Analysis
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max time kernel
161s -
max time network
178s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
27-11-2022 21:54
Static task
static1
Behavioral task
behavioral1
Sample
Message.Pdf_____________________________________________________________.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
Message.Pdf_____________________________________________________________.exe
Resource
win10v2004-20220812-en
General
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Target
Message.Pdf_____________________________________________________________.exe
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Size
459KB
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MD5
31559db5ce662400dccef6f781b4218d
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SHA1
66567121269f253f0282ecc04ad981dae54959d9
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SHA256
b89e0e608175629cb724fa36e35147a81a0d48b3b1c15656783b47e7b9bd8845
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SHA512
a5099e62537179fcda5e039cf0dace1753c5db550edb505dfdbbb1d342b5566d6cd712e48a8d9f900be947904aa4ea330d3d41cd7b9db0655837dc5ec93373a9
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SSDEEP
12288:pnUNbLVGziGw9t89zIFEqJAosf6yqTRNnh:uNLVMxu7fh
Malware Config
Signatures
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Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 3836 Message.Pdf_____________________________________________________________.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3836 set thread context of 4700 3836 Message.Pdf_____________________________________________________________.exe 78 -
Program crash 1 IoCs
pid pid_target Process procid_target 664 4700 WerFault.exe 78 -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 3836 wrote to memory of 4700 3836 Message.Pdf_____________________________________________________________.exe 78 PID 3836 wrote to memory of 4700 3836 Message.Pdf_____________________________________________________________.exe 78 PID 3836 wrote to memory of 4700 3836 Message.Pdf_____________________________________________________________.exe 78 PID 3836 wrote to memory of 4700 3836 Message.Pdf_____________________________________________________________.exe 78 PID 3836 wrote to memory of 4700 3836 Message.Pdf_____________________________________________________________.exe 78 PID 3836 wrote to memory of 4700 3836 Message.Pdf_____________________________________________________________.exe 78 PID 3836 wrote to memory of 4700 3836 Message.Pdf_____________________________________________________________.exe 78 PID 3836 wrote to memory of 4700 3836 Message.Pdf_____________________________________________________________.exe 78 PID 3836 wrote to memory of 4700 3836 Message.Pdf_____________________________________________________________.exe 78 PID 3836 wrote to memory of 4700 3836 Message.Pdf_____________________________________________________________.exe 78
Processes
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C:\Users\Admin\AppData\Local\Temp\Message.Pdf_____________________________________________________________.exe"C:\Users\Admin\AppData\Local\Temp\Message.Pdf_____________________________________________________________.exe"1⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3836 -
C:\Users\Admin\AppData\Local\Temp\Message.Pdf_____________________________________________________________.exe"C:\Users\Admin\AppData\Local\Temp\Message.Pdf_____________________________________________________________.exe"2⤵PID:4700
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4700 -s 123⤵
- Program crash
PID:664
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4700 -ip 47001⤵PID:4604