latrodectus | 1625ac230aa5ca950573f3ba0b1a7bd4c7fbd3e3686f9ecd4a40f1504bf33a11

Analysis

max time kernel
142s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
25-04-2024 18:14

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General

Target

1625ac230aa5ca950573f3ba0b1a7bd4c7fbd3e3686f9ecd4a40f1504bf33a11.dll
Size

885KB
MD5

74143402c40ac2e61e9f040a2d7e2d00
SHA1

4053dc85bb86c47c63f96681d6a62c21cd6342a3
SHA256

1625ac230aa5ca950573f3ba0b1a7bd4c7fbd3e3686f9ecd4a40f1504bf33a11
SHA512

4aa55b859f15be8b14c4a0ff6f3971f49b47c1c8c8427f179eb4ab0c76e321441adfd173469facb12aae1e81e25f1328fd621214b42e66f690ba4e9ee1e54cf9
SSDEEP

12288:gfPSAAUHV4fZUv/TrguVTax7hNRu18VA8JFoxMk/wYeDKDMyAmp:qPSAAUHV4fZUvfgmaxpu1F8J6xMYHMBS

Score

10^/10

latrodectus loader

Malware Config

Extracted

Family

latrodectus

https://jarinamaers.shop/live/

https://wrankaget.site/live/

Signatures

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

Detect larodectus Loader variant 2 4 IoCs

loader

resource	yara_rule
behavioral2/memory/2968-0-0x00000275ECF30000-0x00000275ECF44000-memory.dmp	family_latrodectus_v2
behavioral2/memory/2968-5-0x00000275ECF30000-0x00000275ECF44000-memory.dmp	family_latrodectus_v2
behavioral2/memory/2640-6-0x00000125CEE70000-0x00000125CEE84000-memory.dmp	family_latrodectus_v2
behavioral2/memory/2640-7-0x00000125CEE70000-0x00000125CEE84000-memory.dmp	family_latrodectus_v2

Deletes itself 1 IoCs

pid	Process
2968	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
2640	rundll32.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2968	rundll32.exe
2968	rundll32.exe
2968	rundll32.exe
2968	rundll32.exe
2640	rundll32.exe
2640	rundll32.exe
2640	rundll32.exe
2640	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2968	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2968 wrote to memory of 2640	2968	rundll32.exe	84
PID 2968 wrote to memory of 2640	2968	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\1625ac230aa5ca950573f3ba0b1a7bd4c7fbd3e3686f9ecd4a40f1504bf33a11.dll,#1
1⤵
- Deletes itself
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2968
- C:\Windows\system32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_4b6bd7b5.dll", #1
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:2640

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_4b6bd7b5.dll

Filesize
885KB

MD5
74143402c40ac2e61e9f040a2d7e2d00

SHA1
4053dc85bb86c47c63f96681d6a62c21cd6342a3

SHA256
1625ac230aa5ca950573f3ba0b1a7bd4c7fbd3e3686f9ecd4a40f1504bf33a11

SHA512
4aa55b859f15be8b14c4a0ff6f3971f49b47c1c8c8427f179eb4ab0c76e321441adfd173469facb12aae1e81e25f1328fd621214b42e66f690ba4e9ee1e54cf9

Download Submit
memory/2640-6-0x00000125CEE70000-0x00000125CEE84000-memory.dmp

Filesize
80KB

Download
memory/2640-7-0x00000125CEE70000-0x00000125CEE84000-memory.dmp

Filesize
80KB

Download
memory/2968-0-0x00000275ECF30000-0x00000275ECF44000-memory.dmp

Filesize
80KB

Download
memory/2968-5-0x00000275ECF30000-0x00000275ECF44000-memory.dmp

Filesize
80KB

Download
memory/2968-2-0x0000000180000000-0x0000000180184000-memory.dmp

Filesize
1.5MB

Download