b53b9796303fb2d0969dd2bf5175e6f383d0689084d2a9b43037b9dbc1298748

Analysis

max time kernel
140s
max time network
35s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
16/04/2023, 19:12

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General

Target

Yagami 1.0.rar
Size

30.2MB
MD5

c91363602b2ffd7a2a3387b2aac75714
SHA1

3c618adb764ddccb04c2b8b4527fee3f71339c78
SHA256

b53b9796303fb2d0969dd2bf5175e6f383d0689084d2a9b43037b9dbc1298748
SHA512

d646758168780213e4f6d671cb10d46cba62d29c8a060101547cfc7e8e1429df88eff52866c9d856d2f265ae66bee4f2043669137034277f6d3841c6b67368b0
SSDEEP

786432:saJ9gEiCrplQcQ4IfxIxSyoDJMC/HNxct0pIJA8FkxdCjaTdf:vJ9cO5aSxfoNMC/txcCWzAxxf

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-1-5-21-1283023626-844874658-3193756055-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1748	vlc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1748	vlc.exe

Suspicious use of FindShellTrayWindow 12 IoCs

pid	Process
1748	vlc.exe
1748	vlc.exe
1748	vlc.exe
1748	vlc.exe
1748	vlc.exe
1748	vlc.exe
1748	vlc.exe
1748	vlc.exe
1748	vlc.exe
1748	vlc.exe
1748	vlc.exe
1748	vlc.exe

Suspicious use of SendNotifyMessage 11 IoCs

pid	Process
1748	vlc.exe
1748	vlc.exe
1748	vlc.exe
1748	vlc.exe
1748	vlc.exe
1748	vlc.exe
1748	vlc.exe
1748	vlc.exe
1748	vlc.exe
1748	vlc.exe
1748	vlc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1748	vlc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 1476	2032	cmd.exe	29
PID 2032 wrote to memory of 1476	2032	cmd.exe	29
PID 2032 wrote to memory of 1476	2032	cmd.exe	29
PID 1476 wrote to memory of 1748	1476	rundll32.exe	30
PID 1476 wrote to memory of 1748	1476	rundll32.exe	30
PID 1476 wrote to memory of 1748	1476	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Yagami 1.0.rar"
1⤵
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Yagami 1.0.rar
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1476
- - C:\Program Files\VideoLAN\VLC\vlc.exe
    "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\Yagami 1.0.rar"
    3⤵
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of SetWindowsHookEx
    PID:1748

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/1748-78-0x000000013F6D0000-0x000000013F7C8000-memory.dmp

Filesize
992KB

Download
memory/1748-84-0x000007FEFB030000-0x000007FEFB064000-memory.dmp

Filesize
208KB

Download
memory/1748-85-0x000007FEF6710000-0x000007FEF69C4000-memory.dmp

Filesize
2.7MB

Download
memory/1748-86-0x000007FEFB560000-0x000007FEFB578000-memory.dmp

Filesize
96KB

Download
memory/1748-87-0x000007FEF7160000-0x000007FEF7177000-memory.dmp

Filesize
92KB

Download
memory/1748-88-0x000007FEF7140000-0x000007FEF7151000-memory.dmp

Filesize
68KB

Download
memory/1748-89-0x000007FEF7120000-0x000007FEF7137000-memory.dmp

Filesize
92KB

Download
memory/1748-91-0x000007FEF70E0000-0x000007FEF70FD000-memory.dmp

Filesize
116KB

Download
memory/1748-90-0x000007FEF7100000-0x000007FEF7111000-memory.dmp

Filesize
68KB

Download
memory/1748-92-0x000007FEF70C0000-0x000007FEF70D1000-memory.dmp

Filesize
68KB

Download
memory/1748-93-0x000007FEF6490000-0x000007FEF6690000-memory.dmp

Filesize
2.0MB

Download
memory/1748-94-0x000007FEF53E0000-0x000007FEF648B000-memory.dmp

Filesize
16.7MB

Download
memory/1748-95-0x000007FEF6AB0000-0x000007FEF6AEF000-memory.dmp

Filesize
252KB

Download
memory/1748-96-0x000007FEF6A80000-0x000007FEF6AA1000-memory.dmp

Filesize
132KB

Download
memory/1748-98-0x000007FEF66F0000-0x000007FEF6701000-memory.dmp

Filesize
68KB

Download
memory/1748-99-0x000007FEF66D0000-0x000007FEF66E1000-memory.dmp

Filesize
68KB

Download
memory/1748-97-0x000007FEF6A60000-0x000007FEF6A78000-memory.dmp

Filesize
96KB

Download
memory/1748-100-0x000007FEF53C0000-0x000007FEF53D1000-memory.dmp

Filesize
68KB

Download
memory/1748-101-0x000007FEF53A0000-0x000007FEF53BB000-memory.dmp

Filesize
108KB

Download
memory/1748-102-0x000007FEF5380000-0x000007FEF5391000-memory.dmp

Filesize
68KB

Download
memory/1748-104-0x000007FEF5330000-0x000007FEF5360000-memory.dmp

Filesize
192KB

Download
memory/1748-103-0x000007FEF5360000-0x000007FEF5378000-memory.dmp

Filesize
96KB

Download
memory/1748-105-0x000007FEF52C0000-0x000007FEF5327000-memory.dmp

Filesize
412KB

Download
memory/1748-106-0x000007FEF5230000-0x000007FEF529F000-memory.dmp

Filesize
444KB

Download
memory/1748-107-0x000007FEF5210000-0x000007FEF5221000-memory.dmp

Filesize
68KB

Download
memory/1748-108-0x000007FEF51B0000-0x000007FEF5206000-memory.dmp

Filesize
344KB

Download
memory/1748-109-0x000007FEF5180000-0x000007FEF51A8000-memory.dmp

Filesize
160KB

Download
memory/1748-110-0x000007FEF5150000-0x000007FEF5174000-memory.dmp

Filesize
144KB

Download
memory/1748-111-0x000007FEF5130000-0x000007FEF5147000-memory.dmp

Filesize
92KB

Download
memory/1748-112-0x000007FEF5100000-0x000007FEF5123000-memory.dmp

Filesize
140KB

Download
memory/1748-113-0x000007FEF50E0000-0x000007FEF50F1000-memory.dmp

Filesize
68KB

Download
memory/1748-115-0x000007FEF4FC0000-0x000007FEF4FE1000-memory.dmp

Filesize
132KB

Download
memory/1748-116-0x000007FEF4FA0000-0x000007FEF4FB3000-memory.dmp

Filesize
76KB

Download
memory/1748-114-0x000007FEF4FF0000-0x000007FEF5002000-memory.dmp

Filesize
72KB

Download
memory/1748-117-0x000007FEF4F80000-0x000007FEF4F92000-memory.dmp

Filesize
72KB

Download
memory/1748-118-0x000007FEF4DA0000-0x000007FEF4EDB000-memory.dmp

Filesize
1.2MB

Download
memory/1748-119-0x000007FEF4D70000-0x000007FEF4D9C000-memory.dmp

Filesize
176KB

Download
memory/1748-120-0x000007FEF4BB0000-0x000007FEF4D62000-memory.dmp

Filesize
1.7MB

Download
memory/1748-121-0x000007FEF3F60000-0x000007FEF3FBC000-memory.dmp

Filesize
368KB

Download
memory/1748-122-0x000007FEF3F40000-0x000007FEF3F51000-memory.dmp

Filesize
68KB

Download
memory/1748-123-0x000007FEF3C90000-0x000007FEF3D27000-memory.dmp

Filesize
604KB

Download
memory/1748-124-0x000007FEF3EB0000-0x000007FEF3EC2000-memory.dmp

Filesize
72KB

Download
memory/1748-125-0x000007FEF3A50000-0x000007FEF3C81000-memory.dmp

Filesize
2.2MB

Download
memory/1748-126-0x000007FEF3E70000-0x000007FEF3EA5000-memory.dmp

Filesize
212KB

Download
memory/1748-127-0x000007FEF3E40000-0x000007FEF3E65000-memory.dmp

Filesize
148KB

Download
memory/1748-128-0x000007FEF3E20000-0x000007FEF3E31000-memory.dmp

Filesize
68KB

Download
memory/1748-129-0x000007FEF3DB0000-0x000007FEF3E11000-memory.dmp

Filesize
388KB

Download
memory/1748-130-0x000007FEF3D90000-0x000007FEF3DA1000-memory.dmp

Filesize
68KB

Download
memory/1748-131-0x000007FEF3D70000-0x000007FEF3D82000-memory.dmp

Filesize
72KB

Download
memory/1748-132-0x000007FEF3D50000-0x000007FEF3D63000-memory.dmp

Filesize
76KB

Download
memory/1748-133-0x000007FEF3690000-0x000007FEF372F000-memory.dmp

Filesize
636KB

Download
memory/1748-134-0x000007FEF3D30000-0x000007FEF3D41000-memory.dmp

Filesize
68KB

Download
memory/1748-135-0x000007FEF3580000-0x000007FEF3682000-memory.dmp

Filesize
1.0MB

Download
memory/1748-136-0x000007FEF3560000-0x000007FEF3571000-memory.dmp

Filesize
68KB

Download
memory/1748-137-0x000007FEF33E0000-0x000007FEF3558000-memory.dmp

Filesize
1.5MB

Download
memory/1748-138-0x000007FEF33C0000-0x000007FEF33D7000-memory.dmp

Filesize
92KB

Download
memory/1748-139-0x000007FEF33A0000-0x000007FEF33B1000-memory.dmp

Filesize
68KB

Download
memory/1748-140-0x000007FEF3380000-0x000007FEF3391000-memory.dmp

Filesize
68KB

Download
memory/1748-141-0x000007FEF3360000-0x000007FEF3372000-memory.dmp

Filesize
72KB

Download
memory/1748-142-0x000007FEF3340000-0x000007FEF3358000-memory.dmp

Filesize
96KB

Download
memory/1748-143-0x000007FEF3320000-0x000007FEF3336000-memory.dmp

Filesize
88KB

Download
memory/1748-144-0x000007FEF32F0000-0x000007FEF3319000-memory.dmp

Filesize
164KB

Download
memory/1748-145-0x000007FEF32D0000-0x000007FEF32E2000-memory.dmp

Filesize
72KB

Download
memory/1748-146-0x000007FEF32B0000-0x000007FEF32C1000-memory.dmp

Filesize
68KB

Download