tofsee | fb2fa847a71466bb96ed80e586855c44b9522a61be554bc3baeac519fb1b97fc

Analysis

max time kernel
147s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
02-02-2025 20:09

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General

Target

2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe
Size

14.9MB
MD5

1705f6e9eef537fcdde2eb5f74100873
SHA1

63351f6c99df692f9d2a06e7b810df741a356f42
SHA256

fb2fa847a71466bb96ed80e586855c44b9522a61be554bc3baeac519fb1b97fc
SHA512

e1fffcc34e20fccc99d246280eba2d009916d1370d7d32105689f84771f1f1e427e71711ecc1e3bc1efe0464d4a32c98e4fa82317b1c9c030bb28170517909bb
SSDEEP

24576:bEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZf:ofot

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\tkwpkcqk = "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
1752	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\tkwpkcqk\ImagePath = "C:\\Windows\\SysWOW64\\tkwpkcqk\\mpvpepag.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2740	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2848	mpvpepag.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2848 set thread context of 2740	2848	mpvpepag.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2764	sc.exe
1600	sc.exe
2328	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mpvpepag.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.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	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 2804	1612	2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe	30
PID 1612 wrote to memory of 2804	1612	2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe	30
PID 1612 wrote to memory of 2804	1612	2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe	30
PID 1612 wrote to memory of 2804	1612	2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe	30
PID 1612 wrote to memory of 2876	1612	2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe	32
PID 1612 wrote to memory of 2876	1612	2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe	32
PID 1612 wrote to memory of 2876	1612	2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe	32
PID 1612 wrote to memory of 2876	1612	2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe	32
PID 1612 wrote to memory of 1600	1612	2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe	34
PID 1612 wrote to memory of 1600	1612	2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe	34
PID 1612 wrote to memory of 1600	1612	2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe	34
PID 1612 wrote to memory of 1600	1612	2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe	34
PID 1612 wrote to memory of 2328	1612	2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe	36
PID 1612 wrote to memory of 2328	1612	2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe	36
PID 1612 wrote to memory of 2328	1612	2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe	36
PID 1612 wrote to memory of 2328	1612	2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe	36
PID 1612 wrote to memory of 2764	1612	2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe	38
PID 1612 wrote to memory of 2764	1612	2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe	38
PID 1612 wrote to memory of 2764	1612	2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe	38
PID 1612 wrote to memory of 2764	1612	2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe	38
PID 1612 wrote to memory of 1752	1612	2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe	40
PID 1612 wrote to memory of 1752	1612	2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe	40
PID 1612 wrote to memory of 1752	1612	2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe	40
PID 1612 wrote to memory of 1752	1612	2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe	40
PID 2848 wrote to memory of 2740	2848	mpvpepag.exe	43
PID 2848 wrote to memory of 2740	2848	mpvpepag.exe	43
PID 2848 wrote to memory of 2740	2848	mpvpepag.exe	43
PID 2848 wrote to memory of 2740	2848	mpvpepag.exe	43
PID 2848 wrote to memory of 2740	2848	mpvpepag.exe	43
PID 2848 wrote to memory of 2740	2848	mpvpepag.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tkwpkcqk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2804
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\mpvpepag.exe" C:\Windows\SysWOW64\tkwpkcqk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2876
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create tkwpkcqk binPath= "C:\Windows\SysWOW64\tkwpkcqk\mpvpepag.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1600
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description tkwpkcqk "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2328
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start tkwpkcqk
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2764
- 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:1752

C:\Windows\SysWOW64\tkwpkcqk\mpvpepag.exe
C:\Windows\SysWOW64\tkwpkcqk\mpvpepag.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-02_1705f6e9eef537fcdde2eb5f74100873_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2848
- 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:2740

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\mpvpepag.exe

Filesize
10.6MB

MD5
c3695e54abd7c5b4d17f9c0e28951522

SHA1
279feb8c328390aaa9bae92d4ae6716516ae7d0e

SHA256
839e4447a21670f4b55be74abb8733066668d51e1014c1123bd80ce94364f5b9

SHA512
31807993e6094359cf76c0a76601736e359f9e9bd513fbed88f7b27461f79ed692a6387166399f0e77d8f85a9f0a2963dd63e51d040aebf416ec15b20c0d5fcc

Download Submit
memory/1612-6-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1612-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1612-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1612-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1612-7-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1612-1-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/2740-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2740-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2740-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2740-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2740-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2848-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads