9382d470e51b167b97920361cae7757ca0846b315aad97a04edc531342721d4e

Analysis

max time kernel
147s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03-02-2024 01:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-02-03_3d1742fa63a47fdcd9fe643261606a45_cryptolocker.exe
Size

42KB
MD5

3d1742fa63a47fdcd9fe643261606a45
SHA1

9344c0913f4cf00674a0e0301b78df7113050ea1
SHA256

9382d470e51b167b97920361cae7757ca0846b315aad97a04edc531342721d4e
SHA512

a4e2ea9f8e7208732144b1fc095c7d119e703576138c7fe34d466509af4da01d990d3f4ee03d98d4f5119017ca19a87fd43fe32de754cd0310fc796813cd9a12
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754XcwxbFp1Yvb9w:bxNrC7kYo1Fxf3s05rwxbF7Yvbe

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023242-12.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	2024-02-03_3d1742fa63a47fdcd9fe643261606a45_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3132	pissa.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 2532 wrote to memory of 3132	2532	2024-02-03_3d1742fa63a47fdcd9fe643261606a45_cryptolocker.exe	83
PID 2532 wrote to memory of 3132	2532	2024-02-03_3d1742fa63a47fdcd9fe643261606a45_cryptolocker.exe	83
PID 2532 wrote to memory of 3132	2532	2024-02-03_3d1742fa63a47fdcd9fe643261606a45_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-02-03_3d1742fa63a47fdcd9fe643261606a45_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-03_3d1742fa63a47fdcd9fe643261606a45_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  PID:3132

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\pissa.exe

Filesize
42KB

MD5
735c239936e9de8681c97124f23caf61

SHA1
b54053a9fd3001a1f0c9ac34060a28bf7d1ae656

SHA256
61ec603e2719e6fb5951d51a73e93527f49e5132719dd792df8067fda4777abe

SHA512
00251aa9f163aef794c4b6b8d4bba2a0934bc8571b4021ebc9971b952abf5453d5a3cb422f7f6245905b6b0b9352340d28cb77094659c891d8a222636e695d73

Download Submit
memory/2532-0-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/2532-1-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/2532-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/3132-17-0x00000000021F0000-0x00000000021F6000-memory.dmp

Filesize
24KB

Download
memory/3132-20-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download