tofsee | 48de4e638be5651ff2e3248b56e4bd338986f8822dc7e91c67a427e8aa535781

Analysis

max time kernel
145s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02-02-2025 05:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe
Size

14.5MB
MD5

478e4f65654044f1fb361af997fedafa
SHA1

261bbfc11b55391d2107065c054ce1573154395d
SHA256

48de4e638be5651ff2e3248b56e4bd338986f8822dc7e91c67a427e8aa535781
SHA512

1f0c147ba46e951fc66c931cadcac7d5632127dda0cecd5c3f124a2f6d1e6b11eaeae0ddb9199196c33471c0fd53b27b979ab8ae14cc14d252ec763ea58b6d06
SSDEEP

24576:bpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttO:tooc

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\ppdgait = "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
2516	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\ppdgait\ImagePath = "C:\\Windows\\SysWOW64\\ppdgait\\sstezayg.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1680	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2552	sstezayg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2552 set thread context of 1680	2552	sstezayg.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2720	sc.exe
2804	sc.exe
2820	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	sstezayg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 1640	2404	2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe	30
PID 2404 wrote to memory of 1640	2404	2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe	30
PID 2404 wrote to memory of 1640	2404	2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe	30
PID 2404 wrote to memory of 1640	2404	2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe	30
PID 2404 wrote to memory of 2660	2404	2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe	32
PID 2404 wrote to memory of 2660	2404	2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe	32
PID 2404 wrote to memory of 2660	2404	2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe	32
PID 2404 wrote to memory of 2660	2404	2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe	32
PID 2404 wrote to memory of 2720	2404	2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe	34
PID 2404 wrote to memory of 2720	2404	2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe	34
PID 2404 wrote to memory of 2720	2404	2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe	34
PID 2404 wrote to memory of 2720	2404	2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe	34
PID 2404 wrote to memory of 2804	2404	2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe	36
PID 2404 wrote to memory of 2804	2404	2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe	36
PID 2404 wrote to memory of 2804	2404	2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe	36
PID 2404 wrote to memory of 2804	2404	2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe	36
PID 2404 wrote to memory of 2820	2404	2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe	38
PID 2404 wrote to memory of 2820	2404	2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe	38
PID 2404 wrote to memory of 2820	2404	2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe	38
PID 2404 wrote to memory of 2820	2404	2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe	38
PID 2552 wrote to memory of 1680	2552	sstezayg.exe	41
PID 2552 wrote to memory of 1680	2552	sstezayg.exe	41
PID 2552 wrote to memory of 1680	2552	sstezayg.exe	41
PID 2552 wrote to memory of 1680	2552	sstezayg.exe	41
PID 2552 wrote to memory of 1680	2552	sstezayg.exe	41
PID 2552 wrote to memory of 1680	2552	sstezayg.exe	41
PID 2404 wrote to memory of 2516	2404	2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe	42
PID 2404 wrote to memory of 2516	2404	2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe	42
PID 2404 wrote to memory of 2516	2404	2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe	42
PID 2404 wrote to memory of 2516	2404	2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ppdgait\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1640
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\sstezayg.exe" C:\Windows\SysWOW64\ppdgait\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2660
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ppdgait binPath= "C:\Windows\SysWOW64\ppdgait\sstezayg.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2720
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ppdgait "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2804
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ppdgait
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2820
- 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:2516

C:\Windows\SysWOW64\ppdgait\sstezayg.exe
C:\Windows\SysWOW64\ppdgait\sstezayg.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-02_478e4f65654044f1fb361af997fedafa_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2552
- 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:1680

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\sstezayg.exe

Filesize
13.5MB

MD5
b79ee73a3ad8929592a21d4b146f0d9e

SHA1
82c7a6cd060208280f562b346edb343befe06436

SHA256
196bac68f93c4c80da0a1c5b85f4a8b218014d8c84028ea0d5ad66c1723bbc95

SHA512
484be038b45f412a3aa3f9864722b3e55e2351dca983004efd8310a3cb3350c203cfedb84507a6afc1a5fc84a389be31d893069054e41acadf5d25b4b67d214e

Download Submit
memory/1680-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1680-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/1680-17-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/1680-8-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/1680-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2404-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2404-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2404-1-0x00000000004E0000-0x00000000005E0000-memory.dmp

Filesize
1024KB

Download
memory/2404-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2404-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2404-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2552-12-0x0000000000400000-0x000000000044E000-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