170740ce72172c7d607b46f58d391bff57ac1cb7090625fa53e73b2798437466

Resubmissions

02/08/2024, 18:55

240802-xkzn9a1bkg 3

Analysis

max time kernel
127s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02/08/2024, 18:55

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General

Target

Bootsrapper (2).rar
Size

715KB
MD5

4697a477cc3a00ec9976f18e03b84a26
SHA1

43ee4ac8e9b96a1b7469b5c479836c8245b7354d
SHA256

170740ce72172c7d607b46f58d391bff57ac1cb7090625fa53e73b2798437466
SHA512

8e33a2d710812656e3b5bf012155b9f063299dbcbc17e9c8f25b9d8ff8eb9d9a807bb602e14cc076133988fecc54eab1151abbd216e7ca67bc60e3b057910083
SSDEEP

12288:PzK/DP6aCDusJuKBle0ckNGox2cyIjhGrYXOMRtRsi7l/00oTk/Luin/c3ylqe:PzjPXJJG0cXcyIjHO6750/SLjncI

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-1-5-21-2958949473-3205530200-1453100116-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1388	vlc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1388	vlc.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1388	vlc.exe
1388	vlc.exe
1388	vlc.exe
1388	vlc.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1388	vlc.exe
1388	vlc.exe
1388	vlc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1388	vlc.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2832	2372	cmd.exe	31
PID 2372 wrote to memory of 2832	2372	cmd.exe	31
PID 2372 wrote to memory of 2832	2372	cmd.exe	31
PID 2832 wrote to memory of 2684	2832	rundll32.exe	32
PID 2832 wrote to memory of 2684	2832	rundll32.exe	32
PID 2832 wrote to memory of 2684	2832	rundll32.exe	32
PID 2684 wrote to memory of 1388	2684	rundll32.exe	34
PID 2684 wrote to memory of 1388	2684	rundll32.exe	34
PID 2684 wrote to memory of 1388	2684	rundll32.exe	34

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Bootsrapper (2).rar"
1⤵
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Bootsrapper (2).rar
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2832
- - C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Bootsrapper (2).rar
    3⤵
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:2684
  - - C:\Program Files\VideoLAN\VLC\vlc.exe
      "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\Bootsrapper (2).rar"
      4⤵
      Suspicious behavior: AddClipboardFormatListener
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of FindShellTrayWindow
      Suspicious use of SendNotifyMessage
      Suspicious use of SetWindowsHookEx
      PID:1388

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/1388-24-0x000000013F790000-0x000000013F888000-memory.dmp

Filesize
992KB

Download
memory/1388-25-0x000007FEFA900000-0x000007FEFA934000-memory.dmp

Filesize
208KB

Download
memory/1388-27-0x000007FEFAA80000-0x000007FEFAA98000-memory.dmp

Filesize
96KB

Download
memory/1388-32-0x000007FEFA590000-0x000007FEFA5AD000-memory.dmp

Filesize
116KB

Download
memory/1388-30-0x000007FEFA5D0000-0x000007FEFA5E7000-memory.dmp

Filesize
92KB

Download
memory/1388-29-0x000007FEFA5F0000-0x000007FEFA601000-memory.dmp

Filesize
68KB

Download
memory/1388-28-0x000007FEFA610000-0x000007FEFA627000-memory.dmp

Filesize
92KB

Download
memory/1388-26-0x000007FEF5F80000-0x000007FEF6236000-memory.dmp

Filesize
2.7MB

Download
memory/1388-37-0x000007FEF66F0000-0x000007FEF6708000-memory.dmp

Filesize
96KB

Download
memory/1388-36-0x000007FEF7250000-0x000007FEF7271000-memory.dmp

Filesize
132KB

Download
memory/1388-33-0x000007FEF5C40000-0x000007FEF5E4B000-memory.dmp

Filesize
2.0MB

Download
memory/1388-35-0x000007FEF7280000-0x000007FEF72C1000-memory.dmp

Filesize
260KB

Download
memory/1388-39-0x000007FEF66B0000-0x000007FEF66C1000-memory.dmp

Filesize
68KB

Download
memory/1388-38-0x000007FEF66D0000-0x000007FEF66E1000-memory.dmp

Filesize
68KB

Download
memory/1388-34-0x000007FEF72D0000-0x000007FEF72E1000-memory.dmp

Filesize
68KB

Download
memory/1388-31-0x000007FEFA5B0000-0x000007FEFA5C1000-memory.dmp

Filesize
68KB

Download
memory/1388-41-0x000007FEF6690000-0x000007FEF66A1000-memory.dmp

Filesize
68KB

Download
memory/1388-45-0x000007FEF5C10000-0x000007FEF5C40000-memory.dmp

Filesize
192KB

Download
memory/1388-44-0x000007FEF6630000-0x000007FEF6648000-memory.dmp

Filesize
96KB

Download
memory/1388-43-0x000007FEF6650000-0x000007FEF6661000-memory.dmp

Filesize
68KB

Download
memory/1388-55-0x000007FEF59D0000-0x000007FEF59E2000-memory.dmp

Filesize
72KB

Download
memory/1388-54-0x000007FEF59F0000-0x000007FEF5A01000-memory.dmp

Filesize
68KB

Download
memory/1388-53-0x000007FEF5A10000-0x000007FEF5A33000-memory.dmp

Filesize
140KB

Download
memory/1388-52-0x000007FEF5A40000-0x000007FEF5A58000-memory.dmp

Filesize
96KB

Download
memory/1388-51-0x000007FEF5A60000-0x000007FEF5A84000-memory.dmp

Filesize
144KB

Download
memory/1388-50-0x000007FEF5A90000-0x000007FEF5AB8000-memory.dmp

Filesize
160KB

Download
memory/1388-49-0x000007FEF5AC0000-0x000007FEF5B17000-memory.dmp

Filesize
348KB

Download
memory/1388-48-0x000007FEF6280000-0x000007FEF6291000-memory.dmp

Filesize
68KB

Download
memory/1388-47-0x000007FEF5B20000-0x000007FEF5B9C000-memory.dmp

Filesize
496KB

Download
memory/1388-40-0x000007FEF4850000-0x000007FEF5900000-memory.dmp

Filesize
16.7MB

Download
memory/1388-46-0x000007FEF5BA0000-0x000007FEF5C07000-memory.dmp

Filesize
412KB

Download
memory/1388-42-0x000007FEF6670000-0x000007FEF668B000-memory.dmp

Filesize
108KB

Download