tofsee | f3c8f72b269efbdc3c0bb1c776ea3ac7863ab31a3e6d30aab28dbbf4f9f3b980

Analysis

max time kernel
141s
max time network
128s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07-02-2025 18:58

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General

Target

2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe
Size

11.0MB
MD5

f9e35f1c8be8908caf8c817a858d2c4f
SHA1

cd007199ef15ccbcbca51fe7b383b86902142fad
SHA256

f3c8f72b269efbdc3c0bb1c776ea3ac7863ab31a3e6d30aab28dbbf4f9f3b980
SHA512

3bd24a2b5257f64af3633fbafc77d98979e2d74daa4b8abbd70887b4381a47940a087fef270f938d00d730a83da4ecfad33eb1139e84b0315ca7e2bb19800c17
SSDEEP

49152:qqENTT4HAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAk:qqIT

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\wxbjhiiq = "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
2632	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\wxbjhiiq\ImagePath = "C:\\Windows\\SysWOW64\\wxbjhiiq\\nwqvnmhd.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2624	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2144	nwqvnmhd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2144 set thread context of 2624	2144	nwqvnmhd.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2940	sc.exe
2948	sc.exe
2684	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	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_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nwqvnmhd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 2852	2848	2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe	30
PID 2848 wrote to memory of 2852	2848	2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe	30
PID 2848 wrote to memory of 2852	2848	2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe	30
PID 2848 wrote to memory of 2852	2848	2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe	30
PID 2848 wrote to memory of 2492	2848	2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe	32
PID 2848 wrote to memory of 2492	2848	2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe	32
PID 2848 wrote to memory of 2492	2848	2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe	32
PID 2848 wrote to memory of 2492	2848	2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe	32
PID 2848 wrote to memory of 2940	2848	2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe	34
PID 2848 wrote to memory of 2940	2848	2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe	34
PID 2848 wrote to memory of 2940	2848	2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe	34
PID 2848 wrote to memory of 2940	2848	2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe	34
PID 2848 wrote to memory of 2948	2848	2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe	36
PID 2848 wrote to memory of 2948	2848	2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe	36
PID 2848 wrote to memory of 2948	2848	2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe	36
PID 2848 wrote to memory of 2948	2848	2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe	36
PID 2848 wrote to memory of 2684	2848	2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe	38
PID 2848 wrote to memory of 2684	2848	2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe	38
PID 2848 wrote to memory of 2684	2848	2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe	38
PID 2848 wrote to memory of 2684	2848	2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe	38
PID 2848 wrote to memory of 2632	2848	2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe	40
PID 2848 wrote to memory of 2632	2848	2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe	40
PID 2848 wrote to memory of 2632	2848	2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe	40
PID 2848 wrote to memory of 2632	2848	2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe	40
PID 2144 wrote to memory of 2624	2144	nwqvnmhd.exe	43
PID 2144 wrote to memory of 2624	2144	nwqvnmhd.exe	43
PID 2144 wrote to memory of 2624	2144	nwqvnmhd.exe	43
PID 2144 wrote to memory of 2624	2144	nwqvnmhd.exe	43
PID 2144 wrote to memory of 2624	2144	nwqvnmhd.exe	43
PID 2144 wrote to memory of 2624	2144	nwqvnmhd.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wxbjhiiq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2852
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\nwqvnmhd.exe" C:\Windows\SysWOW64\wxbjhiiq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2492
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wxbjhiiq binPath= "C:\Windows\SysWOW64\wxbjhiiq\nwqvnmhd.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2940
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wxbjhiiq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2948
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wxbjhiiq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2684
- 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:2632

C:\Windows\SysWOW64\wxbjhiiq\nwqvnmhd.exe
C:\Windows\SysWOW64\wxbjhiiq\nwqvnmhd.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-07_f9e35f1c8be8908caf8c817a858d2c4f_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2144
- 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:2624

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\nwqvnmhd.exe

Filesize
10.8MB

MD5
e376a4bbbfbede09b3c522ffa52b5636

SHA1
8d3963f9d24415037388e07136b16f37a4e40950

SHA256
709554927c762418335a7a897484e5759c341f90ab8b6d1f5a8a264cd09fb3e3

SHA512
7975b9343961b23ebe5403d2f7ed0ff761a419e57a6c87f1bc5ac25c7c76e02906d168e64f6bf67d7aea3c35f92c38be0011a71579ed9acd2b41401d19e3b4f9

Download Submit
memory/2144-17-0x0000000000400000-0x0000000002DC4000-memory.dmp

Filesize
41.8MB

Download
memory/2624-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2624-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2624-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2624-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2624-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2848-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2848-7-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2848-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2848-6-0x0000000000400000-0x0000000002DC4000-memory.dmp

Filesize
41.8MB

Download
memory/2848-1-0x0000000002E40000-0x0000000002F40000-memory.dmp

Filesize
1024KB

Download
memory/2848-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads