tofsee | a6f313cfcd3964b6f94c68783a1be75d85b28080b7cdc7a930acbe222573ff65

Analysis

max time kernel
144s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-01-2025 08:42

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General

Target

2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe
Size

12.0MB
MD5

d466384f3c12b6a938536e4d09958985
SHA1

3587acbef84035751f5352a3d7578e6a95aed729
SHA256

a6f313cfcd3964b6f94c68783a1be75d85b28080b7cdc7a930acbe222573ff65
SHA512

e99798157fec46c5a4e00fea225d91c47cb5c422523a2b44a0c7a484de2744c6cd7a9505276a82247c343e4b4f3355ab74c3526648cd1b872b8d86c917d576b9
SSDEEP

3072:vLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:mOMdRQr7OB0ypmMXnl8XEPM3noSWOC

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\eqcciosc = "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
2488	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\eqcciosc\ImagePath = "C:\\Windows\\SysWOW64\\eqcciosc\\izvctswa.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2584	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1728	izvctswa.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1728 set thread context of 2584	1728	izvctswa.exe	40

Launches sc.exe 3 IoCs

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

pid	Process
2500	sc.exe
2568	sc.exe
2056	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	2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	izvctswa.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	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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 2540	2908	2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe	29
PID 2908 wrote to memory of 2540	2908	2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe	29
PID 2908 wrote to memory of 2540	2908	2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe	29
PID 2908 wrote to memory of 2540	2908	2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe	29
PID 2908 wrote to memory of 2668	2908	2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe	31
PID 2908 wrote to memory of 2668	2908	2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe	31
PID 2908 wrote to memory of 2668	2908	2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe	31
PID 2908 wrote to memory of 2668	2908	2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe	31
PID 2908 wrote to memory of 2568	2908	2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe	33
PID 2908 wrote to memory of 2568	2908	2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe	33
PID 2908 wrote to memory of 2568	2908	2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe	33
PID 2908 wrote to memory of 2568	2908	2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe	33
PID 2908 wrote to memory of 2056	2908	2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe	35
PID 2908 wrote to memory of 2056	2908	2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe	35
PID 2908 wrote to memory of 2056	2908	2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe	35
PID 2908 wrote to memory of 2056	2908	2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe	35
PID 2908 wrote to memory of 2500	2908	2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe	37
PID 2908 wrote to memory of 2500	2908	2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe	37
PID 2908 wrote to memory of 2500	2908	2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe	37
PID 2908 wrote to memory of 2500	2908	2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe	37
PID 1728 wrote to memory of 2584	1728	izvctswa.exe	40
PID 1728 wrote to memory of 2584	1728	izvctswa.exe	40
PID 1728 wrote to memory of 2584	1728	izvctswa.exe	40
PID 1728 wrote to memory of 2584	1728	izvctswa.exe	40
PID 1728 wrote to memory of 2584	1728	izvctswa.exe	40
PID 1728 wrote to memory of 2584	1728	izvctswa.exe	40
PID 2908 wrote to memory of 2488	2908	2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe	41
PID 2908 wrote to memory of 2488	2908	2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe	41
PID 2908 wrote to memory of 2488	2908	2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe	41
PID 2908 wrote to memory of 2488	2908	2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe	41

C:\Users\Admin\AppData\Local\Temp\2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\eqcciosc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2540
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\izvctswa.exe" C:\Windows\SysWOW64\eqcciosc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2668
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create eqcciosc binPath= "C:\Windows\SysWOW64\eqcciosc\izvctswa.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2568
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description eqcciosc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2056
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start eqcciosc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2500
- 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:2488

C:\Windows\SysWOW64\eqcciosc\izvctswa.exe
C:\Windows\SysWOW64\eqcciosc\izvctswa.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_d466384f3c12b6a938536e4d09958985_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1728
- 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:2584

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\izvctswa.exe

Filesize
14.4MB

MD5
c8818d876a1c20da49904eca3c24f945

SHA1
3834bed21ee2dc811b06286fc014a51ad089a5ac

SHA256
98e60021da0959d55d1764290beb3f539ffb83b5244a0ee89211c5d72de638e8

SHA512
5bde0a4d65e35e0a7b10fabbf5524ad107b9acde8aeac0dbb4530375060f7a838a3d4f49252001f742f2328e7b07b7895f0666b865b017ea9ccc2ea52dd9e673

Download Submit
memory/1728-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2584-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2584-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2584-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2584-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2584-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2908-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2908-1-0x00000000004F0000-0x00000000005F0000-memory.dmp

Filesize
1024KB

Download
memory/2908-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2908-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2908-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2908-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads