latrodectus | 9645a12079edffd20560d4631160a6052ae5728d6f73b7366588166ad281c534

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
08-07-2024 09:29

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General

Target

9645a12079edffd20560d4631160a6052ae5728d6f73b7366588166ad281c534.dll
Size

60KB
MD5

d46476f7f27be8ef618b7646a46f5e66
SHA1

8219d1ead31d16f6380941827bf96a488453d5c0
SHA256

9645a12079edffd20560d4631160a6052ae5728d6f73b7366588166ad281c534
SHA512

8efba2b2cb757decc55c7b2aedb1a7b2645d95ddb22087f20d713456bfb6d09b90779370e7c8d8e567d22d8e96d7239f9b65152c6879cbdf9258cf02f690c7a0
SSDEEP

768:f0Io0O99dyyus8GhrFuNtxv4c/HFGKndcHrqzwzv1NTNaTWsyih:caO9qyVNKv4c/HFGLlzvi

Score

10^/10

latrodectus loader

Malware Config

Extracted

Family

latrodectus

https://winarkamaps.com/live/

https://stratimasesstr.com/live/

Signatures

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

Detect larodectus Loader variant 2 2 IoCs

loader

resource	yara_rule
behavioral2/files/0x0008000000023420-2.dat	family_latrodectus_v2
behavioral2/memory/752-1-0x00007FFCB56D0000-0x00007FFCB56E4000-memory.dmp	family_latrodectus_v2

Deletes itself 1 IoCs

pid	Process
752	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
4120	rundll32.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
752	rundll32.exe
752	rundll32.exe
752	rundll32.exe
752	rundll32.exe
4120	rundll32.exe
4120	rundll32.exe
4120	rundll32.exe
4120	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
752	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 752 wrote to memory of 4120	752	rundll32.exe	84
PID 752 wrote to memory of 4120	752	rundll32.exe	84

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:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9645a12079edffd20560d4631160a6052ae5728d6f73b7366588166ad281c534.dll,#1
1⤵
- Deletes itself
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:752
- C:\Windows\system32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_d0568bb5.dll", #1
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:4120

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_d0568bb5.dll

Filesize
60KB

MD5
d46476f7f27be8ef618b7646a46f5e66

SHA1
8219d1ead31d16f6380941827bf96a488453d5c0

SHA256
9645a12079edffd20560d4631160a6052ae5728d6f73b7366588166ad281c534

SHA512
8efba2b2cb757decc55c7b2aedb1a7b2645d95ddb22087f20d713456bfb6d09b90779370e7c8d8e567d22d8e96d7239f9b65152c6879cbdf9258cf02f690c7a0

Download Submit
memory/752-1-0x00007FFCB56D0000-0x00007FFCB56E4000-memory.dmp

Filesize
80KB

Download