9b7ae3ea3a2ba7dfcdfce8c4c7882b7a856366707f1a98cb4dc8d693728ca259

Analysis

max time kernel
143s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2024, 10:49

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General

Target

2024-03-14_e20bead585124ad01b3e178b2314a215_cryptolocker.exe
Size

34KB
MD5

e20bead585124ad01b3e178b2314a215
SHA1

644349dcd411cfb04bf4a2da29da43612bf4b065
SHA256

9b7ae3ea3a2ba7dfcdfce8c4c7882b7a856366707f1a98cb4dc8d693728ca259
SHA512

506c9537ddb77da59f09f212afd8b32d49f347294237bda6d12bc2dcba64587cd602714d2dc81f943c277865ae7fca183e1405a43a385726a989b6a7e1b6a2d8
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4u:fT+hsMQMOtEvwDpjoIHu

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023256-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023256-12.dat	CryptoLocker_set1

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	2024-03-14_e20bead585124ad01b3e178b2314a215_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1312	misid.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 2620 wrote to memory of 1312	2620	2024-03-14_e20bead585124ad01b3e178b2314a215_cryptolocker.exe	97
PID 2620 wrote to memory of 1312	2620	2024-03-14_e20bead585124ad01b3e178b2314a215_cryptolocker.exe	97
PID 2620 wrote to memory of 1312	2620	2024-03-14_e20bead585124ad01b3e178b2314a215_cryptolocker.exe	97

C:\Users\Admin\AppData\Local\Temp\2024-03-14_e20bead585124ad01b3e178b2314a215_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-14_e20bead585124ad01b3e178b2314a215_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2620
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1312

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=4072 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
1⤵
PID:4388

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\misid.exe

Filesize
34KB

MD5
3340e2058d62771cc9788be9b538f165

SHA1
af6c970dc8ea40b7f4090e507e5ccbd3ef036d9a

SHA256
908c7b77aea53fc95cb9d6f2a4817113386dfbeacbe8e52a5c3db7bac988352e

SHA512
7db8b72226214bfe401043f91d2e5af28bde76ddeda3ec828eb6d0b6168c67ce250db0cad89fabdcec84e0f12f4edcf64c950f0b960dd10684ec9fa65590f507

Download Submit
memory/1312-17-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/1312-18-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download
memory/2620-0-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/2620-1-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/2620-2-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download