5e9bf4f2c32d5a35631aa6acbd28547421888255865f0dac1737785acb7e0c80

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13/10/2024, 05:42

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General

Target

2024-10-13_c3e127686d0925854c3f86cac32bf291_cryptolocker.exe
Size

41KB
MD5

c3e127686d0925854c3f86cac32bf291
SHA1

814f3c50b39e8158bca993cffeff420c355a5960
SHA256

5e9bf4f2c32d5a35631aa6acbd28547421888255865f0dac1737785acb7e0c80
SHA512

cdf14ef7fb02e69871afc08ac88a58a1e67ef798198c00d625c9d7c95a7cf7dba8ab4200fb34fef7423b07617273928b052293ba67f8514c3d79790d838cc7f7
SSDEEP

768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGpebVIYLHA3Kxv:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XK

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2200	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
2484	2024-10-13_c3e127686d0925854c3f86cac32bf291_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	2024-10-13_c3e127686d0925854c3f86cac32bf291_cryptolocker.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2484	2024-10-13_c3e127686d0925854c3f86cac32bf291_cryptolocker.exe
2200	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 2200	2484	2024-10-13_c3e127686d0925854c3f86cac32bf291_cryptolocker.exe	31
PID 2484 wrote to memory of 2200	2484	2024-10-13_c3e127686d0925854c3f86cac32bf291_cryptolocker.exe	31
PID 2484 wrote to memory of 2200	2484	2024-10-13_c3e127686d0925854c3f86cac32bf291_cryptolocker.exe	31
PID 2484 wrote to memory of 2200	2484	2024-10-13_c3e127686d0925854c3f86cac32bf291_cryptolocker.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-10-13_c3e127686d0925854c3f86cac32bf291_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-13_c3e127686d0925854c3f86cac32bf291_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2484
- 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:2200

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
41KB

MD5
0a33ebb8fe5550dc2ca79b7d3b4ba31b

SHA1
63fef280164a90f616df1a3ae7aaf632300bb542

SHA256
11937d3da85d7eb49df1351289f32f2e5003f66f123c041a3106c490db7278c5

SHA512
d6877c9e44af37c4aee3936a6f3dce24e3270c6fd61bef271f39b35777b1347c26779372379421c87ca8ded656343b5fb873935b0d7df010036410a001644c21

Download Submit
memory/2200-23-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2484-0-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2484-1-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2484-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download