115b4221641e6b55100b17e0e1f335852017203abc2da4081b967c37b9d5f32a

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 02:38

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General

Target

2024-05-22_e1f41ec421163416e4a4b8d51b2b304e_ryuk.exe
Size

362KB
MD5

e1f41ec421163416e4a4b8d51b2b304e
SHA1

7b352f0cda2fb678cf651ec38abc44406d26c394
SHA256

115b4221641e6b55100b17e0e1f335852017203abc2da4081b967c37b9d5f32a
SHA512

46bf1edb0576573a43ef0b51e462e1e54424f96c59b0bfcdef64fe5256561c6f6cd1156b3cc00c29e12ee941898b5b986e3f34bfef4a3bd8b7e5ae021ea5b3d8
SSDEEP

6144:phptWYnICsVgswYdkihd23gIcVNETvFY/yMviOBBSr+Bd9Wyda7sHW31cSqoI:jDnICsVgswYdkagg7ETv2ViOmwWyg7B6

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

572 cmd.exe
Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery
T1018

Processes:

PING.EXEPING.EXE

pid process

2144 PING.EXE
2356 PING.EXE

pid	process
572	cmd.exe

pid	process
2144	PING.EXE
2356	PING.EXE

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

2024-05-22_e1f41ec421163416e4a4b8d51b2b304e_ryuk.execmd.exe

description	pid	process	target process
PID 2436 wrote to memory of 572	2436	2024-05-22_e1f41ec421163416e4a4b8d51b2b304e_ryuk.exe	cmd.exe
PID 2436 wrote to memory of 572	2436	2024-05-22_e1f41ec421163416e4a4b8d51b2b304e_ryuk.exe	cmd.exe
PID 2436 wrote to memory of 572	2436	2024-05-22_e1f41ec421163416e4a4b8d51b2b304e_ryuk.exe	cmd.exe
PID 572 wrote to memory of 2144	572	cmd.exe	PING.EXE
PID 572 wrote to memory of 2144	572	cmd.exe	PING.EXE
PID 572 wrote to memory of 2144	572	cmd.exe	PING.EXE
PID 572 wrote to memory of 2356	572	cmd.exe	PING.EXE
PID 572 wrote to memory of 2356	572	cmd.exe	PING.EXE
PID 572 wrote to memory of 2356	572	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\2024-05-22_e1f41ec421163416e4a4b8d51b2b304e_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_e1f41ec421163416e4a4b8d51b2b304e_ryuk.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2436

C:\Windows\system32\cmd.exe
"C:\Windows\system32\cmd.exe" /c ping 127.0.0.1 -n 2 & del "C:\Users\Admin\AppData\Local\Temp\2024-05-22_e1f41ec421163416e4a4b8d51b2b304e_ryuk.exe" & ping 127.0.0.1 -n 2 & del /q "C:\ProgramData\Microsoft Setup"
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:572

C:\Windows\system32\PING.EXE
ping 127.0.0.1 -n 2
3⤵
- Runs ping.exe
PID:2144

C:\Windows\system32\PING.EXE
ping 127.0.0.1 -n 2
3⤵
- Runs ping.exe
PID:2356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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