3aaba015decb18ab3e4d2ee90d29aae4b9d9cf36b8a649a2f1436f237ade9697

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2024, 22:30

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-03-13_72b519ab098e70017c188169acbe894f_cryptolocker.exe
Size

54KB
MD5

72b519ab098e70017c188169acbe894f
SHA1

298a47f4bfab664e9394443f59799a76555ee1b1
SHA256

3aaba015decb18ab3e4d2ee90d29aae4b9d9cf36b8a649a2f1436f237ade9697
SHA512

8aaab1fe7d04d3afb0268c2e9d9e8c35e12482807e308c621bccb130076d2898f1c163c3fa08dc604c1ecea80e2bda1792e178304b429442e55cba4c2430c12e
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4hdCW1nw71TkhsiPn1YFv6dlE:vj+jsMQMOtEvwDpj5HH1nw73KOFiE

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000c00000002316a-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000c00000002316a-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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	2024-03-13_72b519ab098e70017c188169acbe894f_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3724	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 1080 wrote to memory of 3724	1080	2024-03-13_72b519ab098e70017c188169acbe894f_cryptolocker.exe	84
PID 1080 wrote to memory of 3724	1080	2024-03-13_72b519ab098e70017c188169acbe894f_cryptolocker.exe	84
PID 1080 wrote to memory of 3724	1080	2024-03-13_72b519ab098e70017c188169acbe894f_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-03-13_72b519ab098e70017c188169acbe894f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-13_72b519ab098e70017c188169acbe894f_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1080
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3724

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
55KB

MD5
5d2b266ae1760a0fb2c3d564ee17fff4

SHA1
4a82f18b8a8df625cdc30f82c63e14433741d62e

SHA256
9c7a24f9e1bb258fc5cfdad8da5eb1847b1b05f85dcb4d215dba4f940ecb4189

SHA512
39424054bd8ff31bbd64ae50b6c529c1851d6d48e9a9948573c85cc18f43585217bdaba09b04cff7189c5383edbf495e8ac19e19855d832008baa2821e2584d5

Download Submit
memory/1080-0-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/1080-1-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/1080-2-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download
memory/3724-17-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/3724-19-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download