tofsee | c492e69935df24e166566ad0b7ee29cd8dce4b97db8468bab093acb69682cecf

Analysis

max time kernel
147s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07-02-2025 21:07

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General

Target

2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe
Size

11.5MB
MD5

1cc5a710fce7df0e010b58bb0cf7e958
SHA1

dc2318dc321f5a3bc75a7ed77196551bc1fd5f70
SHA256

c492e69935df24e166566ad0b7ee29cd8dce4b97db8468bab093acb69682cecf
SHA512

1dd3f415f569491818c76e4327c88bab68edfe3e380a341b0cb29d1b55195f7b3f7e6552dd6d6ebb7c8bde813a57478e3f6fe3c3be59b6f95d81d17936f85ec0
SSDEEP

24576:96WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQH:sWdLQk

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\nqlgczwb = "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
2956	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\nqlgczwb\ImagePath = "C:\\Windows\\SysWOW64\\nqlgczwb\\cflfufqw.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2856	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2704	cflfufqw.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2704 set thread context of 2856	2704	cflfufqw.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2876	sc.exe
2944	sc.exe
3020	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	sc.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cflfufqw.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 2964	2344	2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe	29
PID 2344 wrote to memory of 2964	2344	2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe	29
PID 2344 wrote to memory of 2964	2344	2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe	29
PID 2344 wrote to memory of 2964	2344	2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe	29
PID 2344 wrote to memory of 2484	2344	2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe	31
PID 2344 wrote to memory of 2484	2344	2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe	31
PID 2344 wrote to memory of 2484	2344	2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe	31
PID 2344 wrote to memory of 2484	2344	2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe	31
PID 2344 wrote to memory of 2876	2344	2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe	33
PID 2344 wrote to memory of 2876	2344	2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe	33
PID 2344 wrote to memory of 2876	2344	2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe	33
PID 2344 wrote to memory of 2876	2344	2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe	33
PID 2344 wrote to memory of 2944	2344	2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe	35
PID 2344 wrote to memory of 2944	2344	2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe	35
PID 2344 wrote to memory of 2944	2344	2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe	35
PID 2344 wrote to memory of 2944	2344	2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe	35
PID 2344 wrote to memory of 3020	2344	2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe	37
PID 2344 wrote to memory of 3020	2344	2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe	37
PID 2344 wrote to memory of 3020	2344	2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe	37
PID 2344 wrote to memory of 3020	2344	2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe	37
PID 2344 wrote to memory of 2956	2344	2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe	39
PID 2344 wrote to memory of 2956	2344	2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe	39
PID 2344 wrote to memory of 2956	2344	2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe	39
PID 2344 wrote to memory of 2956	2344	2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe	39
PID 2704 wrote to memory of 2856	2704	cflfufqw.exe	42
PID 2704 wrote to memory of 2856	2704	cflfufqw.exe	42
PID 2704 wrote to memory of 2856	2704	cflfufqw.exe	42
PID 2704 wrote to memory of 2856	2704	cflfufqw.exe	42
PID 2704 wrote to memory of 2856	2704	cflfufqw.exe	42
PID 2704 wrote to memory of 2856	2704	cflfufqw.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2344
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\nqlgczwb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2964
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\cflfufqw.exe" C:\Windows\SysWOW64\nqlgczwb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2484
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create nqlgczwb binPath= "C:\Windows\SysWOW64\nqlgczwb\cflfufqw.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2876
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description nqlgczwb "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2944
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start nqlgczwb
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3020
- 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:2956

C:\Windows\SysWOW64\nqlgczwb\cflfufqw.exe
C:\Windows\SysWOW64\nqlgczwb\cflfufqw.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-07_1cc5a710fce7df0e010b58bb0cf7e958_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2704
- 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:2856

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

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Downloads

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

Filesize
10.6MB

MD5
008b56858a94f5f5993e635b81f006fc

SHA1
049d48070ffbdbdd5adb87a59ffc13d3a376483d

SHA256
ab04ee9d47484c08f20b640fb24ea4d34a805893433780748f3261132c8f0d7f

SHA512
8465efafc95ee76698f1d00b4bc1f90db2428f6d81cd78ffa3a897a662f4879a9c9b001efe72ed514e7d663d090e533dcd7c0804581f94f5a48bd09619fd7d9f

Download Submit
memory/2344-6-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2344-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2344-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2344-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2344-7-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2344-1-0x00000000004C0000-0x00000000005C0000-memory.dmp

Filesize
1024KB

Download
memory/2704-15-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2856-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2856-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2856-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2856-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2856-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads