985e17ea08fa616547aa2e88b0cc4e90b1dd5dfd3054402be3f1e02889cb39eb

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21/11/2024, 06:45

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General

Target

2024-11-21_4a6ecf7b77344638d5dcbfc79c8d017c_cryptolocker.exe
Size

79KB
MD5

4a6ecf7b77344638d5dcbfc79c8d017c
SHA1

c972eb6dc1776ca4776da25150e39abfc86062e6
SHA256

985e17ea08fa616547aa2e88b0cc4e90b1dd5dfd3054402be3f1e02889cb39eb
SHA512

f9f107868961020876daea5f610ac2205b1c2b51fc04111ca0cd8c830f0e1b77f81f0a60dd81ae1f39f96b139b49b482f7550f626619f25abac9a67a3454ffe7
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHsoLktr:X6a+SOtEvwDpjBZYvQd2C

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	2024-11-21_4a6ecf7b77344638d5dcbfc79c8d017c_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4152	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	2024-11-21_4a6ecf7b77344638d5dcbfc79c8d017c_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 4780 wrote to memory of 4152	4780	2024-11-21_4a6ecf7b77344638d5dcbfc79c8d017c_cryptolocker.exe	83
PID 4780 wrote to memory of 4152	4780	2024-11-21_4a6ecf7b77344638d5dcbfc79c8d017c_cryptolocker.exe	83
PID 4780 wrote to memory of 4152	4780	2024-11-21_4a6ecf7b77344638d5dcbfc79c8d017c_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-11-21_4a6ecf7b77344638d5dcbfc79c8d017c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-21_4a6ecf7b77344638d5dcbfc79c8d017c_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4780
- 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:4152

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\asih.exe

Filesize
79KB

MD5
7494d02a3e70f4d295e7db8f5f6718cf

SHA1
2bc386c820389887597f53efbb6db0a659f82019

SHA256
ea6957cdc95365e340299c5937931059ae8296d28c5a51534623451080e1bb81

SHA512
57924f38b682c8e51dfdbe46541dc279719ba35988efb867ba630551eb52334cf7c7ff4543e82cae4146644bf8c92cba249fa4b2a4d22b822571a391aab36749

Download Submit
memory/4152-17-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/4780-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/4780-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/4780-2-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download