46fd1d0cff322d94259be3cfcdf9e1679de5962ff2c569a62e8e06755a77512f

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-11-2024 06:29

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General

Target

2024-11-02_1370f4900667c38b3b3626e0aa3e04b0_cryptolocker.exe
Size

31KB
MD5

1370f4900667c38b3b3626e0aa3e04b0
SHA1

effeb21c642a8a002f4822a94360a5c140d06bf0
SHA256

46fd1d0cff322d94259be3cfcdf9e1679de5962ff2c569a62e8e06755a77512f
SHA512

24a1161f36502ee677146d645bb893e8014bbbe8f29b1a814dcc2f124941e4e08aac5bc9413a579e3a12df3ac4d6577211bffcab49628910fb8b8e517f696d1c
SSDEEP

768:I6LsoEEeegiZPvEhHSG+gbIBrtOOtEvwDpj79:I6QFElP6n+gs5MOtEvwDpjp

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

Processes:

2024-11-02_1370f4900667c38b3b3626e0aa3e04b0_cryptolocker.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	2024-11-02_1370f4900667c38b3b3626e0aa3e04b0_cryptolocker.exe

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

1292 asih.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1292	asih.exe

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

Processes:

2024-11-02_1370f4900667c38b3b3626e0aa3e04b0_cryptolocker.exeasih.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-02_1370f4900667c38b3b3626e0aa3e04b0_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-11-02_1370f4900667c38b3b3626e0aa3e04b0_cryptolocker.exe

description	pid	process	target process
PID 1868 wrote to memory of 1292	1868	2024-11-02_1370f4900667c38b3b3626e0aa3e04b0_cryptolocker.exe	asih.exe
PID 1868 wrote to memory of 1292	1868	2024-11-02_1370f4900667c38b3b3626e0aa3e04b0_cryptolocker.exe	asih.exe
PID 1868 wrote to memory of 1292	1868	2024-11-02_1370f4900667c38b3b3626e0aa3e04b0_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-02_1370f4900667c38b3b3626e0aa3e04b0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-02_1370f4900667c38b3b3626e0aa3e04b0_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1868

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:1292

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
31KB

MD5
e90676427e6038767ec8e0af344fb558

SHA1
a1cbe86ce75c057625a5f8c13aae0cc8b98b2b96

SHA256
c8c7dff7e37b03f52d0b6ac6154fc54cc19f0d180aef7429f89f14f2649b7a39

SHA512
5728424d9d379d86dc02fc365460c45a62c20bf77de1795c2c7cdf3d4ee9575e5d4c009d7b56bbb78220e04b73ceda609574da3b63e2b65dd34a51522b2cc8b9

Download Submit
memory/1292-19-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/1292-20-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/1292-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1868-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1868-1-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/1868-2-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/1868-3-0x0000000000760000-0x0000000000766000-memory.dmp

Filesize
24KB

Download
memory/1868-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download