f2f8bc99ca54152f947e1d588d2c9c60a642eb26dc700d6781ce0d022b7fce41

Analysis

max time kernel
94s
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
02-10-2024 01:32

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General

Target

2024-10-02_fcb0f6c910520b0d8eb49c228a771366_cryptolocker.exe
Size

29KB
MD5

fcb0f6c910520b0d8eb49c228a771366
SHA1

345d3b89b3f1accee40b0541d5095a1d209a0b6e
SHA256

f2f8bc99ca54152f947e1d588d2c9c60a642eb26dc700d6781ce0d022b7fce41
SHA512

f57a0edc742d44802103762a7931044427aeba3cd774f9a412a66abc680d3270ef53a10e8995e93da421a6729c1ecc7ba6530827acaea4a1b037eea214dc7a2a
SSDEEP

768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGuOtCF7WDQT:o1KhxqwtdgI2MyzNORQtOflIwoHNV2Xs

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	2024-10-02_fcb0f6c910520b0d8eb49c228a771366_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
1632	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	2024-10-02_fcb0f6c910520b0d8eb49c228a771366_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 1948 wrote to memory of 1632	1948	2024-10-02_fcb0f6c910520b0d8eb49c228a771366_cryptolocker.exe	82
PID 1948 wrote to memory of 1632	1948	2024-10-02_fcb0f6c910520b0d8eb49c228a771366_cryptolocker.exe	82
PID 1948 wrote to memory of 1632	1948	2024-10-02_fcb0f6c910520b0d8eb49c228a771366_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-10-02_fcb0f6c910520b0d8eb49c228a771366_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-02_fcb0f6c910520b0d8eb49c228a771366_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1948
- 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:1632

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
30KB

MD5
aad117a26901f81bbb65bea2dcc57aad

SHA1
e1f3b084831b23ac9a6c1baa741ca1dd1112ca11

SHA256
7da6ed292742cfc92b6d77740f42fa49b9449865504dff74755293bf3872001d

SHA512
16143235374eb1697900a4cc9edec738e27bd2ca51643a0e0dd93d204be4cdeab3697d23b7723133450b7cbdb8af35baa78f495f740ee61f69323651f906bc3f

Download Submit
memory/1632-19-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/1948-0-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download
memory/1948-1-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download
memory/1948-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download