1e9f6f44a5df3aeb1653c1796bd869da811d91a024fbda7ac1a89a8b2295c740

Analysis

max time kernel
95s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 05:29

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General

Target

2024-09-19_5a22e59ed3725333d86b8d298e6d642c_cryptolocker.exe
Size

60KB
MD5

5a22e59ed3725333d86b8d298e6d642c
SHA1

ff700af9b3a6a36e0071b35c016a5b40b227a281
SHA256

1e9f6f44a5df3aeb1653c1796bd869da811d91a024fbda7ac1a89a8b2295c740
SHA512

2a208df2617f36d5ee34e84c9950390f69f07fa0ea80cab8fd34aef4351c30bd2e88e5f7ebdd7b380b451ab80ddf61eae37675497ae5dcb56aeb66dfb23e5ee9
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF29n:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7F

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	2024-09-19_5a22e59ed3725333d86b8d298e6d642c_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
4412	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	2024-09-19_5a22e59ed3725333d86b8d298e6d642c_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 4412	4932	2024-09-19_5a22e59ed3725333d86b8d298e6d642c_cryptolocker.exe	82
PID 4932 wrote to memory of 4412	4932	2024-09-19_5a22e59ed3725333d86b8d298e6d642c_cryptolocker.exe	82
PID 4932 wrote to memory of 4412	4932	2024-09-19_5a22e59ed3725333d86b8d298e6d642c_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-19_5a22e59ed3725333d86b8d298e6d642c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_5a22e59ed3725333d86b8d298e6d642c_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4932
- 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:4412

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\hurok.exe

Filesize
60KB

MD5
d24273d57df3c22c8cba536c29f36bed

SHA1
391b15bf72c259d2bc7173352dbaac53e14dd6be

SHA256
894af83fcddae0cae6399afc5333e31b1429f4155341dcdea929fc6f69a8f2e2

SHA512
5abf73b873fd7b84d5d929d547edd41760c7ac417d9edf9ad2973cf7ad0251232620ac3cd5c8fc9770652fa7e1807dafaa474733ad0ae13b92e515117dd8c2bc

Download Submit
memory/4412-19-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/4932-0-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/4932-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/4932-3-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download