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Analysis
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max time kernel
150s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13/01/2025, 19:47
Static task
static1
Behavioral task
behavioral1
Sample
2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe
Resource
win10v2004-20241007-en
General
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Target
2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe
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Size
11.2MB
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MD5
bb831c7f52de206d92781189a192b098
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SHA1
024df9bd47f11c0159fb01fa01f7c92552734462
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SHA256
c9ddeb670cecb378ac5539460db36b23b32f8f4c416d55372bf3acf10badfde2
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SHA512
1962522edcabfd2c0595de017e131d2a6da3ee9fe238dc70636a614a56388255bede9377fef05447789411df14282d4fe9ffd4d5223dabd3928fa1ebbf2e31a0
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SSDEEP
24576:l6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQv:kWdLQk
Malware Config
Extracted
tofsee
43.231.4.7
lazystax.ru
Signatures
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Tofsee family
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Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3604 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\zxcyoeeu\ImagePath = "C:\\Windows\\SysWOW64\\zxcyoeeu\\fzzqbkbd.exe" svchost.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation 2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe -
Deletes itself 1 IoCs
pid Process 2520 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2408 fzzqbkbd.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2408 set thread context of 2520 2408 fzzqbkbd.exe 98 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4368 sc.exe 3500 sc.exe 3228 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 -
Program crash 2 IoCs
pid pid_target Process procid_target 3580 2228 WerFault.exe 81 3348 2408 WerFault.exe 92 -
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 netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe 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 sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fzzqbkbd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 2228 wrote to memory of 4828 2228 2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe 82 PID 2228 wrote to memory of 4828 2228 2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe 82 PID 2228 wrote to memory of 4828 2228 2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe 82 PID 2228 wrote to memory of 1324 2228 2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe 84 PID 2228 wrote to memory of 1324 2228 2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe 84 PID 2228 wrote to memory of 1324 2228 2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe 84 PID 2228 wrote to memory of 4368 2228 2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe 86 PID 2228 wrote to memory of 4368 2228 2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe 86 PID 2228 wrote to memory of 4368 2228 2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe 86 PID 2228 wrote to memory of 3500 2228 2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe 88 PID 2228 wrote to memory of 3500 2228 2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe 88 PID 2228 wrote to memory of 3500 2228 2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe 88 PID 2228 wrote to memory of 3228 2228 2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe 90 PID 2228 wrote to memory of 3228 2228 2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe 90 PID 2228 wrote to memory of 3228 2228 2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe 90 PID 2228 wrote to memory of 3604 2228 2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe 93 PID 2228 wrote to memory of 3604 2228 2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe 93 PID 2228 wrote to memory of 3604 2228 2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe 93 PID 2408 wrote to memory of 2520 2408 fzzqbkbd.exe 98 PID 2408 wrote to memory of 2520 2408 fzzqbkbd.exe 98 PID 2408 wrote to memory of 2520 2408 fzzqbkbd.exe 98 PID 2408 wrote to memory of 2520 2408 fzzqbkbd.exe 98 PID 2408 wrote to memory of 2520 2408 fzzqbkbd.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2228 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zxcyoeeu\2⤵
- System Location Discovery: System Language Discovery
PID:4828
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\fzzqbkbd.exe" C:\Windows\SysWOW64\zxcyoeeu\2⤵
- System Location Discovery: System Language Discovery
PID:1324
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create zxcyoeeu binPath= "C:\Windows\SysWOW64\zxcyoeeu\fzzqbkbd.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4368
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description zxcyoeeu "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3500
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start zxcyoeeu2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3228
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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:3604
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2228 -s 10362⤵
- Program crash
PID:3580
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C:\Windows\SysWOW64\zxcyoeeu\fzzqbkbd.exeC:\Windows\SysWOW64\zxcyoeeu\fzzqbkbd.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2408 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2520
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2408 -s 5122⤵
- Program crash
PID:3348
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 2228 -ip 22281⤵PID:2000
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2408 -ip 24081⤵PID:3252
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
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
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Downloads
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Filesize
10.4MB
MD591447b118b06fbd485a1dae6cc19a084
SHA1160ff8209dfec692657ef114f1d7e8e0f7a34332
SHA2562db97290051a7380672f5827fbcf0c2af76ce0cd90898308f4e6e20332d4dc37
SHA5127eaa8ea30d932a606deae43288c223fe2cae33a81285912cc7d6b75b869d0a8ace5d051fbf542623cc8f75f8f24320b1bb5983232f36515d422ab9f9883a595f