8a4eb9f5f25b974981d2b162465bb39d2f7da24a6e1e24f771337e5c54d1b5a7

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
01-10-2024 05:37

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-10-01_9bd45be7350ecd64c0ab447e7e39f167_cryptolocker.exe
Size

31KB
MD5

9bd45be7350ecd64c0ab447e7e39f167
SHA1

1f282da7aa40f43f111e4292c4a29926bcab9282
SHA256

8a4eb9f5f25b974981d2b162465bb39d2f7da24a6e1e24f771337e5c54d1b5a7
SHA512

d30aa0405bc9f422982b5b4b422a9735b2a8b83873950923820d8d5cf12b4771a4ceb51e9a742bcbf35319c165ed42ee024c61e61be8bffc33e6387f4fe00dac
SSDEEP

768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGbNAKSjNfP:o1KhxqwtdgI2MyzNORQtOflIwoHNV2X2

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1864	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
2272	2024-10-01_9bd45be7350ecd64c0ab447e7e39f167_cryptolocker.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	hurok.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-01_9bd45be7350ecd64c0ab447e7e39f167_cryptolocker.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2272	2024-10-01_9bd45be7350ecd64c0ab447e7e39f167_cryptolocker.exe
1864	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 1864	2272	2024-10-01_9bd45be7350ecd64c0ab447e7e39f167_cryptolocker.exe	31
PID 2272 wrote to memory of 1864	2272	2024-10-01_9bd45be7350ecd64c0ab447e7e39f167_cryptolocker.exe	31
PID 2272 wrote to memory of 1864	2272	2024-10-01_9bd45be7350ecd64c0ab447e7e39f167_cryptolocker.exe	31
PID 2272 wrote to memory of 1864	2272	2024-10-01_9bd45be7350ecd64c0ab447e7e39f167_cryptolocker.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-10-01_9bd45be7350ecd64c0ab447e7e39f167_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-01_9bd45be7350ecd64c0ab447e7e39f167_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:1864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

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

Filesize
32KB

MD5
b17f5827bbbb02fa201f7f86353ffe29

SHA1
a072ddf34a457ab8e0934dd5f3e4cf69950774b3

SHA256
e19280a208703ed2ca71adda7cd2df26ad7edbdb473934f9caabc1d773568686

SHA512
ba6902cbdeed1d237fbb6480109e37d4c5a831e8713b5742f4bcc6ac9c75ba0b0429b38bd5c753b8d78eb6862b1e07b4b44a172327cd0418b0e0bd530436062b

Download Submit
memory/1864-23-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2272-0-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2272-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2272-8-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download