cf8d48a5fef7b1b6aff44d034abdffbb2279514e4713ea21e770884d572637a0

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
14/08/2024, 18:24

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General

Target

2024-08-14_1b29d418f94135a555cf0778236fc994_cryptolocker.exe
Size

78KB
MD5

1b29d418f94135a555cf0778236fc994
SHA1

940b301a1a6bb66b4480bb9a344aea46666ed623
SHA256

cf8d48a5fef7b1b6aff44d034abdffbb2279514e4713ea21e770884d572637a0
SHA512

c5a87536260ebdea72894a19dc92dba45bc00a7668d9ab2a6e7d84c98038187ed0e67f7f470e9809d2e37063efe6e4bafd09f7d38a299935a4fae4416a1df1f4
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1siY+:X6a+SOtEvwDpjBZYvQd2t

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	2024-08-14_1b29d418f94135a555cf0778236fc994_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3112	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	2024-08-14_1b29d418f94135a555cf0778236fc994_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3884 wrote to memory of 3112	3884	2024-08-14_1b29d418f94135a555cf0778236fc994_cryptolocker.exe	85
PID 3884 wrote to memory of 3112	3884	2024-08-14_1b29d418f94135a555cf0778236fc994_cryptolocker.exe	85
PID 3884 wrote to memory of 3112	3884	2024-08-14_1b29d418f94135a555cf0778236fc994_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-08-14_1b29d418f94135a555cf0778236fc994_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-14_1b29d418f94135a555cf0778236fc994_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3884
- 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:3112

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
78KB

MD5
a097b114deb2f0a4d677790e75fd03e4

SHA1
aa0cc0c98678fe8a00e59a4432019f3208585291

SHA256
764353751967775cd89180e0db6e704bde258aeed3c9473431c5f8b03affb6a3

SHA512
e9a4779d9f3279babc593b72be1f96c5567288bbbcc82925737f8aeba622286f95ea19360a65097f812c543d5cba160cd38b3cb999bad0a35e554e5941095cf3

Download Submit
memory/3112-17-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/3112-18-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/3884-0-0x00000000007E0000-0x00000000007E6000-memory.dmp

Filesize
24KB

Download
memory/3884-1-0x00000000007E0000-0x00000000007E6000-memory.dmp

Filesize
24KB

Download
memory/3884-2-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download