latrodectus | ba9b2c8a37a1a1d45713d26578a8ab0abc5b439581faa3d770bcfe441c12b8f0

Analysis

max time kernel
134s
max time network
136s
platform
windows10-1703_x64
resource
win10-20240404-en
submitted
18-09-2024 22:35

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General

Target

mal_dump.dll
Size

72KB
MD5

827bf3ffc5646444ee770de24008a5fc
SHA1

e66f50f2c9792b8ecc9317f74d51c98380d7df36
SHA256

ba9b2c8a37a1a1d45713d26578a8ab0abc5b439581faa3d770bcfe441c12b8f0
SHA512

57b0e97e15833b10e11a521dedeec5dfaa3d5dee12d6455e82ba453e7b494a01ab8ad5cad7ca50f4c1e422c0e14868b75cadf588f32b556362c4f90008309a3a
SSDEEP

1536:Izhn3OA/88fZVS18GpH50f88d0cTJ5Kga:Izhnt/vVS18zk8dDba

Score

10^/10

latrodectus loader

Malware Config

Extracted

Family

latrodectus

https://isomicrotich.com/test/

https://rilomenifis.com/test/

Signatures

Detects Latrodectus 2 IoCs

Detects Latrodectus v1.4.

resource	yara_rule
behavioral1/files/0x000800000001ac27-1.dat	family_latrodectus_1_4
behavioral1/memory/3988-2-0x00007FFC3DE40000-0x00007FFC3DE56000-memory.dmp	family_latrodectus_1_4

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

Deletes itself 1 IoCs

pid	Process
3988	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
4604	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3988	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3988 wrote to memory of 4604	3988	rundll32.exe	73
PID 3988 wrote to memory of 4604	3988	rundll32.exe	73

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\mal_dump.dll,#1
1⤵
- Deletes itself
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3988
- C:\Windows\system32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_ae2591f8.dll", #1
  2⤵
  - Loads dropped DLL
  PID:4604

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_ae2591f8.dll

Filesize
72KB

MD5
827bf3ffc5646444ee770de24008a5fc

SHA1
e66f50f2c9792b8ecc9317f74d51c98380d7df36

SHA256
ba9b2c8a37a1a1d45713d26578a8ab0abc5b439581faa3d770bcfe441c12b8f0

SHA512
57b0e97e15833b10e11a521dedeec5dfaa3d5dee12d6455e82ba453e7b494a01ab8ad5cad7ca50f4c1e422c0e14868b75cadf588f32b556362c4f90008309a3a

Download Submit
memory/3988-2-0x00007FFC3DE40000-0x00007FFC3DE56000-memory.dmp

Filesize
88KB

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