Analysis
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max time kernel
120s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
23-05-2024 15:00
Static task
static1
Behavioral task
behavioral1
Sample
cd3c4e2367d2980a9809fca28a819e6d67bbb8f03a11bd3c5de0f3ce269d7c56.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
cd3c4e2367d2980a9809fca28a819e6d67bbb8f03a11bd3c5de0f3ce269d7c56.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240426-en
General
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Target
$PLUGINSDIR/System.dll
-
Size
12KB
-
MD5
cff85c549d536f651d4fb8387f1976f2
-
SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
-
SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
-
SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88
-
SSDEEP
192:Zjvco0qWTlt70m5Aj/lQ0sEWD/wtYbBHFNaDybC7y+XBz0QPi:FHQlt70mij/lQRv/9VMjzr
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2216 1740 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1300 wrote to memory of 1740 1300 rundll32.exe rundll32.exe PID 1300 wrote to memory of 1740 1300 rundll32.exe rundll32.exe PID 1300 wrote to memory of 1740 1300 rundll32.exe rundll32.exe PID 1300 wrote to memory of 1740 1300 rundll32.exe rundll32.exe PID 1300 wrote to memory of 1740 1300 rundll32.exe rundll32.exe PID 1300 wrote to memory of 1740 1300 rundll32.exe rundll32.exe PID 1300 wrote to memory of 1740 1300 rundll32.exe rundll32.exe PID 1740 wrote to memory of 2216 1740 rundll32.exe WerFault.exe PID 1740 wrote to memory of 2216 1740 rundll32.exe WerFault.exe PID 1740 wrote to memory of 2216 1740 rundll32.exe WerFault.exe PID 1740 wrote to memory of 2216 1740 rundll32.exe WerFault.exe
Processes
-
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
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1740 -s 2243⤵
- Program crash