latrodectus | 2f3dd9fe96b27664d4ac558c6c538f59a04db5a3f7d1923b83473b5f7603d187

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/04/2024, 00:15

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General

Target

lact/2956-0-0x0000000001B60000-0x0000000001B74000-memory_unmapped.dll
Size

80KB
MD5

37d62d215bc14f55d10afde96d91d1b6
SHA1

9fd938b06ed73134a8ded13b0224ed80275b534b
SHA256

1bed9c089a3c1dd81a17834827129022f8cf417e86e6f9f15bd43ed3ac62e303
SHA512

3a35395abda1314f7aab3a9539f86634e20dfce7fd432f7123aa57a49c34c37743d0351c498dff4130f9efd03171648af76d4901bcbe3ff55cb6529f2f5e211f
SSDEEP

768:foWfTLO3B5YC0YbluRPv87BZILqSdE8TWz7MUfx9k0zioX:bfO3orQBZdGSMM9k0zi4

Score

10^/10

latrodectus loader

Malware Config

Extracted

Family

latrodectus

https://zumkoshapsret.com/live/

https://jertacco.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
behavioral16/files/0x00080000000231d0-3.dat	family_latrodectus_v2
behavioral16/memory/4824-1-0x000000005A8E0000-0x000000005A8F4000-memory.dmp	family_latrodectus_v2

Deletes itself 1 IoCs

pid	Process
4824	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
1480	rundll32.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4824	rundll32.exe
4824	rundll32.exe
4824	rundll32.exe
4824	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe
1480	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4824	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4824 wrote to memory of 1480	4824	rundll32.exe	86
PID 4824 wrote to memory of 1480	4824	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\lact\2956-0-0x0000000001B60000-0x0000000001B74000-memory_unmapped.dll,#1
1⤵
- Deletes itself
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4824
- C:\Windows\system32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_f70fbdc2.dll", #1
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:1480

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_f70fbdc2.dll

Filesize
80KB

MD5
37d62d215bc14f55d10afde96d91d1b6

SHA1
9fd938b06ed73134a8ded13b0224ed80275b534b

SHA256
1bed9c089a3c1dd81a17834827129022f8cf417e86e6f9f15bd43ed3ac62e303

SHA512
3a35395abda1314f7aab3a9539f86634e20dfce7fd432f7123aa57a49c34c37743d0351c498dff4130f9efd03171648af76d4901bcbe3ff55cb6529f2f5e211f

Download Submit
memory/4824-1-0x000000005A8E0000-0x000000005A8F4000-memory.dmp

Filesize
80KB

Download