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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
26/01/2025, 18:34
Static task
static1
Behavioral task
behavioral1
Sample
2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe
Resource
win10v2004-20241007-en
General
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Target
2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe
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Size
10.3MB
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MD5
6dd13a57c6a06a93be7ae34d9cb92a6a
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SHA1
4a7551506dcd411a6385e2a985ba4429de2f63ea
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SHA256
103f257a6c4a8617124389d69bc1ae7315e8c0d773548b1eed2d4a4044bdd2be
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SHA512
8dfcb3439993a08c21330a926ef161ff0a81f05879a81baad13bfb025c414f161d18590717277ae0c34fd4113caa66cc524589ee919a572936273ad0fa105cc9
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SSDEEP
49152:RqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPn:RqtYc3
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 2552 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\upuxeddm\ImagePath = "C:\\Windows\\SysWOW64\\upuxeddm\\arnulkos.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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation 2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe -
Deletes itself 1 IoCs
pid Process 2340 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 5064 arnulkos.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5064 set thread context of 2340 5064 arnulkos.exe 97 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2624 sc.exe 3756 sc.exe 1496 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 queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 3216 3412 WerFault.exe 84 4560 5064 WerFault.exe 96 -
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 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 arnulkos.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 3412 wrote to memory of 4948 3412 2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe 85 PID 3412 wrote to memory of 4948 3412 2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe 85 PID 3412 wrote to memory of 4948 3412 2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe 85 PID 3412 wrote to memory of 4228 3412 2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe 87 PID 3412 wrote to memory of 4228 3412 2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe 87 PID 3412 wrote to memory of 4228 3412 2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe 87 PID 3412 wrote to memory of 2624 3412 2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe 89 PID 3412 wrote to memory of 2624 3412 2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe 89 PID 3412 wrote to memory of 2624 3412 2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe 89 PID 3412 wrote to memory of 3756 3412 2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe 92 PID 3412 wrote to memory of 3756 3412 2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe 92 PID 3412 wrote to memory of 3756 3412 2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe 92 PID 3412 wrote to memory of 1496 3412 2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe 94 PID 3412 wrote to memory of 1496 3412 2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe 94 PID 3412 wrote to memory of 1496 3412 2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe 94 PID 5064 wrote to memory of 2340 5064 arnulkos.exe 97 PID 5064 wrote to memory of 2340 5064 arnulkos.exe 97 PID 5064 wrote to memory of 2340 5064 arnulkos.exe 97 PID 5064 wrote to memory of 2340 5064 arnulkos.exe 97 PID 5064 wrote to memory of 2340 5064 arnulkos.exe 97 PID 3412 wrote to memory of 2552 3412 2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe 102 PID 3412 wrote to memory of 2552 3412 2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe 102 PID 3412 wrote to memory of 2552 3412 2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3412 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\upuxeddm\2⤵
- System Location Discovery: System Language Discovery
PID:4948
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\arnulkos.exe" C:\Windows\SysWOW64\upuxeddm\2⤵
- System Location Discovery: System Language Discovery
PID:4228
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create upuxeddm binPath= "C:\Windows\SysWOW64\upuxeddm\arnulkos.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2624
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description upuxeddm "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3756
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start upuxeddm2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1496
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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:2552
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 6682⤵
- Program crash
PID:3216
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C:\Windows\SysWOW64\upuxeddm\arnulkos.exeC:\Windows\SysWOW64\upuxeddm\arnulkos.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5064 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2340
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5064 -s 5162⤵
- Program crash
PID:4560
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5064 -ip 50641⤵PID:5084
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3412 -ip 34121⤵PID:2024
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
12.4MB
MD5cf2e3c0be26450cbab80b728d8789650
SHA158f4d81c6127d6da8dfde18fdfaa433aba54af12
SHA256dc7c95788c1c469180356c18a99f3ad1b71f609eabbd51a85966f83f245c252b
SHA5123f8222faa36a11ab4d0344cc475902d5a482dd58ef4b2922cf536dcc62c076a678fa6ffc34ffbc3b3215709032c790d19ca613b138b09a174756dce656cb974c