06bf83dd4f1ebb8f906e21c635cab2843036ce7a57fee2d282257d4177734ea6

Analysis

max time kernel
93s
max time network
148s
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, 08:26

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-10-10_35fe2b18a74b649d779ccd16adbce6d5_cryptolocker.exe
Size

62KB
MD5

35fe2b18a74b649d779ccd16adbce6d5
SHA1

8674b0f9e261da2e8cec66b5c76e21f3e466aef7
SHA256

06bf83dd4f1ebb8f906e21c635cab2843036ce7a57fee2d282257d4177734ea6
SHA512

b28e5e80a2016450efc9c9fdacaf917834d49eaccf0ca1648631af3b09dd85e977c7fe6d8f81eb01ab7d50841f2ddd11c2c4166c0aad7d10c65bf6c840ecc255
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x/9lfL+gniDSX:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7a

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	2024-10-10_35fe2b18a74b649d779ccd16adbce6d5_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
5048	hurok.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	hurok.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-10_35fe2b18a74b649d779ccd16adbce6d5_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 5048	2020	2024-10-10_35fe2b18a74b649d779ccd16adbce6d5_cryptolocker.exe	85
PID 2020 wrote to memory of 5048	2020	2024-10-10_35fe2b18a74b649d779ccd16adbce6d5_cryptolocker.exe	85
PID 2020 wrote to memory of 5048	2020	2024-10-10_35fe2b18a74b649d779ccd16adbce6d5_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-10_35fe2b18a74b649d779ccd16adbce6d5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-10_35fe2b18a74b649d779ccd16adbce6d5_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5048

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

Loading Replay Monitor...

Downloads

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

Filesize
62KB

MD5
4a27c6fc6ac14ca5e0e3bb903a673c26

SHA1
a145913c56faafd8fa3b40b396931c040ab430eb

SHA256
a546b819fd192d3c3dfe4a20014454e4f119c97327d6f629e457c1bcacd0a9f7

SHA512
de5a8af2e0a163cda753741bdcde0d3ac143328a2fa9f7dc10c082b257c61ec7838893d49cdef4f6753cb9045ad1248609ca0bacabdf465cf5552bc812a9c0f9

Download Submit
memory/2020-0-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download
memory/2020-1-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download
memory/2020-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/5048-19-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download