a60b7a2ef406fd853f59afb392ba91901e059cb256ae7f09de38344c55de4fa0

Analysis

max time kernel
151s
max time network
34s
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_border.frag
Size

277B
MD5

c3de3a3ad0e86e4c8ea505d848cc14f7
SHA1

5be6136084441095017b4987106f641e8438a0f3
SHA256

13edc8d844ec8209e3969828a849fc3f3ec9f0982aa06d03b9abe53cd3c61404
SHA512

8145fb3764bc02023c7eee9bf898624141caba240c461c510b62ff76073eb596654753166694bb83b63ca38d3f4f598cdb69c50a32786d533c6fb240744d63cd

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 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.frag	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\frag_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\frag_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\frag_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\frag_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\frag_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.frag\ = "frag_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\frag_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

1720 AcroRd32.exe
1720 AcroRd32.exe
1720 AcroRd32.exe

pid	process
1720	AcroRd32.exe
1720	AcroRd32.exe
1720	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2008 wrote to memory of 1868	2008	cmd.exe	rundll32.exe
PID 2008 wrote to memory of 1868	2008	cmd.exe	rundll32.exe
PID 2008 wrote to memory of 1868	2008	cmd.exe	rundll32.exe
PID 1868 wrote to memory of 1720	1868	rundll32.exe	AcroRd32.exe
PID 1868 wrote to memory of 1720	1868	rundll32.exe	AcroRd32.exe
PID 1868 wrote to memory of 1720	1868	rundll32.exe	AcroRd32.exe
PID 1868 wrote to memory of 1720	1868	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\background_border.frag
1⤵
- Suspicious use of WriteProcessMemory
PID:2008

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\background_border.frag
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1868

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_border.frag"
3⤵
- Suspicious use of SetWindowsHookEx
PID:1720

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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