5f8fa22bd93c07f1ef569a494eccd0857e6a85ea821992b59239b1fb11e069c8

Analysis

max time kernel
94s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21/11/2024, 07:02

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General

Target

2024-11-21_d7010b612ef9a40dc047e38b5aa11125_cryptolocker.exe
Size

68KB
MD5

d7010b612ef9a40dc047e38b5aa11125
SHA1

329aecc0f0e5c30d856e51b8fa04af35d7ad15b1
SHA256

5f8fa22bd93c07f1ef569a494eccd0857e6a85ea821992b59239b1fb11e069c8
SHA512

e88b7cdc17ff5805b64ff2ba1ae62f66333c64f73bef1854d062e2ea91965d103be651fb0cb9f659cbf385295f340ed3ca2a26524975a61c3fdb3fc4ce3344db
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF299N2U9:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7p

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	2024-11-21_d7010b612ef9a40dc047e38b5aa11125_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
4816	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	2024-11-21_d7010b612ef9a40dc047e38b5aa11125_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 2260 wrote to memory of 4816	2260	2024-11-21_d7010b612ef9a40dc047e38b5aa11125_cryptolocker.exe	82
PID 2260 wrote to memory of 4816	2260	2024-11-21_d7010b612ef9a40dc047e38b5aa11125_cryptolocker.exe	82
PID 2260 wrote to memory of 4816	2260	2024-11-21_d7010b612ef9a40dc047e38b5aa11125_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-11-21_d7010b612ef9a40dc047e38b5aa11125_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-21_d7010b612ef9a40dc047e38b5aa11125_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2260
- 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:4816

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
4388e69a980a3871655e2a22d0a21181

SHA1
a1a38447ee463b9a71800a09415f77bdf4e272f7

SHA256
558bab90599ccd5c5136bb5500c125c3cb4f17baf6ac81faca3d3e108c199801

SHA512
11f1621c0e53fb089060d95ee02db49f82f5abe3d1a3c5f717492c1ca04c33859d5dcb7ee8c9cb0d7a86ebf79a9de49c61194e33c1af2ae1c1b2e5eba07502fd

Download Submit
memory/2260-0-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/2260-1-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/2260-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4816-25-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download