58b5c71cb21b0c9327216aff93feed72365921d396e21eab0f2413a84fdd833f

Analysis

max time kernel
151s
max time network
41s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
01/10/2022, 23:22

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

MyColorSpace.class
Size

920B
MD5

d233a1f7b033d0c68853c571e9b3982e
SHA1

69ed29118abf971715ab03c989c1892f28cd1676
SHA256

37335da796b5410941f4795330fbfdfbea8d6d4cfc219898885588556ed5385a
SHA512

977831f3ee18be15fad34369ef84d30a7b625c690c5437722e156769faa16c7ba8275a8dbd46d74dd1dc74ceaae9385f315d11bbee7fc3abaed860bf265cda5d

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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\.class	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\.class\ = "class_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\class_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\class_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\class_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\class_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\class_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\class_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1148 wrote to memory of 1796	1148	cmd.exe	27
PID 1148 wrote to memory of 1796	1148	cmd.exe	27
PID 1148 wrote to memory of 1796	1148	cmd.exe	27
PID 1796 wrote to memory of 960	1796	rundll32.exe	28
PID 1796 wrote to memory of 960	1796	rundll32.exe	28
PID 1796 wrote to memory of 960	1796	rundll32.exe	28
PID 1796 wrote to memory of 960	1796	rundll32.exe	28

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\MyColorSpace.class
1⤵
- Suspicious use of WriteProcessMemory
PID:1148
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\MyColorSpace.class
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1796
- - 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\MyColorSpace.class"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:960

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/960-82-0x0000000075041000-0x0000000075043000-memory.dmp

Filesize
8KB

Download
memory/1148-54-0x000007FEFBC61000-0x000007FEFBC63000-memory.dmp

Filesize
8KB

Download