latrodectus | 1625ac230aa5ca950573f3ba0b1a7bd4c7fbd3e3686f9ecd4a40f1504bf33a11

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
26-04-2024 11:40

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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 6 IoCs

loader

resource	yara_rule
behavioral2/memory/824-0-0x0000012E9A2E0000-0x0000012E9A2F4000-memory.dmp	family_latrodectus_v2
behavioral2/memory/824-5-0x0000012E9A2E0000-0x0000012E9A2F4000-memory.dmp	family_latrodectus_v2
behavioral2/memory/4296-6-0x0000020DD0E30000-0x0000020DD0E44000-memory.dmp	family_latrodectus_v2
behavioral2/memory/4296-7-0x0000020DD0E30000-0x0000020DD0E44000-memory.dmp	family_latrodectus_v2
behavioral2/memory/964-9-0x000001E5DAF40000-0x000001E5DAF54000-memory.dmp	family_latrodectus_v2
behavioral2/memory/964-10-0x000001E5DAF40000-0x000001E5DAF54000-memory.dmp	family_latrodectus_v2

Deletes itself 1 IoCs

pid	Process
824	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
4296	rundll32.exe
964	rundll32.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
824	rundll32.exe
824	rundll32.exe
824	rundll32.exe
824	rundll32.exe
4296	rundll32.exe
4296	rundll32.exe
4296	rundll32.exe
4296	rundll32.exe
964	rundll32.exe
964	rundll32.exe
964	rundll32.exe
964	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
824	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 824 wrote to memory of 4296	824	rundll32.exe	90
PID 824 wrote to memory of 4296	824	rundll32.exe	90

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:824
- C:\Windows\system32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_b2fa2eb7.dll", #1
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:4296

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_b2fa2eb7.dll", #1
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:964

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4104 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
1⤵
PID:2992

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_b2fa2eb7.dll

Filesize
885KB

MD5
74143402c40ac2e61e9f040a2d7e2d00

SHA1
4053dc85bb86c47c63f96681d6a62c21cd6342a3

SHA256
1625ac230aa5ca950573f3ba0b1a7bd4c7fbd3e3686f9ecd4a40f1504bf33a11

SHA512
4aa55b859f15be8b14c4a0ff6f3971f49b47c1c8c8427f179eb4ab0c76e321441adfd173469facb12aae1e81e25f1328fd621214b42e66f690ba4e9ee1e54cf9

Download Submit
memory/824-0-0x0000012E9A2E0000-0x0000012E9A2F4000-memory.dmp

Filesize
80KB

Download
memory/824-2-0x0000000180000000-0x0000000180184000-memory.dmp

Filesize
1.5MB

Download
memory/824-5-0x0000012E9A2E0000-0x0000012E9A2F4000-memory.dmp

Filesize
80KB

Download
memory/964-9-0x000001E5DAF40000-0x000001E5DAF54000-memory.dmp

Filesize
80KB

Download
memory/964-10-0x000001E5DAF40000-0x000001E5DAF54000-memory.dmp

Filesize
80KB

Download
memory/4296-6-0x0000020DD0E30000-0x0000020DD0E44000-memory.dmp

Filesize
80KB

Download
memory/4296-7-0x0000020DD0E30000-0x0000020DD0E44000-memory.dmp

Filesize
80KB

Download