3a8ee0d6044261c870f671f7412df67b74466ce335d97f90b091903b5495b49c

Analysis

max time kernel
148s
max time network
154s
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, 03:36

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General

Target

2024-11-20_c3157bb469fa883104b46aa854565e6f_cryptolocker.exe
Size

72KB
MD5

c3157bb469fa883104b46aa854565e6f
SHA1

56a9f78fced323d092103e275e1a624f664e7e23
SHA256

3a8ee0d6044261c870f671f7412df67b74466ce335d97f90b091903b5495b49c
SHA512

a576833e511e93a19435e0c8e2d07ba6c4b95fffe6dbf0228ca494e49f337abd58ff8a275a7db9871e9581b1b249b14c1beba4d5c694bd837a360cea2acd1bb0
SSDEEP

1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUNZO5g:DW60sllyWOtEvwDpjwF85R

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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	2024-11-20_c3157bb469fa883104b46aa854565e6f_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2708	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_c3157bb469fa883104b46aa854565e6f_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 4572 wrote to memory of 2708	4572	2024-11-20_c3157bb469fa883104b46aa854565e6f_cryptolocker.exe	83
PID 4572 wrote to memory of 2708	4572	2024-11-20_c3157bb469fa883104b46aa854565e6f_cryptolocker.exe	83
PID 4572 wrote to memory of 2708	4572	2024-11-20_c3157bb469fa883104b46aa854565e6f_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-11-20_c3157bb469fa883104b46aa854565e6f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-20_c3157bb469fa883104b46aa854565e6f_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4572
- 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:2708

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

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Downloads

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

Filesize
73KB

MD5
ac0bf3ec3df9ee2638f2013fda188bcb

SHA1
9f5f377afb5f7f7b5ab9c0601005d415a791fe37

SHA256
27c4bace6cd4fc024ec02e0a94435ac20f4ef4842f9c9250bb11317a750bfcd6

SHA512
4e931ff0fd0fcbfc43cf87ede5bde14ec7018273f0c16ef5a4ba52495ef58f60ea0df6d6961d0d4af83a9e923fa8d2ff67cc24587fc2570716b609e64ee3848a

Download Submit
memory/2708-25-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2708-19-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/2708-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4572-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4572-1-0x0000000002140000-0x0000000002146000-memory.dmp

Filesize
24KB

Download
memory/4572-2-0x0000000002140000-0x0000000002146000-memory.dmp

Filesize
24KB

Download
memory/4572-3-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download
memory/4572-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download