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
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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/nsProcess.dll
-
Size
4KB
-
MD5
f0438a894f3a7e01a4aae8d1b5dd0289
-
SHA1
b058e3fcfb7b550041da16bf10d8837024c38bf6
-
SHA256
30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11
-
SHA512
f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7
-
SSDEEP
48:Sz4joMeH+Iwdf8Rom/L+rOnnk5/OCnXeAdbdOAa4GPI+CJ87eILzlq7gthwIsEQW:64c/eFdfS/SSnkxNa4G+ueqPuCtGsj
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 2636 3328 WerFault.exe 86 -
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 3 IoCs
description pid Process procid_target PID 3860 wrote to memory of 3328 3860 rundll32.exe 86 PID 3860 wrote to memory of 3328 3860 rundll32.exe 86 PID 3860 wrote to memory of 3328 3860 rundll32.exe 86
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsProcess.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3860 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsProcess.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:3328 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3328 -s 6003⤵
- Program crash
PID:2636
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3328 -ip 33281⤵PID:2728