tofsee | df262ac57db73e286fb2c5e2f9565c948ced4ef7a078b79fb58a566f9bde381d

General

Target

2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe
Size

13.1MB
MD5

5e15ab1ff2fd29ddfd090e5a675e8569
SHA1

54053e5403871decfe48fab22f77a41bcdcb168e
SHA256

df262ac57db73e286fb2c5e2f9565c948ced4ef7a078b79fb58a566f9bde381d
SHA512

d9aae32da5d99086fdcf48bfbe449f53afe08bf49d5ba1e4ad63feb1635c168e8bbbf1e4f0c54f76deba7d293c22854eef9309d4c2be4ebf0b8a71b15673cf67
SSDEEP

393216:JXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX3:

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
2464	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\ghujyfmw\ImagePath = "C:\\Windows\\SysWOW64\\ghujyfmw\\wqqhsbsu.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-1-5-21-805940606-1861219160-370298170-1000\Control Panel\International\Geo\Nation	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe

Deletes itself 1 IoCs

pid	Process
3844	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4544	wqqhsbsu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4544 set thread context of 3844	4544	wqqhsbsu.exe	99

Launches sc.exe 3 IoCs

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

pid	Process
2608	sc.exe
4704	sc.exe
748	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	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_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	wqqhsbsu.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
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 1444 wrote to memory of 1312	1444	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	86
PID 1444 wrote to memory of 1312	1444	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	86
PID 1444 wrote to memory of 1312	1444	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	86
PID 1444 wrote to memory of 3384	1444	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	88
PID 1444 wrote to memory of 3384	1444	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	88
PID 1444 wrote to memory of 3384	1444	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	88
PID 1444 wrote to memory of 2608	1444	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	90
PID 1444 wrote to memory of 2608	1444	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	90
PID 1444 wrote to memory of 2608	1444	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	90
PID 1444 wrote to memory of 4704	1444	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	92
PID 1444 wrote to memory of 4704	1444	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	92
PID 1444 wrote to memory of 4704	1444	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	92
PID 1444 wrote to memory of 748	1444	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	94
PID 1444 wrote to memory of 748	1444	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	94
PID 1444 wrote to memory of 748	1444	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	94
PID 1444 wrote to memory of 2464	1444	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	97
PID 1444 wrote to memory of 2464	1444	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	97
PID 1444 wrote to memory of 2464	1444	2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe	97
PID 4544 wrote to memory of 3844	4544	wqqhsbsu.exe	99
PID 4544 wrote to memory of 3844	4544	wqqhsbsu.exe	99
PID 4544 wrote to memory of 3844	4544	wqqhsbsu.exe	99
PID 4544 wrote to memory of 3844	4544	wqqhsbsu.exe	99
PID 4544 wrote to memory of 3844	4544	wqqhsbsu.exe	99

C:\Users\Admin\AppData\Local\Temp\2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1444
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ghujyfmw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1312
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wqqhsbsu.exe" C:\Windows\SysWOW64\ghujyfmw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3384
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ghujyfmw binPath= "C:\Windows\SysWOW64\ghujyfmw\wqqhsbsu.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2608
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ghujyfmw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4704
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ghujyfmw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:748
- 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:2464

C:\Windows\SysWOW64\ghujyfmw\wqqhsbsu.exe
C:\Windows\SysWOW64\ghujyfmw\wqqhsbsu.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_5e15ab1ff2fd29ddfd090e5a675e8569_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4544
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3844

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\wqqhsbsu.exe

Filesize
12.1MB

MD5
9529a80a8f5fcb89d261f915561c9459

SHA1
db170cbfb059a12ad67adca004adbf421291fef2

SHA256
f8cf67bda8995869db2b1161a875cb1f5db0752bbf9deaf39d93543531a82869

SHA512
823facf19d5755797e58aa91cd315785287e0cfe4cb184a5ff2eb747edc6c7a2a7ffb8f9410d0c5c064e712432f0497f5e7303b21509e629bec149bbd77f674a

Download Submit
memory/1444-2-0x00000000005A0000-0x00000000005B3000-memory.dmp

Filesize
76KB

Download
memory/1444-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1444-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1444-8-0x00000000005A0000-0x00000000005B3000-memory.dmp

Filesize
76KB

Download
memory/1444-7-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1444-1-0x00000000004A0000-0x00000000005A0000-memory.dmp

Filesize
1024KB

Download
memory/3844-18-0x00000000008C0000-0x00000000008D5000-memory.dmp

Filesize
84KB

Download
memory/3844-22-0x00000000008C0000-0x00000000008D5000-memory.dmp

Filesize
84KB

Download
memory/3844-21-0x00000000008C0000-0x00000000008D5000-memory.dmp

Filesize
84KB

Download
memory/3844-14-0x00000000008C0000-0x00000000008D5000-memory.dmp

Filesize
84KB

Download
memory/3844-17-0x00000000008C0000-0x00000000008D5000-memory.dmp

Filesize
84KB

Download
memory/4544-12-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4544-20-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4544-13-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4544-11-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads