2f6e722156afbe1c59dafc7acbf138a2b945f3655df75b8a7b99e26324ff01e3

Analysis

max time kernel
135s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2024, 19:25

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-01-25_2b30398e720fdab764a26ae15b418a11_cryptolocker.exe
Size

73KB
MD5

2b30398e720fdab764a26ae15b418a11
SHA1

0b27e4df4fc0779ece1d8b2ed897582a24626cfc
SHA256

2f6e722156afbe1c59dafc7acbf138a2b945f3655df75b8a7b99e26324ff01e3
SHA512

511dabfbf2f4cebe68b80315f38dd5f3ac8d1a4d3e63351c15d32b4b104254c30df86d7e0a00b5e2dd6a36b7ee2eca27175c0b2493902010ababd880cad2b3c1
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1RE:X6a+SOtEvwDpjBZYvQd2O

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000a0000000230f9-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000a0000000230f9-12.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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	2024-01-25_2b30398e720fdab764a26ae15b418a11_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
224	asih.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 1336 wrote to memory of 224	1336	2024-01-25_2b30398e720fdab764a26ae15b418a11_cryptolocker.exe	86
PID 1336 wrote to memory of 224	1336	2024-01-25_2b30398e720fdab764a26ae15b418a11_cryptolocker.exe	86
PID 1336 wrote to memory of 224	1336	2024-01-25_2b30398e720fdab764a26ae15b418a11_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-01-25_2b30398e720fdab764a26ae15b418a11_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_2b30398e720fdab764a26ae15b418a11_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1336
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:224

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\asih.exe

Filesize
73KB

MD5
ed8018f3b7776a5285e76fd9f7297f32

SHA1
ab2a791fe43e48121ad12c4d0a0e18e1ab2415a5

SHA256
16778cb75c16e286456ace372f56cc7a18cebfb5454aa16795e1e391e6a480a8

SHA512
5d3170c6ca33b2978b5a13f216e3acc6f307a004ab4a92ebffc0e031154abef857e264d972c9272886827c6edbc97835f9437677f8cf4e00c85e5244f3d0bcc8

Download Submit
memory/224-17-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/224-19-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/1336-0-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download
memory/1336-1-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download
memory/1336-2-0x0000000002220000-0x0000000002226000-memory.dmp

Filesize
24KB

Download