Analysis
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max time kernel
15s -
max time network
35s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
24/05/2023, 18:47
Static task
static1
Behavioral task
behavioral1
Sample
mainlibr.dll
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
mainlibr.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral3
Sample
sanicball.exe
Resource
win7-20230220-en
Behavioral task
behavioral4
Sample
sanicball.exe
Resource
win10v2004-20230220-en
General
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Target
mainlibr.dll
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Size
2.5MB
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MD5
deb5ebc2a3a6f776cfed0afb7b350a9b
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SHA1
28615bc9fa2077b3597415a76a55f7775e0c8007
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SHA256
8c81c84548ce191b11390ebaa71397d23662593b1c113aaa0392e40ff0f9307a
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SHA512
5765c54147c8b950c594619d03b3a154e94aa43ce39ca91831b39229049794e6f6ee8226ebe4367c27b1d40409d6f9feaad2f8fa1a9d42a777b9df88fb6e5711
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SSDEEP
49152:Ld0krhjbVYU9U/ElyrLKlvGBO58GBjG9nYM6JBe4PjnhMsQHNClhIdYTf2O+yX37:ykrRyylvGB65YNCMghMtHIledkp+R
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 1140 1336 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1420 wrote to memory of 1336 1420 rundll32.exe 28 PID 1420 wrote to memory of 1336 1420 rundll32.exe 28 PID 1420 wrote to memory of 1336 1420 rundll32.exe 28 PID 1420 wrote to memory of 1336 1420 rundll32.exe 28 PID 1420 wrote to memory of 1336 1420 rundll32.exe 28 PID 1420 wrote to memory of 1336 1420 rundll32.exe 28 PID 1420 wrote to memory of 1336 1420 rundll32.exe 28 PID 1336 wrote to memory of 1140 1336 rundll32.exe 29 PID 1336 wrote to memory of 1140 1336 rundll32.exe 29 PID 1336 wrote to memory of 1140 1336 rundll32.exe 29 PID 1336 wrote to memory of 1140 1336 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\mainlibr.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1420 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\mainlibr.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1336 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1336 -s 2283⤵
- Program crash
PID:1140
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