f1b9e064889aa3096a12e17df1c6c0fc2ca669cfb027db55635fc44b7b70fce1

Analysis

max time kernel
117s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14-03-2024 09:29

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General

Target

2024-03-14_702ba6085641e8f88e68e75b9356368e_ryuk.exe
Size

1.1MB
MD5

702ba6085641e8f88e68e75b9356368e
SHA1

db04a9a7839a7ae2aa0d10c0688c566b067a7552
SHA256

f1b9e064889aa3096a12e17df1c6c0fc2ca669cfb027db55635fc44b7b70fce1
SHA512

7cd6dcb96ec8c69d3dbc8121b35d98d98ab85d12a02aa25ed7c7e28136404943a6e388b859ea51f44c1565663f7c910820daa17d67314599145cf5ff75b660bf
SSDEEP

24576:jGBLWnsLA675EcvOWVacjEexQVnogfdqHByH1gu5sdLvK9OV+umJXeetXY:qFusnOWVacjxxQVnddqJBZK9G+umJXD9

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\alg.exe	2024-03-14_702ba6085641e8f88e68e75b9356368e_ryuk.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	3048	2024-03-14_702ba6085641e8f88e68e75b9356368e_ryuk.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-14_702ba6085641e8f88e68e75b9356368e_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-14_702ba6085641e8f88e68e75b9356368e_ryuk.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:3048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3048-0-0x0000000140000000-0x0000000140146000-memory.dmp

Filesize
1.3MB

Download
memory/3048-1-0x0000000000310000-0x0000000000370000-memory.dmp

Filesize
384KB

Download
memory/3048-7-0x0000000000310000-0x0000000000370000-memory.dmp

Filesize
384KB

Download
memory/3048-8-0x0000000000310000-0x0000000000370000-memory.dmp

Filesize
384KB

Download
memory/3048-12-0x0000000000310000-0x0000000000370000-memory.dmp

Filesize
384KB

Download
memory/3048-14-0x0000000140000000-0x0000000140146000-memory.dmp

Filesize
1.3MB

Download