ddb45322e2830c24582e0a68c77f616ff0f32aa1099a9ffb58897010618e46bd

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/02/2024, 22:27

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-02-01_b68f241c61298a7ead3873ea68d820a6_cryptolocker.exe
Size

41KB
MD5

b68f241c61298a7ead3873ea68d820a6
SHA1

90ee50db9514f391da4a4589384d25b18a80c872
SHA256

ddb45322e2830c24582e0a68c77f616ff0f32aa1099a9ffb58897010618e46bd
SHA512

ca5cce9d7f34b3173f1c34e77b816cc6778e636d654de4c60583ea97f38df9fab952540189d16d574c9bb7b55e507c0fe0a3382f9afe3212ca2898744360532f
SSDEEP

384:bgX4uGLLQRcsdeQ7/nQu63Ag7YmecFanrlwfjDUkKDfWf0w3sp8u5co9+slNWd:bgX4zYcgTEu6QOaryfjqDDw3sCu5b+si

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000700000002322f-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-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	2024-02-01_b68f241c61298a7ead3873ea68d820a6_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4076	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 1616 wrote to memory of 4076	1616	2024-02-01_b68f241c61298a7ead3873ea68d820a6_cryptolocker.exe	84
PID 1616 wrote to memory of 4076	1616	2024-02-01_b68f241c61298a7ead3873ea68d820a6_cryptolocker.exe	84
PID 1616 wrote to memory of 4076	1616	2024-02-01_b68f241c61298a7ead3873ea68d820a6_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-02-01_b68f241c61298a7ead3873ea68d820a6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-01_b68f241c61298a7ead3873ea68d820a6_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1616
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:4076

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
41KB

MD5
2cc6545bee78b6262c46795a745c422c

SHA1
06ea9ba066ade49d278c4527fd68adcc7920cf89

SHA256
107f04d803c99f89c2f0ed2eb7a3aadd7a45a523d62b7803f827f40c8b0d0629

SHA512
b65050589d2d381f64b97b468b4026135810a306297b06b8ca2a66069967c9ec89483a5b8be943085ddb81062499ed926a00c831de1abc71f6755274ce9854a3

Download Submit
memory/1616-0-0x00000000021E0000-0x00000000021E6000-memory.dmp

Filesize
24KB

Download
memory/1616-1-0x00000000021E0000-0x00000000021E6000-memory.dmp

Filesize
24KB

Download
memory/1616-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/4076-17-0x0000000002ED0000-0x0000000002ED6000-memory.dmp

Filesize
24KB

Download
memory/4076-19-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download