6f093eb64a043ba2dbedb8c102e2c162d1e442e4f801b1799a81dfcffa2ce192

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21/11/2024, 03:55

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General

Target

2024-11-21_8f63d3c5974a521fddaa6c3ae0f3d254_cryptolocker.exe
Size

31KB
MD5

8f63d3c5974a521fddaa6c3ae0f3d254
SHA1

45e2f497cf03f7bc4feecf72b84ccb138edffddf
SHA256

6f093eb64a043ba2dbedb8c102e2c162d1e442e4f801b1799a81dfcffa2ce192
SHA512

9e9272732bf0a245bfb8a82774d544214e2d6168b2d56be27b17068a5ec62da760ff9beb24a0f03358af733363881b07bf12611e0520e975baecc202195a3541
SSDEEP

384:buWbtjL8L1iE0eBhkzPbKAaomTqC9Mwf4fjDCgpmaPc4HyVOCGHqEd:bxNQIE0eBhkL2Fo1CCwgfjOg9JyUC7i

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	2024-11-21_8f63d3c5974a521fddaa6c3ae0f3d254_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4640	pissa.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	2024-11-21_8f63d3c5974a521fddaa6c3ae0f3d254_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pissa.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4548 wrote to memory of 4640	4548	2024-11-21_8f63d3c5974a521fddaa6c3ae0f3d254_cryptolocker.exe	84
PID 4548 wrote to memory of 4640	4548	2024-11-21_8f63d3c5974a521fddaa6c3ae0f3d254_cryptolocker.exe	84
PID 4548 wrote to memory of 4640	4548	2024-11-21_8f63d3c5974a521fddaa6c3ae0f3d254_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-11-21_8f63d3c5974a521fddaa6c3ae0f3d254_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-21_8f63d3c5974a521fddaa6c3ae0f3d254_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4548
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
31KB

MD5
c15c60edb86a10a78e22e1be6c568b82

SHA1
bd0390b4ef1bf08c66b519e8d0ff8ba0568f809d

SHA256
bb41e5f184e795ac3bab4ce685ce32aa76b76b847b1bc66600c2d9f3c5066e50

SHA512
5359c6728557b1219e0177ab6e85d285834b29d0df1269aa88870167414182fe247816914a86816733119088f7d252ce7ed8c5a26959bc5154edfab45ec28f55

Download Submit
memory/4548-0-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/4548-1-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/4548-2-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/4640-17-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/4640-18-0x0000000000720000-0x0000000000726000-memory.dmp

Filesize
24KB

Download