tofsee | 58a3dc39f0d2c0e812bed7d40e67cb784d778aad1f55fd5dc14ad2280c30b02d

General

Target

2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe
Size

10.8MB
MD5

a712770ab4dd9d92f91603ca8c6d6a15
SHA1

e22c98c9442ced02cd30838345111269abe47343
SHA256

58a3dc39f0d2c0e812bed7d40e67cb784d778aad1f55fd5dc14ad2280c30b02d
SHA512

5132db28491d14388fc4481caad34361e8f57f2faffb315a953c8e5696bd0172a32672abf492d645c2f4c0de3c54c6510667fe173e1feffbe5c39d70a859ce88
SSDEEP

49152:3Vdrl/8HAzGCbGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGv:3Vdrl/9zG

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee
Tofsee family
tofsee

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\lwixafck = "0"	svchost.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

2320 netsh.exe

pid	process
2320	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\lwixafck\ImagePath = "C:\\Windows\\SysWOW64\\lwixafck\\tfgavrsp.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2128 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

tfgavrsp.exe

pid process

2960 tfgavrsp.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

tfgavrsp.exe

description pid process target process

PID 2960 set thread context of 2128 2960 tfgavrsp.exe svchost.exe
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exe

pid process

2444 sc.exe
2788 sc.exe
2848 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2128	svchost.exe

pid	process
2960	tfgavrsp.exe

description	pid	process	target process
PID 2960 set thread context of 2128	2960	tfgavrsp.exe	svchost.exe

pid	process
2444	sc.exe
2788	sc.exe
2848	sc.exe

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.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

Processes:

netsh.exe

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.

discovery

System Language Discovery

T1614.001

Processes:

sc.exenetsh.exesvchost.exe2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.execmd.execmd.exesc.exesc.exetfgavrsp.exe

description	ioc	process
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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_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	tfgavrsp.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exetfgavrsp.exe

description	pid	process	target process
PID 2656 wrote to memory of 2608	2656	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	cmd.exe
PID 2656 wrote to memory of 2608	2656	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	cmd.exe
PID 2656 wrote to memory of 2608	2656	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	cmd.exe
PID 2656 wrote to memory of 2608	2656	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	cmd.exe
PID 2656 wrote to memory of 2508	2656	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	cmd.exe
PID 2656 wrote to memory of 2508	2656	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	cmd.exe
PID 2656 wrote to memory of 2508	2656	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	cmd.exe
PID 2656 wrote to memory of 2508	2656	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	cmd.exe
PID 2656 wrote to memory of 2444	2656	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	sc.exe
PID 2656 wrote to memory of 2444	2656	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	sc.exe
PID 2656 wrote to memory of 2444	2656	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	sc.exe
PID 2656 wrote to memory of 2444	2656	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	sc.exe
PID 2656 wrote to memory of 2788	2656	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	sc.exe
PID 2656 wrote to memory of 2788	2656	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	sc.exe
PID 2656 wrote to memory of 2788	2656	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	sc.exe
PID 2656 wrote to memory of 2788	2656	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	sc.exe
PID 2656 wrote to memory of 2848	2656	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	sc.exe
PID 2656 wrote to memory of 2848	2656	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	sc.exe
PID 2656 wrote to memory of 2848	2656	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	sc.exe
PID 2656 wrote to memory of 2848	2656	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	sc.exe
PID 2656 wrote to memory of 2320	2656	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	netsh.exe
PID 2656 wrote to memory of 2320	2656	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	netsh.exe
PID 2656 wrote to memory of 2320	2656	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	netsh.exe
PID 2656 wrote to memory of 2320	2656	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	netsh.exe
PID 2960 wrote to memory of 2128	2960	tfgavrsp.exe	svchost.exe
PID 2960 wrote to memory of 2128	2960	tfgavrsp.exe	svchost.exe
PID 2960 wrote to memory of 2128	2960	tfgavrsp.exe	svchost.exe
PID 2960 wrote to memory of 2128	2960	tfgavrsp.exe	svchost.exe
PID 2960 wrote to memory of 2128	2960	tfgavrsp.exe	svchost.exe
PID 2960 wrote to memory of 2128	2960	tfgavrsp.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2656
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lwixafck\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2608
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tfgavrsp.exe" C:\Windows\SysWOW64\lwixafck\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2508
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lwixafck binPath= "C:\Windows\SysWOW64\lwixafck\tfgavrsp.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2444
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lwixafck "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2788
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lwixafck
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2848
- 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>nul
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:2320

C:\Windows\SysWOW64\lwixafck\tfgavrsp.exe
C:\Windows\SysWOW64\lwixafck\tfgavrsp.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2960
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2128

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify System Firewall

1

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tfgavrsp.exe

Filesize
13.9MB

MD5
7fcfceceb1cff260958cc202f66bffda

SHA1
dd1a614f6ce32e87a6e93294af6464aea3d2d2e2

SHA256
5b5380a08f6c0eb635ca9f3342e1187a5e207ec7c7e340b1861fd1fa2cfcfc6b

SHA512
114c4289557298ef6bb17aae8c29a423b9c350f0713b4631d0ddbbe47aba4dcfaceb7e40a0c4c7184cdc25a925c1caac071c76f3722ed1c91307728a38cbf5b7

Download Submit
memory/2128-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2128-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2128-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2128-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2128-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2656-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2656-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2656-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2656-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2656-7-0x0000000000400000-0x0000000000518000-memory.dmp

Filesize
1.1MB

Download
memory/2656-1-0x00000000005C0000-0x00000000006C0000-memory.dmp

Filesize
1024KB

Download
memory/2960-17-0x0000000000400000-0x0000000000518000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads