tofsee | f4b051a98e3de375971e1a0023b799b771cc856b1ae4a6bdf29cb50415f42900

Analysis

max time kernel
143s
max time network
130s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07-02-2025 21:08

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General

Target

2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_mafia.exe
Size

10.5MB
MD5

25f94a1dbecc910c55ed29e07ac9cbca
SHA1

815fef0d0f484888a31c977a90742402d4381209
SHA256

f4b051a98e3de375971e1a0023b799b771cc856b1ae4a6bdf29cb50415f42900
SHA512

7194750de0c3745dd6b19fec8aea1297069b730ab79557ed1f5010a8739c3996490d18828578822019bed3193e3dec01ac6c1523221d0fda5dba5adcfaf1b97c
SSDEEP

24576:ZEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZV:Sfot

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\vptsmya = "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
1184	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\vptsmya\ImagePath = "C:\\Windows\\SysWOW64\\vptsmya\\gftvjghz.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2768	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2736	gftvjghz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2736 set thread context of 2768	2736	gftvjghz.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2484	sc.exe
3028	sc.exe
2804	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_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	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	gftvjghz.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 2976	2432	2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_mafia.exe	29
PID 2432 wrote to memory of 2976	2432	2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_mafia.exe	29
PID 2432 wrote to memory of 2976	2432	2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_mafia.exe	29
PID 2432 wrote to memory of 2976	2432	2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_mafia.exe	29
PID 2432 wrote to memory of 2868	2432	2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_mafia.exe	31
PID 2432 wrote to memory of 2868	2432	2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_mafia.exe	31
PID 2432 wrote to memory of 2868	2432	2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_mafia.exe	31
PID 2432 wrote to memory of 2868	2432	2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_mafia.exe	31
PID 2432 wrote to memory of 2484	2432	2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_mafia.exe	33
PID 2432 wrote to memory of 2484	2432	2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_mafia.exe	33
PID 2432 wrote to memory of 2484	2432	2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_mafia.exe	33
PID 2432 wrote to memory of 2484	2432	2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_mafia.exe	33
PID 2432 wrote to memory of 3028	2432	2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_mafia.exe	35
PID 2432 wrote to memory of 3028	2432	2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_mafia.exe	35
PID 2432 wrote to memory of 3028	2432	2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_mafia.exe	35
PID 2432 wrote to memory of 3028	2432	2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_mafia.exe	35
PID 2432 wrote to memory of 2804	2432	2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_mafia.exe	37
PID 2432 wrote to memory of 2804	2432	2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_mafia.exe	37
PID 2432 wrote to memory of 2804	2432	2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_mafia.exe	37
PID 2432 wrote to memory of 2804	2432	2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_mafia.exe	37
PID 2432 wrote to memory of 1184	2432	2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_mafia.exe	39
PID 2432 wrote to memory of 1184	2432	2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_mafia.exe	39
PID 2432 wrote to memory of 1184	2432	2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_mafia.exe	39
PID 2432 wrote to memory of 1184	2432	2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_mafia.exe	39
PID 2736 wrote to memory of 2768	2736	gftvjghz.exe	42
PID 2736 wrote to memory of 2768	2736	gftvjghz.exe	42
PID 2736 wrote to memory of 2768	2736	gftvjghz.exe	42
PID 2736 wrote to memory of 2768	2736	gftvjghz.exe	42
PID 2736 wrote to memory of 2768	2736	gftvjghz.exe	42
PID 2736 wrote to memory of 2768	2736	gftvjghz.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vptsmya\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2976
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gftvjghz.exe" C:\Windows\SysWOW64\vptsmya\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2868
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create vptsmya binPath= "C:\Windows\SysWOW64\vptsmya\gftvjghz.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2484
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description vptsmya "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3028
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start vptsmya
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2804
- 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:1184

C:\Windows\SysWOW64\vptsmya\gftvjghz.exe
C:\Windows\SysWOW64\vptsmya\gftvjghz.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-07_25f94a1dbecc910c55ed29e07ac9cbca_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:2768

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\gftvjghz.exe

Filesize
14.6MB

MD5
8a6afa76106bacc3f5f4550b871723f5

SHA1
d88c2a66b9cdc0f039951cad8fa047082f741502

SHA256
17bedcf85992070da11fecfb0b5293b0a28347b18350a58159f9ba94f0a8d0b0

SHA512
e83697e024addabfd9ee031c89f84f1cd534a179e09f2ce2818d6ce1b87552a9ece1a9e60ea93a17a6cf181bbd7f3d08c95ef037174d796f660a3e2301487129

Download Submit
memory/2432-7-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2432-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2432-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2432-6-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2432-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2432-1-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/2736-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2768-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2768-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2768-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2768-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2768-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads