5ae77e2cefd735a24cefdbefa1b69efc7300540d6593964803761bf74e02e9c3

Analysis

max time kernel
151s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/03/2024, 20:17

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General

Target

2024-03-08_7ada827017b21f8832e0547b061f39c6_cryptolocker.exe
Size

49KB
MD5

7ada827017b21f8832e0547b061f39c6
SHA1

4dc597bfa1946e8ae5417ec3c259822441647cca
SHA256

5ae77e2cefd735a24cefdbefa1b69efc7300540d6593964803761bf74e02e9c3
SHA512

2eedc1b30fff59921d107e3bfa1461924bd7b16b5b27a0bf2e96a244d1997ae4c1a0a43fd8eefb3124ba05b3faf1fdd64293c1b79f04ba91d75d3742a4bc6ada
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6dIKld5CSOD:bgGYcA/53GAA6y37Q6dI+d5I

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000a000000000022-12.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-1-5-21-1904519900-954640453-4250331663-1000\Control Panel\International\Geo\Nation	2024-03-08_7ada827017b21f8832e0547b061f39c6_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4212	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 1124 wrote to memory of 4212	1124	2024-03-08_7ada827017b21f8832e0547b061f39c6_cryptolocker.exe	96
PID 1124 wrote to memory of 4212	1124	2024-03-08_7ada827017b21f8832e0547b061f39c6_cryptolocker.exe	96
PID 1124 wrote to memory of 4212	1124	2024-03-08_7ada827017b21f8832e0547b061f39c6_cryptolocker.exe	96

C:\Users\Admin\AppData\Local\Temp\2024-03-08_7ada827017b21f8832e0547b061f39c6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-08_7ada827017b21f8832e0547b061f39c6_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1124
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:4212

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=1416 --field-trial-handle=2228,i,521073434451423547,2311651514500527526,262144 --variations-seed-version /prefetch:8
1⤵
PID:928

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\hasfj.exe

Filesize
49KB

MD5
b35d9ee9fc369accd0fbecc5b8798ec7

SHA1
9bff1387ba2a469bbabcc0a1ca85ad4e30f2fbb5

SHA256
fa2c2ac184c7493975e381edff56486f83221a1410f837750ef31a91d7f50384

SHA512
06a78e2feeaaedd3b4d4f1ecdf78d519ae51e44c34519bb0a0c0294b1284b37a610862b17313226e0cef6edc52bd6c8561d1af1d5208a4caada724e697972695

Download Submit
memory/1124-0-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1124-1-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1124-2-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download