1ae8a21ea4ac52b36a86c14062ba0e6e6eb91efcc361008ede34879d6e14d877

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
06-02-2024 05:48

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General

Target

2024-02-06_7f7ebaa39943d0b2b0bb10663b68bb7f_ryuk.exe
Size

691KB
MD5

7f7ebaa39943d0b2b0bb10663b68bb7f
SHA1

e7451bb79ff1bd2f942c9f819b5995b5fbad981c
SHA256

1ae8a21ea4ac52b36a86c14062ba0e6e6eb91efcc361008ede34879d6e14d877
SHA512

6211d7a5013000fe4a5b87553ec5fdda73e643d71cce101fae393ae87031a1f86510f55e51b9de9790d8ef7848a447b4c43933e068d7af0d0ec5e0b7cc423c64
SSDEEP

6144:3NIshLB29WxBTU6s9hrLzI7/dLLSnAkYXyxIst09xJTtP7/F30yoyANzzEX:3NIsPU6s9hnzOd4YXyxdu9MtdsX

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

2024-02-06_7f7ebaa39943d0b2b0bb10663b68bb7f_ryuk.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bandera = "C:\\ProgramData\\rdpclient.exe"	2024-02-06_7f7ebaa39943d0b2b0bb10663b68bb7f_ryuk.exe

Enumerates connected drives 3 TTPs 3 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

2024-02-06_7f7ebaa39943d0b2b0bb10663b68bb7f_ryuk.exe

description	ioc	process
File opened (read-only)	\??\E:	2024-02-06_7f7ebaa39943d0b2b0bb10663b68bb7f_ryuk.exe
File opened (read-only)	\??\A:	2024-02-06_7f7ebaa39943d0b2b0bb10663b68bb7f_ryuk.exe
File opened (read-only)	\??\B:	2024-02-06_7f7ebaa39943d0b2b0bb10663b68bb7f_ryuk.exe

C:\Users\Admin\AppData\Local\Temp\2024-02-06_7f7ebaa39943d0b2b0bb10663b68bb7f_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-06_7f7ebaa39943d0b2b0bb10663b68bb7f_ryuk.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
PID:2168

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2168-4-0x000000013F400000-0x000000013F4A4000-memory.dmp

Filesize
656KB

Download
memory/2168-3-0x0000000000210000-0x0000000000215000-memory.dmp

Filesize
20KB

Download
memory/2168-1-0x00000000001F0000-0x00000000001F7000-memory.dmp

Filesize
28KB

Download
memory/2168-9-0x0000000000220000-0x0000000000224000-memory.dmp

Filesize
16KB

Download
memory/2168-11-0x0000000000210000-0x0000000000215000-memory.dmp

Filesize
20KB

Download
memory/2168-0-0x0000000000220000-0x0000000000224000-memory.dmp

Filesize
16KB

Download