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

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

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

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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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads