a60b7a2ef406fd853f59afb392ba91901e059cb256ae7f09de38344c55de4fa0

Analysis

max time kernel
151s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
09-06-2023 23:27

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General

Target

background_decal.vert
Size

651B
MD5

d319884574ef4aa7607564332b2ca25d
SHA1

bc09abe4998361fd9cdee23a173bb9ff764a323b
SHA256

d8f944b55febdea491ea10e6de6b928e1e79d78ba8ed7ae889ff0dfcf9c708c3
SHA512

614ad718abaf58787755f5142068d4082160b76b096b0da3049a3628f192a3a8ee1a85950d869e9555ef425c3eb7d356e0037b40481469eb062bceb0993979e6

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 10 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\vert_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\vert_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\vert_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.vert	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\vert_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.vert\ = "vert_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\vert_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\vert_auto_file	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

868 AcroRd32.exe
868 AcroRd32.exe
868 AcroRd32.exe

pid	process
868	AcroRd32.exe
868	AcroRd32.exe
868	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1312 wrote to memory of 1652	1312	cmd.exe	rundll32.exe
PID 1312 wrote to memory of 1652	1312	cmd.exe	rundll32.exe
PID 1312 wrote to memory of 1652	1312	cmd.exe	rundll32.exe
PID 1652 wrote to memory of 868	1652	rundll32.exe	AcroRd32.exe
PID 1652 wrote to memory of 868	1652	rundll32.exe	AcroRd32.exe
PID 1652 wrote to memory of 868	1652	rundll32.exe	AcroRd32.exe
PID 1652 wrote to memory of 868	1652	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\background_decal.vert
1⤵
- Suspicious use of WriteProcessMemory
PID:1312

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\background_decal.vert
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1652

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\background_decal.vert"
3⤵
- Suspicious use of SetWindowsHookEx
PID:868

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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