cce0c6d04499ec7767657c62eed77481c2ed193d19ecda4ab25e2d328ce11760

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
19/09/2024, 03:48

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General

Target

2024-09-19_ff90b2ce0f5e34f843cb9e0e782649fe_cryptolocker.exe
Size

42KB
MD5

ff90b2ce0f5e34f843cb9e0e782649fe
SHA1

11fa2e7b4f4980ad1472f056412668ee3c4c574c
SHA256

cce0c6d04499ec7767657c62eed77481c2ed193d19ecda4ab25e2d328ce11760
SHA512

ce9d38ffcc442000a3fccee41c9eb7c7e0c435255e666c8a655041b4e9f6e12588bb70fef3c6d63e2c1c6ed8c9d0fe49bbec9908087a8cfa2c1c134cc0c3fddc
SSDEEP

768:bA74zYcgT/Ekd0ryfjPIunqpeNswmT3HwnCq:bA6YcA/X6G0W143Q5

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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	2024-09-19_ff90b2ce0f5e34f843cb9e0e782649fe_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2792	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_ff90b2ce0f5e34f843cb9e0e782649fe_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 1640 wrote to memory of 2792	1640	2024-09-19_ff90b2ce0f5e34f843cb9e0e782649fe_cryptolocker.exe	82
PID 1640 wrote to memory of 2792	1640	2024-09-19_ff90b2ce0f5e34f843cb9e0e782649fe_cryptolocker.exe	82
PID 1640 wrote to memory of 2792	1640	2024-09-19_ff90b2ce0f5e34f843cb9e0e782649fe_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-19_ff90b2ce0f5e34f843cb9e0e782649fe_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_ff90b2ce0f5e34f843cb9e0e782649fe_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1640
- 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:2792

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
42KB

MD5
f24ad46631ee913229916fd991f3fc6a

SHA1
d79fcf248566c3d3d501aa5c8e2caf75b4f1db1f

SHA256
4724426d08b9c61563a0739f0088e96e2f98b785f2f94be06700e0d73aa87e90

SHA512
bb8454c28a9ee91758f81abab5b7b0c791b8782f8e4f260d6d9e9b6ee339f735b1345bd9cc1e40cd781b6936e981bb022298858be9d6022b9e22f8fb9ed9d85a

Download Submit
memory/1640-0-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1640-1-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1640-2-0x0000000002300000-0x0000000002306000-memory.dmp

Filesize
24KB

Download
memory/2792-23-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/2792-17-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download