Overview
overview
8Static
static
3Winamp592_...us.exe
windows11-21h2-x64
8$PLUGINSDI...er.dll
windows11-21h2-x64
3$PLUGINSDI...LL.dll
windows11-21h2-x64
3$PLUGINSDI...LL.dll
windows11-21h2-x64
3$PLUGINSDI...ch.dll
windows11-21h2-x64
3$PLUGINSDI...em.dll
windows11-21h2-x64
3$PLUGINSDI...os.dll
windows11-21h2-x64
3$PLUGINSDI...ip.dll
windows11-21h2-x64
3$PLUGINSDI...gs.dll
windows11-21h2-x64
3$PLUGINSDI...ec.dll
windows11-21h2-x64
3$PLUGINSDI...mp.dll
windows11-21h2-x64
3$PLUGINSDI...dl.dll
windows11-21h2-x64
3Components/ssdp.dll
windows11-21h2-x64
1Elevator.exe
windows11-21h2-x64
1Microsoft....40.dll
windows11-21h2-x64
3Microsoft....40.dll
windows11-21h2-x64
3Microsoft...._1.dll
windows11-21h2-x64
1Microsoft...._2.dll
windows11-21h2-x64
1Microsoft....it.dll
windows11-21h2-x64
1Microsoft....ds.dll
windows11-21h2-x64
3Microsoft....40.dll
windows11-21h2-x64
3Microsoft....40.dll
windows11-21h2-x64
3Microsoft....90.dll
windows11-21h2-x64
1Microsoft....90.dll
windows11-21h2-x64
1Plugins/AV...er.dll
windows11-21h2-x64
3Plugins/AV...ap.dll
windows11-21h2-x64
3Plugins/AVS/texer.dll
windows11-21h2-x64
3Plugins/AV...r2.dll
windows11-21h2-x64
3Plugins/Fr...pe.dll
windows11-21h2-x64
1Plugins/Mi...op.dll
windows11-21h2-x64
1Plugins/Mi...p.html
windows11-21h2-x64
1Plugins/Mi...g.html
windows11-21h2-x64
1Analysis
- max time kernel
145s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system - submitted
19/05/2024, 15:21
Static task
static1
Behavioral task
behavioral1
Sample
Winamp592_10042_final_full_en-us.exe
Resource
win11-20240426-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/Dialer.dll
Resource
win11-20240508-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/KillProcDLL.dll
Resource
win11-20240426-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win11-20240426-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/ShellDispatch.dll
Resource
win11-20240508-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win11-20240419-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/execDos.dll
Resource
win11-20240426-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/extstrip.dll
Resource
win11-20240426-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11-20240426-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20240508-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsis_winamp.dll
Resource
win11-20240426-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsisdl.dll
Resource
win11-20240426-en
Behavioral task
behavioral13
Sample
Components/ssdp.dll
Resource
win11-20240508-en
Behavioral task
behavioral14
Sample
Elevator.exe
Resource
win11-20240508-en
Behavioral task
behavioral15
Sample
Microsoft.VC142.CRT/concrt140.dll
Resource
win11-20240426-en
Behavioral task
behavioral16
Sample
Microsoft.VC142.CRT/msvcp140.dll
Resource
win11-20240419-en
Behavioral task
behavioral17
Sample
Microsoft.VC142.CRT/msvcp140_1.dll
Resource
win11-20240508-en
Behavioral task
behavioral18
Sample
Microsoft.VC142.CRT/msvcp140_2.dll
Resource
win11-20240508-en
Behavioral task
behavioral19
Sample
Microsoft.VC142.CRT/msvcp140_atomic_wait.dll
Resource
win11-20240426-en
Behavioral task
behavioral20
Sample
Microsoft.VC142.CRT/msvcp140_codecvt_ids.dll
Resource
win11-20240426-en
Behavioral task
behavioral21
Sample
Microsoft.VC142.CRT/vccorlib140.dll
Resource
win11-20240426-en
Behavioral task
behavioral22
Sample
Microsoft.VC142.CRT/vcruntime140.dll
Resource
win11-20240508-en
Behavioral task
behavioral23
Sample
Microsoft.VC90.CRT/msvcp90.dll
Resource
win11-20240426-en
Behavioral task
behavioral24
Sample
Microsoft.VC90.CRT/msvcr90.dll
Resource
win11-20240508-en
Behavioral task
behavioral25
Sample
Plugins/AVS/AddBorder.dll
Resource
win11-20240426-en
Behavioral task
behavioral26
Sample
Plugins/AVS/colormap.dll
Resource
win11-20240426-en
Behavioral task
behavioral27
Sample
Plugins/AVS/texer.dll
Resource
win11-20240426-en
Behavioral task
behavioral28
Sample
Plugins/AVS/texer2.dll
Resource
win11-20240419-en
Behavioral task
behavioral29
Sample
Plugins/Freeform/wacs/freetype/freetype.dll
Resource
win11-20240508-en
Behavioral task
behavioral30
Sample
Plugins/Milkdrop2/data/vms_desktop.dll
Resource
win11-20240426-en
Behavioral task
behavioral31
Sample
Plugins/Milkdrop2/docs/milkdrop.html
Resource
win11-20240508-en
Behavioral task
behavioral32
Sample
Plugins/Milkdrop2/docs/milkdrop_preset_authoring.html
Resource
win11-20240508-en
General
- Target $PLUGINSDIR/extstrip.dll
- Size 2KB
- Sample240519-srcqvach2z
- SHA256 89e8931f2adba8aa67ce199a510965fd51ce430acf067478910c5b622827e08d
- MD5 720cc2e5a1f83a7db72e009353f21ac0
- SHA1 4b6ec18d4971738cbd9ba42211f51d5295f86002
- SHA512 a17fec91066e1ef7f1ef39b61cf077481dda12204690f5006010c9bfb1899721d10c22c3a95a7f6276d2689380eea93e32a45b24dd153ee9006c79ddb70ced80
- MD5 SHA1 SHA512
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 1152 4676 WerFault.exe 77 - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2120 wrote to memory of 4676 2120 rundll32.exe 77 PID 2120 wrote to memory of 4676 2120 rundll32.exe 77 PID 2120 wrote to memory of 4676 2120 rundll32.exe 77
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\extstrip.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2120 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\extstrip.dll,#12⤵PID:4676
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4676 -s 4523⤵
- Program crash
PID:1152
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4676 -ip 46761⤵PID:396