71aeac1abe78ebb9b537f14e9b9be74fe98bd88441920a4804954f6d431e28ab

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/11/2024, 03:38

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-11-20_e134ec47e555d2dfd567600f05cbd773_cryptolocker.exe
Size

79KB
MD5

e134ec47e555d2dfd567600f05cbd773
SHA1

efbd36b215c2e1e45149e8ab9f61953da81a2506
SHA256

71aeac1abe78ebb9b537f14e9b9be74fe98bd88441920a4804954f6d431e28ab
SHA512

5de77fc2be47a0ea9c18e6c0c20b5c6f176bd3a4f920bce45b4f6af376c0ade9601311a7de4c728790fcf160f07677eecd6248d5cf0f32cc9a05342a6389a6ba
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHsoLktNw:X6a+SOtEvwDpjBZYvQd2v

Score

7^/10

discovery

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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	2024-11-20_e134ec47e555d2dfd567600f05cbd773_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
5016	asih.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-20_e134ec47e555d2dfd567600f05cbd773_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 920 wrote to memory of 5016	920	2024-11-20_e134ec47e555d2dfd567600f05cbd773_cryptolocker.exe	84
PID 920 wrote to memory of 5016	920	2024-11-20_e134ec47e555d2dfd567600f05cbd773_cryptolocker.exe	84
PID 920 wrote to memory of 5016	920	2024-11-20_e134ec47e555d2dfd567600f05cbd773_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-11-20_e134ec47e555d2dfd567600f05cbd773_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-20_e134ec47e555d2dfd567600f05cbd773_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:920
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5016

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
79KB

MD5
361c1c3c5d54b7794ebf6f3ddfb34d44

SHA1
9c36d1a28feb0e6e2d6ff4817d26607957950dba

SHA256
b3755588c7ba55826d82fa4005d4d9e592288dd44260efc42d988e75835319b3

SHA512
9efedf126669d57a23644237f7174586568cb7a9e09dc56aaa72620762273b1524273c4c9eefa6a06e41c724a276b71a75e99704f2b9264f97b212753985612f

Download Submit
memory/920-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/920-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/920-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download