1941325d033f6e2fba1576920ff3c0068a79a8d8b50b82738287f01f52c28802

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 23:33

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-10-09_a2b2319ad60b25b2d55e141d72350ec4_cryptolocker.exe
Size

41KB
MD5

a2b2319ad60b25b2d55e141d72350ec4
SHA1

fb4cff1ca329488a167914f5ebc9de4d038bf555
SHA256

1941325d033f6e2fba1576920ff3c0068a79a8d8b50b82738287f01f52c28802
SHA512

b702e8e73703d19061e17ad7555e3c616c063ff614c199a52c95c1fe22d5e04d69647d7d23d95087ec81bea19862478fcab9d3a988cd187dcd8356dc860b9ebb
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YbDChF:bgGYcA/53GAA6y37v

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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	2024-10-09_a2b2319ad60b25b2d55e141d72350ec4_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2976	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	2024-10-09_a2b2319ad60b25b2d55e141d72350ec4_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 2016 wrote to memory of 2976	2016	2024-10-09_a2b2319ad60b25b2d55e141d72350ec4_cryptolocker.exe	86
PID 2016 wrote to memory of 2976	2016	2024-10-09_a2b2319ad60b25b2d55e141d72350ec4_cryptolocker.exe	86
PID 2016 wrote to memory of 2976	2016	2024-10-09_a2b2319ad60b25b2d55e141d72350ec4_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-10-09_a2b2319ad60b25b2d55e141d72350ec4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-09_a2b2319ad60b25b2d55e141d72350ec4_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2016
- 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:2976

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\hasfj.exe

Filesize
41KB

MD5
c672ed45bf225912b824ddfd73a3aad9

SHA1
aa26d088784429c83dcc2f61207adc2e2a785597

SHA256
b7ad506ff190641ceca4ac743c85cb7f9985ee6eb86838f98c913d32d82f2539

SHA512
c895f2d2699c81a3d50965a645d725cc834e782b81f25b4c155b1435efdcc8c7f283ae895ad7f834e97e8a11a8cd0e49577986b38fc9aaf0b89112341056b29f

Download Submit
memory/2016-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/2016-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/2016-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/2976-23-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/2976-17-0x00000000020C0000-0x00000000020C6000-memory.dmp

Filesize
24KB

Download