tofsee | 833468580dd0ec785d04db7cda97f798af7095393619289a44cfd28d6814a37a

Analysis

max time kernel
149s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-02-2025 02:00

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe
Size

14.1MB
MD5

5d23f9f8c2dd57d2506e7e24907662bd
SHA1

19d072911ed6bb3e851e66093130eb9d23e80b69
SHA256

833468580dd0ec785d04db7cda97f798af7095393619289a44cfd28d6814a37a
SHA512

f6d9e97af6f3ee4ad045ab308776ec3134489598e4bfc71c58334f3eebb6eddfb7a937fe3b5b4ac205612fbf4a4a26ca02258017f307824291088de572f980f8
SSDEEP

24576:MEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZd:Jfot

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\twxpbwzn = "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
1584	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\twxpbwzn\ImagePath = "C:\\Windows\\SysWOW64\\twxpbwzn\\boaxqdis.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2140	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2644	boaxqdis.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2644 set thread context of 2140	2644	boaxqdis.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
1352	sc.exe
2560	sc.exe
2072	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	2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_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	boaxqdis.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	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 2260 wrote to memory of 2792	2260	2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe	30
PID 2260 wrote to memory of 2792	2260	2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe	30
PID 2260 wrote to memory of 2792	2260	2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe	30
PID 2260 wrote to memory of 2792	2260	2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe	30
PID 2260 wrote to memory of 2680	2260	2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe	32
PID 2260 wrote to memory of 2680	2260	2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe	32
PID 2260 wrote to memory of 2680	2260	2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe	32
PID 2260 wrote to memory of 2680	2260	2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe	32
PID 2260 wrote to memory of 1352	2260	2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe	34
PID 2260 wrote to memory of 1352	2260	2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe	34
PID 2260 wrote to memory of 1352	2260	2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe	34
PID 2260 wrote to memory of 1352	2260	2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe	34
PID 2260 wrote to memory of 2560	2260	2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe	36
PID 2260 wrote to memory of 2560	2260	2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe	36
PID 2260 wrote to memory of 2560	2260	2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe	36
PID 2260 wrote to memory of 2560	2260	2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe	36
PID 2260 wrote to memory of 2072	2260	2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe	38
PID 2260 wrote to memory of 2072	2260	2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe	38
PID 2260 wrote to memory of 2072	2260	2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe	38
PID 2260 wrote to memory of 2072	2260	2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe	38
PID 2260 wrote to memory of 1584	2260	2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe	41
PID 2260 wrote to memory of 1584	2260	2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe	41
PID 2260 wrote to memory of 1584	2260	2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe	41
PID 2260 wrote to memory of 1584	2260	2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe	41
PID 2644 wrote to memory of 2140	2644	boaxqdis.exe	43
PID 2644 wrote to memory of 2140	2644	boaxqdis.exe	43
PID 2644 wrote to memory of 2140	2644	boaxqdis.exe	43
PID 2644 wrote to memory of 2140	2644	boaxqdis.exe	43
PID 2644 wrote to memory of 2140	2644	boaxqdis.exe	43
PID 2644 wrote to memory of 2140	2644	boaxqdis.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\twxpbwzn\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2792
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\boaxqdis.exe" C:\Windows\SysWOW64\twxpbwzn\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2680
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create twxpbwzn binPath= "C:\Windows\SysWOW64\twxpbwzn\boaxqdis.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1352
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description twxpbwzn "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2560
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start twxpbwzn
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2072
- 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:1584

C:\Windows\SysWOW64\twxpbwzn\boaxqdis.exe
C:\Windows\SysWOW64\twxpbwzn\boaxqdis.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-07_5d23f9f8c2dd57d2506e7e24907662bd_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2644
- 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:2140

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\boaxqdis.exe

Filesize
10.1MB

MD5
9ec4f0906cf80529a07fcf88d50c7764

SHA1
bb43e56a1e0db6f9fafac6932818f7251ce7e238

SHA256
4ba72028779b91d44c240a7964dca5ebe7454b470a1c383a0503365af2797364

SHA512
c63e6426299c2f050676d154464073378ac98f125caee926631ad68ae7e5317c73790946b78968852d4503acc3de51d8a311e486117664f8ae1dbaa7d12714ab

Download Submit
memory/2140-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2140-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2140-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2140-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2140-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2260-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2260-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2260-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2260-9-0x00000000005E0000-0x00000000006E0000-memory.dmp

Filesize
1024KB

Download
memory/2260-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2260-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2260-1-0x00000000005E0000-0x00000000006E0000-memory.dmp

Filesize
1024KB

Download
memory/2644-16-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads