Overview
overview
7Static
static
7virtualdub...up.exe
windows7-x64
1virtualdub...up.exe
windows10-2004-x64
1virtualdub...er.dll
windows7-x64
7virtualdub...er.dll
windows10-2004-x64
7virtualdub...rt.dll
windows7-x64
3virtualdub...rt.dll
windows10-2004-x64
3virtualdub...er.dll
windows7-x64
1virtualdub...er.dll
windows10-2004-x64
1virtualdub...er.dll
windows7-x64
7virtualdub...er.dll
windows10-2004-x64
7audio-filters.html
windows7-x64
1audio-filters.html
windows10-2004-x64
1capwarn.html
windows7-x64
1capwarn.html
windows10-2004-x64
1crash.html
windows7-x64
1crash.html
windows10-2004-x64
1d-audiocom...n.html
windows7-x64
1d-audiocom...n.html
windows10-2004-x64
1d-audiocon...n.html
windows7-x64
1d-audiocon...n.html
windows10-2004-x64
1d-audiofilters.html
windows7-x64
1d-audiofilters.html
windows10-2004-x64
1d-audioint...g.html
windows7-x64
1d-audioint...g.html
windows10-2004-x64
1d-audiovolume.html
windows7-x64
1d-audiovolume.html
windows10-2004-x64
1d-capturep...s.html
windows7-x64
1d-capturep...s.html
windows10-2004-x64
1d-captures...s.html
windows7-x64
1d-captures...s.html
windows10-2004-x64
1d-capturevumeter.html
windows7-x64
1d-capturevumeter.html
windows10-2004-x64
1Analysis
-
max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
02/06/2024, 01:05
Behavioral task
behavioral1
Sample
virtualdubmod/AuxSetup.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
virtualdubmod/AuxSetup.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
virtualdubmod/AviSynthLexer.dll
Resource
win7-20240508-en
Behavioral task
behavioral4
Sample
virtualdubmod/AviSynthLexer.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral5
Sample
virtualdubmod/PlugIns/Smart.dll
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
virtualdubmod/PlugIns/Smart.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
virtualdubmod/PlugIns/Subtitler.dll
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
virtualdubmod/PlugIns/Subtitler.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
virtualdubmod/SciLexer.dll
Resource
win7-20231129-en
Behavioral task
behavioral10
Sample
virtualdubmod/SciLexer.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral11
Sample
audio-filters.html
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
audio-filters.html
Resource
win10v2004-20240508-en
Behavioral task
behavioral13
Sample
capwarn.html
Resource
win7-20240419-en
Behavioral task
behavioral14
Sample
capwarn.html
Resource
win10v2004-20240508-en
Behavioral task
behavioral15
Sample
crash.html
Resource
win7-20240221-en
Behavioral task
behavioral16
Sample
crash.html
Resource
win10v2004-20240508-en
Behavioral task
behavioral17
Sample
d-audiocompression.html
Resource
win7-20240221-en
Behavioral task
behavioral18
Sample
d-audiocompression.html
Resource
win10v2004-20240426-en
Behavioral task
behavioral19
Sample
d-audioconversion.html
Resource
win7-20240215-en
Behavioral task
behavioral20
Sample
d-audioconversion.html
Resource
win10v2004-20240508-en
Behavioral task
behavioral21
Sample
d-audiofilters.html
Resource
win7-20240221-en
Behavioral task
behavioral22
Sample
d-audiofilters.html
Resource
win10v2004-20240426-en
Behavioral task
behavioral23
Sample
d-audiointerleaving.html
Resource
win7-20231129-en
Behavioral task
behavioral24
Sample
d-audiointerleaving.html
Resource
win10v2004-20240426-en
Behavioral task
behavioral25
Sample
d-audiovolume.html
Resource
win7-20240221-en
Behavioral task
behavioral26
Sample
d-audiovolume.html
Resource
win10v2004-20240226-en
Behavioral task
behavioral27
Sample
d-capturepreferences.html
Resource
win7-20240419-en
Behavioral task
behavioral28
Sample
d-capturepreferences.html
Resource
win10v2004-20240508-en
Behavioral task
behavioral29
Sample
d-capturesettings.html
Resource
win7-20240508-en
Behavioral task
behavioral30
Sample
d-capturesettings.html
Resource
win10v2004-20240508-en
Behavioral task
behavioral31
Sample
d-capturevumeter.html
Resource
win7-20240508-en
Behavioral task
behavioral32
Sample
d-capturevumeter.html
Resource
win10v2004-20240426-en
General
-
Target
virtualdubmod/AviSynthLexer.dll
-
Size
55KB
-
MD5
bbcbc623b0643c9762486e8ce5c8b09d
-
SHA1
f12bd86bede08a25ffd4c51a67f0a76ab302a7b7
-
SHA256
d442bd08dfcf224713ab863412ee11f3bc11c501cee7e785d44ab9f1f0d39ac3
-
SHA512
9800a458046a36cbb766512e99d7b38cf1ca6a4194b3bc9c28e7250993989b99a044b487d1ea84aed95dfd5e9f371b311d3b5c8bde99513f369e0751276515c3
-
SSDEEP
1536:eQYwA5z90RcgI2vEnbnzNZW88pAcnkkHQ+P5bAmSZlE:eQYNkcDqEFCpzkFGS
Malware Config
Signatures
-
resource yara_rule behavioral3/memory/572-3-0x00000000000C0000-0x00000000000E6000-memory.dmp upx -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1232 wrote to memory of 572 1232 rundll32.exe 28 PID 1232 wrote to memory of 572 1232 rundll32.exe 28 PID 1232 wrote to memory of 572 1232 rundll32.exe 28 PID 1232 wrote to memory of 572 1232 rundll32.exe 28 PID 1232 wrote to memory of 572 1232 rundll32.exe 28 PID 1232 wrote to memory of 572 1232 rundll32.exe 28 PID 1232 wrote to memory of 572 1232 rundll32.exe 28
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\virtualdubmod\AviSynthLexer.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1232 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\virtualdubmod\AviSynthLexer.dll,#12⤵PID:572
-