b6b28dba0dce19d3dc8fac2261298c22ec02cd89c38303aa49a56f191cba5350

Analysis

max time kernel
147s
max time network
142s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
01/11/2023, 14:21

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General

Target

nezur.rar
Size

7.3MB
MD5

57f97951f8836eec896f2cff7f855880
SHA1

bf8bbf89a27ab8c5eb5007788c50a6c4b26e7705
SHA256

b6b28dba0dce19d3dc8fac2261298c22ec02cd89c38303aa49a56f191cba5350
SHA512

02fcddf4c57c841c9f215dd3a3d86840dc5af39a430d46d2d4274d2fa1a2a8529d1c386f4ae926feca37cc845e7e696da0dd4345b6fc8a57447ab165954cd0bf
SSDEEP

196608:X+ipT02aG19pfAdjbG72l1KoCJsuF3bR/Lpy3rzRW+A:X+qpfAdjS72TKoK3lzOhk

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2736	vlc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2736	vlc.exe

Suspicious use of FindShellTrayWindow 8 IoCs

pid	Process
2736	vlc.exe
2736	vlc.exe
2736	vlc.exe
2736	vlc.exe
2736	vlc.exe
2736	vlc.exe
2736	vlc.exe
2736	vlc.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
2736	vlc.exe
2736	vlc.exe
2736	vlc.exe
2736	vlc.exe
2736	vlc.exe
2736	vlc.exe
2736	vlc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2736	vlc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 2808	2284	cmd.exe	27
PID 2284 wrote to memory of 2808	2284	cmd.exe	27
PID 2284 wrote to memory of 2808	2284	cmd.exe	27
PID 2808 wrote to memory of 2736	2808	rundll32.exe	30
PID 2808 wrote to memory of 2736	2808	rundll32.exe	30
PID 2808 wrote to memory of 2736	2808	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\nezur.rar
1⤵
- Suspicious use of WriteProcessMemory
PID:2284
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\nezur.rar
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2808
- - C:\Program Files\VideoLAN\VLC\vlc.exe
    "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\nezur.rar"
    3⤵
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of SetWindowsHookEx
    PID:2736

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/2736-29-0x000000013F970000-0x000000013FA68000-memory.dmp

Filesize
992KB

Download
memory/2736-30-0x000007FEF7480000-0x000007FEF74B4000-memory.dmp

Filesize
208KB

Download
memory/2736-31-0x000007FEF5AE0000-0x000007FEF5D94000-memory.dmp

Filesize
2.7MB

Download
memory/2736-33-0x000007FEF67B0000-0x000007FEF67C7000-memory.dmp

Filesize
92KB

Download
memory/2736-32-0x000007FEFB1C0000-0x000007FEFB1D8000-memory.dmp

Filesize
96KB

Download
memory/2736-36-0x000007FEF6290000-0x000007FEF62A1000-memory.dmp

Filesize
68KB

Download
memory/2736-38-0x000007FEF61E0000-0x000007FEF61F1000-memory.dmp

Filesize
68KB

Download
memory/2736-37-0x000007FEF6200000-0x000007FEF621D000-memory.dmp

Filesize
116KB

Download
memory/2736-35-0x000007FEF6770000-0x000007FEF6787000-memory.dmp

Filesize
92KB

Download
memory/2736-34-0x000007FEF6790000-0x000007FEF67A1000-memory.dmp

Filesize
68KB

Download
memory/2736-39-0x000007FEF58E0000-0x000007FEF5AE0000-memory.dmp

Filesize
2.0MB

Download
memory/2736-48-0x000007FEF47D0000-0x000007FEF47E1000-memory.dmp

Filesize
68KB

Download
memory/2736-50-0x000007FEF4780000-0x000007FEF47B0000-memory.dmp

Filesize
192KB

Download
memory/2736-53-0x000007FEF4680000-0x000007FEF4691000-memory.dmp

Filesize
68KB

Download
memory/2736-54-0x000007FEF4620000-0x000007FEF4676000-memory.dmp

Filesize
344KB

Download
memory/2736-52-0x000007FEF46A0000-0x000007FEF470F000-memory.dmp

Filesize
444KB

Download
memory/2736-57-0x000007FEFAA70000-0x000007FEFAA87000-memory.dmp

Filesize
92KB

Download
memory/2736-56-0x000007FEFAA90000-0x000007FEFAAB4000-memory.dmp

Filesize
144KB

Download
memory/2736-58-0x000007FEFAA40000-0x000007FEFAA63000-memory.dmp

Filesize
140KB

Download
memory/2736-55-0x000007FEFAAC0000-0x000007FEFAAE8000-memory.dmp

Filesize
160KB

Download
memory/2736-51-0x000007FEF4710000-0x000007FEF4777000-memory.dmp

Filesize
412KB

Download
memory/2736-63-0x000007FEF4570000-0x000007FEF4582000-memory.dmp

Filesize
72KB

Download
memory/2736-64-0x000007FEF4430000-0x000007FEF456B000-memory.dmp

Filesize
1.2MB

Download
memory/2736-65-0x000007FEF4290000-0x000007FEF42BC000-memory.dmp

Filesize
176KB

Download
memory/2736-66-0x000007FEF40D0000-0x000007FEF4282000-memory.dmp

Filesize
1.7MB

Download
memory/2736-67-0x000007FEF3AC0000-0x000007FEF3B1C000-memory.dmp

Filesize
368KB

Download
memory/2736-70-0x000007FEF3260000-0x000007FEF3272000-memory.dmp

Filesize
72KB

Download
memory/2736-69-0x000007FEF32A0000-0x000007FEF3337000-memory.dmp

Filesize
604KB

Download
memory/2736-68-0x000007FEF3380000-0x000007FEF3391000-memory.dmp

Filesize
68KB

Download
memory/2736-62-0x000007FEF4590000-0x000007FEF45A3000-memory.dmp

Filesize
76KB

Download
memory/2736-61-0x000007FEF45B0000-0x000007FEF45D1000-memory.dmp

Filesize
132KB

Download
memory/2736-71-0x000007FEF3020000-0x000007FEF3251000-memory.dmp

Filesize
2.2MB

Download
memory/2736-60-0x000007FEF45E0000-0x000007FEF45F2000-memory.dmp

Filesize
72KB

Download
memory/2736-72-0x000007FEF2F00000-0x000007FEF3012000-memory.dmp

Filesize
1.1MB

Download
memory/2736-75-0x000007FEF2E30000-0x000007FEF2E41000-memory.dmp

Filesize
68KB

Download
memory/2736-80-0x000007FEF2CC0000-0x000007FEF2D5F000-memory.dmp

Filesize
636KB

Download
memory/2736-79-0x000007FEF2D60000-0x000007FEF2D73000-memory.dmp

Filesize
76KB

Download
memory/2736-82-0x000007FEF2B90000-0x000007FEF2C92000-memory.dmp

Filesize
1.0MB

Download
memory/2736-87-0x000007FEF2AF0000-0x000007FEF2B08000-memory.dmp

Filesize
96KB

Download
memory/2736-92-0x000007FEF2A40000-0x000007FEF2A51000-memory.dmp

Filesize
68KB

Download
memory/2736-91-0x000007FEF2A60000-0x000007FEF2A71000-memory.dmp

Filesize
68KB

Download
memory/2736-90-0x000007FEF2A80000-0x000007FEF2A92000-memory.dmp

Filesize
72KB

Download
memory/2736-89-0x000007FEF2AA0000-0x000007FEF2AC9000-memory.dmp

Filesize
164KB

Download
memory/2736-88-0x000007FEF2AD0000-0x000007FEF2AE6000-memory.dmp

Filesize
88KB

Download
memory/2736-86-0x000007FEF2B10000-0x000007FEF2B22000-memory.dmp

Filesize
72KB

Download
memory/2736-85-0x000007FEF2B30000-0x000007FEF2B41000-memory.dmp

Filesize
68KB

Download
memory/2736-84-0x000007FEF2B50000-0x000007FEF2B61000-memory.dmp

Filesize
68KB

Download
memory/2736-83-0x000007FEF2B70000-0x000007FEF2B81000-memory.dmp

Filesize
68KB

Download
memory/2736-81-0x000007FEF2CA0000-0x000007FEF2CB1000-memory.dmp

Filesize
68KB

Download
memory/2736-78-0x000007FEF2D80000-0x000007FEF2D92000-memory.dmp

Filesize
72KB

Download
memory/2736-77-0x000007FEF2DA0000-0x000007FEF2DB1000-memory.dmp

Filesize
68KB

Download
memory/2736-76-0x000007FEF2DC0000-0x000007FEF2E21000-memory.dmp

Filesize
388KB

Download
memory/2736-74-0x000007FEF2E50000-0x000007FEF2E75000-memory.dmp

Filesize
148KB

Download
memory/2736-73-0x000007FEF2E80000-0x000007FEF2EB5000-memory.dmp

Filesize
212KB

Download
memory/2736-59-0x000007FEFAA20000-0x000007FEFAA31000-memory.dmp

Filesize
68KB

Download
memory/2736-49-0x000007FEF47B0000-0x000007FEF47C8000-memory.dmp

Filesize
96KB

Download
memory/2736-47-0x000007FEF47F0000-0x000007FEF480B000-memory.dmp

Filesize
108KB

Download
memory/2736-46-0x000007FEF4810000-0x000007FEF4821000-memory.dmp

Filesize
68KB

Download
memory/2736-45-0x000007FEF6110000-0x000007FEF6121000-memory.dmp

Filesize
68KB

Download
memory/2736-44-0x000007FEF6130000-0x000007FEF6141000-memory.dmp

Filesize
68KB

Download
memory/2736-43-0x000007FEF6150000-0x000007FEF6168000-memory.dmp

Filesize
96KB

Download
memory/2736-42-0x000007FEF6170000-0x000007FEF6191000-memory.dmp

Filesize
132KB

Download
memory/2736-41-0x000007FEF61A0000-0x000007FEF61DF000-memory.dmp

Filesize
252KB

Download
memory/2736-40-0x000007FEF4830000-0x000007FEF58DB000-memory.dmp

Filesize
16.7MB

Download