5d7b8b323535f1409b7949d2da35e586ea73fa1d8330bdf66d1a0dc2e317ced4

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 02:48

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General

Target

2024-11-20_5c4cc1b8984d6a8e8cec9a8ac18582d9_cryptolocker.exe
Size

69KB
MD5

5c4cc1b8984d6a8e8cec9a8ac18582d9
SHA1

62b5b9846ee61a038ef90db6bab7a868113265b1
SHA256

5d7b8b323535f1409b7949d2da35e586ea73fa1d8330bdf66d1a0dc2e317ced4
SHA512

12a226ad025c83825e9a04599e310ccc8cf669ed3d506c3cf3856ce1889054fc565437189e2ab6f778a6112fc0d3185ad588687a1a0b2b3e64f79dc5476881f5
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF293vaRLEa:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7i

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2752	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
2604	2024-11-20_5c4cc1b8984d6a8e8cec9a8ac18582d9_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	2024-11-20_5c4cc1b8984d6a8e8cec9a8ac18582d9_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2604	2024-11-20_5c4cc1b8984d6a8e8cec9a8ac18582d9_cryptolocker.exe
2752	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 2752	2604	2024-11-20_5c4cc1b8984d6a8e8cec9a8ac18582d9_cryptolocker.exe	29
PID 2604 wrote to memory of 2752	2604	2024-11-20_5c4cc1b8984d6a8e8cec9a8ac18582d9_cryptolocker.exe	29
PID 2604 wrote to memory of 2752	2604	2024-11-20_5c4cc1b8984d6a8e8cec9a8ac18582d9_cryptolocker.exe	29
PID 2604 wrote to memory of 2752	2604	2024-11-20_5c4cc1b8984d6a8e8cec9a8ac18582d9_cryptolocker.exe	29

C:\Users\Admin\AppData\Local\Temp\2024-11-20_5c4cc1b8984d6a8e8cec9a8ac18582d9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-20_5c4cc1b8984d6a8e8cec9a8ac18582d9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2604
- 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:2752

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

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

Filesize
69KB

MD5
8f3ca3a964932c1b3fc8aaa9aaf91846

SHA1
000f7cf286751012fb4b55a352ea55cf2bebddb3

SHA256
b87832ebec5b304baa1b210b3a6973090a141cdc98fc1b5670b1b9e9cc27131f

SHA512
879b6aadd914da5386a9f42587f54bda3cc9a781fc56a12bba4eb7936f3a02d5cf7a0a1da699394d229515ee2651c431d1fce0655d5561f9f57b34f3a091df07

Download Submit
memory/2604-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2604-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2604-8-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download