1fce3f6211996da0e3be88ffda9d78eeedf0acf7b55fbe67c52fd5764845110d

Analysis

max time kernel
187s
max time network
65s
platform
windows7_x64
resource
win7-20220414-en
submitted
03-07-2022 17:36

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General

Target

data/java/metasploit/JMXPayloadMBean.class
Size

163B
MD5

085d95ceddf953cd94e138d0d8abce4b
SHA1

ef1103236a4701921b00cb30241db80791aa62d4
SHA256

89a2395fe23607c41f5292f6aa22565e69d557bf529166f7c6e3c2d89b6c41b8
SHA512

ff5ddf968437180bd1b017e8fc3adcc2468bd68b35a5001ce909d69d5a9ae670971342e034dbf459bd2856fcee820ad33f29a362917e3c6d05c7b6bfe44ba6f4

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-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\class_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\class_auto_file\shell	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	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
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	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1160 AcroRd32.exe
1160 AcroRd32.exe
1160 AcroRd32.exe

pid	process
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1844 wrote to memory of 900	1844	cmd.exe	rundll32.exe
PID 1844 wrote to memory of 900	1844	cmd.exe	rundll32.exe
PID 1844 wrote to memory of 900	1844	cmd.exe	rundll32.exe
PID 900 wrote to memory of 1160	900	rundll32.exe	AcroRd32.exe
PID 900 wrote to memory of 1160	900	rundll32.exe	AcroRd32.exe
PID 900 wrote to memory of 1160	900	rundll32.exe	AcroRd32.exe
PID 900 wrote to memory of 1160	900	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\data\java\metasploit\JMXPayloadMBean.class
1⤵
- Suspicious use of WriteProcessMemory
PID:1844

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\JMXPayloadMBean.class
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:900

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\JMXPayloadMBean.class"
3⤵
- Suspicious use of SetWindowsHookEx
PID:1160

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

Replay Monitor

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Downloads

memory/900-76-0x0000000000000000-mapping.dmp

Download
memory/1160-81-0x0000000000000000-mapping.dmp

Download
memory/1160-82-0x0000000075541000-0x0000000075543000-memory.dmp

Filesize
8KB

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memory/1844-54-0x000007FEFB751000-0x000007FEFB753000-memory.dmp

Filesize
8KB

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