0d1283e77e28e19372c8b983feb6e2da1c816ad6ab7842ec61cf836fa6f6d7bb

Analysis

max time kernel
143s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
07/01/2024, 12:04

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General

Target

2024-01-06_01e36ef0d589ef82fa5b3c594bc604ed_cryptolocker.exe
Size

70KB
MD5

01e36ef0d589ef82fa5b3c594bc604ed
SHA1

5dbd0023353574bba10299d10f45c976ba543c55
SHA256

0d1283e77e28e19372c8b983feb6e2da1c816ad6ab7842ec61cf836fa6f6d7bb
SHA512

795f2f1804d43a12977b8368f3098fedc4d90217b93dfd127c0b3594906912d12c43ec8d582c02f803b456319fe4ef3356a2adcfd246ba57d99af9883c751b82
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1f:X6a+SOtEvwDpjBZYvQd2f

Score

7^/10

Malware Config

Signatures

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-1-5-21-3336304223-2978740688-3645194410-1000\Control Panel\International\Geo\Nation	2024-01-06_01e36ef0d589ef82fa5b3c594bc604ed_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1564	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 3288 wrote to memory of 1564	3288	2024-01-06_01e36ef0d589ef82fa5b3c594bc604ed_cryptolocker.exe	43
PID 3288 wrote to memory of 1564	3288	2024-01-06_01e36ef0d589ef82fa5b3c594bc604ed_cryptolocker.exe	43
PID 3288 wrote to memory of 1564	3288	2024-01-06_01e36ef0d589ef82fa5b3c594bc604ed_cryptolocker.exe	43

C:\Users\Admin\AppData\Local\Temp\2024-01-06_01e36ef0d589ef82fa5b3c594bc604ed_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-06_01e36ef0d589ef82fa5b3c594bc604ed_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3288
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1564

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\asih.exe

Filesize
71KB

MD5
197a2b8728558b7724800e66db152a65

SHA1
a90a60184e94d02297ef2dc6875f1e473e6cee53

SHA256
4d09985a6a8f347deb9da77b8840268d7b50430a37ba72cdd16d469eb8ddec5c

SHA512
cfe4c463efbd9322b994436e6440231c6beb452c6565be8d2cdcdf05269d5271945386a3edd5abb2881d65d4120ecc1d8936a87438a90b551b14734bb475410c

Download Submit
memory/1564-17-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/1564-19-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/3288-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/3288-2-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/3288-0-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download