31475717735f9aee20def2a4044b42a52cb92e8cf885b92a042099a273688135

Analysis

max time kernel
299s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
26-03-2023 04:40

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General

Target

plugin_vba.py
Size

5KB
MD5

be725a147c8a1adbb0a5d9ec89b72d36
SHA1

e9490ab9f70fd7ca773da72ed0cf4bdafbbc3bbf
SHA256

428cefdf92996358e2edd154f124bbe4b411ee04b1e2618eed5020287794950a
SHA512

d9a30e3cddbdcb9755b62bd5d5c0def58ec4498a3139f4715864fde4507bb03870444ba8b3dc323b582743f17f50df542ec3027cc763b456d9d9fd1e7c891bff
SSDEEP

96:AyqZK7R5lMrzUgi34PUg09N7QUTaUp6Uz7c8Wx2U7HH0WvUr4NPDX:tP7RIUY8Dr0d8WMunDsrSPDX

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 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\py_auto_file\shell	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

784 AcroRd32.exe
784 AcroRd32.exe
784 AcroRd32.exe

pid	process
784	AcroRd32.exe
784	AcroRd32.exe
784	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1120 wrote to memory of 1060	1120	cmd.exe	rundll32.exe
PID 1120 wrote to memory of 1060	1120	cmd.exe	rundll32.exe
PID 1120 wrote to memory of 1060	1120	cmd.exe	rundll32.exe
PID 1060 wrote to memory of 784	1060	rundll32.exe	AcroRd32.exe
PID 1060 wrote to memory of 784	1060	rundll32.exe	AcroRd32.exe
PID 1060 wrote to memory of 784	1060	rundll32.exe	AcroRd32.exe
PID 1060 wrote to memory of 784	1060	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\plugin_vba.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1120

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\plugin_vba.py
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1060

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\plugin_vba.py"
3⤵
- Suspicious use of SetWindowsHookEx
PID:784

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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