9e50f0f271bd55a7685aac59e4073eee8731bd630235f2ae15f107e0d07d5277

Analysis

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

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
09/09/2024, 03:30

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General

Target

2024-09-09_796def891cbafe2b214fa38baa71d6d9_cryptolocker.exe
Size

49KB
MD5

796def891cbafe2b214fa38baa71d6d9
SHA1

009ede5877492ce41a32ec6048e3ba51dea40a54
SHA256

9e50f0f271bd55a7685aac59e4073eee8731bd630235f2ae15f107e0d07d5277
SHA512

9e2dfea5de066111afad53b41ae71e2bee9d2c7387cb632c9b46ab9ea2bbb3d2d2a630010b52d05b852c16c43085b33c38e690528a1a4aa916391dbf0ce00706
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x5hjatre:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7+

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2764	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
2668	2024-09-09_796def891cbafe2b214fa38baa71d6d9_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	2024-09-09_796def891cbafe2b214fa38baa71d6d9_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2668	2024-09-09_796def891cbafe2b214fa38baa71d6d9_cryptolocker.exe
2764	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2764	2668	2024-09-09_796def891cbafe2b214fa38baa71d6d9_cryptolocker.exe	30
PID 2668 wrote to memory of 2764	2668	2024-09-09_796def891cbafe2b214fa38baa71d6d9_cryptolocker.exe	30
PID 2668 wrote to memory of 2764	2668	2024-09-09_796def891cbafe2b214fa38baa71d6d9_cryptolocker.exe	30
PID 2668 wrote to memory of 2764	2668	2024-09-09_796def891cbafe2b214fa38baa71d6d9_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-09_796def891cbafe2b214fa38baa71d6d9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-09_796def891cbafe2b214fa38baa71d6d9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2668
- 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:2764

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

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Downloads

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

Filesize
49KB

MD5
62953e7853e91e46146b4b424bc41425

SHA1
b2bcc9ea2954bb9a8d66ff35858211e16197d906

SHA256
3e51b80f7b6c7bfc86198a6625932b4c98b1ea7ab98d320803263ead23608335

SHA512
884554c06ff4f7cdfe89278640367f378811c47ffa0ebc6f6de6e50e6f41ad40af68abc85ebdcfe3b06e10094a9835d59b407323ae93ae4c038e5b58f29e7e0f

Download Submit
memory/2668-0-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2668-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2668-8-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2764-23-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download