f1bff435d395515d6905b6e379eaefd63e38bb50c327b82c48e3d382039ae0db

Analysis

max time kernel
148s
max time network
122s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
16-08-2023 07:26

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General

Target

Book_A4_PDF.rar
Size

18.9MB
MD5

0d3281406514b68d76d91e04012d0975
SHA1

e7b0cc8cb6488979652e94e240883aec8e6f8326
SHA256

f1bff435d395515d6905b6e379eaefd63e38bb50c327b82c48e3d382039ae0db
SHA512

bbaa240c4adbe6634349a59ad8cdd4f0bff35a6a5557e5287ba59c74b06bad856046761b17b4b21690c71f61244d5a1ef0dc6e98704aa43c45adfc9a84f75b24
SSDEEP

393216:JmxaQ0TVATIelVjep4b0xu28eAiCYiJVFHUV0Y9lrwKzoKb3Bf:YD0TrelpepW0xu28ei/7CKY9B1B7Bf

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-1-5-21-1014134971-2480516131-292343513-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1156	vlc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1156	vlc.exe

Suspicious use of FindShellTrayWindow 9 IoCs

pid	Process
1156	vlc.exe
1156	vlc.exe
1156	vlc.exe
1156	vlc.exe
1156	vlc.exe
1156	vlc.exe
1156	vlc.exe
1156	vlc.exe
1156	vlc.exe

Suspicious use of SendNotifyMessage 8 IoCs

pid	Process
1156	vlc.exe
1156	vlc.exe
1156	vlc.exe
1156	vlc.exe
1156	vlc.exe
1156	vlc.exe
1156	vlc.exe
1156	vlc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1156	vlc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2568 wrote to memory of 1968	2568	cmd.exe	29
PID 2568 wrote to memory of 1968	2568	cmd.exe	29
PID 2568 wrote to memory of 1968	2568	cmd.exe	29
PID 1968 wrote to memory of 1156	1968	rundll32.exe	30
PID 1968 wrote to memory of 1156	1968	rundll32.exe	30
PID 1968 wrote to memory of 1156	1968	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Book_A4_PDF.rar
1⤵
- Suspicious use of WriteProcessMemory
PID:2568
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Book_A4_PDF.rar
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1968
- - C:\Program Files\VideoLAN\VLC\vlc.exe
    "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\Book_A4_PDF.rar"
    3⤵
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of SetWindowsHookEx
    PID:1156

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/1156-77-0x000000013F080000-0x000000013F178000-memory.dmp

Filesize
992KB

Download
memory/1156-78-0x000007FEF6E60000-0x000007FEF6E94000-memory.dmp

Filesize
208KB

Download
memory/1156-79-0x000007FEF5FA0000-0x000007FEF6254000-memory.dmp

Filesize
2.7MB

Download
memory/1156-80-0x000007FEF7C00000-0x000007FEF7C18000-memory.dmp

Filesize
96KB

Download
memory/1156-81-0x000007FEF6D10000-0x000007FEF6D27000-memory.dmp

Filesize
92KB

Download
memory/1156-83-0x000007FEF68F0000-0x000007FEF6907000-memory.dmp

Filesize
92KB

Download
memory/1156-82-0x000007FEF6910000-0x000007FEF6921000-memory.dmp

Filesize
68KB

Download
memory/1156-84-0x000007FEF6760000-0x000007FEF6771000-memory.dmp

Filesize
68KB

Download
memory/1156-85-0x000007FEF65F0000-0x000007FEF660D000-memory.dmp

Filesize
116KB

Download
memory/1156-86-0x000007FEF65D0000-0x000007FEF65E1000-memory.dmp

Filesize
68KB

Download
memory/1156-87-0x000007FEF5320000-0x000007FEF5520000-memory.dmp

Filesize
2.0MB

Download
memory/1156-88-0x000007FEF52E0000-0x000007FEF531F000-memory.dmp

Filesize
252KB

Download
memory/1156-89-0x000007FEF4230000-0x000007FEF52DB000-memory.dmp

Filesize
16.7MB

Download
memory/1156-90-0x000007FEF4200000-0x000007FEF4221000-memory.dmp

Filesize
132KB

Download
memory/1156-91-0x000007FEF41E0000-0x000007FEF41F8000-memory.dmp

Filesize
96KB

Download
memory/1156-92-0x000007FEF41C0000-0x000007FEF41D1000-memory.dmp

Filesize
68KB

Download
memory/1156-93-0x000007FEF41A0000-0x000007FEF41B1000-memory.dmp

Filesize
68KB

Download
memory/1156-94-0x000007FEF4180000-0x000007FEF4191000-memory.dmp

Filesize
68KB

Download
memory/1156-96-0x000007FEF4140000-0x000007FEF4151000-memory.dmp

Filesize
68KB

Download
memory/1156-95-0x000007FEF4160000-0x000007FEF417B000-memory.dmp

Filesize
108KB

Download
memory/1156-97-0x000007FEF4120000-0x000007FEF4138000-memory.dmp

Filesize
96KB

Download
memory/1156-98-0x000007FEF40F0000-0x000007FEF4120000-memory.dmp

Filesize
192KB

Download
memory/1156-99-0x000007FEF4080000-0x000007FEF40E7000-memory.dmp

Filesize
412KB

Download
memory/1156-100-0x000007FEF4010000-0x000007FEF407F000-memory.dmp

Filesize
444KB

Download
memory/1156-101-0x000007FEF3FF0000-0x000007FEF4001000-memory.dmp

Filesize
68KB

Download
memory/1156-102-0x000007FEF3F90000-0x000007FEF3FE6000-memory.dmp

Filesize
344KB

Download
memory/1156-103-0x000007FEF5F70000-0x000007FEF5F98000-memory.dmp

Filesize
160KB

Download
memory/1156-104-0x000007FEF5F10000-0x000007FEF5F34000-memory.dmp

Filesize
144KB

Download
memory/1156-105-0x000007FEF5EF0000-0x000007FEF5F07000-memory.dmp

Filesize
92KB

Download
memory/1156-106-0x000007FEF5EC0000-0x000007FEF5EE3000-memory.dmp

Filesize
140KB

Download
memory/1156-107-0x000007FEF5EA0000-0x000007FEF5EB1000-memory.dmp

Filesize
68KB

Download
memory/1156-108-0x000007FEF5E80000-0x000007FEF5E92000-memory.dmp

Filesize
72KB

Download
memory/1156-109-0x000007FEF5E50000-0x000007FEF5E71000-memory.dmp

Filesize
132KB

Download
memory/1156-110-0x000007FEF5E30000-0x000007FEF5E43000-memory.dmp

Filesize
76KB

Download
memory/1156-111-0x000007FEF5E10000-0x000007FEF5E22000-memory.dmp

Filesize
72KB

Download
memory/1156-112-0x000007FEF5CD0000-0x000007FEF5E0B000-memory.dmp

Filesize
1.2MB

Download
memory/1156-113-0x000007FEF5CA0000-0x000007FEF5CCC000-memory.dmp

Filesize
176KB

Download
memory/1156-114-0x000007FEF3DD0000-0x000007FEF3F82000-memory.dmp

Filesize
1.7MB

Download
memory/1156-127-0x000007FEF4230000-0x000007FEF52DB000-memory.dmp

Filesize
16.7MB

Download