cf19d0b8b594ccae559447bed4e1caf0ee5009756ca43e3ce39f6aeb578e89bb

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
30/04/2024, 01:30

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General

Target

2024-04-30_d11e7574d3580a1ae619f8a4aa495277_cryptolocker.exe
Size

34KB
MD5

d11e7574d3580a1ae619f8a4aa495277
SHA1

8e53f1445fa0ab8a467dbfb5b4512cbf0d54f3d1
SHA256

cf19d0b8b594ccae559447bed4e1caf0ee5009756ca43e3ce39f6aeb578e89bb
SHA512

d8e8e117e1f466513d9437796741dd260e3e4e53d536d9543ac948b35fd565b89928e6ca70002cdd8ed0946ea02e82a006ff8a272d5160c7a953fe01850a00f5
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgIunvsYo:bA74zYcgT/Ekd0ryfjPIunvsn

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0009000000023b14-12.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-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation	2024-04-30_d11e7574d3580a1ae619f8a4aa495277_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3716	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 2748 wrote to memory of 3716	2748	2024-04-30_d11e7574d3580a1ae619f8a4aa495277_cryptolocker.exe	85
PID 2748 wrote to memory of 3716	2748	2024-04-30_d11e7574d3580a1ae619f8a4aa495277_cryptolocker.exe	85
PID 2748 wrote to memory of 3716	2748	2024-04-30_d11e7574d3580a1ae619f8a4aa495277_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-04-30_d11e7574d3580a1ae619f8a4aa495277_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-30_d11e7574d3580a1ae619f8a4aa495277_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2748
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:3716

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
34KB

MD5
670debe7e08c095af869260062896ce0

SHA1
b4438b84e563f527a596a4c12aefb8a04c20dd64

SHA256
11e87efd0004b93fc1089eaf4fc01d3ad5a5d6b8f9832c3b327ac4d23922e681

SHA512
782e285002b942c5a92569e0b7507d1baf2ac995b49fb64eb0d7ba6cf55cffa6ea30eb3c26dfe6d5e6d8e0607c16f24d546a8d149473351dd979a81ece3db299

Download Submit
memory/2748-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/2748-1-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/2748-8-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/3716-17-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/3716-23-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download