5d81fc8188c3dcfb57e7dcf6f4b500c4d2c1d06de6ad293c12f1380ecc3f3658

Analysis

max time kernel
148s
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
12/10/2024, 04:32

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General

Target

2024-10-12_3a1695f7da67ff962c5a71f2e91b27c1_cryptolocker.exe
Size

30KB
MD5

3a1695f7da67ff962c5a71f2e91b27c1
SHA1

f2d83580b9a6b1e819e1c69fcba7fffb43e58fb8
SHA256

5d81fc8188c3dcfb57e7dcf6f4b500c4d2c1d06de6ad293c12f1380ecc3f3658
SHA512

d15586331195351fd3639caf3bc9c76b61b06c28a6bc7dd197835c79a6ab57f2010ea19a200eb372b1e991388d5c413263b25a5de33320d29dba21ade399d25d
SSDEEP

768:q0ZziOWwULueOSdE8tOOtEvwDpjeWaJIOc+z:q0zizzOSxMOtEvwDpj/ar1

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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	2024-10-12_3a1695f7da67ff962c5a71f2e91b27c1_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4888	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	2024-10-12_3a1695f7da67ff962c5a71f2e91b27c1_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 1148 wrote to memory of 4888	1148	2024-10-12_3a1695f7da67ff962c5a71f2e91b27c1_cryptolocker.exe	86
PID 1148 wrote to memory of 4888	1148	2024-10-12_3a1695f7da67ff962c5a71f2e91b27c1_cryptolocker.exe	86
PID 1148 wrote to memory of 4888	1148	2024-10-12_3a1695f7da67ff962c5a71f2e91b27c1_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-10-12_3a1695f7da67ff962c5a71f2e91b27c1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_3a1695f7da67ff962c5a71f2e91b27c1_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1148
- 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:4888

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
30KB

MD5
52200fb6fb1333789a181d127379d368

SHA1
110905d222469c34ccf962d59e5d42b4f019a989

SHA256
fd380c6d5faa70b947bfe682762d49fca50aee499fc03dfd5a838e82916b5def

SHA512
cca84fce7a529619c21572b572aef9c54370fbb198818fd3557f9be71101a54ea5b6a7314739c0e07cdf7dc8840fc058f552c8fb241a1a4088ee0c718dddda76

Download Submit
memory/1148-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1148-1-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/1148-2-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/1148-3-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1148-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4888-19-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/4888-20-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/4888-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download