665c4e567f2a4f8e3d3d13ef3a2ae7d234bfa2255bbe4402c8e5a6988be2b2ed

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 17:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-10-09_c6c2561d9dea57790ff0a520ba201af7_cryptolocker.exe
Size

61KB
MD5

c6c2561d9dea57790ff0a520ba201af7
SHA1

db9f1548d4863ad2f6fdc53fac525e6a23774773
SHA256

665c4e567f2a4f8e3d3d13ef3a2ae7d234bfa2255bbe4402c8e5a6988be2b2ed
SHA512

c4f7c7dbdcbb2fef7919803658c62946e8ca487ad105e6b74838c98fe7fe6f61d531e60c5819121d0b25f809efe3841c279e1d4f34e49ea2b12bff05dae81151
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1xo3/nyxV20:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7Q

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	2024-10-09_c6c2561d9dea57790ff0a520ba201af7_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
4468	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	2024-10-09_c6c2561d9dea57790ff0a520ba201af7_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 3396 wrote to memory of 4468	3396	2024-10-09_c6c2561d9dea57790ff0a520ba201af7_cryptolocker.exe	84
PID 3396 wrote to memory of 4468	3396	2024-10-09_c6c2561d9dea57790ff0a520ba201af7_cryptolocker.exe	84
PID 3396 wrote to memory of 4468	3396	2024-10-09_c6c2561d9dea57790ff0a520ba201af7_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-10-09_c6c2561d9dea57790ff0a520ba201af7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-09_c6c2561d9dea57790ff0a520ba201af7_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3396
- 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:4468

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
61KB

MD5
4d571305a2bf5a1e92da2e95740ed077

SHA1
392a919380aded4c3bd6c326a870a8deb25ef0e1

SHA256
6be70c7b509bc497d6fd33d36851d636eedff042839b5a3c913ba460c1f85465

SHA512
91b34d74dd92709fb45a5a7cd849a03f6c1bc798ebc929d8d51fec8c29a67d6d821ba041b62c5b98408144e06acfdd74639c04550610e1100c0e3afc8fdeff9d

Download Submit
memory/3396-0-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/3396-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/3396-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4468-19-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download