Overview
overview
10Static
static
35dd0b3b36f...90.exe
windows7-x64
105dd0b3b36f...90.exe
windows10-2004-x64
10$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3IISCrypto.exe
windows7-x64
1IISCrypto.exe
windows10-2004-x64
1Microsoft....ck.dll
windows7-x64
1Microsoft....ck.dll
windows10-2004-x64
1Analysis
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max time kernel
94s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24-12-2024 15:44
Static task
static1
Behavioral task
behavioral1
Sample
5dd0b3b36f6e543617bd5d1c7f45ec56406ab95d585cbcfea73a7a0877f8c890.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
5dd0b3b36f6e543617bd5d1c7f45ec56406ab95d585cbcfea73a7a0877f8c890.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
IISCrypto.exe
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
IISCrypto.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
Microsoft.WindowsAPICodePack.dll
Resource
win7-20241010-en
Behavioral task
behavioral8
Sample
Microsoft.WindowsAPICodePack.dll
Resource
win10v2004-20241007-en
General
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Target
$PLUGINSDIR/System.dll
-
Size
12KB
-
MD5
792b6f86e296d3904285b2bf67ccd7e0
-
SHA1
966b16f84697552747e0ddd19a4ba8ab5083af31
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SHA256
c7a20bcaa0197aedddc8e4797bbb33fdf70d980f5e83c203d148121c2106d917
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SHA512
97edc3410b88ca31abc0af0324258d2b59127047810947d0fb5e7e12957db34d206ffd70a0456add3a26b0546643ff0234124b08423c2c9ffe9bdec6eb210f2c
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SSDEEP
192:rFiQJ771Jt17C8F1A5xjGNNvgFOiLb7lrT/L93:X71Jt48F2eNvgFF/L
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 3376 2896 WerFault.exe 83 -
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 2488 wrote to memory of 2896 2488 rundll32.exe 83 PID 2488 wrote to memory of 2896 2488 rundll32.exe 83 PID 2488 wrote to memory of 2896 2488 rundll32.exe 83
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2488 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2896 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2896 -s 6123⤵
- Program crash
PID:3376
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2896 -ip 28961⤵PID:1304