tofsee | db08141ddd392be7ed45555340b8e28c39b642e45b8ab1c6ffecb42712ebcbe5

Analysis

max time kernel
144s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-01-2025 03:46

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General

Target

2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe
Size

14.5MB
MD5

fc4780bcbdfc6c2af8855c1d4256fa02
SHA1

b4d3d9a16f3fd3e100ccd85f71099c050125878a
SHA256

db08141ddd392be7ed45555340b8e28c39b642e45b8ab1c6ffecb42712ebcbe5
SHA512

106753adefdeaa633c7d825d77d5096ea276d4501eedb99bc784aebb5dc8cf7b141a051abaf9c2bc47019d61c617d6d5e3a8cff43b3076d0b5225de0c213bc5b
SSDEEP

24576:i6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ:rWdLQk

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\cqfmjjot = "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
2536	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\cqfmjjot\ImagePath = "C:\\Windows\\SysWOW64\\cqfmjjot\\gxtarquy.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2584	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1656	gxtarquy.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1656 set thread context of 2584	1656	gxtarquy.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2664	sc.exe
2720	sc.exe
2672	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gxtarquy.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2224 wrote to memory of 2740	2224	2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe	31
PID 2224 wrote to memory of 2740	2224	2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe	31
PID 2224 wrote to memory of 2740	2224	2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe	31
PID 2224 wrote to memory of 2740	2224	2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe	31
PID 2224 wrote to memory of 2688	2224	2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe	33
PID 2224 wrote to memory of 2688	2224	2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe	33
PID 2224 wrote to memory of 2688	2224	2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe	33
PID 2224 wrote to memory of 2688	2224	2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe	33
PID 2224 wrote to memory of 2664	2224	2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe	35
PID 2224 wrote to memory of 2664	2224	2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe	35
PID 2224 wrote to memory of 2664	2224	2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe	35
PID 2224 wrote to memory of 2664	2224	2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe	35
PID 2224 wrote to memory of 2720	2224	2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe	37
PID 2224 wrote to memory of 2720	2224	2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe	37
PID 2224 wrote to memory of 2720	2224	2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe	37
PID 2224 wrote to memory of 2720	2224	2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe	37
PID 2224 wrote to memory of 2672	2224	2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe	39
PID 2224 wrote to memory of 2672	2224	2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe	39
PID 2224 wrote to memory of 2672	2224	2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe	39
PID 2224 wrote to memory of 2672	2224	2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe	39
PID 2224 wrote to memory of 2536	2224	2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe	42
PID 2224 wrote to memory of 2536	2224	2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe	42
PID 2224 wrote to memory of 2536	2224	2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe	42
PID 2224 wrote to memory of 2536	2224	2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe	42
PID 1656 wrote to memory of 2584	1656	gxtarquy.exe	44
PID 1656 wrote to memory of 2584	1656	gxtarquy.exe	44
PID 1656 wrote to memory of 2584	1656	gxtarquy.exe	44
PID 1656 wrote to memory of 2584	1656	gxtarquy.exe	44
PID 1656 wrote to memory of 2584	1656	gxtarquy.exe	44
PID 1656 wrote to memory of 2584	1656	gxtarquy.exe	44

C:\Users\Admin\AppData\Local\Temp\2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2224
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cqfmjjot\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2740
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gxtarquy.exe" C:\Windows\SysWOW64\cqfmjjot\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2688
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create cqfmjjot binPath= "C:\Windows\SysWOW64\cqfmjjot\gxtarquy.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2664
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description cqfmjjot "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2720
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start cqfmjjot
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2672
- 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:2536

C:\Windows\SysWOW64\cqfmjjot\gxtarquy.exe
C:\Windows\SysWOW64\cqfmjjot\gxtarquy.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-28_fc4780bcbdfc6c2af8855c1d4256fa02_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1656
- 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\gxtarquy.exe

Filesize
13.7MB

MD5
7030f197d93a77d8facb6495dea0b4ff

SHA1
d36a439c355be067d2fa4833c06eaf6399052c98

SHA256
02d784f14e8e39133ba910c31a09cd3ca2093d00b1cbdb7e7fc283c93c2b735b

SHA512
1718f6399bec92b148a08f4b2b1758463f869e55f5976e700198ce1ae10aea1009ddb04ebb01ff37d4de24b280bbdd9861e05606096e20ccfdaf5ea1e9093029

Download Submit
memory/1656-18-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2224-8-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2224-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2224-10-0x0000000000580000-0x0000000000680000-memory.dmp

Filesize
1024KB

Download
memory/2224-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2224-1-0x0000000000580000-0x0000000000680000-memory.dmp

Filesize
1024KB

Download
memory/2224-3-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2584-12-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2584-17-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2584-15-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2584-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2584-19-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads