73d15e591700dbdc868ccd30374f2b0133618078ca0eeb7852204f6ea62f7793

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
29/08/2024, 07:46

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General

Target

2024-08-29_0e2924a71e2a6724783a2549bd8bccc9_cryptolocker.exe
Size

35KB
MD5

0e2924a71e2a6724783a2549bd8bccc9
SHA1

2bdb5bc6c0071ac0795c61655fd99d916c2ded49
SHA256

73d15e591700dbdc868ccd30374f2b0133618078ca0eeb7852204f6ea62f7793
SHA512

fb2c33fce5146ee8924bfc82ff3908921138a9e3d20e80d1da55714d4d9ef33f66f560a67be6a5481f8931644292cf9c4b093ae77f96d5867c87d21e68e1aa5b
SSDEEP

384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGXvJF3SL97:bG74zYcgT/Ekd0ryfjkbCL97

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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	2024-08-29_0e2924a71e2a6724783a2549bd8bccc9_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4572	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	2024-08-29_0e2924a71e2a6724783a2549bd8bccc9_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 3880 wrote to memory of 4572	3880	2024-08-29_0e2924a71e2a6724783a2549bd8bccc9_cryptolocker.exe	85
PID 3880 wrote to memory of 4572	3880	2024-08-29_0e2924a71e2a6724783a2549bd8bccc9_cryptolocker.exe	85
PID 3880 wrote to memory of 4572	3880	2024-08-29_0e2924a71e2a6724783a2549bd8bccc9_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-08-29_0e2924a71e2a6724783a2549bd8bccc9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-29_0e2924a71e2a6724783a2549bd8bccc9_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3880
- 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:4572

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
35KB

MD5
c1af7cc8a48831052d7028d1fe3cc7d6

SHA1
53b3536c923a90d30269ab8fd155a5b4fbd6f7e2

SHA256
2d7c1e5d6aaeab06435f278371c63493ee5894f56eeab26bc3282e24241379db

SHA512
fbb61fe9e618adca71f50c59c1704867d76fc95e6aebd359a9cb3bd49caa8f518a0f73d3c350a08f13bb0cfcfa54942130564e7ba042312c90f7ca2ab6bf53e3

Download Submit
memory/3880-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/3880-1-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/3880-2-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/3880-3-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/3880-17-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/4572-19-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/4572-25-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download
memory/4572-26-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download