b8108ea8f4c20465da2e043b6cdf1f1421e006010319b5d16eafaabd7c4b0e1e

Analysis

max time kernel
129s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07-09-2024 02:46

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General

Target

2024-09-07_c3397e83cd3371c6e0226e124edad11c_cryptolocker.exe
Size

49KB
MD5

c3397e83cd3371c6e0226e124edad11c
SHA1

38eeb59b09111491ef5cdfdcbf6ca187f48ff603
SHA256

b8108ea8f4c20465da2e043b6cdf1f1421e006010319b5d16eafaabd7c4b0e1e
SHA512

790fe46064f672a81b0c5154496ec923d6f6749a0b65808cdb1bcf097de294fb6506837c790ebae198a5d8acfc49db60be9c86d8751ab6d461f7e48de556a3da
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPlFb:P6QFElP6k+MRQMOtEvwDpjBQpVX8B

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	2024-09-07_c3397e83cd3371c6e0226e124edad11c_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2372	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	2024-09-07_c3397e83cd3371c6e0226e124edad11c_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 3548 wrote to memory of 2372	3548	2024-09-07_c3397e83cd3371c6e0226e124edad11c_cryptolocker.exe	85
PID 3548 wrote to memory of 2372	3548	2024-09-07_c3397e83cd3371c6e0226e124edad11c_cryptolocker.exe	85
PID 3548 wrote to memory of 2372	3548	2024-09-07_c3397e83cd3371c6e0226e124edad11c_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-09-07_c3397e83cd3371c6e0226e124edad11c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-07_c3397e83cd3371c6e0226e124edad11c_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3548
- 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:2372

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
49KB

MD5
484621b29b74ed2f7a38b3528eea33a3

SHA1
2f8650750513f29417f11109a3ebca45d9ad280c

SHA256
71c7d11e8834677cfc9766a2e793a2d819ee91822ef7bda5d8bb574935c7e9bd

SHA512
657c3e684803d5634719e235c937b91532710f093c36024e9a761c9c559a29a1a0e5e36422597dded8a3ee518a441444ba29121129648f4dfcb73bb6e2ab912d

Download Submit
memory/2372-19-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/2372-20-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/2372-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3548-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3548-1-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/3548-2-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/3548-3-0x0000000002080000-0x0000000002086000-memory.dmp

Filesize
24KB

Download
memory/3548-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download