Overview
overview
3Static
static
3c8783dcecb...8N.exe
windows7-x64
3c8783dcecb...8N.exe
windows10-2004-x64
3$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDIR/nsLib.dll
windows7-x64
3$PLUGINSDIR/nsLib.dll
windows10-2004-x64
3vxscreenxup.exe
windows7-x64
vxscreenxup.exe
windows10-2004-x64
Analysis
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max time kernel
90s -
max time network
93s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19/09/2024, 13:36
Static task
static1
Behavioral task
behavioral1
Sample
c8783dcecba0683ae2fc901ffb05510fe2a23acfe768f06a809aa18a65083478N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c8783dcecba0683ae2fc901ffb05510fe2a23acfe768f06a809aa18a65083478N.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsLib.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsLib.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
vxscreenxup.exe
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
vxscreenxup.exe
Resource
win10v2004-20240802-en
General
-
Target
$PLUGINSDIR/nsLib.dll
-
Size
96KB
-
MD5
1ccfaf616ab023468531ee702a84054e
-
SHA1
1a1cee5f36713541f837d67d50c21e2805c8de9f
-
SHA256
f11da7abd72a00065e4950aeb47bee6687fb55173253780ff8e83305a3aee289
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SHA512
f704685a07db8d10b881b725476036a5d624786ad10c58591c9fb9e2abdd61c2b6b3a55c78f3485318122cab160a120d9be8a4b1a116a5ff47ee76d7dab3aebb
-
SSDEEP
1536:6QzM8yN2YAbzbS95octLxyAxLk7ZWvw0ZlHGNUB/T5DDA7bVPDw:ZMRTAbzbaCctLxyAxLk7ZWvPl0c5DEV8
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 2300 3468 WerFault.exe 85 -
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 2108 wrote to memory of 3468 2108 rundll32.exe 85 PID 2108 wrote to memory of 3468 2108 rundll32.exe 85 PID 2108 wrote to memory of 3468 2108 rundll32.exe 85
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsLib.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2108 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsLib.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:3468 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3468 -s 6443⤵
- Program crash
PID:2300
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3468 -ip 34681⤵PID:2128