87ee2a62b1b4fc834f8e8e6836662e7b32ccb6ad5d0d99d5be3769be66cc73e4

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2023, 16:18

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General

Target

2023-08-27_245600f18b0df70f50a259202cb26a55_cryptolocker_JC.exe
Size

69KB
MD5

245600f18b0df70f50a259202cb26a55
SHA1

989ab47075cdab023027ad6ab505985cbb2fd411
SHA256

87ee2a62b1b4fc834f8e8e6836662e7b32ccb6ad5d0d99d5be3769be66cc73e4
SHA512

67ce1032499fdea3ed41d388b1ff51f9379694ef5d26698a36a56964b8bb44e86b65c3e1dc619f666e30fb86f28ae75e996c290e3ce0cf02209c12f6a3d3c4b6
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1b8:X6a+SOtEvwDpjBZYvQd2w

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-1-5-21-919254492-3979293997-764407192-1000\Control Panel\International\Geo\Nation	2023-08-27_245600f18b0df70f50a259202cb26a55_cryptolocker_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
1032	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 1872 wrote to memory of 1032	1872	2023-08-27_245600f18b0df70f50a259202cb26a55_cryptolocker_JC.exe	86
PID 1872 wrote to memory of 1032	1872	2023-08-27_245600f18b0df70f50a259202cb26a55_cryptolocker_JC.exe	86
PID 1872 wrote to memory of 1032	1872	2023-08-27_245600f18b0df70f50a259202cb26a55_cryptolocker_JC.exe	86

C:\Users\Admin\AppData\Local\Temp\2023-08-27_245600f18b0df70f50a259202cb26a55_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2023-08-27_245600f18b0df70f50a259202cb26a55_cryptolocker_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1872
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1032

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
69KB

MD5
40561dbc4b9a03fb26a180184ac55c9c

SHA1
6856a313f3f12161b9dd9a9d388bc21e679b5999

SHA256
76797444d213341c61d710bf33de4f40134aab9ce97240e80d736da382ed5034

SHA512
3701a49b5144c0b10dc5036e6c50d9540a6e93918d079e819e1934e56144afed906ca24752e6a596d8cb898d5a19536d6f031342e07f9991afaeebd705431992

Download Submit
C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
69KB

MD5
40561dbc4b9a03fb26a180184ac55c9c

SHA1
6856a313f3f12161b9dd9a9d388bc21e679b5999

SHA256
76797444d213341c61d710bf33de4f40134aab9ce97240e80d736da382ed5034

SHA512
3701a49b5144c0b10dc5036e6c50d9540a6e93918d079e819e1934e56144afed906ca24752e6a596d8cb898d5a19536d6f031342e07f9991afaeebd705431992

Download Submit
C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
69KB

MD5
40561dbc4b9a03fb26a180184ac55c9c

SHA1
6856a313f3f12161b9dd9a9d388bc21e679b5999

SHA256
76797444d213341c61d710bf33de4f40134aab9ce97240e80d736da382ed5034

SHA512
3701a49b5144c0b10dc5036e6c50d9540a6e93918d079e819e1934e56144afed906ca24752e6a596d8cb898d5a19536d6f031342e07f9991afaeebd705431992

Download Submit
memory/1032-18-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/1032-17-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/1872-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1872-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1872-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download