c5b619acee6528fad812fd4210ceebc8d674e2bc493d63679653237784303d39

Analysis

max time kernel
148s
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
19-09-2024 05:27

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General

Target

2024-09-19_36096d28466e90a188f4fd1d5ddcfb68_cryptolocker.exe
Size

39KB
MD5

36096d28466e90a188f4fd1d5ddcfb68
SHA1

cca3a2b6e90a82f18d7353b8bbc726719bc09a69
SHA256

c5b619acee6528fad812fd4210ceebc8d674e2bc493d63679653237784303d39
SHA512

ee093c84f8522f237d929f25e37dad0d3954c865cfd85952b6362d285f53af77e7f7b102b5cecb1e2a2df340e244c79e32b5cf53f8692f6a2b95c82c5b69a37c
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFCw06:X6QFElP6n+gJQMOtEvwDpjBmzDU56

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	2024-09-19_36096d28466e90a188f4fd1d5ddcfb68_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3216	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	2024-09-19_36096d28466e90a188f4fd1d5ddcfb68_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 2520 wrote to memory of 3216	2520	2024-09-19_36096d28466e90a188f4fd1d5ddcfb68_cryptolocker.exe	82
PID 2520 wrote to memory of 3216	2520	2024-09-19_36096d28466e90a188f4fd1d5ddcfb68_cryptolocker.exe	82
PID 2520 wrote to memory of 3216	2520	2024-09-19_36096d28466e90a188f4fd1d5ddcfb68_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-19_36096d28466e90a188f4fd1d5ddcfb68_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_36096d28466e90a188f4fd1d5ddcfb68_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520
- 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:3216

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
39KB

MD5
1602c16bf7b54b387acebb78f894e652

SHA1
6164cdf6d129681c9cc3a89a78451d1c779d924a

SHA256
cd312cf600ced7dbce881f976f711f61c636741928e48d1e572151b8c436497e

SHA512
0fe2e863edf65b01697d74551cc0dc2bceda9c3cc44b9a5a8cf60d1d970ba4e898671af79437c6fea0a9b05b88ee1f60e22d93d9f63b5b2b65d22902f8fffaf0

Download Submit
memory/2520-0-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/2520-1-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/2520-2-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/3216-17-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/3216-23-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download