Analysis
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max time kernel
122s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
23-05-2024 01:43
Static task
static1
Behavioral task
behavioral1
Sample
891408262a391aa3518471825e5bfe85b4fab8ec5385fc7082e5ad50ee67a8f8.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
891408262a391aa3518471825e5bfe85b4fab8ec5385fc7082e5ad50ee67a8f8.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240426-en
General
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Target
$PLUGINSDIR/System.dll
-
Size
11KB
-
MD5
34442e1e0c2870341df55e1b7b3cccdc
-
SHA1
99b2fa21aead4b6ccd8ff2f6d3d3453a51d9c70c
-
SHA256
269d232712c86983336badb40b9e55e80052d8389ed095ebf9214964d43b6bb1
-
SHA512
4a8c57fb12997438b488b862f3fc9dc0f236e07bb47b2bce6053dcb03ac7ad171842f02ac749f02dda4719c681d186330524cd2953d33cb50854844e74b33d51
-
SSDEEP
192:jPtkiQJr7V9r3HcU17S8g1w5xzWxy6j2V7i77blbTc4I:u7VpNo8gmOyRsVc4
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2888 2616 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 2988 wrote to memory of 2616 2988 rundll32.exe rundll32.exe PID 2988 wrote to memory of 2616 2988 rundll32.exe rundll32.exe PID 2988 wrote to memory of 2616 2988 rundll32.exe rundll32.exe PID 2988 wrote to memory of 2616 2988 rundll32.exe rundll32.exe PID 2988 wrote to memory of 2616 2988 rundll32.exe rundll32.exe PID 2988 wrote to memory of 2616 2988 rundll32.exe rundll32.exe PID 2988 wrote to memory of 2616 2988 rundll32.exe rundll32.exe PID 2616 wrote to memory of 2888 2616 rundll32.exe WerFault.exe PID 2616 wrote to memory of 2888 2616 rundll32.exe WerFault.exe PID 2616 wrote to memory of 2888 2616 rundll32.exe WerFault.exe PID 2616 wrote to memory of 2888 2616 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 2616 -s 2243⤵
- Program crash