0cceab7804d34d40937c87de9c3fe388c66a8ce93481d17e875c256d5ea33448

Analysis

max time kernel
144s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
22/05/2024, 19:11

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General

Target

20240521d92e8e655c232ad32dfea45c97ef90c7cryptolocker.exe
Size

51KB
MD5

d92e8e655c232ad32dfea45c97ef90c7
SHA1

99c58ecc55dbda84a684e5a9e68b3713f854beea
SHA256

0cceab7804d34d40937c87de9c3fe388c66a8ce93481d17e875c256d5ea33448
SHA512

14f64886841199d73f3a77f055c0b1ef04056b3fcd31974d4b5ac95cf2dafd0ac591af75c969ae0b242e21fb5ee3dd4460fe2390f739e241d4b68736a37a81ba
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu55id3AMWZYyl:X6QFElP6n+gJQMOtEvwDpjB0GIWiWLiu

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	20240521d92e8e655c232ad32dfea45c97ef90c7cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2908	asih.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3488 wrote to memory of 2908	3488	20240521d92e8e655c232ad32dfea45c97ef90c7cryptolocker.exe	91
PID 3488 wrote to memory of 2908	3488	20240521d92e8e655c232ad32dfea45c97ef90c7cryptolocker.exe	91
PID 3488 wrote to memory of 2908	3488	20240521d92e8e655c232ad32dfea45c97ef90c7cryptolocker.exe	91

C:\Users\Admin\AppData\Local\Temp\20240521d92e8e655c232ad32dfea45c97ef90c7cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\20240521d92e8e655c232ad32dfea45c97ef90c7cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3488
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2908

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=4156 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
1⤵
PID:2228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
51KB

MD5
d0301817cc1203974ce971ad617b5db2

SHA1
6c4af05e0544b7e576b612bbb6b3470130984ab3

SHA256
23773e90a5f70708c614870b1d500b596400ddfaa17bee16e88c8e2c27bb0f60

SHA512
67af2376b56f8ff0e5e96156c44c5600dc139d4ec1508ce4204738d49dffd8f7ec5743a390f0bbf10f7a6c98060dc0dc0f30045988d3fe512e0285f3868711c8

Download Submit
memory/2908-17-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2908-18-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/3488-0-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/3488-1-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/3488-2-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download