8798c308be5591a8861b8eb151c7d9db0b274e06e5bbe6412f64e101251a18db

Analysis

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

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02-10-2024 01:25

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General

Target

2024-10-02_325a62baea5d14d36738fbba9fc16db4_cryptolocker.exe
Size

42KB
MD5

325a62baea5d14d36738fbba9fc16db4
SHA1

bb308ee4459324d5892ac6e849c3a76b0d4b1781
SHA256

8798c308be5591a8861b8eb151c7d9db0b274e06e5bbe6412f64e101251a18db
SHA512

caa2325b289bd775bc6d9da41bc4441fcb9e043edb179d4606047283be2deb5911779cca667681ec684ac966a7c3a000f1dc951f44a5c6b6d036fe2f4610cd98
SSDEEP

768:bA74zYcgT/Ekd0ryfjPIunqpeNswmT3HwnC/:bA6YcA/X6G0W143Q4

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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	2024-10-02_325a62baea5d14d36738fbba9fc16db4_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3688	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	2024-10-02_325a62baea5d14d36738fbba9fc16db4_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 1532 wrote to memory of 3688	1532	2024-10-02_325a62baea5d14d36738fbba9fc16db4_cryptolocker.exe	82
PID 1532 wrote to memory of 3688	1532	2024-10-02_325a62baea5d14d36738fbba9fc16db4_cryptolocker.exe	82
PID 1532 wrote to memory of 3688	1532	2024-10-02_325a62baea5d14d36738fbba9fc16db4_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-10-02_325a62baea5d14d36738fbba9fc16db4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-02_325a62baea5d14d36738fbba9fc16db4_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1532
- 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:3688

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
43KB

MD5
6c858b9549b2e71b1e500027511ae350

SHA1
d9d10a70e08f6ec82edfe3bebefa9ac79673a0eb

SHA256
536c3339b53fd2dc4d7678c13bd5c3b3ba0670854f7c233c309b431ab70e697c

SHA512
114f34d4b68df851fbe0ceab47af032de406748c8f1c333844fdbd87829875a25dfbf193579d2cdf7da7e8ea8e6f97e00b5cd90540f0cad852de5b412d88a30c

Download Submit
memory/1532-0-0x0000000002E90000-0x0000000002E96000-memory.dmp

Filesize
24KB

Download
memory/1532-1-0x0000000002E90000-0x0000000002E96000-memory.dmp

Filesize
24KB

Download
memory/1532-2-0x0000000003140000-0x0000000003146000-memory.dmp

Filesize
24KB

Download
memory/3688-17-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/3688-19-0x0000000003000000-0x0000000003006000-memory.dmp

Filesize
24KB

Download