fb1c85a5cac8770cf39d669e4d43fa59a00186ac7a7ab52802adc88ca3aa3881

Analysis

max time kernel
150s
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
10/10/2024, 02:45

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General

Target

2024-10-10_172da8b0a61a9e79b0af83fc7eee4046_cryptolocker.exe
Size

50KB
MD5

172da8b0a61a9e79b0af83fc7eee4046
SHA1

5e9b116097a9d0212e8e2d48a0a4dec7a9e8ddac
SHA256

fb1c85a5cac8770cf39d669e4d43fa59a00186ac7a7ab52802adc88ca3aa3881
SHA512

15e9658ae102d1a324988216d8a02b7b1a21375cca4c1cb33ac1ce900aa71519aa31b649db590b71ed8bc1ee0283938568eaf64de15bf3f741b525b08f8cb4ca
SSDEEP

768:26LsoVEeegiZPvEhHSP+gDdQtOOtEvwDpjtMLZdzuqpXsiE8Wq/DpkITI:26Q0ElP6G+gBQMOtEvwDpjgWMl7TI

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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	2024-10-10_172da8b0a61a9e79b0af83fc7eee4046_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2944	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	2024-10-10_172da8b0a61a9e79b0af83fc7eee4046_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 4256 wrote to memory of 2944	4256	2024-10-10_172da8b0a61a9e79b0af83fc7eee4046_cryptolocker.exe	85
PID 4256 wrote to memory of 2944	4256	2024-10-10_172da8b0a61a9e79b0af83fc7eee4046_cryptolocker.exe	85
PID 4256 wrote to memory of 2944	4256	2024-10-10_172da8b0a61a9e79b0af83fc7eee4046_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-10_172da8b0a61a9e79b0af83fc7eee4046_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-10_172da8b0a61a9e79b0af83fc7eee4046_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4256
- 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:2944

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
50KB

MD5
8d607245007430315e20fbcd74f35ce6

SHA1
67745cd0487e92b6d4578a643dd921b855a96679

SHA256
0f82e15759b769b080560c9f67b559de39570c43e2c4c616ec9a093b8f82d429

SHA512
f3497d5dab70385a5f57831ca89640e698350e03273830b88e82eb9cbbfc46c29db649458eb996613f0f331e54fefa2dd3f4283d10613bd52bf04f893d7770cc

Download Submit
memory/2944-19-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/2944-20-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/2944-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4256-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4256-1-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download
memory/4256-2-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download
memory/4256-3-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/4256-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download