189ff11339724ba04d11c4632624ad00154dbc40f028b7f1665ca30e0dad46c8

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09/01/2024, 06:42

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2024-01-08_678c6ebdf17922d5578d2db3e672347d_cryptolocker.exe
Size

60KB
MD5

678c6ebdf17922d5578d2db3e672347d
SHA1

21255d4c44baa190d094900e8439345f85935438
SHA256

189ff11339724ba04d11c4632624ad00154dbc40f028b7f1665ca30e0dad46c8
SHA512

fe8188d2dfb6b5d2be2af3f0f710a6a3ea00f3ac3c0e1e6c8c8d53946982dbf9890096c814313c0bf5024ba33badbf1a38502d6f63163f45246e01418b8dc4ff
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x/9lfL+gniDSq:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7H

Score

7^/10

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-1-5-21-3336304223-2978740688-3645194410-1000\Control Panel\International\Geo\Nation	2024-01-08_678c6ebdf17922d5578d2db3e672347d_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
1604	hurok.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5080 wrote to memory of 1604	5080	2024-01-08_678c6ebdf17922d5578d2db3e672347d_cryptolocker.exe	88
PID 5080 wrote to memory of 1604	5080	2024-01-08_678c6ebdf17922d5578d2db3e672347d_cryptolocker.exe	88
PID 5080 wrote to memory of 1604	5080	2024-01-08_678c6ebdf17922d5578d2db3e672347d_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-01-08_678c6ebdf17922d5578d2db3e672347d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-08_678c6ebdf17922d5578d2db3e672347d_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5080
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:1604

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\hurok.exe

Filesize
60KB

MD5
4999da2c68dcb68d93a3ef254d666522

SHA1
325985cb624479df33d77cead5df66ea787457b5

SHA256
037102d68361d16d2e804f97010d16eb5a258bc1da1570f9bdb5ceb1c765a799

SHA512
c5f5245bedcaaaea2500cd7a380d4c89a85de6f9d5275673819722e5e17ec647e331d5da43314149a455e51f6d4c50ae2f63d8604a84bfe67ecfab4f476ce703

Download Submit
memory/1604-22-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/5080-0-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/5080-1-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/5080-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download