Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
17-04-2024 14:55
Static task
static1
Behavioral task
behavioral1
Sample
59cfbef2d28f5f8df3c98d8525acf710bbad31e3bed87ccb6d8c3d9f5a9d8fe4.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
59cfbef2d28f5f8df3c98d8525acf710bbad31e3bed87ccb6d8c3d9f5a9d8fe4.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240226-en
General
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Target
$PLUGINSDIR/System.dll
-
Size
12KB
-
MD5
0d7ad4f45dc6f5aa87f606d0331c6901
-
SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457
-
SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
-
SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9
-
SSDEEP
192:1enY0LWelt70elWjvfstJcVtwtYbjnIOg5AaDnbC7ypXhtIj:18PJlt70esj0Mt9vn6ay6
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2840 2832 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 2684 wrote to memory of 2832 2684 rundll32.exe rundll32.exe PID 2684 wrote to memory of 2832 2684 rundll32.exe rundll32.exe PID 2684 wrote to memory of 2832 2684 rundll32.exe rundll32.exe PID 2684 wrote to memory of 2832 2684 rundll32.exe rundll32.exe PID 2684 wrote to memory of 2832 2684 rundll32.exe rundll32.exe PID 2684 wrote to memory of 2832 2684 rundll32.exe rundll32.exe PID 2684 wrote to memory of 2832 2684 rundll32.exe rundll32.exe PID 2832 wrote to memory of 2840 2832 rundll32.exe WerFault.exe PID 2832 wrote to memory of 2840 2832 rundll32.exe WerFault.exe PID 2832 wrote to memory of 2840 2832 rundll32.exe WerFault.exe PID 2832 wrote to memory of 2840 2832 rundll32.exe WerFault.exe
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
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2832 -s 2203⤵
- Program crash