9ce474975a9b57edd0e3838b1604634d8f54a6149261eb489c78d70c4ca17462

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 07:26

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General

Target

2024-11-21_1cd4b4188682e4e639097879efb69921_cryptolocker.exe
Size

73KB
MD5

1cd4b4188682e4e639097879efb69921
SHA1

0162a4ae9d13b7668e8062379170f96a86dc601e
SHA256

9ce474975a9b57edd0e3838b1604634d8f54a6149261eb489c78d70c4ca17462
SHA512

cf85a3c9362e5aa98307220c6aec64427db75feb1a3d514edfccf9f02b7c8c88e97b26cbdefde0c31eb6bf4108b9a8173bf8326c7a42921039ffc6406eb16d2f
SSDEEP

1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUNZO3:DW60sllyWOtEvwDpjwF85g

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

Processes:

2024-11-21_1cd4b4188682e4e639097879efb69921_cryptolocker.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	2024-11-21_1cd4b4188682e4e639097879efb69921_cryptolocker.exe

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid	Process
5064	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

Processes:

2024-11-21_1cd4b4188682e4e639097879efb69921_cryptolocker.exeasih.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-21_1cd4b4188682e4e639097879efb69921_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-11-21_1cd4b4188682e4e639097879efb69921_cryptolocker.exe

description	pid	Process	procid_target
PID 1036 wrote to memory of 5064	1036	2024-11-21_1cd4b4188682e4e639097879efb69921_cryptolocker.exe	82
PID 1036 wrote to memory of 5064	1036	2024-11-21_1cd4b4188682e4e639097879efb69921_cryptolocker.exe	82
PID 1036 wrote to memory of 5064	1036	2024-11-21_1cd4b4188682e4e639097879efb69921_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-11-21_1cd4b4188682e4e639097879efb69921_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-21_1cd4b4188682e4e639097879efb69921_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1036
- 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:5064

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
7f037e23c8bc5be746fb6ab4fc9f38de

SHA1
e23d6daf30ddb8aef76810ea22bbf5c20666d2b3

SHA256
56ed87d8a4994d6be688a4a2a1cc6e93451a266dc1b45eebc5ee2749a06f96bc

SHA512
3ca27efdc51f3a3c5273ceffb5da9e3b2b3c6732eda98db64aa43af2bafa93a24623e4bd7b2eeb5a19df7a00468fc1d17066e8dbcb76f7a7a8dc310538838f03

Download Submit
memory/1036-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1036-1-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/1036-2-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/1036-3-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/1036-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/5064-25-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/5064-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download