dacd8a22f8597467e2a40b2185995b7477b58bf26d1a719a0258bb21704dc14b

Analysis

max time kernel
1793s
max time network
1562s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
24-08-2024 11:42

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General

Target

OSIRIS.rar
Size

5.5MB
MD5

b4dde8583e5a21a89f53da22a2eae1b5
SHA1

cabfbfb7a75c5e227c1ecf5362b3907dd0376fd3
SHA256

dacd8a22f8597467e2a40b2185995b7477b58bf26d1a719a0258bb21704dc14b
SHA512

7f8f71173e8f73c67456a200070ff1caeb30e6b224c5e6004ab691baab738320a0dc1c412ff48d85b8939e9c90ef19433652eff115d2ff165ffcdbbabbd95350
SSDEEP

98304:FZd1SVotngkASF0Y9qP4FbtIw1nNNYfd7nZeY1qhcyvr6qCubjmzq77iuMKMXV/d:FZdUo9tASFR9G45tLbGpM+Er6jbqSuMZ

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2536	vlc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2536	vlc.exe

Suspicious use of FindShellTrayWindow 9 IoCs

pid	Process
2536	vlc.exe
2536	vlc.exe
2536	vlc.exe
2536	vlc.exe
2536	vlc.exe
2536	vlc.exe
2536	vlc.exe
2536	vlc.exe
2536	vlc.exe

Suspicious use of SendNotifyMessage 8 IoCs

pid	Process
2536	vlc.exe
2536	vlc.exe
2536	vlc.exe
2536	vlc.exe
2536	vlc.exe
2536	vlc.exe
2536	vlc.exe
2536	vlc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2536	vlc.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 3040	3016	cmd.exe	30
PID 3016 wrote to memory of 3040	3016	cmd.exe	30
PID 3016 wrote to memory of 3040	3016	cmd.exe	30
PID 3040 wrote to memory of 2604	3040	rundll32.exe	32
PID 3040 wrote to memory of 2604	3040	rundll32.exe	32
PID 3040 wrote to memory of 2604	3040	rundll32.exe	32
PID 2604 wrote to memory of 2536	2604	rundll32.exe	34
PID 2604 wrote to memory of 2536	2604	rundll32.exe	34
PID 2604 wrote to memory of 2536	2604	rundll32.exe	34

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\OSIRIS.rar
1⤵
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\OSIRIS.rar
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3040
- - C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\OSIRIS.rar
    3⤵
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:2604
  - - C:\Program Files\VideoLAN\VLC\vlc.exe
      "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\OSIRIS.rar"
      4⤵
      Suspicious behavior: AddClipboardFormatListener
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of FindShellTrayWindow
      Suspicious use of SendNotifyMessage
      Suspicious use of SetWindowsHookEx
      PID:2536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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/2536-30-0x000007FEF7550000-0x000007FEF7584000-memory.dmp

Filesize
208KB

Download
memory/2536-29-0x000000013F8A0000-0x000000013F998000-memory.dmp

Filesize
992KB

Download
memory/2536-32-0x000007FEFAC80000-0x000007FEFAC98000-memory.dmp

Filesize
96KB

Download
memory/2536-33-0x000007FEF72F0000-0x000007FEF7307000-memory.dmp

Filesize
92KB

Download
memory/2536-34-0x000007FEF72D0000-0x000007FEF72E1000-memory.dmp

Filesize
68KB

Download
memory/2536-35-0x000007FEF72B0000-0x000007FEF72C7000-memory.dmp

Filesize
92KB

Download
memory/2536-36-0x000007FEF6D60000-0x000007FEF6D71000-memory.dmp

Filesize
68KB

Download
memory/2536-38-0x000007FEF6D20000-0x000007FEF6D31000-memory.dmp

Filesize
68KB

Download
memory/2536-37-0x000007FEF6D40000-0x000007FEF6D5D000-memory.dmp

Filesize
116KB

Download
memory/2536-31-0x000007FEF5DA0000-0x000007FEF6056000-memory.dmp

Filesize
2.7MB

Download
memory/2536-41-0x000007FEF6CF0000-0x000007FEF6D11000-memory.dmp

Filesize
132KB

Download
memory/2536-42-0x000007FEF66A0000-0x000007FEF66B8000-memory.dmp

Filesize
96KB

Download
memory/2536-45-0x000007FEF5B30000-0x000007FEF5B41000-memory.dmp

Filesize
68KB

Download
memory/2536-47-0x000007FEF5AF0000-0x000007FEF5B01000-memory.dmp

Filesize
68KB

Download
memory/2536-46-0x000007FEF5B10000-0x000007FEF5B2B000-memory.dmp

Filesize
108KB

Download
memory/2536-44-0x000007FEF5B50000-0x000007FEF5B61000-memory.dmp

Filesize
68KB

Download
memory/2536-43-0x000007FEF5B70000-0x000007FEF5B81000-memory.dmp

Filesize
68KB

Download
memory/2536-40-0x000007FEF66C0000-0x000007FEF6701000-memory.dmp

Filesize
260KB

Download
memory/2536-48-0x000007FEF5AD0000-0x000007FEF5AE8000-memory.dmp

Filesize
96KB

Download
memory/2536-49-0x000007FEF5AA0000-0x000007FEF5AD0000-memory.dmp

Filesize
192KB

Download
memory/2536-39-0x000007FEF5B90000-0x000007FEF5D9B000-memory.dmp

Filesize
2.0MB

Download
memory/2536-51-0x000007FEF5A30000-0x000007FEF5A97000-memory.dmp

Filesize
412KB

Download
memory/2536-52-0x000007FEF59B0000-0x000007FEF5A2C000-memory.dmp

Filesize
496KB

Download
memory/2536-53-0x000007FEF5990000-0x000007FEF59A1000-memory.dmp

Filesize
68KB

Download
memory/2536-54-0x000007FEF5930000-0x000007FEF5987000-memory.dmp

Filesize
348KB

Download
memory/2536-56-0x000007FEF58D0000-0x000007FEF58F4000-memory.dmp

Filesize
144KB

Download
memory/2536-60-0x000007FEF5840000-0x000007FEF5852000-memory.dmp

Filesize
72KB

Download
memory/2536-61-0x000007FEF7450000-0x000007FEF7467000-memory.dmp

Filesize
92KB

Download
memory/2536-59-0x000007FEF5860000-0x000007FEF5871000-memory.dmp

Filesize
68KB

Download
memory/2536-58-0x000007FEF5880000-0x000007FEF58A3000-memory.dmp

Filesize
140KB

Download
memory/2536-62-0x000007FEFA630000-0x000007FEFA640000-memory.dmp

Filesize
64KB

Download
memory/2536-57-0x000007FEF58B0000-0x000007FEF58C8000-memory.dmp

Filesize
96KB

Download
memory/2536-55-0x000007FEF5900000-0x000007FEF5928000-memory.dmp

Filesize
160KB

Download
memory/2536-63-0x000007FEF2920000-0x000007FEF294F000-memory.dmp

Filesize
188KB

Download
memory/2536-64-0x000007FEF2900000-0x000007FEF2911000-memory.dmp

Filesize
68KB

Download
memory/2536-65-0x000007FEF28E0000-0x000007FEF28F6000-memory.dmp

Filesize
88KB

Download
memory/2536-67-0x000007FEF2780000-0x000007FEF27C2000-memory.dmp

Filesize
264KB

Download
memory/2536-68-0x000007FEF2710000-0x000007FEF2772000-memory.dmp

Filesize
392KB

Download
memory/2536-69-0x000007FEF26A0000-0x000007FEF270D000-memory.dmp

Filesize
436KB

Download
memory/2536-66-0x000007FEF27D0000-0x000007FEF2895000-memory.dmp

Filesize
788KB

Download
memory/2536-50-0x000007FEF4300000-0x000007FEF53B0000-memory.dmp

Filesize
16.7MB

Download