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Overview
overview
7Static
static
32d823521ce...a5.exe
windows7-x64
72d823521ce...a5.exe
windows10-2004-x64
7$PLUGINSDI...og.dll
windows7-x64
3$PLUGINSDI...og.dll
windows10-2004-x64
3$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...fo.dll
windows7-x64
3$PLUGINSDI...fo.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3$PLUGINSDI...ON.dll
windows7-x64
3$PLUGINSDI...ON.dll
windows10-2004-x64
3$PROGRAMFI...ll.exe
windows7-x64
7$PROGRAMFI...ll.exe
windows10-2004-x64
7$PLUGINSDI...fo.dll
windows7-x64
3$PLUGINSDI...fo.dll
windows10-2004-x64
3$PLUGINSDI...ss.dll
windows7-x64
3$PLUGINSDI...ss.dll
windows10-2004-x64
3$PROGRAMFI...ET.exe
windows7-x64
1$PROGRAMFI...ET.exe
windows10-2004-x64
3$PROGRAMFI...ET.exe
windows7-x64
1$PROGRAMFI...ET.exe
windows10-2004-x64
3$PROGRAMFI...35.exe
windows7-x64
1$PROGRAMFI...35.exe
windows10-2004-x64
1$PROGRAMFI...is.dll
windows7-x64
1$PROGRAMFI...is.dll
windows10-2004-x64
1$PROGRAMFI...og.exe
windows7-x64
1$PROGRAMFI...og.exe
windows10-2004-x64
3$PROGRAMFI...og.exe
windows7-x64
3$PROGRAMFI...og.exe
windows10-2004-x64
3Analysis
-
max time kernel
120s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
13/08/2024, 22:08
Static task
static1
Behavioral task
behavioral1
Sample
2d823521cedf5a958f682bfe30dc6b066f813f6f53d5311d814fce946f0f58a5.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2d823521cedf5a958f682bfe30dc6b066f813f6f53d5311d814fce946f0f58a5.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/EventLog.dll
Resource
win7-20240705-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/EventLog.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20240704-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240704-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win7-20240704-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240729-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/nsJSON.dll
Resource
win7-20240704-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/nsJSON.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral15
Sample
$PROGRAMFILES/OptBP/DotNET/$PROGRAMFILES/OptBP/uninstall.exe
Resource
win7-20240705-en
Behavioral task
behavioral16
Sample
$PROGRAMFILES/OptBP/DotNET/$PROGRAMFILES/OptBP/uninstall.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral17
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win7-20240704-en
Behavioral task
behavioral18
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win7-20240704-en
Behavioral task
behavioral20
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral21
Sample
$PROGRAMFILES/OptBP/DotNET/checkDotNET.exe
Resource
win7-20240705-en
Behavioral task
behavioral22
Sample
$PROGRAMFILES/OptBP/DotNET/checkDotNET.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral23
Sample
$PROGRAMFILES/OptBP/DotNET/checkDotNET.exe
Resource
win7-20240708-en
Behavioral task
behavioral24
Sample
$PROGRAMFILES/OptBP/DotNET/checkDotNET.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral25
Sample
$PROGRAMFILES/OptBP/DotNET/checkDotNET35.exe
Resource
win7-20240705-en
Behavioral task
behavioral26
Sample
$PROGRAMFILES/OptBP/DotNET/checkDotNET35.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral27
Sample
$PROGRAMFILES/OptBP/Emis.dll
Resource
win7-20240708-en
Behavioral task
behavioral28
Sample
$PROGRAMFILES/OptBP/Emis.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral29
Sample
$PROGRAMFILES/OptBP/EventLog/EventLog.exe
Resource
win7-20240704-en
Behavioral task
behavioral30
Sample
$PROGRAMFILES/OptBP/EventLog/EventLog.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral31
Sample
$PROGRAMFILES/OptBP/EventLog/EventLog.exe
Resource
win7-20240705-en
Behavioral task
behavioral32
Sample
$PROGRAMFILES/OptBP/EventLog/EventLog.exe
Resource
win10v2004-20240802-en
General
-
Target
$PLUGINSDIR/System.dll
-
Size
12KB
-
MD5
cff85c549d536f651d4fb8387f1976f2
-
SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
-
SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
-
SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88
-
SSDEEP
192:Zjvco0qWTlt70m5Aj/lQ0sEWD/wtYbBHFNaDybC7y+XBz0QPi:FHQlt70mij/lQRv/9VMjzr
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 2556 2008 WerFault.exe 30 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2016 wrote to memory of 2008 2016 rundll32.exe 30 PID 2016 wrote to memory of 2008 2016 rundll32.exe 30 PID 2016 wrote to memory of 2008 2016 rundll32.exe 30 PID 2016 wrote to memory of 2008 2016 rundll32.exe 30 PID 2016 wrote to memory of 2008 2016 rundll32.exe 30 PID 2016 wrote to memory of 2008 2016 rundll32.exe 30 PID 2016 wrote to memory of 2008 2016 rundll32.exe 30 PID 2008 wrote to memory of 2556 2008 rundll32.exe 31 PID 2008 wrote to memory of 2556 2008 rundll32.exe 31 PID 2008 wrote to memory of 2556 2008 rundll32.exe 31 PID 2008 wrote to memory of 2556 2008 rundll32.exe 31
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2016 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2008 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2008 -s 2203⤵
- Program crash
PID:2556
-
-