tofsee | d719af4c9c249a50ea42eb6f01f559855748abd528c324358621eee50430bf14

Analysis

max time kernel
144s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-02-2025 14:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe
Size

13.6MB
MD5

29e1126fcba68248296bf20009a68bac
SHA1

699dd7a56331e9d5c247f905df57cc08222f897b
SHA256

d719af4c9c249a50ea42eb6f01f559855748abd528c324358621eee50430bf14
SHA512

0d491b7b020e667a648086e348d3f968a9870a11ad92ce189e7979a0e18bbce8107ed3e6e2b6f6de1b2f864155098c9279e8e4fddbdaa2b831343a0370686b49
SSDEEP

24576:t/0dLk3X4ICvkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkL:F0dLk3ohU

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

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

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\bgbqahdy = "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

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2780	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\bgbqahdy\ImagePath = "C:\\Windows\\SysWOW64\\bgbqahdy\\cflfufqw.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2216	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2628	cflfufqw.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2628 set thread context of 2216	2628	cflfufqw.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2708	sc.exe
1108	sc.exe
2832	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cflfufqw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2748	2808	2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe	30
PID 2808 wrote to memory of 2748	2808	2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe	30
PID 2808 wrote to memory of 2748	2808	2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe	30
PID 2808 wrote to memory of 2748	2808	2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe	30
PID 2808 wrote to memory of 2932	2808	2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe	32
PID 2808 wrote to memory of 2932	2808	2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe	32
PID 2808 wrote to memory of 2932	2808	2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe	32
PID 2808 wrote to memory of 2932	2808	2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe	32
PID 2808 wrote to memory of 2708	2808	2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe	34
PID 2808 wrote to memory of 2708	2808	2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe	34
PID 2808 wrote to memory of 2708	2808	2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe	34
PID 2808 wrote to memory of 2708	2808	2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe	34
PID 2808 wrote to memory of 1108	2808	2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe	36
PID 2808 wrote to memory of 1108	2808	2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe	36
PID 2808 wrote to memory of 1108	2808	2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe	36
PID 2808 wrote to memory of 1108	2808	2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe	36
PID 2808 wrote to memory of 2832	2808	2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe	38
PID 2808 wrote to memory of 2832	2808	2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe	38
PID 2808 wrote to memory of 2832	2808	2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe	38
PID 2808 wrote to memory of 2832	2808	2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe	38
PID 2628 wrote to memory of 2216	2628	cflfufqw.exe	41
PID 2628 wrote to memory of 2216	2628	cflfufqw.exe	41
PID 2628 wrote to memory of 2216	2628	cflfufqw.exe	41
PID 2628 wrote to memory of 2216	2628	cflfufqw.exe	41
PID 2628 wrote to memory of 2216	2628	cflfufqw.exe	41
PID 2628 wrote to memory of 2216	2628	cflfufqw.exe	41
PID 2808 wrote to memory of 2780	2808	2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe	42
PID 2808 wrote to memory of 2780	2808	2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe	42
PID 2808 wrote to memory of 2780	2808	2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe	42
PID 2808 wrote to memory of 2780	2808	2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\bgbqahdy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2748
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\cflfufqw.exe" C:\Windows\SysWOW64\bgbqahdy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2932
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create bgbqahdy binPath= "C:\Windows\SysWOW64\bgbqahdy\cflfufqw.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2708
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description bgbqahdy "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1108
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start bgbqahdy
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2832
- 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:2780

C:\Windows\SysWOW64\bgbqahdy\cflfufqw.exe
C:\Windows\SysWOW64\bgbqahdy\cflfufqw.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-06_29e1126fcba68248296bf20009a68bac_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2628
- 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:2216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
12.2MB

MD5
da42c9ecd9bb776520fdbc83d11e070a

SHA1
98e2bb7d41a059c27b11653c61e3a16fbe5e2c40

SHA256
2b9f75a687ac759a26eea6605480b22ca6e6f5e3ac4d61e18a0f3e3663697bc9

SHA512
5b21f3458a4ca69abb0c44bff025629e728400db2dc262a56888f521349ae2d11b3efbed8505005b1d07adf3922ac0f37524664b2c958c4072097b028559bd2a

Download Submit
memory/2216-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2216-8-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2216-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2216-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2216-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2628-13-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2808-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2808-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2808-1-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/2808-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2808-14-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2808-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads