a431e3318091bbc91cdcddd3b29c23bf25f6ca04f01f83795c754dc11695a8ba

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
10/10/2024, 02:52

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General

Target

2024-10-10_4eac19f8a50d07b64a898627a2ada813_cryptolocker.exe
Size

76KB
MD5

4eac19f8a50d07b64a898627a2ada813
SHA1

082ec32b0fff0859d6ef2d6169c2ec8202aebcce
SHA256

a431e3318091bbc91cdcddd3b29c23bf25f6ca04f01f83795c754dc11695a8ba
SHA512

63fe2bd3848853fb19ac6cde004611e7e25d97ec753339db42dcfabeb4c557649c89b4321df252c38b324077b6386c1ba507bf6792f223d144e95572c4bcf4cf
SSDEEP

768:u6LsoEEeegiZPvEhHSG+gZgtOOtEvwDpjeY10Y/YMsrYe:u6QFElP6n+gWMOtEvwDpjJGYQbrYe

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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	2024-10-10_4eac19f8a50d07b64a898627a2ada813_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1476	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	asih.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-10_4eac19f8a50d07b64a898627a2ada813_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3648 wrote to memory of 1476	3648	2024-10-10_4eac19f8a50d07b64a898627a2ada813_cryptolocker.exe	88
PID 3648 wrote to memory of 1476	3648	2024-10-10_4eac19f8a50d07b64a898627a2ada813_cryptolocker.exe	88
PID 3648 wrote to memory of 1476	3648	2024-10-10_4eac19f8a50d07b64a898627a2ada813_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-10-10_4eac19f8a50d07b64a898627a2ada813_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-10_4eac19f8a50d07b64a898627a2ada813_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3648
- 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:1476

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
76KB

MD5
9713217a471f287ce7be6e957243e41d

SHA1
6500facf61ad1613d453fe75f35dc34c9c8c4dbb

SHA256
6625a3dc95bf9bcb0a2ab72762317f29b7a30e9a46b8dab6d5df6100fb6456df

SHA512
7e06fcdee89f29b7a6c69c76f01e9bc612f41f925df8607232d4d055190cace3eba888fc1f6113f92149e1e0d6aad4ce38d0ca45ddb117b77879eacf90dd04f4

Download Submit
memory/1476-23-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/1476-17-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/3648-0-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download
memory/3648-1-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download
memory/3648-2-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download