9a1bf4914b1fd08d15144b09c88041d56425c1fc7a6ce5ce4f9917b870ee275e

Analysis

max time kernel
145s
max time network
153s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
14-10-2024 04:58

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General

Target

2024-10-14_b9bb8a972f3c1b0ad8c2c5ccdd31dc18_cryptolocker.exe
Size

67KB
MD5

b9bb8a972f3c1b0ad8c2c5ccdd31dc18
SHA1

2423813f6be98e42d3fa0dd88a3ea542fe65607a
SHA256

9a1bf4914b1fd08d15144b09c88041d56425c1fc7a6ce5ce4f9917b870ee275e
SHA512

981b4a9d0281f45dcb53f101b3c4d809f6c86bdf26c77f61c20a41123e6ed965a41615aa1a796f3b8b44f176177ccaf1b76824fa8ab186853fa7585ae231b25a
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF293WQ:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7H

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2448	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
2380	2024-10-14_b9bb8a972f3c1b0ad8c2c5ccdd31dc18_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	2024-10-14_b9bb8a972f3c1b0ad8c2c5ccdd31dc18_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2380	2024-10-14_b9bb8a972f3c1b0ad8c2c5ccdd31dc18_cryptolocker.exe
2448	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2448	2380	2024-10-14_b9bb8a972f3c1b0ad8c2c5ccdd31dc18_cryptolocker.exe	29
PID 2380 wrote to memory of 2448	2380	2024-10-14_b9bb8a972f3c1b0ad8c2c5ccdd31dc18_cryptolocker.exe	29
PID 2380 wrote to memory of 2448	2380	2024-10-14_b9bb8a972f3c1b0ad8c2c5ccdd31dc18_cryptolocker.exe	29
PID 2380 wrote to memory of 2448	2380	2024-10-14_b9bb8a972f3c1b0ad8c2c5ccdd31dc18_cryptolocker.exe	29

C:\Users\Admin\AppData\Local\Temp\2024-10-14_b9bb8a972f3c1b0ad8c2c5ccdd31dc18_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-14_b9bb8a972f3c1b0ad8c2c5ccdd31dc18_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2380
- 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:2448

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
67KB

MD5
e7f7de61902c2ee795ec3f9205802262

SHA1
70ed359045f365b098e6e938cea4c9ca7d4b09aa

SHA256
b88309f8dc41695180f87d4ff32af77934069ee52d71a9bff78ebdaaebb644bd

SHA512
c4f6befaaae23f13aeb7b4f7065ecdd811df8268904ef5d9a9ccd6ed2a66389cf0ba849ec80218109aa626df974ab12ddedee4701b1d50bb3d7c96f1cc17638b

Download Submit
memory/2380-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2380-8-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2380-0-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2448-23-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download