167579669e047752cf0ec132903fb5de11c692373c52a998e46b3e4efb264633

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
17-08-2024 00:41

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General

Target

2024-08-17_b7ed2007b3289b540c7b8f9567b27c38_cryptolocker.exe
Size

47KB
MD5

b7ed2007b3289b540c7b8f9567b27c38
SHA1

f17e592541a1422dfa04bf834179792cbd97265d
SHA256

167579669e047752cf0ec132903fb5de11c692373c52a998e46b3e4efb264633
SHA512

dd12cf540d56bff751c3b7b260cd59efd3e7f15b23a7f0b27d4a740f6ddab66acd5a3fb9b850481bb2ddefa48eed40685736bc903d16bbe8955c6f4aa58e5b3f
SSDEEP

384:Q/4wODQkzonAYsju5N/surDQtOOtEvwDpjqIGROqS/WccJVJwi2B5oCCM8CLW2VN:B9inqyNR/QtOOtEvwDpjBKccJVODvy3k

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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	2024-08-17_b7ed2007b3289b540c7b8f9567b27c38_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4560	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	2024-08-17_b7ed2007b3289b540c7b8f9567b27c38_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 3536 wrote to memory of 4560	3536	2024-08-17_b7ed2007b3289b540c7b8f9567b27c38_cryptolocker.exe	85
PID 3536 wrote to memory of 4560	3536	2024-08-17_b7ed2007b3289b540c7b8f9567b27c38_cryptolocker.exe	85
PID 3536 wrote to memory of 4560	3536	2024-08-17_b7ed2007b3289b540c7b8f9567b27c38_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-08-17_b7ed2007b3289b540c7b8f9567b27c38_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-17_b7ed2007b3289b540c7b8f9567b27c38_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3536
- 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:4560

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
47KB

MD5
7c8dd32aee56d4bebc86fc1f516fd454

SHA1
fe9192c922af58e9015408b56222d86d550d6823

SHA256
73aca9658afe68ff213b33b2f28bef8dddc4d5501eed48b2103462b30250d6ba

SHA512
a60d37ab685d29cdc3b78948de5dfa11b42587ee697e56ffc554e536b541ce9b06a91f61536c08cf0fedc1b990990ad3e6c1c7361a6a5541bcfe3241d3a576b6

Download Submit
memory/3536-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/3536-1-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download
memory/3536-2-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download
memory/3536-3-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/3536-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4560-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4560-25-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4560-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download