Analysis
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max time kernel
145s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
22-01-2025 21:36
Static task
static1
Behavioral task
behavioral1
Sample
2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe
Resource
win10v2004-20241007-en
General
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Target
2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe
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Size
10.5MB
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MD5
eb5cb62cc6ff9b511f81f8973631ee20
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SHA1
460b9ff5faa8e98cd9769811a5a22e0c3184022a
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SHA256
4dc819b30f24d4d53171df29aa0b62c3c44c4f8f0d172c076b463becfc98bb53
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SHA512
ba6f96587f647a0552beb964fecd5d04864d2e0986bed898f7be5595f7e902c3e14debaf2bd919c18bf8a2e73c9241fd53603a386c87561ee71550f8d92f96af
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SSDEEP
24576:SEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZh:rfot
Malware Config
Extracted
tofsee
43.231.4.7
lazystax.ru
Signatures
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Tofsee family
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Windows security bypass 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\yfcsgblx = "0" svchost.exe -
Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2648 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\yfcsgblx\ImagePath = "C:\\Windows\\SysWOW64\\yfcsgblx\\cpbyrejt.exe" svchost.exe -
Deletes itself 1 IoCs
pid Process 2676 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2812 cpbyrejt.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2812 set thread context of 2676 2812 cpbyrejt.exe 42 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3064 sc.exe 2704 sc.exe 2852 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 cpbyrejt.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe 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 sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 1752 wrote to memory of 1664 1752 2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe 31 PID 1752 wrote to memory of 1664 1752 2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe 31 PID 1752 wrote to memory of 1664 1752 2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe 31 PID 1752 wrote to memory of 1664 1752 2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe 31 PID 1752 wrote to memory of 1428 1752 2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe 33 PID 1752 wrote to memory of 1428 1752 2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe 33 PID 1752 wrote to memory of 1428 1752 2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe 33 PID 1752 wrote to memory of 1428 1752 2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe 33 PID 1752 wrote to memory of 3064 1752 2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe 35 PID 1752 wrote to memory of 3064 1752 2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe 35 PID 1752 wrote to memory of 3064 1752 2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe 35 PID 1752 wrote to memory of 3064 1752 2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe 35 PID 1752 wrote to memory of 2704 1752 2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe 37 PID 1752 wrote to memory of 2704 1752 2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe 37 PID 1752 wrote to memory of 2704 1752 2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe 37 PID 1752 wrote to memory of 2704 1752 2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe 37 PID 1752 wrote to memory of 2852 1752 2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe 39 PID 1752 wrote to memory of 2852 1752 2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe 39 PID 1752 wrote to memory of 2852 1752 2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe 39 PID 1752 wrote to memory of 2852 1752 2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe 39 PID 2812 wrote to memory of 2676 2812 cpbyrejt.exe 42 PID 2812 wrote to memory of 2676 2812 cpbyrejt.exe 42 PID 2812 wrote to memory of 2676 2812 cpbyrejt.exe 42 PID 2812 wrote to memory of 2676 2812 cpbyrejt.exe 42 PID 2812 wrote to memory of 2676 2812 cpbyrejt.exe 42 PID 2812 wrote to memory of 2676 2812 cpbyrejt.exe 42 PID 1752 wrote to memory of 2648 1752 2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe 43 PID 1752 wrote to memory of 2648 1752 2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe 43 PID 1752 wrote to memory of 2648 1752 2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe 43 PID 1752 wrote to memory of 2648 1752 2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe 43
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\yfcsgblx\2⤵
- System Location Discovery: System Language Discovery
PID:1664
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\cpbyrejt.exe" C:\Windows\SysWOW64\yfcsgblx\2⤵
- System Location Discovery: System Language Discovery
PID:1428
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create yfcsgblx binPath= "C:\Windows\SysWOW64\yfcsgblx\cpbyrejt.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3064
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description yfcsgblx "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2704
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start yfcsgblx2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2852
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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:2648
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C:\Windows\SysWOW64\yfcsgblx\cpbyrejt.exeC:\Windows\SysWOW64\yfcsgblx\cpbyrejt.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2812 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2676
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Network
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Remote address:8.8.8.8:53Requestmicrosoft.comIN AResponsemicrosoft.comIN A20.76.201.171microsoft.comIN A20.231.239.246microsoft.comIN A20.236.44.162microsoft.comIN A20.70.246.20microsoft.comIN A20.112.250.133
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Remote address:8.8.8.8:53Requestmicrosoft.comIN MXResponsemicrosoft.comIN MXmicrosoft-commail protectionoutlook�
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Remote address:8.8.8.8:53Requestmicrosoft-com.mail.protection.outlook.comIN AResponsemicrosoft-com.mail.protection.outlook.comIN A52.101.40.26microsoft-com.mail.protection.outlook.comIN A52.101.8.49microsoft-com.mail.protection.outlook.comIN A52.101.11.0microsoft-com.mail.protection.outlook.comIN A52.101.42.0
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Remote address:8.8.8.8:53Requestyahoo.comIN MXResponseyahoo.comIN MXmta5am0yahoodnsnetyahoo.comIN MXmta6�.yahoo.comIN MXmta7�.
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Remote address:8.8.8.8:53Requestmta5.am0.yahoodns.netIN AResponsemta5.am0.yahoodns.netIN A67.195.228.94mta5.am0.yahoodns.netIN A98.136.96.91mta5.am0.yahoodns.netIN A98.136.96.75mta5.am0.yahoodns.netIN A67.195.204.73mta5.am0.yahoodns.netIN A67.195.204.74mta5.am0.yahoodns.netIN A98.136.96.77mta5.am0.yahoodns.netIN A67.195.204.72mta5.am0.yahoodns.netIN A67.195.228.110
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Remote address:8.8.8.8:53Requestmta5.am0.yahoodns.netIN A
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Remote address:8.8.8.8:53Requestgoogle.comIN MXResponsegoogle.comIN MXsmtp�
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Remote address:8.8.8.8:53Requestsmtp.google.comIN AResponsesmtp.google.comIN A142.251.173.26smtp.google.comIN A64.233.184.26smtp.google.comIN A142.251.168.26smtp.google.comIN A64.233.184.27smtp.google.comIN A142.251.168.27
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Remote address:8.8.8.8:53Requestmail.ruIN MXResponsemail.ruIN MXmxs�
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Remote address:8.8.8.8:53Requestmxs.mail.ruIN AResponsemxs.mail.ruIN A94.100.180.31mxs.mail.ruIN A217.69.139.150
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190 B 92 B 4 2
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152 B 3
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152 B 3
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152 B 3
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152 B 3
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152 B 3
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152 B 3
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152 B 3
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59 B 139 B 1 1
DNS Request
microsoft.com
DNS Response
20.76.201.17120.231.239.24620.236.44.16220.70.246.2020.112.250.133
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59 B 113 B 1 1
DNS Request
microsoft.com
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87 B 151 B 1 1
DNS Request
microsoft-com.mail.protection.outlook.com
DNS Response
52.101.40.2652.101.8.4952.101.11.052.101.42.0
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55 B 134 B 1 1
DNS Request
yahoo.com
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134 B 195 B 2 1
DNS Request
mta5.am0.yahoodns.net
DNS Request
mta5.am0.yahoodns.net
DNS Response
67.195.228.9498.136.96.9198.136.96.7567.195.204.7367.195.204.7498.136.96.7767.195.204.7267.195.228.110
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56 B 77 B 1 1
DNS Request
google.com
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61 B 141 B 1 1
DNS Request
smtp.google.com
DNS Response
142.251.173.2664.233.184.26142.251.168.2664.233.184.27142.251.168.27
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53 B 73 B 1 1
DNS Request
mail.ru
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57 B 89 B 1 1
DNS Request
mxs.mail.ru
DNS Response
94.100.180.31217.69.139.150
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
10.0MB
MD53b38b1255f4f8f7f894edf96ce0b63cf
SHA1f58ad45c5ec4e1bf4f4df4215f23d2a35da9a771
SHA256c3b55025f94c97105fc1b856bee38ee1cc3b99fe4b81b2fb1cbb5b4e52c71db9
SHA51276564763196c654800b2d756e9188b45185fc07612687811f8e89ca9a7ae3bc2d0d2639963ca5f20380fd0175447952297f08b2d1924d2d1410877adaad5015c