Analysis
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max time kernel
151s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
07/11/2022, 13:38
Static task
static1
Behavioral task
behavioral1
Sample
39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe
Resource
win7-20220901-en
windows7-x64
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
5 signatures
150 seconds
General
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Target
39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe
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Size
247KB
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MD5
05af9bc7cb54a9d51b3715ad39a44171
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SHA1
c2710c0f089a545e81f0f1a58bd431f61a64fbd4
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SHA256
39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982
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SHA512
451014f1960f60892f4dae6ca435082c15cbedf819ae22bc06cc3409ace0ebe18525434cd1533cf729b708838c3d23045d5f5a8ae256ede6e1c3762b9a5a91a3
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SSDEEP
6144:kCrwdtJJBN9QNgcXhGZmzt0ksw2hDZU1NTgoz:HUdtqsK0oiUrUoz
Score
10/10
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\ntos.exe," 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\ntos.exe 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe File created C:\Windows\SysWOW64\ntos.exe 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6 PID 1436 wrote to memory of 592 1436 39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe 6
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:592
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C:\Users\Admin\AppData\Local\Temp\39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe"C:\Users\Admin\AppData\Local\Temp\39af8e4fdad5a13cfd9e811a025c4955238045deda34455dae93890e6b1bc982.exe"1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1436