79619733870aa86927a6089314d1ef72faba1927b536add2029ce8d26344797f

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-10-2024 08:22

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-10-31_085d25f1a229366f1908db53d7f97279_cryptolocker.exe
Size

58KB
MD5

085d25f1a229366f1908db53d7f97279
SHA1

904954517d164f3edd8be898dfa5d6f7b8db5480
SHA256

79619733870aa86927a6089314d1ef72faba1927b536add2029ce8d26344797f
SHA512

1f29a934fa5286e366f5cf1ab86d672d4fddbef3a7f58924add64364a73d98b2be8e5e1400780fd24c7c2962d87d900706011bee757a15a56b984c1965cb3b7c
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1xzp0oj6701:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7I

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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	2024-10-31_085d25f1a229366f1908db53d7f97279_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
4584	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	2024-10-31_085d25f1a229366f1908db53d7f97279_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 4388 wrote to memory of 4584	4388	2024-10-31_085d25f1a229366f1908db53d7f97279_cryptolocker.exe	83
PID 4388 wrote to memory of 4584	4388	2024-10-31_085d25f1a229366f1908db53d7f97279_cryptolocker.exe	83
PID 4388 wrote to memory of 4584	4388	2024-10-31_085d25f1a229366f1908db53d7f97279_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-10-31_085d25f1a229366f1908db53d7f97279_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-31_085d25f1a229366f1908db53d7f97279_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4388
- 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:4584

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
58KB

MD5
7782d3d0f105d1af4fb8dd59913447a2

SHA1
e743bd10a17b39acb45d27c189c5e1f62226f94d

SHA256
1bc306a8abcf44e69c5782801956c87181c8ea9bed572e27d9697948e5541ede

SHA512
1be1aba5cd00d30977be6fbc85c35bfdfd76509ed385141647f0a66e8fe1be4382183e13945db8c1210a282ddd1229f0b0b98d290dd75d9ff31df38a456a02a2

Download Submit
memory/4388-0-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download
memory/4388-1-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download
memory/4388-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4584-19-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download