tofsee | e0c53ebaa3f680c5be10a4752a13bf8071fc814b650cc09ebbad270f927053e8

General

Target

2025-02-01_86e6a98aed9e4d024a2cf74ecaa73dd3_mafia.exe
Size

11.2MB
MD5

86e6a98aed9e4d024a2cf74ecaa73dd3
SHA1

859cbd705bfa33bea070c2860e76431733ffbdbd
SHA256

e0c53ebaa3f680c5be10a4752a13bf8071fc814b650cc09ebbad270f927053e8
SHA512

8b37bdb72358ac09fe02e9c5d4832b1a5d9f824648694b680b802e62283ab51a945a9a39c09bd133a8bf6dd1fa6ddfef347223dc7be6d2ee5e3869c5455b1fb2
SSDEEP

196608:0yXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXS:JXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXi

Score

10^/10

tofsee defense_evasion discovery 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
Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4584	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\ioccxsz\ImagePath = "C:\\Windows\\SysWOW64\\ioccxsz\\boaxqdis.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\Control Panel\International\Geo\Nation	2025-02-01_86e6a98aed9e4d024a2cf74ecaa73dd3_mafia.exe

Deletes itself 1 IoCs

pid	Process
2432	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3592	boaxqdis.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3592 set thread context of 2432	3592	boaxqdis.exe	97

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
1152	sc.exe
1684	sc.exe
2036	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

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

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	boaxqdis.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-01_86e6a98aed9e4d024a2cf74ecaa73dd3_mafia.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	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 1504	2844	2025-02-01_86e6a98aed9e4d024a2cf74ecaa73dd3_mafia.exe	86
PID 2844 wrote to memory of 1504	2844	2025-02-01_86e6a98aed9e4d024a2cf74ecaa73dd3_mafia.exe	86
PID 2844 wrote to memory of 1504	2844	2025-02-01_86e6a98aed9e4d024a2cf74ecaa73dd3_mafia.exe	86
PID 2844 wrote to memory of 404	2844	2025-02-01_86e6a98aed9e4d024a2cf74ecaa73dd3_mafia.exe	88
PID 2844 wrote to memory of 404	2844	2025-02-01_86e6a98aed9e4d024a2cf74ecaa73dd3_mafia.exe	88
PID 2844 wrote to memory of 404	2844	2025-02-01_86e6a98aed9e4d024a2cf74ecaa73dd3_mafia.exe	88
PID 2844 wrote to memory of 1152	2844	2025-02-01_86e6a98aed9e4d024a2cf74ecaa73dd3_mafia.exe	90
PID 2844 wrote to memory of 1152	2844	2025-02-01_86e6a98aed9e4d024a2cf74ecaa73dd3_mafia.exe	90
PID 2844 wrote to memory of 1152	2844	2025-02-01_86e6a98aed9e4d024a2cf74ecaa73dd3_mafia.exe	90
PID 2844 wrote to memory of 1684	2844	2025-02-01_86e6a98aed9e4d024a2cf74ecaa73dd3_mafia.exe	92
PID 2844 wrote to memory of 1684	2844	2025-02-01_86e6a98aed9e4d024a2cf74ecaa73dd3_mafia.exe	92
PID 2844 wrote to memory of 1684	2844	2025-02-01_86e6a98aed9e4d024a2cf74ecaa73dd3_mafia.exe	92
PID 2844 wrote to memory of 2036	2844	2025-02-01_86e6a98aed9e4d024a2cf74ecaa73dd3_mafia.exe	94
PID 2844 wrote to memory of 2036	2844	2025-02-01_86e6a98aed9e4d024a2cf74ecaa73dd3_mafia.exe	94
PID 2844 wrote to memory of 2036	2844	2025-02-01_86e6a98aed9e4d024a2cf74ecaa73dd3_mafia.exe	94
PID 3592 wrote to memory of 2432	3592	boaxqdis.exe	97
PID 3592 wrote to memory of 2432	3592	boaxqdis.exe	97
PID 3592 wrote to memory of 2432	3592	boaxqdis.exe	97
PID 3592 wrote to memory of 2432	3592	boaxqdis.exe	97
PID 3592 wrote to memory of 2432	3592	boaxqdis.exe	97
PID 2844 wrote to memory of 4584	2844	2025-02-01_86e6a98aed9e4d024a2cf74ecaa73dd3_mafia.exe	98
PID 2844 wrote to memory of 4584	2844	2025-02-01_86e6a98aed9e4d024a2cf74ecaa73dd3_mafia.exe	98
PID 2844 wrote to memory of 4584	2844	2025-02-01_86e6a98aed9e4d024a2cf74ecaa73dd3_mafia.exe	98

C:\Users\Admin\AppData\Local\Temp\2025-02-01_86e6a98aed9e4d024a2cf74ecaa73dd3_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_86e6a98aed9e4d024a2cf74ecaa73dd3_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2844
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ioccxsz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1504
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\boaxqdis.exe" C:\Windows\SysWOW64\ioccxsz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:404
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ioccxsz binPath= "C:\Windows\SysWOW64\ioccxsz\boaxqdis.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_86e6a98aed9e4d024a2cf74ecaa73dd3_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1152
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ioccxsz "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1684
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ioccxsz
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2036
- 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:4584

C:\Windows\SysWOW64\ioccxsz\boaxqdis.exe
C:\Windows\SysWOW64\ioccxsz\boaxqdis.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_86e6a98aed9e4d024a2cf74ecaa73dd3_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3592
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2432

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

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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\boaxqdis.exe

Filesize
12.6MB

MD5
6b30e0383a9557c6281910682b6d9247

SHA1
af4bc8cb8a08f9fd221d9bb4fa7e3cdb20277ff9

SHA256
db218107b70f83d1194c1ce9f8146775a859ac542b26d8b254b0cfce548207f8

SHA512
ea729c69b01fce2b4bcee858b2b251d8603ef4066b83732d033a7b820389fbca47ccfa7169b8e32963e575334f8e65e11a32aab2c48264a18a6e42fc4fd44e25

Download Submit
memory/2432-22-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2432-21-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2432-11-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2432-20-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2432-16-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2844-19-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2844-1-0x0000000000640000-0x0000000000740000-memory.dmp

Filesize
1024KB

Download
memory/2844-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2844-2-0x0000000000570000-0x0000000000583000-memory.dmp

Filesize
76KB

Download
memory/2844-18-0x0000000000570000-0x0000000000583000-memory.dmp

Filesize
76KB

Download
memory/2844-17-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3592-10-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3592-15-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3592-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3592-9-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads