a0d59aad6c681d036f48bd28866adbfae5e05890a750187a4c8040cb25f73fe0

Analysis

max time kernel
0s
max time network
110s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2024, 05:52

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General

Target

2024-01-01_f2251bae659c8bac534ce49ec4b33055_cryptolocker.exe
Size

71KB
MD5

f2251bae659c8bac534ce49ec4b33055
SHA1

38f4dc5a88d2d27a85e7261d9df6d600e6e11ad2
SHA256

a0d59aad6c681d036f48bd28866adbfae5e05890a750187a4c8040cb25f73fe0
SHA512

cd0b227e9cd08a8dfb64453eec6d863ed94b4f9e30973d54476adb2067dffc5f925ab785ba3b4111d6e022fca1b11f433ee0ba001d9ac98afe23089bfe328bb5
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1h:X6a+SOtEvwDpjBZYvQd2h

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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	2024-01-01_f2251bae659c8bac534ce49ec4b33055_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4568	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 2952 wrote to memory of 4568	2952	2024-01-01_f2251bae659c8bac534ce49ec4b33055_cryptolocker.exe	23
PID 2952 wrote to memory of 4568	2952	2024-01-01_f2251bae659c8bac534ce49ec4b33055_cryptolocker.exe	23
PID 2952 wrote to memory of 4568	2952	2024-01-01_f2251bae659c8bac534ce49ec4b33055_cryptolocker.exe	23

C:\Users\Admin\AppData\Local\Temp\2024-01-01_f2251bae659c8bac534ce49ec4b33055_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-01_f2251bae659c8bac534ce49ec4b33055_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2952
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:4568

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
3a81720924e5ca42dc03ac539e746be1

SHA1
62d946a4d4c37e3df9ec543a6e23410b57935600

SHA256
c754d58de6a35ba34a3304b850ce0b4848c1ae267020c714c96a6583a9b03e20

SHA512
2e6f91cecfe523ad5fd57c54d2344232ac0e3277fa05359ecac9e639c5257009d7aadaf425610391fe87e855832724fd5a254bb69e07b7de12c5f69eabdb126b

Download Submit
memory/2952-1-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/2952-2-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/2952-0-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/4568-17-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/4568-23-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download