tofsee | 534acce949e283b51c9cb3aa59c3d4dcef805cb81c66c8cef485780ae58f4fd3

Analysis

max time kernel
145s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-02-2025 14:03

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General

Target

2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe
Size

12.4MB
MD5

110b0142e46e4ff35d73ac6ef54edf18
SHA1

ace5c9248b7b7b7fb278631f1f37e090b51e5321
SHA256

534acce949e283b51c9cb3aa59c3d4dcef805cb81c66c8cef485780ae58f4fd3
SHA512

c7464b39f0d158eb88c66f8b83803a10df6ab9f6abacd513e07456894490a0ef8678d3472b23bdf95fb88098c4fd49bfce83966021d5f3cdabe62f413ed20166
SSDEEP

6144:bLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQD:wTYe+D2jFu+iZoUFhAzA

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\qmshlvvj = "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
2772	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\qmshlvvj\ImagePath = "C:\\Windows\\SysWOW64\\qmshlvvj\\mujnayhh.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2796	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2736	mujnayhh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2736 set thread context of 2796	2736	mujnayhh.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2244	sc.exe
2808	sc.exe
2912	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mujnayhh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1588 wrote to memory of 2280	1588	2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe	30
PID 1588 wrote to memory of 2280	1588	2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe	30
PID 1588 wrote to memory of 2280	1588	2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe	30
PID 1588 wrote to memory of 2280	1588	2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe	30
PID 1588 wrote to memory of 1788	1588	2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe	32
PID 1588 wrote to memory of 1788	1588	2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe	32
PID 1588 wrote to memory of 1788	1588	2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe	32
PID 1588 wrote to memory of 1788	1588	2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe	32
PID 1588 wrote to memory of 2244	1588	2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe	34
PID 1588 wrote to memory of 2244	1588	2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe	34
PID 1588 wrote to memory of 2244	1588	2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe	34
PID 1588 wrote to memory of 2244	1588	2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe	34
PID 1588 wrote to memory of 2808	1588	2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe	36
PID 1588 wrote to memory of 2808	1588	2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe	36
PID 1588 wrote to memory of 2808	1588	2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe	36
PID 1588 wrote to memory of 2808	1588	2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe	36
PID 1588 wrote to memory of 2912	1588	2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe	38
PID 1588 wrote to memory of 2912	1588	2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe	38
PID 1588 wrote to memory of 2912	1588	2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe	38
PID 1588 wrote to memory of 2912	1588	2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe	38
PID 2736 wrote to memory of 2796	2736	mujnayhh.exe	41
PID 2736 wrote to memory of 2796	2736	mujnayhh.exe	41
PID 2736 wrote to memory of 2796	2736	mujnayhh.exe	41
PID 2736 wrote to memory of 2796	2736	mujnayhh.exe	41
PID 2736 wrote to memory of 2796	2736	mujnayhh.exe	41
PID 2736 wrote to memory of 2796	2736	mujnayhh.exe	41
PID 1588 wrote to memory of 2772	1588	2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe	42
PID 1588 wrote to memory of 2772	1588	2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe	42
PID 1588 wrote to memory of 2772	1588	2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe	42
PID 1588 wrote to memory of 2772	1588	2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1588
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qmshlvvj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2280
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\mujnayhh.exe" C:\Windows\SysWOW64\qmshlvvj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1788
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qmshlvvj binPath= "C:\Windows\SysWOW64\qmshlvvj\mujnayhh.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2244
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qmshlvvj "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2808
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qmshlvvj
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2912
- 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:2772

C:\Windows\SysWOW64\qmshlvvj\mujnayhh.exe
C:\Windows\SysWOW64\qmshlvvj\mujnayhh.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-04_110b0142e46e4ff35d73ac6ef54edf18_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2736
- 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:2796

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\mujnayhh.exe

Filesize
14.2MB

MD5
9ac9e352901ca2bc184ed82b3a4c8a88

SHA1
cc214b21fe98bc4e350f4d8ab4238cf908c0a852

SHA256
c2dea294ff998026af8ff4842cc8290b4aa9d4145ddc25bf84f24429ee243c4d

SHA512
568607fce0c655acce2dd06897a555385a1e93641cb3af76904892fc52ec50d6c27ce624b0d7c2d43017f44da8d4a20a96096d6ac9bf7d413f8aeba4bedd3afe

Download Submit
memory/1588-14-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/1588-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1588-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1588-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1588-15-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1588-1-0x00000000006A0000-0x00000000007A0000-memory.dmp

Filesize
1024KB

Download
memory/2736-13-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2796-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2796-11-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2796-8-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2796-17-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2796-18-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads