latrodectus | 465f931e8a44b7f8dff8435255240b88f88f11e23bc73741b21c20be8673b6b7

Analysis

max time kernel
133s
max time network
124s
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 21:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

465f931e8a44b7f8dff8435255240b88f88f11e23bc73741b21c20be8673b6b7.dll
Size

60KB
MD5

22f06d9fc9d95f0945fc6113c091a072
SHA1

672a5de375d84ac54ff1fc14ec65402c0abeca97
SHA256

465f931e8a44b7f8dff8435255240b88f88f11e23bc73741b21c20be8673b6b7
SHA512

7126f2b549a1e746eab78e4b9b111d861b6b27d7ef07b4b73197e21b7544acc18597bc18579a5dc0a1b85e5c7e0bc69090601de6a2cb0b89a2c5fa64bcd2f09a
SSDEEP

768:f0Io0O99dyyus8GgrFuNtxv4c/HFGKndcHrqzwzvCoQ5w7t:caO9qyV8Kv4c/HFGLlzKoQi

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/0x000b000000023bbe-1.dat	family_latrodectus_v2
behavioral2/memory/760-3-0x00007FFFE8680000-0x00007FFFE8694000-memory.dmp	family_latrodectus_v2

Deletes itself 1 IoCs

pid	Process
760	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
1448	rundll32.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
760	rundll32.exe
760	rundll32.exe
760	rundll32.exe
760	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
760	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 760 wrote to memory of 1448	760	rundll32.exe	85
PID 760 wrote to memory of 1448	760	rundll32.exe	85

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\465f931e8a44b7f8dff8435255240b88f88f11e23bc73741b21c20be8673b6b7.dll,#1
1⤵
- Deletes itself
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:760
- 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:1448

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Custom_update\Update_661dbf50.dll

Filesize
60KB

MD5
22f06d9fc9d95f0945fc6113c091a072

SHA1
672a5de375d84ac54ff1fc14ec65402c0abeca97

SHA256
465f931e8a44b7f8dff8435255240b88f88f11e23bc73741b21c20be8673b6b7

SHA512
7126f2b549a1e746eab78e4b9b111d861b6b27d7ef07b4b73197e21b7544acc18597bc18579a5dc0a1b85e5c7e0bc69090601de6a2cb0b89a2c5fa64bcd2f09a

Download Submit
memory/760-3-0x00007FFFE8680000-0x00007FFFE8694000-memory.dmp

Filesize
80KB

Download