tofsee | 9bd792eca76211c95ac0a2784352fdf7a05ee0777bc82da3c01705bd3a2f5805

Analysis

max time kernel
154s
max time network
151s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
08/02/2025, 03:32

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General

Target

2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe
Size

12.9MB
MD5

dca9851dd5b3c621112b5221c0a8c8bb
SHA1

f0801a31405c04944f6742f8ace32064199640ee
SHA256

9bd792eca76211c95ac0a2784352fdf7a05ee0777bc82da3c01705bd3a2f5805
SHA512

b7be837948c2fef6c9dff026d76c468b8ec54250b590fd8fee5c477ad887449823c5043bd5da55cba12b94ccd43fbdbfd97ed37f2e71351dbb2d6ce2491a21ec
SSDEEP

24576:TpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttN:Voo

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\ubvitkbo = "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
2804	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\ubvitkbo\ImagePath = "C:\\Windows\\SysWOW64\\ubvitkbo\\hcgyozbz.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2168	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2852	hcgyozbz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2852 set thread context of 2168	2852	hcgyozbz.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
3020	sc.exe
2996	sc.exe
2992	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	2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hcgyozbz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 2872	2700	2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe	29
PID 2700 wrote to memory of 2872	2700	2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe	29
PID 2700 wrote to memory of 2872	2700	2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe	29
PID 2700 wrote to memory of 2872	2700	2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe	29
PID 2700 wrote to memory of 2184	2700	2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe	31
PID 2700 wrote to memory of 2184	2700	2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe	31
PID 2700 wrote to memory of 2184	2700	2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe	31
PID 2700 wrote to memory of 2184	2700	2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe	31
PID 2700 wrote to memory of 3020	2700	2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe	33
PID 2700 wrote to memory of 3020	2700	2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe	33
PID 2700 wrote to memory of 3020	2700	2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe	33
PID 2700 wrote to memory of 3020	2700	2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe	33
PID 2700 wrote to memory of 2996	2700	2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe	35
PID 2700 wrote to memory of 2996	2700	2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe	35
PID 2700 wrote to memory of 2996	2700	2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe	35
PID 2700 wrote to memory of 2996	2700	2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe	35
PID 2700 wrote to memory of 2992	2700	2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe	37
PID 2700 wrote to memory of 2992	2700	2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe	37
PID 2700 wrote to memory of 2992	2700	2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe	37
PID 2700 wrote to memory of 2992	2700	2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe	37
PID 2700 wrote to memory of 2804	2700	2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe	39
PID 2700 wrote to memory of 2804	2700	2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe	39
PID 2700 wrote to memory of 2804	2700	2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe	39
PID 2700 wrote to memory of 2804	2700	2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe	39
PID 2852 wrote to memory of 2168	2852	hcgyozbz.exe	42
PID 2852 wrote to memory of 2168	2852	hcgyozbz.exe	42
PID 2852 wrote to memory of 2168	2852	hcgyozbz.exe	42
PID 2852 wrote to memory of 2168	2852	hcgyozbz.exe	42
PID 2852 wrote to memory of 2168	2852	hcgyozbz.exe	42
PID 2852 wrote to memory of 2168	2852	hcgyozbz.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ubvitkbo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2872
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hcgyozbz.exe" C:\Windows\SysWOW64\ubvitkbo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2184
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ubvitkbo binPath= "C:\Windows\SysWOW64\ubvitkbo\hcgyozbz.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3020
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ubvitkbo "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2996
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ubvitkbo
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2992
- 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:2804

C:\Windows\SysWOW64\ubvitkbo\hcgyozbz.exe
C:\Windows\SysWOW64\ubvitkbo\hcgyozbz.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-08_dca9851dd5b3c621112b5221c0a8c8bb_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2852
- 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:2168

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\hcgyozbz.exe

Filesize
12.1MB

MD5
7f5aace1edd861605b2f53ac0bd29c83

SHA1
092575b997a20e4f8f8fd9d2f9751782426ce06c

SHA256
8e1c3ca7041186609f8075c36bb8d246dc83977d0734145564354a18e7279ac3

SHA512
1fff78271e9c3a5aceb1b31d19ac65eb38e08213fc3038fe28b987f8b901d9ab7b2c7519716482f67c676804e936099ec1d63148b91dd1b0480d126c07cc8c2e

Download Submit
memory/2168-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2168-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2168-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2168-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2168-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2700-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2700-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2700-6-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download
memory/2700-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2700-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2700-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2700-1-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download
memory/2852-19-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads