eff6630e9c917cdfad8c2f373c480832657b0c24d78ace72edb74d6894259707

Analysis

max time kernel
150s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/09/2024, 08:23

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General

Target

2024-09-21_ed22e4fa0e95ee08c2b409f66da6dd1b_cryptolocker.exe
Size

47KB
MD5

ed22e4fa0e95ee08c2b409f66da6dd1b
SHA1

d1dc6f9505fc4116989ee650aeeae0a2d5825595
SHA256

eff6630e9c917cdfad8c2f373c480832657b0c24d78ace72edb74d6894259707
SHA512

ed518439532707d4e0f4a0fb3ded48d9ecf0cbc424500964c8808a882a621087ae0eb7f7cca469731e5288cd031f6b315f24081911329cef5a68635d3c6ed7ee
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6dIKlm:bgGYcA/53GAA6y37Q6dI+m

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	2024-09-21_ed22e4fa0e95ee08c2b409f66da6dd1b_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3460	hasfj.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	2024-09-21_ed22e4fa0e95ee08c2b409f66da6dd1b_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hasfj.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4336 wrote to memory of 3460	4336	2024-09-21_ed22e4fa0e95ee08c2b409f66da6dd1b_cryptolocker.exe	82
PID 4336 wrote to memory of 3460	4336	2024-09-21_ed22e4fa0e95ee08c2b409f66da6dd1b_cryptolocker.exe	82
PID 4336 wrote to memory of 3460	4336	2024-09-21_ed22e4fa0e95ee08c2b409f66da6dd1b_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-21_ed22e4fa0e95ee08c2b409f66da6dd1b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-21_ed22e4fa0e95ee08c2b409f66da6dd1b_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4336
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3460

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

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Downloads

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

Filesize
47KB

MD5
d5f0dedc71a96c7b9c6a4fc1c17df82a

SHA1
6a05f5fff432455f16ec9ec2daca85c7348f7ff9

SHA256
bd3b1be07028c380bba96279f9eda8486b59c12a9e80dc8cd29e72160c4eae81

SHA512
b04eea653ee7b63c6b6ed4580c8f418d672f89eb67437936f43715087198757b5e1aaf272d35abcf625259b7d4d8134a6c2b530acfe3700e76e2f6e00df74440

Download Submit
memory/3460-23-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download
memory/3460-17-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download
memory/4336-0-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/4336-1-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/4336-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download