Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
09-07-2024 15:49
Static task
static1
Behavioral task
behavioral1
Sample
07ff5290bca33bcd25f479f468f9a0c0371b3aac25dc5bb846b55ba60ca658ed.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
07ff5290bca33bcd25f479f468f9a0c0371b3aac25dc5bb846b55ba60ca658ed.exe
Resource
win10v2004-20240704-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240705-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240704-en
Behavioral task
behavioral5
Sample
sirrah.dll
Resource
win7-20240704-en
Behavioral task
behavioral6
Sample
sirrah.dll
Resource
win10v2004-20240709-en
General
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Target
$PLUGINSDIR/System.dll
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Size
11KB
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MD5
883eff06ac96966270731e4e22817e11
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SHA1
523c87c98236cbc04430e87ec19b977595092ac8
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SHA256
44e5dfd551b38e886214bd6b9c8ee913c4c4d1f085a6575d97c3e892b925da82
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SHA512
60333253342476911c84bbc1d9bf8a29f811207787fdd6107dce8d2b6e031669303f28133ffc811971ed7792087fe90fb1faabc0af4e91c298ba51e28109a390
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SSDEEP
96:UPDYcJ+nx4vVp76JX7zBlkCg21Fxz4THxtrqw1at0JgwLEjo+OB3yUVCdl/wNj+l:UPtkuWJX7zB3kGwfy0nyUVsxCjOMb1u
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 2572 2288 WerFault.exe 31 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2940 wrote to memory of 2288 2940 rundll32.exe 31 PID 2940 wrote to memory of 2288 2940 rundll32.exe 31 PID 2940 wrote to memory of 2288 2940 rundll32.exe 31 PID 2940 wrote to memory of 2288 2940 rundll32.exe 31 PID 2940 wrote to memory of 2288 2940 rundll32.exe 31 PID 2940 wrote to memory of 2288 2940 rundll32.exe 31 PID 2940 wrote to memory of 2288 2940 rundll32.exe 31 PID 2288 wrote to memory of 2572 2288 rundll32.exe 32 PID 2288 wrote to memory of 2572 2288 rundll32.exe 32 PID 2288 wrote to memory of 2572 2288 rundll32.exe 32 PID 2288 wrote to memory of 2572 2288 rundll32.exe 32
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:2940 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2288 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2288 -s 2243⤵
- Program crash
PID:2572
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