82b62be75c2d0387a89cbc4973cfc536ea586f1a97d2116eda97b7926150ea8c

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/08/2024, 07:54

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General

Target

2024-08-05_707653d2005dcc973d554bd046906a61_cryptolocker.exe
Size

69KB
MD5

707653d2005dcc973d554bd046906a61
SHA1

94c9e44e8202b858db83ae5080526bc84cc16178
SHA256

82b62be75c2d0387a89cbc4973cfc536ea586f1a97d2116eda97b7926150ea8c
SHA512

a4288aca518d065facfda6e5b4f20f0e450274e83ad09b47f112437a07eabc8ebff70f934bd1e5a2db33a56db92b0c05e74389eacb39a019e40b32ecfdc27ddd
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF293vaRLEm:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7+

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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	2024-08-05_707653d2005dcc973d554bd046906a61_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
3772	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	2024-08-05_707653d2005dcc973d554bd046906a61_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 3968 wrote to memory of 3772	3968	2024-08-05_707653d2005dcc973d554bd046906a61_cryptolocker.exe	85
PID 3968 wrote to memory of 3772	3968	2024-08-05_707653d2005dcc973d554bd046906a61_cryptolocker.exe	85
PID 3968 wrote to memory of 3772	3968	2024-08-05_707653d2005dcc973d554bd046906a61_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-08-05_707653d2005dcc973d554bd046906a61_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-05_707653d2005dcc973d554bd046906a61_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3968
- 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:3772

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
69KB

MD5
1c8a7fa297bb5083f15b89441cbcc072

SHA1
26e9f2fe4fc4161a8ab4a0bd694dd44344ab2191

SHA256
d8f20907f0f8353d5c164e9b511454ce9f46fa3da46f8ab3b7681d8e85531318

SHA512
1b0cdc855a08ccb38e0216f35a93ac3e55791733e607f0aaf69b6f96249be2af97906a28952fd9f96c4ff3e88261e394ee158b733109b283458e0ea5c90cbeb2

Download Submit
memory/3772-25-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3968-0-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/3968-1-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/3968-3-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download