45a4e6a72afb0bd68362e69be8c712a6df54051ec897e4b76789b288a2596731

Analysis

max time kernel
148s
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
15/10/2024, 04:00

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General

Target

2024-10-15_f731807ffb6211816de7201d89804771_cryptolocker.exe
Size

43KB
MD5

f731807ffb6211816de7201d89804771
SHA1

e763fd9e4d6f32ef698ec601b8e8c73376d656b4
SHA256

45a4e6a72afb0bd68362e69be8c712a6df54051ec897e4b76789b288a2596731
SHA512

b6d1ddeae078536327a5e7b41bab423af57681d6c03842b37d7ff8e82b397ca6b6a77149b40104ba054511e4938ff3ac664dc64621168485b37457b9a3e43f93
SSDEEP

768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6j4AYsqSh+DETkedmhTTHFc:YGzl5wjRQBBOsP1QMOtEvwDpjl39+D+5

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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	2024-10-15_f731807ffb6211816de7201d89804771_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1324	asih.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	2024-10-15_f731807ffb6211816de7201d89804771_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1340 wrote to memory of 1324	1340	2024-10-15_f731807ffb6211816de7201d89804771_cryptolocker.exe	86
PID 1340 wrote to memory of 1324	1340	2024-10-15_f731807ffb6211816de7201d89804771_cryptolocker.exe	86
PID 1340 wrote to memory of 1324	1340	2024-10-15_f731807ffb6211816de7201d89804771_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-10-15_f731807ffb6211816de7201d89804771_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-15_f731807ffb6211816de7201d89804771_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1340
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1324

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\asih.exe

Filesize
44KB

MD5
48443d49a7abd8ac94a4c9468a187664

SHA1
5f4b82c3a106153635400acfe87021d54960abc1

SHA256
dea6131e39e38c41ee577bc73e544e837f9dbe9bf89611922cc39a67b5150ac2

SHA512
2509c8548ce6c4f4f225358a32775abfd6cc1c685e0ffe8eabead65f69d9ae28db754557175573d87ab1b236e3dc1c3a00e3dd992082c1a3cdd26f5f4a969917

Download Submit
memory/1324-25-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1340-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1340-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1340-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1340-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/1340-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download