290a717a8a5ba56eab597a74e3b0c87bf3995c24144bc69cfe659c6ec35007dd

Analysis

max time kernel
159s
max time network
42s
platform
windows7_x64
resource
win7-20220414-en
submitted
03-07-2022 17:37

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General

Target

data/java/metasploit/PayloadServlet.class
Size

812B
MD5

fde9d6537fad39bd44159a8c14abe4d7
SHA1

969ab78ed8999b229dc22bbc3e56b2dc3d53208d
SHA256

9148a9b109f6e8ebde9d319c32d25de5437cb18ee223f72324c5479760ab8375
SHA512

511cb8521d82b2a38d7c66ec126d3f9ce388b4b635e097a78187293ec868b70928ac98297df4f8cd9e6c580c59919e2fc4310ff5b70b38eb92aad97fdf3a0293

Score

3^/10

Malware Config

Signatures

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-1-5-21-790309383-526510583-3802439154-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\class_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\class_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\class_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\class_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\.class	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\.class\ = "class_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\class_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\class_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1656 AcroRd32.exe
1656 AcroRd32.exe
1656 AcroRd32.exe

pid	process
1656	AcroRd32.exe
1656	AcroRd32.exe
1656	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1276 wrote to memory of 1640	1276	cmd.exe	rundll32.exe
PID 1276 wrote to memory of 1640	1276	cmd.exe	rundll32.exe
PID 1276 wrote to memory of 1640	1276	cmd.exe	rundll32.exe
PID 1640 wrote to memory of 1656	1640	rundll32.exe	AcroRd32.exe
PID 1640 wrote to memory of 1656	1640	rundll32.exe	AcroRd32.exe
PID 1640 wrote to memory of 1656	1640	rundll32.exe	AcroRd32.exe
PID 1640 wrote to memory of 1656	1640	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\data\java\metasploit\PayloadServlet.class
1⤵
- Suspicious use of WriteProcessMemory
PID:1276

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\data\java\metasploit\PayloadServlet.class
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1640

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\PayloadServlet.class"
3⤵
- Suspicious use of SetWindowsHookEx
PID:1656

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1276-54-0x000007FEFB851000-0x000007FEFB853000-memory.dmp

Filesize
8KB

Download
memory/1640-76-0x0000000000000000-mapping.dmp

Download
memory/1656-81-0x0000000000000000-mapping.dmp

Download
memory/1656-82-0x0000000075E41000-0x0000000075E43000-memory.dmp

Filesize
8KB

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