tofsee | 9da42bbdcf6e449a5196dfa5b0d302337f2b64fe75ed11ea2804d5d38c33563d

Analysis

max time kernel
145s
max time network
122s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
13/02/2025, 21:34

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General

Target

2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe
Size

10.4MB
MD5

455330d8a5fd2f50f33eda0b564923b5
SHA1

977004bf635bac646de765442ea924c1c5fea4a4
SHA256

9da42bbdcf6e449a5196dfa5b0d302337f2b64fe75ed11ea2804d5d38c33563d
SHA512

42948e705058bca392dc8a2fbfe7c96f0d20ef2bb1e785de8c6698b42d3bb3f2d271fbcc5f1b787d34edec925d61f8564c3eae9c16a47cb18026b77f9ebe5ca1
SSDEEP

49152:ELFuiE888888888888888888888888888888888888888888888888888888888c:ELM

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\xplryduv = "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
2588	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\xplryduv\ImagePath = "C:\\Windows\\SysWOW64\\xplryduv\\nqwqfqbh.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2996	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2540	nqwqfqbh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2540 set thread context of 2996	2540	nqwqfqbh.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2872	sc.exe
2284	sc.exe
2636	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	2025-02-13_455330d8a5fd2f50f33eda0b564923b5_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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nqwqfqbh.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	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 2632	2776	2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe	31
PID 2776 wrote to memory of 2632	2776	2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe	31
PID 2776 wrote to memory of 2632	2776	2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe	31
PID 2776 wrote to memory of 2632	2776	2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe	31
PID 2776 wrote to memory of 2656	2776	2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe	33
PID 2776 wrote to memory of 2656	2776	2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe	33
PID 2776 wrote to memory of 2656	2776	2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe	33
PID 2776 wrote to memory of 2656	2776	2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe	33
PID 2776 wrote to memory of 2872	2776	2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe	35
PID 2776 wrote to memory of 2872	2776	2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe	35
PID 2776 wrote to memory of 2872	2776	2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe	35
PID 2776 wrote to memory of 2872	2776	2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe	35
PID 2776 wrote to memory of 2284	2776	2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe	37
PID 2776 wrote to memory of 2284	2776	2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe	37
PID 2776 wrote to memory of 2284	2776	2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe	37
PID 2776 wrote to memory of 2284	2776	2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe	37
PID 2776 wrote to memory of 2636	2776	2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe	39
PID 2776 wrote to memory of 2636	2776	2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe	39
PID 2776 wrote to memory of 2636	2776	2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe	39
PID 2776 wrote to memory of 2636	2776	2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe	39
PID 2776 wrote to memory of 2588	2776	2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe	42
PID 2776 wrote to memory of 2588	2776	2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe	42
PID 2776 wrote to memory of 2588	2776	2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe	42
PID 2776 wrote to memory of 2588	2776	2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe	42
PID 2540 wrote to memory of 2996	2540	nqwqfqbh.exe	44
PID 2540 wrote to memory of 2996	2540	nqwqfqbh.exe	44
PID 2540 wrote to memory of 2996	2540	nqwqfqbh.exe	44
PID 2540 wrote to memory of 2996	2540	nqwqfqbh.exe	44
PID 2540 wrote to memory of 2996	2540	nqwqfqbh.exe	44
PID 2540 wrote to memory of 2996	2540	nqwqfqbh.exe	44

C:\Users\Admin\AppData\Local\Temp\2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2776
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xplryduv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2632
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\nqwqfqbh.exe" C:\Windows\SysWOW64\xplryduv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2656
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xplryduv binPath= "C:\Windows\SysWOW64\xplryduv\nqwqfqbh.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2872
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xplryduv "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2284
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xplryduv
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2636
- 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:2588

C:\Windows\SysWOW64\xplryduv\nqwqfqbh.exe
C:\Windows\SysWOW64\xplryduv\nqwqfqbh.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-13_455330d8a5fd2f50f33eda0b564923b5_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2540
- 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:2996

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\nqwqfqbh.exe

Filesize
11.5MB

MD5
024c730f6493ff19c5fb1bf4f1b60f5d

SHA1
71c0af5135ddca4469b1bd81e9f470ded37c0512

SHA256
444cce32365ec8c8bdbd8c460b28e82742e1c25d3720dca5926a91cde7a44517

SHA512
172667fe938af42bd1054131a01fc1f57b202b52a0125efcef8770e166ed509f8b36c2071a2854e28c61ab0e6d6c1ddb70fca0a5ae52d8b3c613686f214679fd

Download Submit
memory/2540-17-0x0000000000400000-0x0000000002DBF000-memory.dmp

Filesize
41.7MB

Download
memory/2776-8-0x0000000000400000-0x0000000002DBF000-memory.dmp

Filesize
41.7MB

Download
memory/2776-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2776-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2776-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2776-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2776-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2996-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2996-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2996-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2996-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2996-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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