tofsee | 6cd9f7868726fa5ef1d0ea8bd4aa00c857e7516120d50450c2b6a1cd142a5674

Analysis

max time kernel
143s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/02/2025, 20:24

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General

Target

2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe
Size

13.3MB
MD5

9739bd31ccba52850ff72b006ef94365
SHA1

64e899441d185f6a614b2a4bd5442b1daa016bc4
SHA256

6cd9f7868726fa5ef1d0ea8bd4aa00c857e7516120d50450c2b6a1cd142a5674
SHA512

fb8be82db6d79eb50e6be8017e39ac504d8153b27768d2341991869b56e34a4f0ff200b877f1fcc97ab112fa74dbe331af3a441ebd6e2b662a8acff77bd64d90
SSDEEP

24576:TEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZF:Afot

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\mvqvppji = "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
2768	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\mvqvppji\ImagePath = "C:\\Windows\\SysWOW64\\mvqvppji\\acvgnvjz.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2736	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2820	acvgnvjz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2820 set thread context of 2736	2820	acvgnvjz.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2836	sc.exe
2268	sc.exe
2760	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	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	acvgnvjz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.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 2068 wrote to memory of 3052	2068	2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe	30
PID 2068 wrote to memory of 3052	2068	2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe	30
PID 2068 wrote to memory of 3052	2068	2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe	30
PID 2068 wrote to memory of 3052	2068	2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe	30
PID 2068 wrote to memory of 2348	2068	2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe	32
PID 2068 wrote to memory of 2348	2068	2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe	32
PID 2068 wrote to memory of 2348	2068	2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe	32
PID 2068 wrote to memory of 2348	2068	2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe	32
PID 2068 wrote to memory of 2268	2068	2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe	34
PID 2068 wrote to memory of 2268	2068	2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe	34
PID 2068 wrote to memory of 2268	2068	2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe	34
PID 2068 wrote to memory of 2268	2068	2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe	34
PID 2068 wrote to memory of 2760	2068	2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe	36
PID 2068 wrote to memory of 2760	2068	2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe	36
PID 2068 wrote to memory of 2760	2068	2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe	36
PID 2068 wrote to memory of 2760	2068	2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe	36
PID 2068 wrote to memory of 2836	2068	2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe	38
PID 2068 wrote to memory of 2836	2068	2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe	38
PID 2068 wrote to memory of 2836	2068	2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe	38
PID 2068 wrote to memory of 2836	2068	2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe	38
PID 2068 wrote to memory of 2768	2068	2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe	41
PID 2068 wrote to memory of 2768	2068	2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe	41
PID 2068 wrote to memory of 2768	2068	2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe	41
PID 2068 wrote to memory of 2768	2068	2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe	41
PID 2820 wrote to memory of 2736	2820	acvgnvjz.exe	43
PID 2820 wrote to memory of 2736	2820	acvgnvjz.exe	43
PID 2820 wrote to memory of 2736	2820	acvgnvjz.exe	43
PID 2820 wrote to memory of 2736	2820	acvgnvjz.exe	43
PID 2820 wrote to memory of 2736	2820	acvgnvjz.exe	43
PID 2820 wrote to memory of 2736	2820	acvgnvjz.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mvqvppji\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3052
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\acvgnvjz.exe" C:\Windows\SysWOW64\mvqvppji\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2348
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create mvqvppji binPath= "C:\Windows\SysWOW64\mvqvppji\acvgnvjz.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2268
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description mvqvppji "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2760
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start mvqvppji
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2836
- 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:2768

C:\Windows\SysWOW64\mvqvppji\acvgnvjz.exe
C:\Windows\SysWOW64\mvqvppji\acvgnvjz.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-02_9739bd31ccba52850ff72b006ef94365_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2820
- 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:2736

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\acvgnvjz.exe

Filesize
11.3MB

MD5
6eec007b43b1ccc13bd1ad9115df4344

SHA1
5a344176eb3adfd474306ac735565a6eab9d63a3

SHA256
e947caa315bf94ad742fba6bfc01ce08cdb4076f965a09cbd6bdfaf746217232

SHA512
a40e3ca6a7fc6cccbfe19797a759cae8b6c81341fe7194d3e8404adceec4db533f713675a1a48c9888f475f6d4026b50e6bf1e5f8912928883303989a7dfaf21

Download Submit
memory/2068-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2068-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2068-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2068-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2068-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2068-1-0x0000000000890000-0x0000000000990000-memory.dmp

Filesize
1024KB

Download
memory/2736-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2736-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2736-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2736-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2736-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2820-17-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads