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
117s -
max time network
119s -
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/nsJSON.dll
-
Size
23KB
-
MD5
f4d89d9a2a3e2f164aea3e93864905c9
-
SHA1
4d4e05ee5e4e77a0631a3dd064c171ba2e227d4a
-
SHA256
64b3efdf3de54e338d4db96b549a7bdb7237bb88a82a0a63aef570327a78a6fb
-
SHA512
dbda3fe7ca22c23d2d0f2a5d9d415a96112e2965081582c7a42c139a55c5d861a27f0bd919504de4f82c59cf7d1b97f95ed5a55e87d574635afdb7eb2d8cadf2
-
SSDEEP
384:n7U5CiIZ1ZC2RvhrTfldNuwQ5pk+BISivMyyOgqCoRUj+OvHxOuofnykhVQJrTU:YoZ1ZnhrTfldqk7Yyy94RxOcVQJrT
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 2100 1800 WerFault.exe 31 -
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 2484 wrote to memory of 1800 2484 rundll32.exe 31 PID 2484 wrote to memory of 1800 2484 rundll32.exe 31 PID 2484 wrote to memory of 1800 2484 rundll32.exe 31 PID 2484 wrote to memory of 1800 2484 rundll32.exe 31 PID 2484 wrote to memory of 1800 2484 rundll32.exe 31 PID 2484 wrote to memory of 1800 2484 rundll32.exe 31 PID 2484 wrote to memory of 1800 2484 rundll32.exe 31 PID 1800 wrote to memory of 2100 1800 rundll32.exe 32 PID 1800 wrote to memory of 2100 1800 rundll32.exe 32 PID 1800 wrote to memory of 2100 1800 rundll32.exe 32 PID 1800 wrote to memory of 2100 1800 rundll32.exe 32
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsJSON.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2484 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsJSON.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1800 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1800 -s 2283⤵
- Program crash
PID:2100
-
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