latrodectus | 7040402574a686f031c3af5fed37509d8979855397787aab70b2d1059099d2da

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
03-05-2024 20:55

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General

Target

7040402574a686f031c3af5fed37509d8979855397787aab70b2d1059099d2da.dll
Size

69KB
MD5

ff354796f9e0a1edea31b8c9f65cda1b
SHA1

eae04a4c6b9ea586e9d7f2a351de06e90d64a5bb
SHA256

7040402574a686f031c3af5fed37509d8979855397787aab70b2d1059099d2da
SHA512

ef63fc4efc8d78dc8ea22dbcf05150406d89ea95b3dd3c154cc6a7fe39882844d089ecd08955d410a3031af9dce7a061cbea9db2ca5608795faee6132c2ed2ee
SSDEEP

768:RirkZkx7jOxt0Io0O99dyyus8GhrFuNtxv4c/HFGKndcHrqzwzv1NTNaTWsyih:Ri1dj7aO9qyVNKv4c/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 7 IoCs

loader

resource	yara_rule
behavioral2/memory/4832-0-0x00000274CFBA0000-0x00000274CFBB4000-memory.dmp	family_latrodectus_v2
behavioral2/memory/4832-1-0x00000274CFBA0000-0x00000274CFBB4000-memory.dmp	family_latrodectus_v2
behavioral2/memory/4832-5-0x00000274CFBA0000-0x00000274CFBB4000-memory.dmp	family_latrodectus_v2
behavioral2/memory/4832-4-0x0000000180000000-0x0000000180014000-memory.dmp	family_latrodectus_v2
behavioral2/files/0x000b000000023bc0-3.dat	family_latrodectus_v2
behavioral2/memory/3428-7-0x0000021D7E330000-0x0000021D7E344000-memory.dmp	family_latrodectus_v2
behavioral2/memory/3428-8-0x0000021D7E330000-0x0000021D7E344000-memory.dmp	family_latrodectus_v2

Deletes itself 1 IoCs

pid	Process
4832	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
3428	rundll32.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4832	rundll32.exe
4832	rundll32.exe
4832	rundll32.exe
4832	rundll32.exe
3428	rundll32.exe
3428	rundll32.exe
3428	rundll32.exe
3428	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4832	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4832 wrote to memory of 3428	4832	rundll32.exe	86
PID 4832 wrote to memory of 3428	4832	rundll32.exe	86

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\7040402574a686f031c3af5fed37509d8979855397787aab70b2d1059099d2da.dll,#1
1⤵
- Deletes itself
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4832
- C:\Windows\system32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_661dbf50.dll", #1
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:3428

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_661dbf50.dll

Filesize
69KB

MD5
ff354796f9e0a1edea31b8c9f65cda1b

SHA1
eae04a4c6b9ea586e9d7f2a351de06e90d64a5bb

SHA256
7040402574a686f031c3af5fed37509d8979855397787aab70b2d1059099d2da

SHA512
ef63fc4efc8d78dc8ea22dbcf05150406d89ea95b3dd3c154cc6a7fe39882844d089ecd08955d410a3031af9dce7a061cbea9db2ca5608795faee6132c2ed2ee

Download Submit
memory/3428-7-0x0000021D7E330000-0x0000021D7E344000-memory.dmp

Filesize
80KB

Download
memory/3428-8-0x0000021D7E330000-0x0000021D7E344000-memory.dmp

Filesize
80KB

Download
memory/4832-0-0x00000274CFBA0000-0x00000274CFBB4000-memory.dmp

Filesize
80KB

Download
memory/4832-1-0x00000274CFBA0000-0x00000274CFBB4000-memory.dmp

Filesize
80KB

Download
memory/4832-5-0x00000274CFBA0000-0x00000274CFBB4000-memory.dmp

Filesize
80KB

Download
memory/4832-4-0x0000000180000000-0x0000000180014000-memory.dmp

Filesize
80KB

Download