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Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
28/01/2025, 10:48
Static task
static1
Behavioral task
behavioral1
Sample
2025-01-28_c5c84333e789e6a438348a5486a6d01c_mafia.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2025-01-28_c5c84333e789e6a438348a5486a6d01c_mafia.exe
Resource
win10v2004-20241007-en
General
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Target
2025-01-28_c5c84333e789e6a438348a5486a6d01c_mafia.exe
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Size
11.3MB
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MD5
c5c84333e789e6a438348a5486a6d01c
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SHA1
29f733539b5bf6f1cd2b9f26598e50ac8eb9e922
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SHA256
97b12ec9acdaf954e9b4146a812dee8769dad50e1518505098fea65e0d612623
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SHA512
413f2af7181bdc2940e05a98f3911aab7d71dc61c8f6199290f552bff7b0d00842065b251528ab6ccc787e275836a9286b022ba1e3ce04c2a79d354c7a4cc020
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SSDEEP
24576:FEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZD:Ofot
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 4744 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\grhxkuqc\ImagePath = "C:\\Windows\\SysWOW64\\grhxkuqc\\dlaerpyy.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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation 2025-01-28_c5c84333e789e6a438348a5486a6d01c_mafia.exe -
Deletes itself 1 IoCs
pid Process 4924 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 3864 dlaerpyy.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3864 set thread context of 4924 3864 dlaerpyy.exe 98 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1760 sc.exe 4608 sc.exe 4440 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 3896 1376 WerFault.exe 81 4344 3864 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 2025-01-28_c5c84333e789e6a438348a5486a6d01c_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 netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dlaerpyy.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 1376 wrote to memory of 4820 1376 2025-01-28_c5c84333e789e6a438348a5486a6d01c_mafia.exe 82 PID 1376 wrote to memory of 4820 1376 2025-01-28_c5c84333e789e6a438348a5486a6d01c_mafia.exe 82 PID 1376 wrote to memory of 4820 1376 2025-01-28_c5c84333e789e6a438348a5486a6d01c_mafia.exe 82 PID 1376 wrote to memory of 1712 1376 2025-01-28_c5c84333e789e6a438348a5486a6d01c_mafia.exe 84 PID 1376 wrote to memory of 1712 1376 2025-01-28_c5c84333e789e6a438348a5486a6d01c_mafia.exe 84 PID 1376 wrote to memory of 1712 1376 2025-01-28_c5c84333e789e6a438348a5486a6d01c_mafia.exe 84 PID 1376 wrote to memory of 1760 1376 2025-01-28_c5c84333e789e6a438348a5486a6d01c_mafia.exe 86 PID 1376 wrote to memory of 1760 1376 2025-01-28_c5c84333e789e6a438348a5486a6d01c_mafia.exe 86 PID 1376 wrote to memory of 1760 1376 2025-01-28_c5c84333e789e6a438348a5486a6d01c_mafia.exe 86 PID 1376 wrote to memory of 4608 1376 2025-01-28_c5c84333e789e6a438348a5486a6d01c_mafia.exe 88 PID 1376 wrote to memory of 4608 1376 2025-01-28_c5c84333e789e6a438348a5486a6d01c_mafia.exe 88 PID 1376 wrote to memory of 4608 1376 2025-01-28_c5c84333e789e6a438348a5486a6d01c_mafia.exe 88 PID 1376 wrote to memory of 4440 1376 2025-01-28_c5c84333e789e6a438348a5486a6d01c_mafia.exe 90 PID 1376 wrote to memory of 4440 1376 2025-01-28_c5c84333e789e6a438348a5486a6d01c_mafia.exe 90 PID 1376 wrote to memory of 4440 1376 2025-01-28_c5c84333e789e6a438348a5486a6d01c_mafia.exe 90 PID 1376 wrote to memory of 4744 1376 2025-01-28_c5c84333e789e6a438348a5486a6d01c_mafia.exe 93 PID 1376 wrote to memory of 4744 1376 2025-01-28_c5c84333e789e6a438348a5486a6d01c_mafia.exe 93 PID 1376 wrote to memory of 4744 1376 2025-01-28_c5c84333e789e6a438348a5486a6d01c_mafia.exe 93 PID 3864 wrote to memory of 4924 3864 dlaerpyy.exe 98 PID 3864 wrote to memory of 4924 3864 dlaerpyy.exe 98 PID 3864 wrote to memory of 4924 3864 dlaerpyy.exe 98 PID 3864 wrote to memory of 4924 3864 dlaerpyy.exe 98 PID 3864 wrote to memory of 4924 3864 dlaerpyy.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-01-28_c5c84333e789e6a438348a5486a6d01c_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-28_c5c84333e789e6a438348a5486a6d01c_mafia.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1376 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\grhxkuqc\2⤵
- System Location Discovery: System Language Discovery
PID:4820
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dlaerpyy.exe" C:\Windows\SysWOW64\grhxkuqc\2⤵
- System Location Discovery: System Language Discovery
PID:1712
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create grhxkuqc binPath= "C:\Windows\SysWOW64\grhxkuqc\dlaerpyy.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-28_c5c84333e789e6a438348a5486a6d01c_mafia.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1760
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description grhxkuqc "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4608
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start grhxkuqc2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4440
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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:4744
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1376 -s 10282⤵
- Program crash
PID:3896
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C:\Windows\SysWOW64\grhxkuqc\dlaerpyy.exeC:\Windows\SysWOW64\grhxkuqc\dlaerpyy.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-28_c5c84333e789e6a438348a5486a6d01c_mafia.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3864 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:4924
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3864 -s 5082⤵
- Program crash
PID:4344
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1376 -ip 13761⤵PID:232
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3864 -ip 38641⤵PID:2184
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
14.1MB
MD50aa045fd7e868d2b897f7c7d49bd3da1
SHA13f32cac736e6fcc3ff4e9dbfbb2fabd1317d7fc2
SHA256432fa98f61def37c7834351b857e1775a33a94de164b7f94ec7320716daf0fa0
SHA512e25477ad497ccc470fd73a14d2212dad22c258f49e73b958baf0438b9e1b9e5f30027ce484dcb2534e582c9283a5bd8f2a2452786ea2a37ff0c56d8a2f7a9525