Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
28-12-2022 16:50
Behavioral task
behavioral1
Sample
Backdoor.MSIL.Agent.exe
Resource
win7-20221111-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
Backdoor.MSIL.Agent.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
6 signatures
150 seconds
General
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Target
Backdoor.MSIL.Agent.exe
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Size
89KB
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MD5
f54eea2b9a7c0259b87a5303a526d818
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SHA1
641fcc96b0e288f7c5b1d0b94d6be1be2939e38e
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SHA256
72fd107044ae159a7a80813fe902a132f12eedd01c63fd9e506cf05e088e7491
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SHA512
36d1fb8553f454b1edbd719d4805e3d120b243960fb82ff640e52e3d3c9710a8761128079f981da011ad931c1117c0d7317f051bd4fd71a5bad93b7862dafde5
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SSDEEP
384:W8aZYC9twBNdcvFaly2H0dbJo6HghcASEJqc/ZmRvR6JZlbw8hqIusZzZVPe+8tp:AY+sNKqNHnSdRpcnu+REgTK
Score
10/10
Malware Config
Signatures
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Modifies Windows Firewall 1 TTPs 1 IoCs
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Drops startup file 2 IoCs
Processes:
Backdoor.MSIL.Agent.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e4c7f2e5b82fac0d624ab661f39b28fa.exe Backdoor.MSIL.Agent.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e4c7f2e5b82fac0d624ab661f39b28fa.exe Backdoor.MSIL.Agent.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
Backdoor.MSIL.Agent.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\e4c7f2e5b82fac0d624ab661f39b28fa = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Backdoor.MSIL.Agent.exe\" .." Backdoor.MSIL.Agent.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\e4c7f2e5b82fac0d624ab661f39b28fa = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Backdoor.MSIL.Agent.exe\" .." Backdoor.MSIL.Agent.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
Processes:
Backdoor.MSIL.Agent.exedescription pid process Token: SeDebugPrivilege 4292 Backdoor.MSIL.Agent.exe Token: 33 4292 Backdoor.MSIL.Agent.exe Token: SeIncBasePriorityPrivilege 4292 Backdoor.MSIL.Agent.exe Token: 33 4292 Backdoor.MSIL.Agent.exe Token: SeIncBasePriorityPrivilege 4292 Backdoor.MSIL.Agent.exe Token: 33 4292 Backdoor.MSIL.Agent.exe Token: SeIncBasePriorityPrivilege 4292 Backdoor.MSIL.Agent.exe Token: 33 4292 Backdoor.MSIL.Agent.exe Token: SeIncBasePriorityPrivilege 4292 Backdoor.MSIL.Agent.exe Token: 33 4292 Backdoor.MSIL.Agent.exe Token: SeIncBasePriorityPrivilege 4292 Backdoor.MSIL.Agent.exe Token: 33 4292 Backdoor.MSIL.Agent.exe Token: SeIncBasePriorityPrivilege 4292 Backdoor.MSIL.Agent.exe Token: 33 4292 Backdoor.MSIL.Agent.exe Token: SeIncBasePriorityPrivilege 4292 Backdoor.MSIL.Agent.exe Token: 33 4292 Backdoor.MSIL.Agent.exe Token: SeIncBasePriorityPrivilege 4292 Backdoor.MSIL.Agent.exe Token: 33 4292 Backdoor.MSIL.Agent.exe Token: SeIncBasePriorityPrivilege 4292 Backdoor.MSIL.Agent.exe Token: 33 4292 Backdoor.MSIL.Agent.exe Token: SeIncBasePriorityPrivilege 4292 Backdoor.MSIL.Agent.exe Token: 33 4292 Backdoor.MSIL.Agent.exe Token: SeIncBasePriorityPrivilege 4292 Backdoor.MSIL.Agent.exe Token: 33 4292 Backdoor.MSIL.Agent.exe Token: SeIncBasePriorityPrivilege 4292 Backdoor.MSIL.Agent.exe Token: 33 4292 Backdoor.MSIL.Agent.exe Token: SeIncBasePriorityPrivilege 4292 Backdoor.MSIL.Agent.exe Token: 33 4292 Backdoor.MSIL.Agent.exe Token: SeIncBasePriorityPrivilege 4292 Backdoor.MSIL.Agent.exe Token: 33 4292 Backdoor.MSIL.Agent.exe Token: SeIncBasePriorityPrivilege 4292 Backdoor.MSIL.Agent.exe Token: 33 4292 Backdoor.MSIL.Agent.exe Token: SeIncBasePriorityPrivilege 4292 Backdoor.MSIL.Agent.exe Token: 33 4292 Backdoor.MSIL.Agent.exe Token: SeIncBasePriorityPrivilege 4292 Backdoor.MSIL.Agent.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
Backdoor.MSIL.Agent.exedescription pid process target process PID 4292 wrote to memory of 1344 4292 Backdoor.MSIL.Agent.exe netsh.exe PID 4292 wrote to memory of 1344 4292 Backdoor.MSIL.Agent.exe netsh.exe PID 4292 wrote to memory of 1344 4292 Backdoor.MSIL.Agent.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Backdoor.MSIL.Agent.exe"C:\Users\Admin\AppData\Local\Temp\Backdoor.MSIL.Agent.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Backdoor.MSIL.Agent.exe" "Backdoor.MSIL.Agent.exe" ENABLE2⤵
- Modifies Windows Firewall