c97c34bbc404497c00d67727cb10b9732577acec5665a482d9734bcd639ae37c

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 02:50

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-09-19_67c8776529ef141273720a6e75c177c5_cryptolocker.exe
Size

33KB
MD5

67c8776529ef141273720a6e75c177c5
SHA1

3b91f56e833740480b7e4a82fef03fe43c8b798f
SHA256

c97c34bbc404497c00d67727cb10b9732577acec5665a482d9734bcd639ae37c
SHA512

5ec7b68bac19f8ae5670b7de27d7bde7ebf9ce8541d5f7b0a4a1e30edecb4ea3e492e52ffdcccac2de809b51b88211ad83e4a87c3dd6b7a40fa4cf243aff3336
SSDEEP

384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGOFPk:bG74zYcgT/Ekd0ryfjE

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	2024-09-19_67c8776529ef141273720a6e75c177c5_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1120	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	2024-09-19_67c8776529ef141273720a6e75c177c5_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 4528 wrote to memory of 1120	4528	2024-09-19_67c8776529ef141273720a6e75c177c5_cryptolocker.exe	82
PID 4528 wrote to memory of 1120	4528	2024-09-19_67c8776529ef141273720a6e75c177c5_cryptolocker.exe	82
PID 4528 wrote to memory of 1120	4528	2024-09-19_67c8776529ef141273720a6e75c177c5_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-19_67c8776529ef141273720a6e75c177c5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_67c8776529ef141273720a6e75c177c5_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4528
- 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:1120

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
33KB

MD5
4abe4e2a3d5216241d87abe066377d67

SHA1
2f85e33a5bfa81625e8a35cce1ce006f69ca45e0

SHA256
6c73ac83d406282b3d8ca948a57db53305650c9f608dce9b7a13b742517aa7ab

SHA512
397244d5ed9dbef3ef35790cfe490cb49c8e919321115b395d82bf11f9ad4f493fa462f4d4ed3cbed4932ea5b1501c2f7ad40668f234d29ab0e83bdff7186c5d

Download Submit
memory/1120-20-0x0000000003000000-0x0000000003006000-memory.dmp

Filesize
24KB

Download
memory/1120-19-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/1120-26-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/4528-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/4528-1-0x00000000022C0000-0x00000000022C6000-memory.dmp

Filesize
24KB

Download
memory/4528-2-0x00000000022C0000-0x00000000022C6000-memory.dmp

Filesize
24KB

Download
memory/4528-3-0x0000000003140000-0x0000000003146000-memory.dmp

Filesize
24KB

Download
memory/4528-17-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download