14322770226ff226c95b06ac17f73b122fcff5f4a7e2a987be0fd88cfd6ff004

Analysis

max time kernel
49s
max time network
53s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
31/03/2023, 21:36

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Reason

Machine shutdown

Report Analysis Logs

General

Target

PC Optimization.rar
Size

17.6MB
MD5

98ea36ff977467b74d54730f59c4a866
SHA1

ccb4f5abf676e970d7582bc76aa9f96e454f31e5
SHA256

14322770226ff226c95b06ac17f73b122fcff5f4a7e2a987be0fd88cfd6ff004
SHA512

ff2a43d7b24ddb4db2e2a597e96c1acc32d13a5332f95a63fca62e50f3d0862cfb18222d1d87d64563234c1ccf2a43175a9940f3702b2079090220e54971267a
SSDEEP

393216:fuWv4O3qd5dzGKGaStv8biN4/lATAZ2ZzL1S2HdUFd7ezunlHRkMnS:fuWvxqNStGi9S2HFFaMgS

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 2 IoCs

description	ioc	Process
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\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1772	vlc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1772	vlc.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	1476	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1476	AUDIODG.EXE
Token: 33	1476	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1476	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 10 IoCs

pid	Process
1772	vlc.exe
1772	vlc.exe
1772	vlc.exe
1772	vlc.exe
1772	vlc.exe
1772	vlc.exe
1772	vlc.exe
1772	vlc.exe
1772	vlc.exe
1772	vlc.exe

Suspicious use of SendNotifyMessage 9 IoCs

pid	Process
1772	vlc.exe
1772	vlc.exe
1772	vlc.exe
1772	vlc.exe
1772	vlc.exe
1772	vlc.exe
1772	vlc.exe
1772	vlc.exe
1772	vlc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1772	vlc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 1948	2040	cmd.exe	29
PID 2040 wrote to memory of 1948	2040	cmd.exe	29
PID 2040 wrote to memory of 1948	2040	cmd.exe	29
PID 1948 wrote to memory of 1772	1948	rundll32.exe	30
PID 1948 wrote to memory of 1772	1948	rundll32.exe	30
PID 1948 wrote to memory of 1772	1948	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\PC Optimization.rar"
1⤵
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\PC Optimization.rar
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1948
- - C:\Program Files\VideoLAN\VLC\vlc.exe
    "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\PC Optimization.rar"
    3⤵
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of SetWindowsHookEx
    PID:1772

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:1636

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:1616

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x560
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1476

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:2016

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:1536

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

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Downloads

memory/1536-92-0x00000000027E0000-0x00000000027E1000-memory.dmp

Filesize
4KB

Download
memory/1772-86-0x000000013FCF0000-0x000000013FDE8000-memory.dmp

Filesize
992KB

Download
memory/1772-87-0x000007FEFAD40000-0x000007FEFAD74000-memory.dmp

Filesize
208KB

Download
memory/1772-88-0x000007FEF63D0000-0x000007FEF6684000-memory.dmp

Filesize
2.7MB

Download
memory/1772-89-0x000007FEF50A0000-0x000007FEF614B000-memory.dmp

Filesize
16.7MB

Download
memory/1772-90-0x000007FEF4160000-0x000007FEF4272000-memory.dmp

Filesize
1.1MB

Download
memory/2016-91-0x0000000002880000-0x0000000002881000-memory.dmp

Filesize
4KB

Download