cce46c91391e8881555216a35173573b1c31515cb6fddc1e22b7e19bccd0cfeb

Analysis

max time kernel
149s
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
02-11-2024 06:19

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General

Target

2024-11-02_b814c7ca960a942b19d2d708bf970217_cryptolocker.exe
Size

44KB
MD5

b814c7ca960a942b19d2d708bf970217
SHA1

1205c137645eee5017c50cfe275115316ea2c7f4
SHA256

cce46c91391e8881555216a35173573b1c31515cb6fddc1e22b7e19bccd0cfeb
SHA512

a12552f53a509768ce9acb8fc16ffe48f0ab0c0653d38110ca6968c40446618d96756cb9851717cbfbcedf4dfd47841b8f09fbb5175a86c77a667b9ebec6b270
SSDEEP

768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6WaJIOc+UPPEkL7vF1TJ:YGzl5wjRQBBOsP1QMOtEvwDpjgarrkLJ

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_b814c7ca960a942b19d2d708bf970217_cryptolocker.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	2024-11-02_b814c7ca960a942b19d2d708bf970217_cryptolocker.exe

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

2544 asih.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2544	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_b814c7ca960a942b19d2d708bf970217_cryptolocker.exeasih.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-02_b814c7ca960a942b19d2d708bf970217_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-11-02_b814c7ca960a942b19d2d708bf970217_cryptolocker.exe

description	pid	process	target process
PID 3280 wrote to memory of 2544	3280	2024-11-02_b814c7ca960a942b19d2d708bf970217_cryptolocker.exe	asih.exe
PID 3280 wrote to memory of 2544	3280	2024-11-02_b814c7ca960a942b19d2d708bf970217_cryptolocker.exe	asih.exe
PID 3280 wrote to memory of 2544	3280	2024-11-02_b814c7ca960a942b19d2d708bf970217_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-02_b814c7ca960a942b19d2d708bf970217_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-02_b814c7ca960a942b19d2d708bf970217_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3280

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:2544

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
44KB

MD5
780d5253a5b65d87ceb23cde1a555bdd

SHA1
e60f6f9f0471cfef147a39805fea156dbb218ddb

SHA256
894402b6ec832206b920921f935bcfe72079150d4240cf9054afcef718c30b14

SHA512
9e1b31689a2f74afc17163404be49de4cdf9463ddfae45bfc3a60ad4b0a5e309029c5cbfb8a225803d301c7a3fea67e7ea34c7d99c9b7ea6f328b4868951a9fa

Download Submit
memory/2544-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2544-20-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/2544-21-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/2544-27-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3280-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3280-1-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/3280-2-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/3280-7-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/3280-18-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download