3c1dc3be333f
SHA512

0565d57bfa3f7aa57c5067e6794adebc0f72b5c891b26821f6fab8a9e02b9aa100e6c334713b578351cc197aff14e34638ad01345cb2470b89b53452e8e5a476
SSDEEP

768:3RKz7vRTYSRKrm4mODOJWFgG5nB0GXiuwUKdq3kz40sKjTiqFf8mjop4EejV:3RKzhgrVmOikFzpXiq3mniOf8mjo8

Score

10^/10

latrodectus loader

Malware Config

Signatures

Detects Latrodectus 2 IoCs

Detects Latrodectus v1.4.

resource	yara_rule
behavioral1/files/0x0008000000015d75-1.dat	family_latrodectus_1_4
behavioral1/memory/2720-8-0x0000000000240000-0x000000000025500C-memory.dmp	family_latrodectus_1_4

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

Deletes itself 1 IoCs

pid	Process
2720	9877e439ce0efccc9140ed91405e0fdbacfcbb5dee6b7ddb1bfd3c1dc3be333f.exe

Executes dropped EXE 1 IoCs

pid	Process
2844	Update_9d370c67.exe

Loads dropped DLL 2 IoCs

pid	Process
2720	9877e439ce0efccc9140ed91405e0fdbacfcbb5dee6b7ddb1bfd3c1dc3be333f.exe
2720	9877e439ce0efccc9140ed91405e0fdbacfcbb5dee6b7ddb1bfd3c1dc3be333f.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2720	9877e439ce0efccc9140ed91405e0fdbacfcbb5dee6b7ddb1bfd3c1dc3be333f.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 2844	2720	9877e439ce0efccc9140ed91405e0fdbacfcbb5dee6b7ddb1bfd3c1dc3be333f.exe	30
PID 2720 wrote to memory of 2844	2720	9877e439ce0efccc9140ed91405e0fdbacfcbb5dee6b7ddb1bfd3c1dc3be333f.exe	30
PID 2720 wrote to memory of 2844	2720	9877e439ce0efccc9140ed91405e0fdbacfcbb5dee6b7ddb1bfd3c1dc3be333f.exe	30
PID 2720 wrote to memory of 2792	2720	9877e439ce0efccc9140ed91405e0fdbacfcbb5dee6b7ddb1bfd3c1dc3be333f.exe	31
PID 2720 wrote to memory of 2792	2720	9877e439ce0efccc9140ed91405e0fdbacfcbb5dee6b7ddb1bfd3c1dc3be333f.exe	31
PID 2720 wrote to memory of 2792	2720	9877e439ce0efccc9140ed91405e0fdbacfcbb5dee6b7ddb1bfd3c1dc3be333f.exe	31

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\9877e439ce0efccc9140ed91405e0fdbacfcbb5dee6b7ddb1bfd3c1dc3be333f.exe
"C:\Users\Admin\AppData\Local\Temp\9877e439ce0efccc9140ed91405e0fdbacfcbb5dee6b7ddb1bfd3c1dc3be333f.exe"
1⤵
- Deletes itself
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2720
- C:\Users\Admin\AppData\Roaming\Custom_update\Update_9d370c67.exe
  "C:\Users\Admin\AppData\Roaming\Custom_update\Update_9d370c67.exe"
  2⤵
  - Executes dropped EXE
  PID:2844
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2720 -s 256
  2⤵
  PID:2792

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_9d370c67.exe

Filesize
74KB

MD5
fd506e6d4c2e1e3335d3802a38cd21b6

SHA1
2ffc078104f87b8d6614d53ca0b263228eff44e0

SHA256
9877e439ce0efccc9140ed91405e0fdbacfcbb5dee6b7ddb1bfd3c1dc3be333f

SHA512
0565d57bfa3f7aa57c5067e6794adebc0f72b5c891b26821f6fab8a9e02b9aa100e6c334713b578351cc197aff14e34638ad01345cb2470b89b53452e8e5a476

Download Submit
memory/2720-8-0x0000000000240000-0x000000000025500C-memory.dmp

Filesize
84KB

Download