989da34b64eea87c2295d8b3b87ad6300bfc7daf9c646721ee8240517eb801a6

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
25/05/2024, 20:09

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-05-25_311a843c152f46615ddc8aeff4836ce9_cryptolocker.exe
Size

52KB
MD5

311a843c152f46615ddc8aeff4836ce9
SHA1

08eef5f13e66db5035f45c59512162f6d3046193
SHA256

989da34b64eea87c2295d8b3b87ad6300bfc7daf9c646721ee8240517eb801a6
SHA512

7621b0321bded4a909c974a9c602fa7e781ae87a61543d221ed56b29cbcde51b27f6128d0f33f07d68a8b50303941cb3d5e5375b6ce2fdcd3ae3d7e9a2c86f2b
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6dIKld5CS4Gj3:bgGYcA/53GAA6y37Q6dI+d5QGT

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000900000002351c-12.dat	CryptoLocker_rule2

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-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	2024-05-25_311a843c152f46615ddc8aeff4836ce9_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3580	hasfj.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 2064 wrote to memory of 3580	2064	2024-05-25_311a843c152f46615ddc8aeff4836ce9_cryptolocker.exe	91
PID 2064 wrote to memory of 3580	2064	2024-05-25_311a843c152f46615ddc8aeff4836ce9_cryptolocker.exe	91
PID 2064 wrote to memory of 3580	2064	2024-05-25_311a843c152f46615ddc8aeff4836ce9_cryptolocker.exe	91

C:\Users\Admin\AppData\Local\Temp\2024-05-25_311a843c152f46615ddc8aeff4836ce9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-25_311a843c152f46615ddc8aeff4836ce9_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2064
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:3580

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 --field-trial-handle=4176,i,5711962389779687290,1245653010537220991,262144 --variations-seed-version --mojo-platform-channel-handle=4080 /prefetch:8
1⤵
PID:4300

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

Loading Replay Monitor...

Downloads

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

Filesize
53KB

MD5
b9311143b6b71f062e218aa787e903be

SHA1
78c2ca50013318601d1436858a50fdd4acc34cc9

SHA256
1a5ad04bacc0111658f9302879d9882f6f09772ad898bc25c5de7fdcd41ce977

SHA512
b62e3aec4eeb8adef5e0e874c917c1fd2a1c9de094f268b84a08084fc546772ce7bc83d170b73e4bd7b71e71c4a595314cabdad7ad452d6e629ecf14070d146b

Download Submit
memory/2064-0-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/2064-1-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/2064-8-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/3580-17-0x0000000002160000-0x0000000002166000-memory.dmp

Filesize
24KB

Download
memory/3580-19-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download