Analysis
- max time kernel
3s - max time network
4s - platform
windows7_x64 - resource
win7-20240704-en - resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system - submitted
03/08/2024, 03:37
Behavioral task
behavioral1
Sample
58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe
Resource
win7-20240704-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
5d40615701c48a122e44f831e7c8643d07765629a83b15d090587f469c77693d.exe
Resource
win7-20240708-en
windows7-x64
23 signatures
150 seconds
Behavioral task
behavioral3
Sample
ae66e009e16f0fad3b70ad20801f48f2edb904fa5341a89e126a26fd3fc80f75.exe
Resource
win7-20240704-en
windows7-x64
0 signatures
150 seconds
Behavioral task
behavioral4
Sample
c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
Resource
win7-20240729-en
windows7-x64
9 signatures
150 seconds
Errors
Reason
Machine shutdown
General
- Target 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe
- Size 82KB
- Sample240803-d6pxdssbjm
- SHA256 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f
- MD5 e01e11dca5e8b08fc8231b1cb6e2048c
- SHA1 4983d07f004436caa3f10b38adacbba6a4ede01a
- SHA512 298bfb9fe55ddd80f1c6671622d7e9e865899a855b5bb8e0d85d8520160cedca6fd8bc72c9881925477bcab883bf6e6f4c69f997b774b74fe992e023a81269de
- SSDEEP 1536:PcW4lAJGGnzjoih/NDh/NDuk+XkGAK/hztXcag+PlbBfkWIyvZrw281r5XsmCZEe:UWNGszjoih/NDh/NDuk+XkGAK/hztXcQ
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Contains code to disable Windows Defender 1 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
resource yara_rule behavioral1/memory/1940-1-0x0000000000B00000-0x0000000000B1A000-memory.dmp disable_win_def - Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe,C:\\Windows\\system32\\userinit.exe" reg.exe - Modifies boot configuration data using bcdedit 1 TTPs 1 IoCs
pid Process 2068 bcdedit.exe - Impair Defenses: Safe Mode Boot 1 TTPs 1 IoCs
description ioc Process Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\WinDefend reg.exe - Modifies registry key 1 TTPs 1 IoCs
pid Process 1392 reg.exe - Runs net.exe
- Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe Token: SeShutdownPrivilege 2392 shutdown.exe Token: SeRemoteShutdownPrivilege 2392 shutdown.exe - Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1940 wrote to memory of 1392 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 30 PID 1940 wrote to memory of 1392 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 30 PID 1940 wrote to memory of 1392 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 30 PID 1940 wrote to memory of 2068 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 32 PID 1940 wrote to memory of 2068 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 32 PID 1940 wrote to memory of 2068 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 32 PID 1940 wrote to memory of 2364 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 33 PID 1940 wrote to memory of 2364 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 33 PID 1940 wrote to memory of 2364 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 33 PID 1940 wrote to memory of 2140 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 35 PID 1940 wrote to memory of 2140 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 35 PID 1940 wrote to memory of 2140 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 35 PID 1940 wrote to memory of 2392 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 36 PID 1940 wrote to memory of 2392 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 36 PID 1940 wrote to memory of 2392 1940 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 36 PID 2140 wrote to memory of 2876 2140 net.exe 40 PID 2140 wrote to memory of 2876 2140 net.exe 40 PID 2140 wrote to memory of 2876 2140 net.exe 40
Processes
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C:\Users\Admin\AppData\Local\Temp\58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe"C:\Users\Admin\AppData\Local\Temp\58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1940 -
C:\Windows\system32\reg.exe"reg.exe" delete HKLM\System\CurrentControlSet\Control\SafeBoot\Minimal\WinDefend /f2⤵
- Impair Defenses: Safe Mode Boot
- Modifies registry key
PID:1392
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C:\Windows\system32\bcdedit.exe"bcdedit.exe" /set {default} safeboot network2⤵
- Modifies boot configuration data using bcdedit
PID:2068
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C:\Windows\system32\reg.exe"reg.exe" add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v Userinit /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe","C:\Windows\system32\userinit.exe" /f2⤵
- Modifies WinLogon for persistence
PID:2364
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C:\Windows\system32\net.exe"net.exe" user Admin ""2⤵
- Suspicious use of WriteProcessMemory
PID:2140 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 user Admin ""3⤵PID:2876
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C:\Windows\system32\shutdown.exe"shutdown.exe" /r /t 02⤵
- Suspicious use of AdjustPrivilegeToken
PID:2392
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x01⤵PID:2740
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x11⤵PID:2648