tofsee | b59aa4374a432455ceb42acd312ca1286148d06249b170cb7b8368d5b972d1a4

Analysis

max time kernel
144s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
29/01/2025, 18:30

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe
Size

11.4MB
MD5

5c6ae23b64fb57a3ebe7ecda833515a2
SHA1

6256587cfd31f1be773738ad6a4479f5e5a0917b
SHA256

b59aa4374a432455ceb42acd312ca1286148d06249b170cb7b8368d5b972d1a4
SHA512

1a26478d0b08a3b52247b1e24bbdf052ea7bf7e0e4e122f3f42fe93f335501b72942e88ad186901ca3cdc17d832265a6751b509baec0643be8f8fd5fdf345972
SSDEEP

24576:l6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQd:kWdLQkH

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\rcqfuevl = "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
2256	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\rcqfuevl\ImagePath = "C:\\Windows\\SysWOW64\\rcqfuevl\\ytxpfqsq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2504	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2668	ytxpfqsq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2668 set thread context of 2504	2668	ytxpfqsq.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2636	sc.exe
2664	sc.exe
2528	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	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	2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.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	ytxpfqsq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 2748	2428	2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe	30
PID 2428 wrote to memory of 2748	2428	2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe	30
PID 2428 wrote to memory of 2748	2428	2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe	30
PID 2428 wrote to memory of 2748	2428	2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe	30
PID 2428 wrote to memory of 2796	2428	2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe	32
PID 2428 wrote to memory of 2796	2428	2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe	32
PID 2428 wrote to memory of 2796	2428	2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe	32
PID 2428 wrote to memory of 2796	2428	2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe	32
PID 2428 wrote to memory of 2636	2428	2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe	34
PID 2428 wrote to memory of 2636	2428	2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe	34
PID 2428 wrote to memory of 2636	2428	2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe	34
PID 2428 wrote to memory of 2636	2428	2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe	34
PID 2428 wrote to memory of 2664	2428	2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe	36
PID 2428 wrote to memory of 2664	2428	2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe	36
PID 2428 wrote to memory of 2664	2428	2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe	36
PID 2428 wrote to memory of 2664	2428	2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe	36
PID 2428 wrote to memory of 2528	2428	2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe	38
PID 2428 wrote to memory of 2528	2428	2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe	38
PID 2428 wrote to memory of 2528	2428	2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe	38
PID 2428 wrote to memory of 2528	2428	2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe	38
PID 2668 wrote to memory of 2504	2668	ytxpfqsq.exe	41
PID 2668 wrote to memory of 2504	2668	ytxpfqsq.exe	41
PID 2668 wrote to memory of 2504	2668	ytxpfqsq.exe	41
PID 2668 wrote to memory of 2504	2668	ytxpfqsq.exe	41
PID 2668 wrote to memory of 2504	2668	ytxpfqsq.exe	41
PID 2668 wrote to memory of 2504	2668	ytxpfqsq.exe	41
PID 2428 wrote to memory of 2256	2428	2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe	42
PID 2428 wrote to memory of 2256	2428	2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe	42
PID 2428 wrote to memory of 2256	2428	2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe	42
PID 2428 wrote to memory of 2256	2428	2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\rcqfuevl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2748
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ytxpfqsq.exe" C:\Windows\SysWOW64\rcqfuevl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2796
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create rcqfuevl binPath= "C:\Windows\SysWOW64\rcqfuevl\ytxpfqsq.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2636
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description rcqfuevl "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2664
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start rcqfuevl
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2528
- 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:2256

C:\Windows\SysWOW64\rcqfuevl\ytxpfqsq.exe
C:\Windows\SysWOW64\rcqfuevl\ytxpfqsq.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-29_5c6ae23b64fb57a3ebe7ecda833515a2_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2668
- 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:2504

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\ytxpfqsq.exe

Filesize
14.8MB

MD5
cd0ac610614c0147a2935b8a1f09f953

SHA1
28727de70670a6dfccecad3d0bc41e5a4cfd7e4d

SHA256
3649bc51712cdb7289a7ed28fff7e5e1a40c143015b6656f9ed330aa8248b9fc

SHA512
ffdeb2d6de4bec2ad6720f5889afb03ad45ea09a786b1289fbcf0ce8a32064457f575af0519d7e8c2af52e86459bbe2ba6f8445282f6db0fa51ecf772cd249e0

Download Submit
memory/2428-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2428-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2428-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2428-14-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2428-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download
memory/2428-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2504-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2504-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2504-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2504-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2504-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2668-13-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads