2073b1abb03741af1abba88e0ccd311a3ede19d89bcf1f029606e93545f59f69

Analysis

max time kernel
136s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-08-2024 13:47

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General

Target

2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe
Size

1.8MB
MD5

756ef468f3b055f47c81c2d4cac7cc06
SHA1

075ebf52eb79a5b227964435ffe03db76a69dd91
SHA256

2073b1abb03741af1abba88e0ccd311a3ede19d89bcf1f029606e93545f59f69
SHA512

ec40e5da7ba005f33a00afb38aaeb5ae4750ca2895dcc44fa56f7dac38dd65567c54e118f9d76e33fd2684b53b8ee6f70530a0aa3097bc85eb7fe9a870083c28
SSDEEP

49152:jZH42U78NgjpUAQjqdURLDLy0cdakz1D15:ltNgjpMRL/mx5

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:

2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bandera = "C:\\ProgramData\\rdpclient.exe"	2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe

Enumerates connected drives 3 TTPs 23 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:

2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe

description	ioc	process
File opened (read-only)	\??\E:	2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe
File opened (read-only)	\??\N:	2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe
File opened (read-only)	\??\O:	2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe
File opened (read-only)	\??\P:	2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe
File opened (read-only)	\??\V:	2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe
File opened (read-only)	\??\W:	2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe
File opened (read-only)	\??\A:	2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe
File opened (read-only)	\??\B:	2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe
File opened (read-only)	\??\Z:	2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe
File opened (read-only)	\??\S:	2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe
File opened (read-only)	\??\T:	2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe
File opened (read-only)	\??\G:	2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe
File opened (read-only)	\??\L:	2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe
File opened (read-only)	\??\J:	2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe
File opened (read-only)	\??\K:	2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe
File opened (read-only)	\??\Q:	2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe
File opened (read-only)	\??\R:	2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe
File opened (read-only)	\??\X:	2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe
File opened (read-only)	\??\H:	2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe
File opened (read-only)	\??\I:	2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe
File opened (read-only)	\??\Y:	2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe
File opened (read-only)	\??\M:	2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe
File opened (read-only)	\??\U:	2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
PID:724

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/724-0-0x0000020BFAD00000-0x0000020BFAD06000-memory.dmp

Filesize
24KB

Download
memory/724-1-0x0000020BFAD60000-0x0000020BFAD64000-memory.dmp

Filesize
16KB

Download
memory/724-9-0x0000020BFAD20000-0x0000020BFAD25000-memory.dmp

Filesize
20KB

Download
memory/724-5-0x0000020BFAD20000-0x0000020BFAD25000-memory.dmp

Filesize
20KB

Download
memory/724-11-0x0000020BFAD60000-0x0000020BFAD64000-memory.dmp

Filesize
16KB

Download
memory/724-14-0x0000020BFAD20000-0x0000020BFAD25000-memory.dmp

Filesize
20KB

Download