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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
28/01/2025, 17:29
Static task
static1
Behavioral task
behavioral1
Sample
2025-01-28_3d6eefda163d7f4ebf4dfc4c46426110_mafia.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2025-01-28_3d6eefda163d7f4ebf4dfc4c46426110_mafia.exe
Resource
win10v2004-20241007-en
General
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Target
2025-01-28_3d6eefda163d7f4ebf4dfc4c46426110_mafia.exe
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Size
12.8MB
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MD5
3d6eefda163d7f4ebf4dfc4c46426110
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SHA1
b8307ffee2975a25abd1cda73735724e7521d228
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SHA256
41c20c399f19561f0c2f65baee9a5ba7a0c93c001b78144f891de3aab46c251c
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SHA512
23b2f27978778ab87338d8ac807ed5c3bc48fd0c88ac55d5858e328356a303ea0c3f39a863c974f17cc56aad97e1b817779a11fac49602c10c72a985bd12c293
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SSDEEP
24576:BpomTTN9ttttttttttttttttttttttttttttttttttttttttttttttttttttttt1:boo
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 1748 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\tcybmxdj\ImagePath = "C:\\Windows\\SysWOW64\\tcybmxdj\\gibmtbpf.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation 2025-01-28_3d6eefda163d7f4ebf4dfc4c46426110_mafia.exe -
Deletes itself 1 IoCs
pid Process 3392 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 1064 gibmtbpf.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1064 set thread context of 3392 1064 gibmtbpf.exe 100 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4172 sc.exe 4416 sc.exe 4564 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 3532 4860 WerFault.exe 82 1480 1064 WerFault.exe 93 -
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_3d6eefda163d7f4ebf4dfc4c46426110_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 gibmtbpf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.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 23 IoCs
description pid Process procid_target PID 4860 wrote to memory of 2704 4860 2025-01-28_3d6eefda163d7f4ebf4dfc4c46426110_mafia.exe 83 PID 4860 wrote to memory of 2704 4860 2025-01-28_3d6eefda163d7f4ebf4dfc4c46426110_mafia.exe 83 PID 4860 wrote to memory of 2704 4860 2025-01-28_3d6eefda163d7f4ebf4dfc4c46426110_mafia.exe 83 PID 4860 wrote to memory of 1972 4860 2025-01-28_3d6eefda163d7f4ebf4dfc4c46426110_mafia.exe 85 PID 4860 wrote to memory of 1972 4860 2025-01-28_3d6eefda163d7f4ebf4dfc4c46426110_mafia.exe 85 PID 4860 wrote to memory of 1972 4860 2025-01-28_3d6eefda163d7f4ebf4dfc4c46426110_mafia.exe 85 PID 4860 wrote to memory of 4172 4860 2025-01-28_3d6eefda163d7f4ebf4dfc4c46426110_mafia.exe 87 PID 4860 wrote to memory of 4172 4860 2025-01-28_3d6eefda163d7f4ebf4dfc4c46426110_mafia.exe 87 PID 4860 wrote to memory of 4172 4860 2025-01-28_3d6eefda163d7f4ebf4dfc4c46426110_mafia.exe 87 PID 4860 wrote to memory of 4416 4860 2025-01-28_3d6eefda163d7f4ebf4dfc4c46426110_mafia.exe 89 PID 4860 wrote to memory of 4416 4860 2025-01-28_3d6eefda163d7f4ebf4dfc4c46426110_mafia.exe 89 PID 4860 wrote to memory of 4416 4860 2025-01-28_3d6eefda163d7f4ebf4dfc4c46426110_mafia.exe 89 PID 4860 wrote to memory of 4564 4860 2025-01-28_3d6eefda163d7f4ebf4dfc4c46426110_mafia.exe 91 PID 4860 wrote to memory of 4564 4860 2025-01-28_3d6eefda163d7f4ebf4dfc4c46426110_mafia.exe 91 PID 4860 wrote to memory of 4564 4860 2025-01-28_3d6eefda163d7f4ebf4dfc4c46426110_mafia.exe 91 PID 4860 wrote to memory of 1748 4860 2025-01-28_3d6eefda163d7f4ebf4dfc4c46426110_mafia.exe 94 PID 4860 wrote to memory of 1748 4860 2025-01-28_3d6eefda163d7f4ebf4dfc4c46426110_mafia.exe 94 PID 4860 wrote to memory of 1748 4860 2025-01-28_3d6eefda163d7f4ebf4dfc4c46426110_mafia.exe 94 PID 1064 wrote to memory of 3392 1064 gibmtbpf.exe 100 PID 1064 wrote to memory of 3392 1064 gibmtbpf.exe 100 PID 1064 wrote to memory of 3392 1064 gibmtbpf.exe 100 PID 1064 wrote to memory of 3392 1064 gibmtbpf.exe 100 PID 1064 wrote to memory of 3392 1064 gibmtbpf.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-01-28_3d6eefda163d7f4ebf4dfc4c46426110_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-28_3d6eefda163d7f4ebf4dfc4c46426110_mafia.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4860 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tcybmxdj\2⤵
- System Location Discovery: System Language Discovery
PID:2704
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gibmtbpf.exe" C:\Windows\SysWOW64\tcybmxdj\2⤵
- System Location Discovery: System Language Discovery
PID:1972
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create tcybmxdj binPath= "C:\Windows\SysWOW64\tcybmxdj\gibmtbpf.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-28_3d6eefda163d7f4ebf4dfc4c46426110_mafia.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4172
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description tcybmxdj "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4416
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start tcybmxdj2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4564
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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:1748
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4860 -s 10282⤵
- Program crash
PID:3532
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C:\Windows\SysWOW64\tcybmxdj\gibmtbpf.exeC:\Windows\SysWOW64\tcybmxdj\gibmtbpf.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-28_3d6eefda163d7f4ebf4dfc4c46426110_mafia.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1064 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:3392
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1064 -s 5122⤵
- Program crash
PID:1480
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4860 -ip 48601⤵PID:4900
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 1064 -ip 10641⤵PID:648
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
10.0MB
MD565c919290eeb33a5ed781e4443a1f47a
SHA1052d7ffa0e0e0b167d501cbc9859c0afdff3826b
SHA256f4dd7467103952767dabd02879631611b64a25843aacd5f110a614a013b55cfb
SHA5128436795f16f02908dccd8e3b86582a77102b1850101addf706c1823fd5198d6554292922265d45dc8c4ce2f1e15262a9ab0fe6eafebf6a03ac31eb4fd0d5bd7b