tofsee | 103f257a6c4a8617124389d69bc1ae7315e8c0d773548b1eed2d4a4044bdd2be

Analysis

max time kernel
144s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
26-01-2025 18:34

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General

Target

2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe
Size

10.3MB
MD5

6dd13a57c6a06a93be7ae34d9cb92a6a
SHA1

4a7551506dcd411a6385e2a985ba4429de2f63ea
SHA256

103f257a6c4a8617124389d69bc1ae7315e8c0d773548b1eed2d4a4044bdd2be
SHA512

8dfcb3439993a08c21330a926ef161ff0a81f05879a81baad13bfb025c414f161d18590717277ae0c34fd4113caa66cc524589ee919a572936273ad0fa105cc9
SSDEEP

49152:RqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPn:RqtYc3

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\ayvpqovs = "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
2588	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\ayvpqovs\ImagePath = "C:\\Windows\\SysWOW64\\ayvpqovs\\zxghqmbx.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2612	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2580	zxghqmbx.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2580 set thread context of 2612	2580	zxghqmbx.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2796	sc.exe
2812	sc.exe
2644	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	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	zxghqmbx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2852 wrote to memory of 1688	2852	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	30
PID 2852 wrote to memory of 1688	2852	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	30
PID 2852 wrote to memory of 1688	2852	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	30
PID 2852 wrote to memory of 1688	2852	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	30
PID 2852 wrote to memory of 2760	2852	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	32
PID 2852 wrote to memory of 2760	2852	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	32
PID 2852 wrote to memory of 2760	2852	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	32
PID 2852 wrote to memory of 2760	2852	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	32
PID 2852 wrote to memory of 2796	2852	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	34
PID 2852 wrote to memory of 2796	2852	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	34
PID 2852 wrote to memory of 2796	2852	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	34
PID 2852 wrote to memory of 2796	2852	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	34
PID 2852 wrote to memory of 2812	2852	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	36
PID 2852 wrote to memory of 2812	2852	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	36
PID 2852 wrote to memory of 2812	2852	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	36
PID 2852 wrote to memory of 2812	2852	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	36
PID 2852 wrote to memory of 2644	2852	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	38
PID 2852 wrote to memory of 2644	2852	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	38
PID 2852 wrote to memory of 2644	2852	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	38
PID 2852 wrote to memory of 2644	2852	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	38
PID 2580 wrote to memory of 2612	2580	zxghqmbx.exe	41
PID 2580 wrote to memory of 2612	2580	zxghqmbx.exe	41
PID 2580 wrote to memory of 2612	2580	zxghqmbx.exe	41
PID 2580 wrote to memory of 2612	2580	zxghqmbx.exe	41
PID 2580 wrote to memory of 2612	2580	zxghqmbx.exe	41
PID 2580 wrote to memory of 2612	2580	zxghqmbx.exe	41
PID 2852 wrote to memory of 2588	2852	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	42
PID 2852 wrote to memory of 2588	2852	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	42
PID 2852 wrote to memory of 2588	2852	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	42
PID 2852 wrote to memory of 2588	2852	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2852
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ayvpqovs\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1688
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zxghqmbx.exe" C:\Windows\SysWOW64\ayvpqovs\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2760
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ayvpqovs binPath= "C:\Windows\SysWOW64\ayvpqovs\zxghqmbx.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2796
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ayvpqovs "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2812
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ayvpqovs
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2644
- 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:2588

C:\Windows\SysWOW64\ayvpqovs\zxghqmbx.exe
C:\Windows\SysWOW64\ayvpqovs\zxghqmbx.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2580
- 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:2612

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\zxghqmbx.exe

Filesize
13.5MB

MD5
eef90936a783c977cdb6a583c984cedb

SHA1
443214bb43f8b97d37251d05fd4f069693655976

SHA256
fa3212bf7fc460879a36315f07db7d79c30125952706ff9c5b1f9c02599c290f

SHA512
9c78b0a59b75a9aa6952d5a379bea77c3712e2189186dbb9bf847e93222f258621ccc1f38432e340d791f07837c797b7c1ed8aab44a009bb87213c5baca33058

Download Submit
memory/2580-11-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2612-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2612-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2612-7-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2612-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2612-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2852-2-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2852-3-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2852-14-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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