tofsee | 15173b8c2367421ca5052eff7291025a072238bdae0206489f52f1aae2af08ff

Analysis

max time kernel
146s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02-02-2025 20:19

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General

Target

2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe
Size

13.7MB
MD5

737ba9e14d83e16aa86e04cc9e93a117
SHA1

2aa4ef9acf6fe8a9d10366df577bbe7bb55811c8
SHA256

15173b8c2367421ca5052eff7291025a072238bdae0206489f52f1aae2af08ff
SHA512

32cec82842d8dcd7b568dc1a4e26f6911230d0cef2e99161cf8b72bc267f6fb8ae3ee804617acd047d0ff29002163e38e2710400da7e6f356ab9d20b91008f69
SSDEEP

393216:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX3:

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\ujlikjjj = "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
2696	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\ujlikjjj\ImagePath = "C:\\Windows\\SysWOW64\\ujlikjjj\\vxqbiqeu.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2576	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2864	vxqbiqeu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2864 set thread context of 2576	2864	vxqbiqeu.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2684	sc.exe
2676	sc.exe
2824	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	netsh.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vxqbiqeu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1908 wrote to memory of 2700	1908	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	30
PID 1908 wrote to memory of 2700	1908	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	30
PID 1908 wrote to memory of 2700	1908	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	30
PID 1908 wrote to memory of 2700	1908	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	30
PID 1908 wrote to memory of 2756	1908	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	32
PID 1908 wrote to memory of 2756	1908	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	32
PID 1908 wrote to memory of 2756	1908	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	32
PID 1908 wrote to memory of 2756	1908	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	32
PID 1908 wrote to memory of 2684	1908	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	34
PID 1908 wrote to memory of 2684	1908	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	34
PID 1908 wrote to memory of 2684	1908	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	34
PID 1908 wrote to memory of 2684	1908	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	34
PID 1908 wrote to memory of 2676	1908	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	36
PID 1908 wrote to memory of 2676	1908	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	36
PID 1908 wrote to memory of 2676	1908	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	36
PID 1908 wrote to memory of 2676	1908	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	36
PID 1908 wrote to memory of 2824	1908	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	38
PID 1908 wrote to memory of 2824	1908	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	38
PID 1908 wrote to memory of 2824	1908	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	38
PID 1908 wrote to memory of 2824	1908	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	38
PID 1908 wrote to memory of 2696	1908	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	41
PID 1908 wrote to memory of 2696	1908	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	41
PID 1908 wrote to memory of 2696	1908	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	41
PID 1908 wrote to memory of 2696	1908	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	41
PID 2864 wrote to memory of 2576	2864	vxqbiqeu.exe	43
PID 2864 wrote to memory of 2576	2864	vxqbiqeu.exe	43
PID 2864 wrote to memory of 2576	2864	vxqbiqeu.exe	43
PID 2864 wrote to memory of 2576	2864	vxqbiqeu.exe	43
PID 2864 wrote to memory of 2576	2864	vxqbiqeu.exe	43
PID 2864 wrote to memory of 2576	2864	vxqbiqeu.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1908
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ujlikjjj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2700
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\vxqbiqeu.exe" C:\Windows\SysWOW64\ujlikjjj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2756
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ujlikjjj binPath= "C:\Windows\SysWOW64\ujlikjjj\vxqbiqeu.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2684
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ujlikjjj "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2676
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ujlikjjj
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2824
- 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:2696

C:\Windows\SysWOW64\ujlikjjj\vxqbiqeu.exe
C:\Windows\SysWOW64\ujlikjjj\vxqbiqeu.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2864
- 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:2576

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\vxqbiqeu.exe

Filesize
10.2MB

MD5
7498005cb459b57ec475a1aed2937529

SHA1
c38777aa56a200f9231ba651b090502743a967d1

SHA256
b0b1ff4660e5fd19fc2aaaf84eab914d3bc677e68b0d89971d56c83cad9580b1

SHA512
32f539e9182882e140060731356bf216f3e59e081b3a9ee9daf04fc91c505cb26618bf43be6dccb0093078819eb348a5ab4cad7e0f7dc2db45269227930c7069

Download Submit
memory/1908-7-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1908-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1908-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1908-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1908-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1908-1-0x0000000000620000-0x0000000000720000-memory.dmp

Filesize
1024KB

Download
memory/2576-16-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2576-14-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2576-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2576-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2576-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2864-17-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads