c5124c53041f396abb1061767de1d88b76563f2f2f8696236603977b7af8623f

Analysis

max time kernel
150s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30/09/2024, 03:36

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General

Target

2024-09-30_b4f5ffdd1c15863038e86116accaf458_cryptolocker.exe
Size

35KB
MD5

b4f5ffdd1c15863038e86116accaf458
SHA1

7a4507950ef033fd9af84cf134ca6e9b0eb301d1
SHA256

c5124c53041f396abb1061767de1d88b76563f2f2f8696236603977b7af8623f
SHA512

e5c2fdcd3f83726637b50ae2a6173c9ad9b87b275255aacf674a32b1ddb6fd04e0bc03e4dfb50f2ae3c8ee91c452f5e95a2be1bf960b1f3850a96955391a9dc8
SSDEEP

384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGXvJF3Sj:bG74zYcgT/Ekd0ryfjkbCj

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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	2024-09-30_b4f5ffdd1c15863038e86116accaf458_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3728	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	2024-09-30_b4f5ffdd1c15863038e86116accaf458_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 724 wrote to memory of 3728	724	2024-09-30_b4f5ffdd1c15863038e86116accaf458_cryptolocker.exe	82
PID 724 wrote to memory of 3728	724	2024-09-30_b4f5ffdd1c15863038e86116accaf458_cryptolocker.exe	82
PID 724 wrote to memory of 3728	724	2024-09-30_b4f5ffdd1c15863038e86116accaf458_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-30_b4f5ffdd1c15863038e86116accaf458_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-30_b4f5ffdd1c15863038e86116accaf458_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:724
- 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:3728

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
7ed1f08ee545a5c2a2e8b756388a63fa

SHA1
9bea73b8c5ad6ae84cbd43084fcd0e98add98d40

SHA256
c4b710381eee1361e07b4d6cd0182fdb1be71bb233e259fcad4e3d7111a9de9e

SHA512
dcac576b45022c8a63819543c69ef8d9fd72c5cc8c46d33ec6d3e960d28712eb4274872683b4d28702f588026760c6caf41ba2d0dd4bc621104b109e8ce09922

Download Submit
memory/724-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/724-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/724-2-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/724-3-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/724-17-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/3728-25-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/3728-19-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/3728-26-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download