3f302fd58e30e4708afc25f56cbc448542ab7d0a77a0c122804c502cc932c61a

Analysis

max time kernel
36s
max time network
42s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
27-07-2022 18:51

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General

Target

3f302fd58e30e4708afc25f56cbc448542ab7d0a77a0c122804c502cc932c61a.rar
Size

7.0MB
MD5

f6b8435fa2a8b06d1a01d0aa79e83f88
SHA1

bc8ebd59069fee6a371f0f43ea6be911449cd247
SHA256

3f302fd58e30e4708afc25f56cbc448542ab7d0a77a0c122804c502cc932c61a
SHA512

7475ac87e1a01dd6cddecbd110850402d19678ccc75e8cbbc59f211aa1b1dbfb8425b4fbb0604c80bcce0786a2793c53311895e34231608d8aa77bd127dafa96

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

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

vlc.exe

pid process

240 vlc.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

vlc.exe

pid process

240 vlc.exe
Suspicious use of FindShellTrayWindow 9 IoCs

Processes:

vlc.exe

pid process

240 vlc.exe
240 vlc.exe
240 vlc.exe
240 vlc.exe
240 vlc.exe
240 vlc.exe
240 vlc.exe
240 vlc.exe
240 vlc.exe
Suspicious use of SendNotifyMessage 8 IoCs

Processes:

vlc.exe

pid process

240 vlc.exe
240 vlc.exe
240 vlc.exe
240 vlc.exe
240 vlc.exe
240 vlc.exe
240 vlc.exe
240 vlc.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vlc.exe

pid process

240 vlc.exe

pid	process
240	vlc.exe

pid	process
240	vlc.exe

pid	process
240	vlc.exe
240	vlc.exe
240	vlc.exe
240	vlc.exe
240	vlc.exe
240	vlc.exe
240	vlc.exe
240	vlc.exe
240	vlc.exe

pid	process
240	vlc.exe
240	vlc.exe
240	vlc.exe
240	vlc.exe
240	vlc.exe
240	vlc.exe
240	vlc.exe
240	vlc.exe

pid	process
240	vlc.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1992 wrote to memory of 1336	1992	cmd.exe	rundll32.exe
PID 1992 wrote to memory of 1336	1992	cmd.exe	rundll32.exe
PID 1992 wrote to memory of 1336	1992	cmd.exe	rundll32.exe
PID 1336 wrote to memory of 240	1336	rundll32.exe	vlc.exe
PID 1336 wrote to memory of 240	1336	rundll32.exe	vlc.exe
PID 1336 wrote to memory of 240	1336	rundll32.exe	vlc.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\3f302fd58e30e4708afc25f56cbc448542ab7d0a77a0c122804c502cc932c61a.rar
1⤵
- Suspicious use of WriteProcessMemory
PID:1992

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\3f302fd58e30e4708afc25f56cbc448542ab7d0a77a0c122804c502cc932c61a.rar
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1336

C:\Program Files\VideoLAN\VLC\vlc.exe
"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\3f302fd58e30e4708afc25f56cbc448542ab7d0a77a0c122804c502cc932c61a.rar"
3⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:240

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/240-81-0x0000000000000000-mapping.dmp

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memory/1336-76-0x0000000000000000-mapping.dmp

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memory/1992-54-0x000007FEFBFF1000-0x000007FEFBFF3000-memory.dmp

Filesize
8KB

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