81c530c19cafdaee2266681ce472db196f200d969cdb729ecee08d34572bf83e

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/09/2024, 14:24

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General

Target

2024-09-25_94e7adfc90a7f0d270138c89ce123ab9_cryptolocker.exe
Size

48KB
MD5

94e7adfc90a7f0d270138c89ce123ab9
SHA1

71859224d5282a33c95bb2c4c51120a7fe134d46
SHA256

81c530c19cafdaee2266681ce472db196f200d969cdb729ecee08d34572bf83e
SHA512

71ab614c50b8b1d52f10835db9ea264b193d099643637d030199f83ef301c7861001438f3164de11be514dbd9eaa80581a49867794b16d2e8577c0cbdc5ca66a
SSDEEP

768:26LsoVEeegiZPvEhHSP+gDdQtOOtEvwDpjtMLZdzuqpXsiE8Wq/DpkIT1:26Q0ElP6G+gBQMOtEvwDpjgWMl7T1

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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	2024-09-25_94e7adfc90a7f0d270138c89ce123ab9_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2492	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	2024-09-25_94e7adfc90a7f0d270138c89ce123ab9_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 4664 wrote to memory of 2492	4664	2024-09-25_94e7adfc90a7f0d270138c89ce123ab9_cryptolocker.exe	82
PID 4664 wrote to memory of 2492	4664	2024-09-25_94e7adfc90a7f0d270138c89ce123ab9_cryptolocker.exe	82
PID 4664 wrote to memory of 2492	4664	2024-09-25_94e7adfc90a7f0d270138c89ce123ab9_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-25_94e7adfc90a7f0d270138c89ce123ab9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-25_94e7adfc90a7f0d270138c89ce123ab9_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4664
- 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:2492

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
48KB

MD5
e4478885fc48c9340b702c5847553641

SHA1
0d35cb52d8bd4e333625b4093d9886124d6db7e2

SHA256
72c1cdc7b2459c51ae16252ab99e6de42ebbd76e95c22f9eec006c3006511bd0

SHA512
22d364caa39f060d78082f9560620f507762ab519dc049f780a39333dca6d14602fa61981ab4efd1b3ed20102f1f0325c7052962a8d1c566b4a808666ebdb7ee

Download Submit
memory/2492-19-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/2492-20-0x0000000000760000-0x0000000000766000-memory.dmp

Filesize
24KB

Download
memory/2492-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4664-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4664-1-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/4664-2-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/4664-3-0x0000000002080000-0x0000000002086000-memory.dmp

Filesize
24KB

Download
memory/4664-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download