Analysis
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max time kernel
144s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
11-01-2025 18:27
Static task
static1
Behavioral task
behavioral1
Sample
2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe
Resource
win10v2004-20241007-en
General
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Target
2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe
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Size
12.0MB
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MD5
b88efd6fd62027047f6503b844b1254b
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SHA1
4517af79b45370fbebbe0c232c60a492b6522a21
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SHA256
9225795b892568f50097ba1ea2c0cf9872aa3f8c65dc1ad1f4c5a709ae11156f
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SHA512
3314dbc99d7f90926f2e2b878bdf32986833f888ae6f58de2e6452592b20f44de0a82a2bcf20daf848257a3da2bb764e570ed10f9791dc546af3b628e9ff1ef4
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SSDEEP
24576:OEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZd:nfot
Malware Config
Extracted
tofsee
43.231.4.7
lazystax.ru
Signatures
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Tofsee family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\udtwnego = "0" svchost.exe -
Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 804 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\udtwnego\ImagePath = "C:\\Windows\\SysWOW64\\udtwnego\\nhhyjsjl.exe" svchost.exe -
Deletes itself 1 IoCs
pid Process 2420 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2708 nhhyjsjl.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2708 set thread context of 2420 2708 nhhyjsjl.exe 41 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2620 sc.exe 3004 sc.exe 2764 sc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 9 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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nhhyjsjl.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2840 wrote to memory of 2816 2840 2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe 30 PID 2840 wrote to memory of 2816 2840 2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe 30 PID 2840 wrote to memory of 2816 2840 2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe 30 PID 2840 wrote to memory of 2816 2840 2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe 30 PID 2840 wrote to memory of 2856 2840 2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe 32 PID 2840 wrote to memory of 2856 2840 2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe 32 PID 2840 wrote to memory of 2856 2840 2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe 32 PID 2840 wrote to memory of 2856 2840 2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe 32 PID 2840 wrote to memory of 3004 2840 2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe 34 PID 2840 wrote to memory of 3004 2840 2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe 34 PID 2840 wrote to memory of 3004 2840 2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe 34 PID 2840 wrote to memory of 3004 2840 2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe 34 PID 2840 wrote to memory of 2764 2840 2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe 36 PID 2840 wrote to memory of 2764 2840 2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe 36 PID 2840 wrote to memory of 2764 2840 2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe 36 PID 2840 wrote to memory of 2764 2840 2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe 36 PID 2840 wrote to memory of 2620 2840 2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe 38 PID 2840 wrote to memory of 2620 2840 2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe 38 PID 2840 wrote to memory of 2620 2840 2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe 38 PID 2840 wrote to memory of 2620 2840 2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe 38 PID 2708 wrote to memory of 2420 2708 nhhyjsjl.exe 41 PID 2708 wrote to memory of 2420 2708 nhhyjsjl.exe 41 PID 2708 wrote to memory of 2420 2708 nhhyjsjl.exe 41 PID 2708 wrote to memory of 2420 2708 nhhyjsjl.exe 41 PID 2708 wrote to memory of 2420 2708 nhhyjsjl.exe 41 PID 2708 wrote to memory of 2420 2708 nhhyjsjl.exe 41 PID 2840 wrote to memory of 804 2840 2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe 42 PID 2840 wrote to memory of 804 2840 2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe 42 PID 2840 wrote to memory of 804 2840 2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe 42 PID 2840 wrote to memory of 804 2840 2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe 42
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2840 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\udtwnego\2⤵
- System Location Discovery: System Language Discovery
PID:2816
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\nhhyjsjl.exe" C:\Windows\SysWOW64\udtwnego\2⤵
- System Location Discovery: System Language Discovery
PID:2856
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create udtwnego binPath= "C:\Windows\SysWOW64\udtwnego\nhhyjsjl.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3004
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description udtwnego "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2764
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start udtwnego2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2620
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C:\Windows\SysWOW64\netsh.exe"C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:804
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C:\Windows\SysWOW64\udtwnego\nhhyjsjl.exeC:\Windows\SysWOW64\udtwnego\nhhyjsjl.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-11_b88efd6fd62027047f6503b844b1254b_mafia.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2708 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2420
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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
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
2Disable or Modify System Firewall
1Disable or Modify Tools
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
13.6MB
MD5dac0d80928bdadd5c8ff84f54549394b
SHA1e27eefcfd54fa7238ea724ac8a6a094552a54c15
SHA256ca77334015a33436a7e0e454c1479ac785969b496a16356efd98ce4ad5b25bac
SHA51271faa01a65d0dce8e053c0ed4fadfdee1e92cf806ad302e84ed728a863465941199daeae8d70c97fdeb7be6dc7bb9e9a8d9d31e99122e339ad8886e59d94b834