22f331b38e35d30be7501ddda4d0dc61dfe1924c0e87a4f7dced2af78bdbd977

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04-09-2024 12:25

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General

Target

2024-09-04_7a650d4d538112dae25477a7b1c1ccd4_cryptolocker.exe
Size

41KB
MD5

7a650d4d538112dae25477a7b1c1ccd4
SHA1

db066a99d18ae84976b880e12669f72425ed51fd
SHA256

22f331b38e35d30be7501ddda4d0dc61dfe1924c0e87a4f7dced2af78bdbd977
SHA512

897efd39332cdcfa3c0daf21614b588cc8aa8f1f8bee2a85c72381235312cc046c29d21f76abfeef544ea0e590adced8787d3539c641ffb0e434942b6a349121
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754XcwxbFqZM5:bxNrC7kYo1Fxf3s05rwxbFn

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	2024-09-04_7a650d4d538112dae25477a7b1c1ccd4_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
8	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	2024-09-04_7a650d4d538112dae25477a7b1c1ccd4_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 1420 wrote to memory of 8	1420	2024-09-04_7a650d4d538112dae25477a7b1c1ccd4_cryptolocker.exe	84
PID 1420 wrote to memory of 8	1420	2024-09-04_7a650d4d538112dae25477a7b1c1ccd4_cryptolocker.exe	84
PID 1420 wrote to memory of 8	1420	2024-09-04_7a650d4d538112dae25477a7b1c1ccd4_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-04_7a650d4d538112dae25477a7b1c1ccd4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-04_7a650d4d538112dae25477a7b1c1ccd4_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1420
- 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:8

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
41KB

MD5
714ca96a850ae4bb7d1144aea55e8eec

SHA1
f31dde3c06325d7a90671191093210277a10aeee

SHA256
faa00e663ed458f0a5f1e2e782ce447fc43d5754b9260c1376b977a2638285bf

SHA512
ad2e71386a4c17d44a478279b9217638d9a1d3c2fb203c013b095f184a6f5e76b3b6bcbdbc6707d086259e9d8d5a1e06294b368897d3a855854ae45db8412ede

Download Submit
memory/8-17-0x0000000003000000-0x0000000003006000-memory.dmp

Filesize
24KB

Download
memory/8-23-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/1420-0-0x0000000002340000-0x0000000002346000-memory.dmp

Filesize
24KB

Download
memory/1420-1-0x0000000002340000-0x0000000002346000-memory.dmp

Filesize
24KB

Download
memory/1420-2-0x0000000003140000-0x0000000003146000-memory.dmp

Filesize
24KB

Download