Analysis
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max time kernel
150s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
06-03-2024 05:59
Behavioral task
behavioral1
Sample
b6ae15ab999b2dd5398dd62de1a92179.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b6ae15ab999b2dd5398dd62de1a92179.exe
Resource
win10v2004-20240226-en
General
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Target
b6ae15ab999b2dd5398dd62de1a92179.exe
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Size
33KB
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MD5
b6ae15ab999b2dd5398dd62de1a92179
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SHA1
27de86591832a8688660372bf9ae930560b0ea4c
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SHA256
579ae9a57dd87fe89a5ac05f9a2aa235ba0ca7886d63a485d68adc17a2bf2357
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SHA512
8b4d8b3264f71d70564b842f5c75967643149b12907f9a2e3a1f8e631d0d92f47059bfd74157545bdb6f4ad0c2ce96cb5d0c70610f61dcf86f5a1b914a483811
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SSDEEP
768:AHdF/wBIOnkujXAIUGpKzERLziyS1WTJy7s:A9h8tjXfQzs3uWSs
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 2800 netsh.exe -
Drops startup file 2 IoCs
Processes:
Host Process for Windows Tasks.exedescription ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6ee7f17bab7306b657d81470e90c3afc.exe Host Process for Windows Tasks.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6ee7f17bab7306b657d81470e90c3afc.exe Host Process for Windows Tasks.exe -
Executes dropped EXE 2 IoCs
Processes:
Server.exeHost Process for Windows Tasks.exepid Process 3068 Server.exe 2544 Host Process for Windows Tasks.exe -
Loads dropped DLL 2 IoCs
Processes:
b6ae15ab999b2dd5398dd62de1a92179.exeServer.exepid Process 2924 b6ae15ab999b2dd5398dd62de1a92179.exe 3068 Server.exe -
Obfuscated with Agile.Net obfuscator 2 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
Processes:
resource yara_rule behavioral1/memory/2924-0-0x0000000000110000-0x000000000011E000-memory.dmp agile_net behavioral1/memory/2924-2-0x00000000046D0000-0x0000000004710000-memory.dmp agile_net -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
Host Process for Windows Tasks.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Windows\CurrentVersion\Run\6ee7f17bab7306b657d81470e90c3afc = "\"C:\\Users\\Admin\\AppData\\Roaming\\Host Process for Windows Tasks.exe\" .." Host Process for Windows Tasks.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\6ee7f17bab7306b657d81470e90c3afc = "\"C:\\Users\\Admin\\AppData\\Roaming\\Host Process for Windows Tasks.exe\" .." Host Process for Windows Tasks.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 31 IoCs
Processes:
Host Process for Windows Tasks.exepid Process 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe 2544 Host Process for Windows Tasks.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Host Process for Windows Tasks.exedescription pid Process Token: SeDebugPrivilege 2544 Host Process for Windows Tasks.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
b6ae15ab999b2dd5398dd62de1a92179.exeServer.exeHost Process for Windows Tasks.exedescription pid Process procid_target PID 2924 wrote to memory of 3068 2924 b6ae15ab999b2dd5398dd62de1a92179.exe 28 PID 2924 wrote to memory of 3068 2924 b6ae15ab999b2dd5398dd62de1a92179.exe 28 PID 2924 wrote to memory of 3068 2924 b6ae15ab999b2dd5398dd62de1a92179.exe 28 PID 2924 wrote to memory of 3068 2924 b6ae15ab999b2dd5398dd62de1a92179.exe 28 PID 3068 wrote to memory of 2544 3068 Server.exe 29 PID 3068 wrote to memory of 2544 3068 Server.exe 29 PID 3068 wrote to memory of 2544 3068 Server.exe 29 PID 3068 wrote to memory of 2544 3068 Server.exe 29 PID 2544 wrote to memory of 2800 2544 Host Process for Windows Tasks.exe 30 PID 2544 wrote to memory of 2800 2544 Host Process for Windows Tasks.exe 30 PID 2544 wrote to memory of 2800 2544 Host Process for Windows Tasks.exe 30 PID 2544 wrote to memory of 2800 2544 Host Process for Windows Tasks.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\b6ae15ab999b2dd5398dd62de1a92179.exe"C:\Users\Admin\AppData\Local\Temp\b6ae15ab999b2dd5398dd62de1a92179.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2924 -
C:\Users\Admin\AppData\Local\Temp\Server.exe"C:\Users\Admin\AppData\Local\Temp\Server.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3068 -
C:\Users\Admin\AppData\Roaming\Host Process for Windows Tasks.exe"C:\Users\Admin\AppData\Roaming\Host Process for Windows Tasks.exe"3⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2544 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Host Process for Windows Tasks.exe" "Host Process for Windows Tasks.exe" ENABLE4⤵
- Modifies Windows Firewall
PID:2800
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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Filesize
28KB
MD538bc37837b8ac3034f5d1ed53c49ebc6
SHA1df2e9e9c5105406934e9a0ae916cd7f14c1b6081
SHA256a03fd81c4580e67525fcfad3642eb7e511069a91d70ba10ccd667561f663324c
SHA512b093211c777ea22f0a829b0abe75429e1fa08030bf99d3ccbc454648b3bf9d8d73b7a2eb04b5c7b562c6bfc123f888fa49eddd0065e61e97076ea7232e57d61f