8ec8f3e156240c551b92130d5adabe9b03de770954006360d90f1ea65e1db0c1

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
12/09/2024, 08:44

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General

Target

2024-09-12_2b0b2d100e73c9f67c27ea8da098d2cb_cryptolocker.exe
Size

49KB
MD5

2b0b2d100e73c9f67c27ea8da098d2cb
SHA1

393c89ca5982ff1b26c3d3e4a80fdb1d8035fe12
SHA256

8ec8f3e156240c551b92130d5adabe9b03de770954006360d90f1ea65e1db0c1
SHA512

2f72fab1edd9a7ccfbab38b2221eb0c36265ec91a5e07c276ff5f96e203a0be67bc705845296be10143d5aec172c2cebb5c957904c0c1272745aaa2d2c83c942
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x5hjat/:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7L

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	2024-09-12_2b0b2d100e73c9f67c27ea8da098d2cb_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
2992	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	2024-09-12_2b0b2d100e73c9f67c27ea8da098d2cb_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 1412 wrote to memory of 2992	1412	2024-09-12_2b0b2d100e73c9f67c27ea8da098d2cb_cryptolocker.exe	86
PID 1412 wrote to memory of 2992	1412	2024-09-12_2b0b2d100e73c9f67c27ea8da098d2cb_cryptolocker.exe	86
PID 1412 wrote to memory of 2992	1412	2024-09-12_2b0b2d100e73c9f67c27ea8da098d2cb_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-09-12_2b0b2d100e73c9f67c27ea8da098d2cb_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-12_2b0b2d100e73c9f67c27ea8da098d2cb_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1412
- 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:2992

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
49KB

MD5
0af05290199abb8fe78b91f888287080

SHA1
660afce8db70fc909495a96d400070b9a30d6d96

SHA256
92036194873e54502c17037f4fad24f5dc3f9001d761e09c2b5f904cf005f8a8

SHA512
966ab43d9a9109c64e74a69c80292da214bf28e95fed597ed1b5f2ad5ea8e46df90912c1bf48069d8c6cae8815f27141e028afc7ca7ef723cd16286217948472

Download Submit
memory/1412-0-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/1412-1-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/1412-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2992-25-0x0000000002030000-0x0000000002036000-memory.dmp

Filesize
24KB

Download