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Analysis
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max time kernel
146s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
01/05/2024, 06:01
Static task
static1
Behavioral task
behavioral1
Sample
Server.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
Server.exe
Resource
win10v2004-20240419-en
General
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Target
Server.exe
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Size
43KB
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MD5
096c893336194f84c8c12680e33ce18f
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SHA1
4c2f0cfe820211539d2ecaab80a2a675f78dc7c7
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SHA256
271d3edb1fe545ec7018231b0a1ff40e1454fbc9befe96049b2f629aaddf8905
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SHA512
0b68d7a2706ec1253352dfc0972f3dca80687d96aa090cb0610d389bae8909e60e5ea64a07dadbfb41a5e55096269c67cfe947e190d3f2f3be1e01fc7303b507
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SSDEEP
768:IkhB38+7iJ1SUk27YrK9eTO2ww5E1T6H8jHfYqvtO1Sx4r1hCSNTY7h4HCCjPka:HaenkSU36dsSw4HCCrk
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2584 netsh.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8515eb34d8f9de5af815466e9715b3e5.exe Trojan.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8515eb34d8f9de5af815466e9715b3e5.exe Trojan.exe -
Executes dropped EXE 1 IoCs
pid Process 2052 Trojan.exe -
Loads dropped DLL 1 IoCs
pid Process 2956 Server.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\8515eb34d8f9de5af815466e9715b3e5 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Trojan.exe\" .." Trojan.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\8515eb34d8f9de5af815466e9715b3e5 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Trojan.exe\" .." Trojan.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2052 Trojan.exe 2052 Trojan.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2052 Trojan.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2956 wrote to memory of 2052 2956 Server.exe 28 PID 2956 wrote to memory of 2052 2956 Server.exe 28 PID 2956 wrote to memory of 2052 2956 Server.exe 28 PID 2956 wrote to memory of 2052 2956 Server.exe 28 PID 2052 wrote to memory of 2584 2052 Trojan.exe 29 PID 2052 wrote to memory of 2584 2052 Trojan.exe 29 PID 2052 wrote to memory of 2584 2052 Trojan.exe 29 PID 2052 wrote to memory of 2584 2052 Trojan.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\Server.exe"C:\Users\Admin\AppData\Local\Temp\Server.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2956 -
C:\Users\Admin\AppData\Roaming\Trojan.exe"C:\Users\Admin\AppData\Roaming\Trojan.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2052 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Trojan.exe" "Trojan.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:2584
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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
43KB
MD5096c893336194f84c8c12680e33ce18f
SHA14c2f0cfe820211539d2ecaab80a2a675f78dc7c7
SHA256271d3edb1fe545ec7018231b0a1ff40e1454fbc9befe96049b2f629aaddf8905
SHA5120b68d7a2706ec1253352dfc0972f3dca80687d96aa090cb0610d389bae8909e60e5ea64a07dadbfb41a5e55096269c67cfe947e190d3f2f3be1e01fc7303b507