529804cf8e209aebaa8561fdca5ddd0d9d834b6c490266293380108298eac7e5

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
08-06-2024 16:57

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General

Target

dll/uwpoff.bin
Size

5KB
MD5

f6bd9ca8a75d0e07cfd57177cf7bdab3
SHA1

a876290038821ce7ae8d14e3db3286323f22caa7
SHA256

6b1f4c2089b4086bdfd8b11e90721baffe74ddad2240c787e0245e49e93ac332
SHA512

3b1521a404c47c795d2c960bc3edb5e91cc5e598da3c135c16d46b74dd59a0d3dd44c4dc3158f347489b283a7194bf100389cfeb87d8379e6fcc791705fbfb1a
SSDEEP

48:SClA9KbxnWqU6o+MKd2kbcrzQUuPIKtcuMj18SYlt+gtXvsY9W2XApEdF0/JxNyV:nlAkbAeo+BcPNuMuLlhtX7ptv0/H9Cww

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-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\bin_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\bin_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\bin_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\bin_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\bin_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\bin_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.bin	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.bin\ = "bin_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2412 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2412 AcroRd32.exe
2412 AcroRd32.exe

pid	process
2412	AcroRd32.exe

pid	process
2412	AcroRd32.exe
2412	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 3012 wrote to memory of 2536	3012	cmd.exe	rundll32.exe
PID 3012 wrote to memory of 2536	3012	cmd.exe	rundll32.exe
PID 3012 wrote to memory of 2536	3012	cmd.exe	rundll32.exe
PID 2536 wrote to memory of 2412	2536	rundll32.exe	AcroRd32.exe
PID 2536 wrote to memory of 2412	2536	rundll32.exe	AcroRd32.exe
PID 2536 wrote to memory of 2412	2536	rundll32.exe	AcroRd32.exe
PID 2536 wrote to memory of 2412	2536	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\dll\uwpoff.bin
1⤵
- Suspicious use of WriteProcessMemory
PID:3012

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\dll\uwpoff.bin
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2536

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\dll\uwpoff.bin"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2412

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Filesize
3KB

MD5
0424622db71ebbee56bfc90bd411be9f

SHA1
9a76e37906c193a81580b4573af185c51b9368b6

SHA256
5351db0fb5fb93a38740873ae6f12691f6078ef268381161eca86f8033cf29c6

SHA512
8913149a7e654573b5c3d7c3539619611d00bd44889b7cc6478b3f68257de9d5a4b80e6733759c313fa29859fb2c4308195b4b5b10e565baea862f91b258e962

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