67a93a7e9cc0129f768f70a0cadde32f255af4d0dec17fbe8213e4f1e9ae99aa

Analysis

max time kernel
150s
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
20/11/2024, 03:25

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General

Target

2024-11-20_412e80582a37d738bb0bb24217636bf0_cryptolocker.exe
Size

39KB
MD5

412e80582a37d738bb0bb24217636bf0
SHA1

553391c397f6a5c469ab00573e592c5065233231
SHA256

67a93a7e9cc0129f768f70a0cadde32f255af4d0dec17fbe8213e4f1e9ae99aa
SHA512

b3eabef463ed9734fcd36fb050b71d12929411adc0cc082c1fb626d841df4216276792fdce5db715c2fec19fc86f7385f0215369d1b9967df2814b280c38e9ee
SSDEEP

768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGp/YIm7wm0UpaN:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XR

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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	2024-11-20_412e80582a37d738bb0bb24217636bf0_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
4896	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	2024-11-20_412e80582a37d738bb0bb24217636bf0_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 4588 wrote to memory of 4896	4588	2024-11-20_412e80582a37d738bb0bb24217636bf0_cryptolocker.exe	85
PID 4588 wrote to memory of 4896	4588	2024-11-20_412e80582a37d738bb0bb24217636bf0_cryptolocker.exe	85
PID 4588 wrote to memory of 4896	4588	2024-11-20_412e80582a37d738bb0bb24217636bf0_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-11-20_412e80582a37d738bb0bb24217636bf0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-20_412e80582a37d738bb0bb24217636bf0_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4588
- 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:4896

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
39KB

MD5
c85460c4458424188525e78d9e809869

SHA1
7e75d3c499f2263f7a1e2d34958a43717709707f

SHA256
8f79331d2458142516a1f977419b4078a25285f05f125953978c3e8b30afc717

SHA512
96f9d1df15d2e5c7bca9d3bd363b5a54e5ca2b81fe8c910df962c7d58276499d4d29b70c4c783184040bd01de37e01544ab9c7416bb0ff2e9486e76eb6b65ae6

Download Submit
memory/4588-0-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/4588-1-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/4588-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4896-19-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download