Analysis
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max time kernel
120s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
29-04-2024 10:27
Static task
static1
Behavioral task
behavioral1
Sample
Comprovativo...exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Comprovativo...exe
Resource
win10v2004-20240419-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240419-en
General
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Target
$PLUGINSDIR/nsExec.dll
-
Size
6KB
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MD5
ac0f93b2dec82e9579bff14c8572a6c8
-
SHA1
6460244317cbb77e342adb3561ec3acb496c84d5
-
SHA256
3aa8e0abadefea2de58281198acfe48713a1d5b43aea5619f563cea098e9fd34
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SHA512
8055a6af150c45547927499f9cbf645d7f39c8e4f9caff4726fd711d2401abca01a79837095e5752b9f57b06446973ea6506796f2223bdb0179243d6e0575bd2
-
SSDEEP
96:5OBtEB2flLkatAthPZJoi9jpfW/er6cBbcB/NFyVOHd0+u3wEX:5hB2flXAVJtjf6cBbcB/N8Ved0PJ
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2272 2076 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 2236 wrote to memory of 2076 2236 rundll32.exe rundll32.exe PID 2236 wrote to memory of 2076 2236 rundll32.exe rundll32.exe PID 2236 wrote to memory of 2076 2236 rundll32.exe rundll32.exe PID 2236 wrote to memory of 2076 2236 rundll32.exe rundll32.exe PID 2236 wrote to memory of 2076 2236 rundll32.exe rundll32.exe PID 2236 wrote to memory of 2076 2236 rundll32.exe rundll32.exe PID 2236 wrote to memory of 2076 2236 rundll32.exe rundll32.exe PID 2076 wrote to memory of 2272 2076 rundll32.exe WerFault.exe PID 2076 wrote to memory of 2272 2076 rundll32.exe WerFault.exe PID 2076 wrote to memory of 2272 2076 rundll32.exe WerFault.exe PID 2076 wrote to memory of 2272 2076 rundll32.exe WerFault.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#12⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 2243⤵
- Program crash