0b2ab0496e65d65f2eeb933ead4f590c0e78018403b5f8cb54e136dfa896c59f

Analysis

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

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
19/06/2024, 22:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-06-19_11618c2ad4a6faccede66d93b4639471_cryptolocker.exe
Size

92KB
MD5

11618c2ad4a6faccede66d93b4639471
SHA1

b1a300e972cecc68c22fa2b105f74e37e81165e9
SHA256

0b2ab0496e65d65f2eeb933ead4f590c0e78018403b5f8cb54e136dfa896c59f
SHA512

a4e4239cf9afcc6a2389772189677191a069530ff7923b382510e4763390277f87ba91b7bfd10d34a233f3b8b4739e6ad7cf3adcb528a169e1a82a6602c1f33c
SSDEEP

1536:vj+jsMQMOtEvwDpj5H8u8rBN6nqEZNi1OkQoOw:vCjsIOtEvwDpj5H8zPsw

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000700000002328e-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000700000002328e-12.dat	CryptoLocker_set1

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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	2024-06-19_11618c2ad4a6faccede66d93b4639471_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4500	misid.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 4516 wrote to memory of 4500	4516	2024-06-19_11618c2ad4a6faccede66d93b4639471_cryptolocker.exe	82
PID 4516 wrote to memory of 4500	4516	2024-06-19_11618c2ad4a6faccede66d93b4639471_cryptolocker.exe	82
PID 4516 wrote to memory of 4500	4516	2024-06-19_11618c2ad4a6faccede66d93b4639471_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-06-19_11618c2ad4a6faccede66d93b4639471_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-19_11618c2ad4a6faccede66d93b4639471_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4516
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:4500

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\misid.exe

Filesize
92KB

MD5
94df35571fa5c50bf6d06ddb95387be6

SHA1
7def8c6fa2044b8d4f2434b614bfa06976c6307a

SHA256
222106213c3092d17d0aead0eef162d0bdb2b97208f60cfc77b8e51e9f3d4214

SHA512
6dddf038206338fdf492ddc39c6167422f485007797abbfd35b8db84271b2caa24c4196d1716cceb833457a83ec444c469916cb5e4e36005a953018d9fd8cc53

Download Submit
memory/4500-17-0x0000000001F70000-0x0000000001F76000-memory.dmp

Filesize
24KB

Download
memory/4500-23-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/4516-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4516-1-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/4516-8-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download