7ba7d11ece7e85cb9f0978678d74ddeb5bf57c1660df5a149937403a602a7f5d

Analysis

Target

data/java/metasploit/AESEncryption.class
Size

1KB
MD5

1dca849762761218305efd77218ce62b
SHA1

d93205ac29f4e8b2564e0b91eb5ab72b221f9a65
SHA256

0998a55a7d786dd0db2720734521505e1168dc7ec0d75451a6732983894c084f
SHA512

c37b83f4131f253b39aab838f444ae79d5713c4330a38e55e75cc02e6c540b38d0155c0c154a1ab27f07e049fecaadd8f7c61f36d15d7e208f130a51b7b7893e

Score

3^/10

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

System Information Discovery
T1082

Modifies registry class 10 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\class_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\class_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\class_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\.class\ = "class_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\class_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\class_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\class_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\.class	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1456 AcroRd32.exe
1456 AcroRd32.exe
1456 AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 956 wrote to memory of 1760	956	cmd.exe	rundll32.exe
PID 956 wrote to memory of 1760	956	cmd.exe	rundll32.exe
PID 956 wrote to memory of 1760	956	cmd.exe	rundll32.exe
PID 1760 wrote to memory of 1456	1760	rundll32.exe	AcroRd32.exe
PID 1760 wrote to memory of 1456	1760	rundll32.exe	AcroRd32.exe
PID 1760 wrote to memory of 1456	1760	rundll32.exe	AcroRd32.exe
PID 1760 wrote to memory of 1456	1760	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\data\java\metasploit\AESEncryption.class
1⤵
- Suspicious use of WriteProcessMemory
PID:956

C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\data\java\metasploit\AESEncryption.class"
3⤵
- Suspicious use of SetWindowsHookEx
PID:1456

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/956-54-0x000007FEFBE51000-0x000007FEFBE53000-memory.dmp

Filesize
8KB

Download
memory/1456-81-0x0000000000000000-mapping.dmp

Download
memory/1456-82-0x00000000763E1000-0x00000000763E3000-memory.dmp

Filesize
8KB

Download
memory/1760-76-0x0000000000000000-mapping.dmp

Download