8603283868f350f9e4ddd611d8936398cbb588cbadc9a11cd9acc42416acff42

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
05/10/2024, 03:39

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General

Target

2024-10-05_7ad5577b7a5bba54e8456d071bae1c01_cryptolocker.exe
Size

66KB
MD5

7ad5577b7a5bba54e8456d071bae1c01
SHA1

1927c76f6cb743d83254dd05d5f78458fb1e8ce9
SHA256

8603283868f350f9e4ddd611d8936398cbb588cbadc9a11cd9acc42416acff42
SHA512

7adf0ae73bbfb83550bb93d0753b667c14f2a41eb2260380100eda7b63a32aadea03477073823de5e7d279d385b1fe31a0e9fb49a52c04dedad66d82a92878a4
SSDEEP

1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61vSbgtsic:BbdDmjr+OtEvwDpjM8V

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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	2024-10-05_7ad5577b7a5bba54e8456d071bae1c01_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2544	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	2024-10-05_7ad5577b7a5bba54e8456d071bae1c01_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 3292 wrote to memory of 2544	3292	2024-10-05_7ad5577b7a5bba54e8456d071bae1c01_cryptolocker.exe	84
PID 3292 wrote to memory of 2544	3292	2024-10-05_7ad5577b7a5bba54e8456d071bae1c01_cryptolocker.exe	84
PID 3292 wrote to memory of 2544	3292	2024-10-05_7ad5577b7a5bba54e8456d071bae1c01_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-10-05_7ad5577b7a5bba54e8456d071bae1c01_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-05_7ad5577b7a5bba54e8456d071bae1c01_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3292
- 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
66KB

MD5
a0886d6fb4e390b6b6d9ea02c5e8e35d

SHA1
72bca6c1747dfe67560b09b0dbdb40e02c1d98c4

SHA256
6f78016696698ab63adfdd868eb7d62c465bfb598bf92144cb529cebaca6d5a7

SHA512
517b49a7b5ed217ec6fb8e15b2cfb53c34de1e6dad8c15aa47e8f25bbe1d66d281d440f9fa9706a252392faef74fe2596d15e0efcaaa66c9eacf4106a7866588

Download Submit
memory/2544-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2544-26-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2544-27-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3292-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3292-1-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/3292-2-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/3292-3-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/3292-18-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download