32aaffb3abfa622c185dd01ebd7c7e72bed07f9a5f1bdad151ab163a42ab8a80

Analysis

max time kernel
1811s
max time network
1610s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
06-02-2023 15:57

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General

Target

Payload/YouTube.app/Frameworks/libcolorpicker.dylib
Size

167KB
MD5

cc0028c098a82d29ea5758ac05db1ba8
SHA1

c5313e945e8b2275ca74b61f6eb312cf4251aac5
SHA256

877a6649dd221fea6ad7d61e8e9f70ea737046de4449f82de69db8f664f697bc
SHA512

125bfab84e90a058c42897717e69958e901f8713effe821170ebf15ec27948d14fb8085aa24ec821e354681501a3421bb8098aac9ccf88bf29e1305087ff8ad3
SSDEEP

1536:FY+VBhrg53LtQb7KT3gDTmFAIpilDce0MaT6FF4TbnFp6t5NiifIpV:fXgAcBM5UifU

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-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\dylib_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\dylib_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\dylib_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\dylib_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\dylib_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\.dylib	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\.dylib\ = "dylib_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\dylib_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

860 AcroRd32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

860 AcroRd32.exe
860 AcroRd32.exe
860 AcroRd32.exe

pid	process
860	AcroRd32.exe

pid	process
860	AcroRd32.exe
860	AcroRd32.exe
860	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1416 wrote to memory of 812	1416	cmd.exe	rundll32.exe
PID 1416 wrote to memory of 812	1416	cmd.exe	rundll32.exe
PID 1416 wrote to memory of 812	1416	cmd.exe	rundll32.exe
PID 812 wrote to memory of 860	812	rundll32.exe	AcroRd32.exe
PID 812 wrote to memory of 860	812	rundll32.exe	AcroRd32.exe
PID 812 wrote to memory of 860	812	rundll32.exe	AcroRd32.exe
PID 812 wrote to memory of 860	812	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Payload\YouTube.app\Frameworks\libcolorpicker.dylib
1⤵
- Suspicious use of WriteProcessMemory
PID:1416

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Payload\YouTube.app\Frameworks\libcolorpicker.dylib
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:812

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\Payload\YouTube.app\Frameworks\libcolorpicker.dylib"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:860

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/812-76-0x0000000000000000-mapping.dmp

Download
memory/860-81-0x0000000000000000-mapping.dmp

Download
memory/860-82-0x00000000767B1000-0x00000000767B3000-memory.dmp

Filesize
8KB

Download
memory/1416-54-0x000007FEFC451000-0x000007FEFC453000-memory.dmp

Filesize
8KB

Download