tofsee | 92150054297a0b1e11bee1acc01694695ed0ebfb238b1e22ed9b808ac2c4319c

Analysis

max time kernel
144s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-02-2025 13:04

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General

Target

2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe
Size

13.2MB
MD5

3aa787c33abf01521eb7852f9f7c6b76
SHA1

c2349510cb5e9508f4a95dc1e73d54cdc817cf04
SHA256

92150054297a0b1e11bee1acc01694695ed0ebfb238b1e22ed9b808ac2c4319c
SHA512

0a6cbe6dbe83bcd3e0e4e76c3aba370d64b3a278b49e194d1d55db929ffe28f3d8d09547e167367f6c476e825711cc5a16480b395d0fa4b51cb8c963d444ca50
SSDEEP

6144:QLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQs:FTYe+D2jFu+iZoUFhAzX

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\ryubffxf = "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
780	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\ryubffxf\ImagePath = "C:\\Windows\\SysWOW64\\ryubffxf\\plddapoc.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
600	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2188	plddapoc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2188 set thread context of 600	2188	plddapoc.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2756	sc.exe
2672	sc.exe
2196	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	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	plddapoc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 2788	2896	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	30
PID 2896 wrote to memory of 2788	2896	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	30
PID 2896 wrote to memory of 2788	2896	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	30
PID 2896 wrote to memory of 2788	2896	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	30
PID 2896 wrote to memory of 2648	2896	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	32
PID 2896 wrote to memory of 2648	2896	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	32
PID 2896 wrote to memory of 2648	2896	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	32
PID 2896 wrote to memory of 2648	2896	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	32
PID 2896 wrote to memory of 2756	2896	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	34
PID 2896 wrote to memory of 2756	2896	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	34
PID 2896 wrote to memory of 2756	2896	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	34
PID 2896 wrote to memory of 2756	2896	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	34
PID 2896 wrote to memory of 2672	2896	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	36
PID 2896 wrote to memory of 2672	2896	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	36
PID 2896 wrote to memory of 2672	2896	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	36
PID 2896 wrote to memory of 2672	2896	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	36
PID 2896 wrote to memory of 2196	2896	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	38
PID 2896 wrote to memory of 2196	2896	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	38
PID 2896 wrote to memory of 2196	2896	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	38
PID 2896 wrote to memory of 2196	2896	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	38
PID 2188 wrote to memory of 600	2188	plddapoc.exe	41
PID 2188 wrote to memory of 600	2188	plddapoc.exe	41
PID 2188 wrote to memory of 600	2188	plddapoc.exe	41
PID 2188 wrote to memory of 600	2188	plddapoc.exe	41
PID 2896 wrote to memory of 780	2896	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	42
PID 2896 wrote to memory of 780	2896	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	42
PID 2896 wrote to memory of 780	2896	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	42
PID 2896 wrote to memory of 780	2896	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	42
PID 2188 wrote to memory of 600	2188	plddapoc.exe	41
PID 2188 wrote to memory of 600	2188	plddapoc.exe	41

C:\Users\Admin\AppData\Local\Temp\2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ryubffxf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2788
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\plddapoc.exe" C:\Windows\SysWOW64\ryubffxf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2648
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ryubffxf binPath= "C:\Windows\SysWOW64\ryubffxf\plddapoc.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2756
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ryubffxf "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2672
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ryubffxf
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2196
- 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:780

C:\Windows\SysWOW64\ryubffxf\plddapoc.exe
C:\Windows\SysWOW64\ryubffxf\plddapoc.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2188
- 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:600

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\plddapoc.exe

Filesize
12.4MB

MD5
3513111570cff608fe9739b8a3437533

SHA1
bd625ad8c524c53cc0e0a3f5bf5d1bb0d0e801c2

SHA256
54c792531b49811115f9301ea5966e608ca8bb32c0b144eff919357f51685b0d

SHA512
d506ceb51362886c35d5845ce3879584a3fa0e032931577764d3c97733bee972be4e6f9f4bb59a438232155180f51ee0e5ac628eda0c25fe60d9a1f76e863468

Download Submit
memory/600-8-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/600-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/600-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/600-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/600-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2188-16-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2896-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2896-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2896-1-0x0000000000690000-0x0000000000790000-memory.dmp

Filesize
1024KB

Download
memory/2896-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2896-14-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2896-13-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads