669cebb643f0b003ad4d2c9646f7e3b7d977dec3f7e775b51f27e16b20c75ab8

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18/10/2024, 02:37

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General

Target

2024-10-18_7e91da66fdd0d67239af9edc144f8237_cryptolocker.exe
Size

35KB
MD5

7e91da66fdd0d67239af9edc144f8237
SHA1

8e54f314161bb24e679fc797f42b5b32d6b40354
SHA256

669cebb643f0b003ad4d2c9646f7e3b7d977dec3f7e775b51f27e16b20c75ab8
SHA512

779196662725de24985d20629577f924a4aae3cf88131f54d14cc14b9dcc7aa0b566869073557f18a40be986af9830501b1a4f872903d6cd9f717fbe0d971c72
SSDEEP

384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGXvJF3SLY:bG74zYcgT/Ekd0ryfjkbCLY

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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	2024-10-18_7e91da66fdd0d67239af9edc144f8237_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3032	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	2024-10-18_7e91da66fdd0d67239af9edc144f8237_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 3148 wrote to memory of 3032	3148	2024-10-18_7e91da66fdd0d67239af9edc144f8237_cryptolocker.exe	85
PID 3148 wrote to memory of 3032	3148	2024-10-18_7e91da66fdd0d67239af9edc144f8237_cryptolocker.exe	85
PID 3148 wrote to memory of 3032	3148	2024-10-18_7e91da66fdd0d67239af9edc144f8237_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-18_7e91da66fdd0d67239af9edc144f8237_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-18_7e91da66fdd0d67239af9edc144f8237_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3148
- 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:3032

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\hasfj.exe

Filesize
35KB

MD5
4f31a57e9f143d310e2baafb48acd8ff

SHA1
9c0385c43e49d23b27c079b17a1caaf1002fc21c

SHA256
a48ffc50b672f9bfa4dff5f675598a8430d814be16e169c2acb64e29dc1e4493

SHA512
c2413d9c59a5b4b173833361e1ffdab94c1da9adb4581beb3e7ef77ab14e4835c5e81672f1302cc1e6569c6f5bcb2d338d376316fe7121c11a91ecc54bf9dd0a

Download Submit
memory/3032-19-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/3032-25-0x0000000002120000-0x0000000002126000-memory.dmp

Filesize
24KB

Download
memory/3032-26-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/3148-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/3148-1-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/3148-2-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/3148-3-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/3148-17-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download