tofsee | 320f07e8a963da09c856d379b523942997bfb14e86da7372f657c935a305f33a

Analysis

max time kernel
143s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-02-2025 20:14

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General

Target

2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe
Size

10.1MB
MD5

48fc0a55d58597e8c80253d426a0aed5
SHA1

171c847a8721a589d93f808cd8ed765860c1e80b
SHA256

320f07e8a963da09c856d379b523942997bfb14e86da7372f657c935a305f33a
SHA512

9a4288344974ab75a516b8f9892ad65f97a91aa0af20adb57017245b5756e3208860dbc3ddd71f2a042bb92fdc54ae08314b36f11bcc8b674f3714324d00bb5d
SSDEEP

3072:oLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:lOMdRQr7OB0ypmMXnl8XEPM3noSWOC

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\vmracsg = "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
2564	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\vmracsg\ImagePath = "C:\\Windows\\SysWOW64\\vmracsg\\qvfaugdf.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2184	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2548	qvfaugdf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2548 set thread context of 2184	2548	qvfaugdf.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2708	sc.exe
2636	sc.exe
2712	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.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	qvfaugdf.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2948	2688	2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe	30
PID 2688 wrote to memory of 2948	2688	2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe	30
PID 2688 wrote to memory of 2948	2688	2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe	30
PID 2688 wrote to memory of 2948	2688	2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe	30
PID 2688 wrote to memory of 2796	2688	2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe	32
PID 2688 wrote to memory of 2796	2688	2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe	32
PID 2688 wrote to memory of 2796	2688	2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe	32
PID 2688 wrote to memory of 2796	2688	2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe	32
PID 2688 wrote to memory of 2708	2688	2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe	34
PID 2688 wrote to memory of 2708	2688	2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe	34
PID 2688 wrote to memory of 2708	2688	2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe	34
PID 2688 wrote to memory of 2708	2688	2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe	34
PID 2688 wrote to memory of 2636	2688	2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe	36
PID 2688 wrote to memory of 2636	2688	2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe	36
PID 2688 wrote to memory of 2636	2688	2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe	36
PID 2688 wrote to memory of 2636	2688	2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe	36
PID 2688 wrote to memory of 2712	2688	2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe	38
PID 2688 wrote to memory of 2712	2688	2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe	38
PID 2688 wrote to memory of 2712	2688	2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe	38
PID 2688 wrote to memory of 2712	2688	2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe	38
PID 2688 wrote to memory of 2564	2688	2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe	41
PID 2688 wrote to memory of 2564	2688	2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe	41
PID 2688 wrote to memory of 2564	2688	2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe	41
PID 2688 wrote to memory of 2564	2688	2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe	41
PID 2548 wrote to memory of 2184	2548	qvfaugdf.exe	43
PID 2548 wrote to memory of 2184	2548	qvfaugdf.exe	43
PID 2548 wrote to memory of 2184	2548	qvfaugdf.exe	43
PID 2548 wrote to memory of 2184	2548	qvfaugdf.exe	43
PID 2548 wrote to memory of 2184	2548	qvfaugdf.exe	43
PID 2548 wrote to memory of 2184	2548	qvfaugdf.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vmracsg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2948
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qvfaugdf.exe" C:\Windows\SysWOW64\vmracsg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2796
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create vmracsg binPath= "C:\Windows\SysWOW64\vmracsg\qvfaugdf.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2708
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description vmracsg "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2636
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start vmracsg
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2712
- 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:2564

C:\Windows\SysWOW64\vmracsg\qvfaugdf.exe
C:\Windows\SysWOW64\vmracsg\qvfaugdf.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-02_48fc0a55d58597e8c80253d426a0aed5_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2548
- 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:2184

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\qvfaugdf.exe

Filesize
11.3MB

MD5
08354967a1a2f5d0c78d5c7d0a80a9bf

SHA1
65c97fda58d573ad7aaa0677c7d4323a35bd67ed

SHA256
c46a5bf2d8001c12538128dec7dbc3563ee98be85f7403624bf48b9e4725d82e

SHA512
66f404ddcba83f7c5514a8c5f00254177a079361bb72fa0c16fa8094c021b231adf9cc9c978db7f00c261b88c86cb5cac24aac6f20b818847943ac80d995d271

Download Submit
memory/2184-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2184-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2184-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2184-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2184-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2548-17-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2688-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2688-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2688-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2688-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2688-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2688-1-0x0000000000570000-0x0000000000670000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads