e5fb940f49404082e523ba7687e0946ee06f29f99b272e59d75e7e3551bbf5a1

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-10-2024 05:46

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General

Target

2024-10-18_a73afe620546fcee415bd654342386d7_cryptolocker.exe
Size

50KB
MD5

a73afe620546fcee415bd654342386d7
SHA1

ee49853a7626c0240799c56429277646aa5c4356
SHA256

e5fb940f49404082e523ba7687e0946ee06f29f99b272e59d75e7e3551bbf5a1
SHA512

10f1d76bbbe8850f48d7615881da086cd2143889a513bb1524ef5c7f542a0ca434ffe13ec207e07852fbd187df8526375e590b9b89cae34e486b0e37fe58e5b6
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjeJQ7suIlsw92KFXpQenhuT9:V6QFElP6n+gMQMOtEvwDpjeJQ7pojkRJ

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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	2024-10-18_a73afe620546fcee415bd654342386d7_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4172	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	2024-10-18_a73afe620546fcee415bd654342386d7_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 1536 wrote to memory of 4172	1536	2024-10-18_a73afe620546fcee415bd654342386d7_cryptolocker.exe	84
PID 1536 wrote to memory of 4172	1536	2024-10-18_a73afe620546fcee415bd654342386d7_cryptolocker.exe	84
PID 1536 wrote to memory of 4172	1536	2024-10-18_a73afe620546fcee415bd654342386d7_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-10-18_a73afe620546fcee415bd654342386d7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-18_a73afe620546fcee415bd654342386d7_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1536
- 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:4172

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
50KB

MD5
21ab8106b4980982e01ab90e0460e3ed

SHA1
5a0e1fa8de546d04b56d165f1f330c6869ebda78

SHA256
9582fd4c7d1939d770bb7f4ad8b9bb3ac10d9bcb98643ba6a3d9dc2481bba93c

SHA512
0940acbab650a27b0b74b75cdbf3389905633ec2441762ec6d45b3ed2afb3eaadef3c0c93bb8de3db8aa5af2dba2f1db6bbb4ce04f20c613282bcf10574e8d4a

Download Submit
memory/1536-0-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/1536-1-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/1536-2-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/4172-17-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/4172-23-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download