03c577476a0cfe37683beb7551277de93cb85d6397b884eefc6ffd2947b35760

Analysis

max time kernel
90s
max time network
110s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
07/11/2022, 18:58

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General

Target

03c577476a0cfe37683beb7551277de93cb85d6397b884eefc6ffd2947b35760.exe
Size

234KB
MD5

0f1f3ef47fe66f511d620dd785c2d6a3
SHA1

8b82e4f533bee4f07fa466f64dc47945fb3a4694
SHA256

03c577476a0cfe37683beb7551277de93cb85d6397b884eefc6ffd2947b35760
SHA512

07d1b989ab091a50575dcd912ee8af4bb85a40f5e3db686f27b2b8a6036a71140d6a5b28ff125d0afc549686728af4c8560f904ae6ab231eefa449d5cd6bf5af
SSDEEP

3072:n2TcFR/7qAN5vXgteGrwv8MT724/ORPuXAozjYA2kmiK:2I9qUkeGsbkA2NiK

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3716	killa.exe

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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	03c577476a0cfe37683beb7551277de93cb85d6397b884eefc6ffd2947b35760.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\killa.exe	03c577476a0cfe37683beb7551277de93cb85d6397b884eefc6ffd2947b35760.exe
File created	C:\Windows\killa.exe	03c577476a0cfe37683beb7551277de93cb85d6397b884eefc6ffd2947b35760.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3376 wrote to memory of 3716	3376	03c577476a0cfe37683beb7551277de93cb85d6397b884eefc6ffd2947b35760.exe	80
PID 3376 wrote to memory of 3716	3376	03c577476a0cfe37683beb7551277de93cb85d6397b884eefc6ffd2947b35760.exe	80
PID 3376 wrote to memory of 3716	3376	03c577476a0cfe37683beb7551277de93cb85d6397b884eefc6ffd2947b35760.exe	80

C:\Users\Admin\AppData\Local\Temp\03c577476a0cfe37683beb7551277de93cb85d6397b884eefc6ffd2947b35760.exe
"C:\Users\Admin\AppData\Local\Temp\03c577476a0cfe37683beb7551277de93cb85d6397b884eefc6ffd2947b35760.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3376
- C:\Windows\killa.exe
  "C:\Windows\killa.exe" 2C:\Users\Admin\AppData\Local\Temp\03c577476a0cfe37683beb7551277de93cb85d6397b884eefc6ffd2947b35760.exe
  2⤵
  - Executes dropped EXE
  PID:3716

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\killa.exe

Filesize
234KB

MD5
0f1f3ef47fe66f511d620dd785c2d6a3

SHA1
8b82e4f533bee4f07fa466f64dc47945fb3a4694

SHA256
03c577476a0cfe37683beb7551277de93cb85d6397b884eefc6ffd2947b35760

SHA512
07d1b989ab091a50575dcd912ee8af4bb85a40f5e3db686f27b2b8a6036a71140d6a5b28ff125d0afc549686728af4c8560f904ae6ab231eefa449d5cd6bf5af

Download Submit
C:\Windows\killa.exe

Filesize
234KB

MD5
0f1f3ef47fe66f511d620dd785c2d6a3

SHA1
8b82e4f533bee4f07fa466f64dc47945fb3a4694

SHA256
03c577476a0cfe37683beb7551277de93cb85d6397b884eefc6ffd2947b35760

SHA512
07d1b989ab091a50575dcd912ee8af4bb85a40f5e3db686f27b2b8a6036a71140d6a5b28ff125d0afc549686728af4c8560f904ae6ab231eefa449d5cd6bf5af

Download Submit