Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
17-10-2024 09:40
Behavioral task
behavioral1
Sample
sosi_biby.exe
Resource
win7-20240903-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
sosi_biby.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
sosi_biby.exe
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Size
37KB
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MD5
e11aa2c789dfd4b10e77090c4c3e448f
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SHA1
ea62417c208415661cbcace3984f493f55eedaa8
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SHA256
61f6d97939e73cf2a5c172bd2a19ae50e5b4c76fb5426cb30d062e1a0bc5071d
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SHA512
17ce670b5a814a5181a74fee69dccd44bd0be55dc53650f0374e8bd503066a4eec10bfe503d3ad11ad845575ebb0bcb3fda2eaf23100aa8f6adc86677d33857f
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SSDEEP
384:fW/gUiDrblmJEpRGyEfdDPTuWCYqAlLrAF+rMRTyN/0L+EcoinblneHQM3epzX9J:e/yHpR9EfdDCWClAprM+rMRa8Nu/vzt
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2540 netsh.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\612b5654a765e68b788c9882725c66ac.exe sosi_biby.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\612b5654a765e68b788c9882725c66ac.exe sosi_biby.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\612b5654a765e68b788c9882725c66ac = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\sosi_biby.exe\" .." sosi_biby.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\612b5654a765e68b788c9882725c66ac = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\sosi_biby.exe\" .." sosi_biby.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
flow ioc 33 6.tcp.eu.ngrok.io 2 6.tcp.eu.ngrok.io 15 6.tcp.eu.ngrok.io -
Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sosi_biby.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe 2248 sosi_biby.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2248 sosi_biby.exe -
Suspicious use of AdjustPrivilegeToken 37 IoCs
description pid Process Token: SeDebugPrivilege 2248 sosi_biby.exe Token: 33 2248 sosi_biby.exe Token: SeIncBasePriorityPrivilege 2248 sosi_biby.exe Token: 33 2248 sosi_biby.exe Token: SeIncBasePriorityPrivilege 2248 sosi_biby.exe Token: 33 2248 sosi_biby.exe Token: SeIncBasePriorityPrivilege 2248 sosi_biby.exe Token: 33 2248 sosi_biby.exe Token: SeIncBasePriorityPrivilege 2248 sosi_biby.exe Token: 33 2248 sosi_biby.exe Token: SeIncBasePriorityPrivilege 2248 sosi_biby.exe Token: 33 2248 sosi_biby.exe Token: SeIncBasePriorityPrivilege 2248 sosi_biby.exe Token: 33 2248 sosi_biby.exe Token: SeIncBasePriorityPrivilege 2248 sosi_biby.exe Token: 33 2248 sosi_biby.exe Token: SeIncBasePriorityPrivilege 2248 sosi_biby.exe Token: 33 2248 sosi_biby.exe Token: SeIncBasePriorityPrivilege 2248 sosi_biby.exe Token: 33 2248 sosi_biby.exe Token: SeIncBasePriorityPrivilege 2248 sosi_biby.exe Token: 33 2248 sosi_biby.exe Token: SeIncBasePriorityPrivilege 2248 sosi_biby.exe Token: 33 2248 sosi_biby.exe Token: SeIncBasePriorityPrivilege 2248 sosi_biby.exe Token: 33 2248 sosi_biby.exe Token: SeIncBasePriorityPrivilege 2248 sosi_biby.exe Token: 33 2248 sosi_biby.exe Token: SeIncBasePriorityPrivilege 2248 sosi_biby.exe Token: 33 2248 sosi_biby.exe Token: SeIncBasePriorityPrivilege 2248 sosi_biby.exe Token: 33 2248 sosi_biby.exe Token: SeIncBasePriorityPrivilege 2248 sosi_biby.exe Token: 33 2248 sosi_biby.exe Token: SeIncBasePriorityPrivilege 2248 sosi_biby.exe Token: 33 2248 sosi_biby.exe Token: SeIncBasePriorityPrivilege 2248 sosi_biby.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2248 wrote to memory of 2540 2248 sosi_biby.exe 31 PID 2248 wrote to memory of 2540 2248 sosi_biby.exe 31 PID 2248 wrote to memory of 2540 2248 sosi_biby.exe 31 PID 2248 wrote to memory of 2540 2248 sosi_biby.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\sosi_biby.exe"C:\Users\Admin\AppData\Local\Temp\sosi_biby.exe"1⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2248 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\sosi_biby.exe" "sosi_biby.exe" ENABLE2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2540
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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
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1