7bb2e79587497fa1979e2fe67ccadd246a9aefc164237169d2dd8d97f9b1eeef

Analysis

max time kernel
136s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08/09/2024, 03:01

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General

Target

2024-09-08_9a3d1e3a930822e1f7c149b0f99bd30b_cryptolocker.exe
Size

41KB
MD5

9a3d1e3a930822e1f7c149b0f99bd30b
SHA1

a5788b98c43912a22839239577e7142947e21b31
SHA256

7bb2e79587497fa1979e2fe67ccadd246a9aefc164237169d2dd8d97f9b1eeef
SHA512

14913bda0370b9471ee6043785d1e2d592532707132c40cd3bb320a82ace2d18f571cc2ada01ee8939f62d9c268b9a28733987e8656ea1c8997f4b7feaa78a0d
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754XcwxbFqZMV:bxNrC7kYo1Fxf3s05rwxbFr

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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	2024-09-08_9a3d1e3a930822e1f7c149b0f99bd30b_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3488	pissa.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	2024-09-08_9a3d1e3a930822e1f7c149b0f99bd30b_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pissa.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 3488	2716	2024-09-08_9a3d1e3a930822e1f7c149b0f99bd30b_cryptolocker.exe	84
PID 2716 wrote to memory of 3488	2716	2024-09-08_9a3d1e3a930822e1f7c149b0f99bd30b_cryptolocker.exe	84
PID 2716 wrote to memory of 3488	2716	2024-09-08_9a3d1e3a930822e1f7c149b0f99bd30b_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-08_9a3d1e3a930822e1f7c149b0f99bd30b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-08_9a3d1e3a930822e1f7c149b0f99bd30b_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2716
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3488

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\pissa.exe

Filesize
41KB

MD5
e9aea1b18a398c27c45b1a86cf3c1fc6

SHA1
0735c1fd47cad606d39bd0e43345e54a9db153e0

SHA256
6d17e23fe38e76dd3f1f6872734bdbe5c8884f15a76d5ca5826854376639ee2e

SHA512
3afe292a937bda477a522801ec57a176b3840d8915f17077050e9d60b46c82a199171c07d7cd7f2393f37ce06b589c697fc35d24fb30e9c8f5ea50a40168c66e

Download Submit
memory/2716-0-0x0000000002340000-0x0000000002346000-memory.dmp

Filesize
24KB

Download
memory/2716-1-0x0000000002340000-0x0000000002346000-memory.dmp

Filesize
24KB

Download
memory/2716-2-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/3488-18-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/3488-17-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download