tofsee | c9ddeb670cecb378ac5539460db36b23b32f8f4c416d55372bf3acf10badfde2

Analysis

max time kernel
147s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
13-01-2025 19:44

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General

Target

2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe
Size

11.2MB
MD5

bb831c7f52de206d92781189a192b098
SHA1

024df9bd47f11c0159fb01fa01f7c92552734462
SHA256

c9ddeb670cecb378ac5539460db36b23b32f8f4c416d55372bf3acf10badfde2
SHA512

1962522edcabfd2c0595de017e131d2a6da3ee9fe238dc70636a614a56388255bede9377fef05447789411df14282d4fe9ffd4d5223dabd3928fa1ebbf2e31a0
SSDEEP

24576:l6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQv:kWdLQk

Score

10^/10

tofsee discovery evasion 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

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\rvidooli = "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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2968	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\rvidooli\ImagePath = "C:\\Windows\\SysWOW64\\rvidooli\\saptgenn.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2852	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2844	saptgenn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2844 set thread context of 2852	2844	saptgenn.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2128	sc.exe
2960	sc.exe
3064	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	2025-01-13_bb831c7f52de206d92781189a192b098_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	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	saptgenn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 3000	1628	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	30
PID 1628 wrote to memory of 3000	1628	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	30
PID 1628 wrote to memory of 3000	1628	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	30
PID 1628 wrote to memory of 3000	1628	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	30
PID 1628 wrote to memory of 2212	1628	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	32
PID 1628 wrote to memory of 2212	1628	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	32
PID 1628 wrote to memory of 2212	1628	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	32
PID 1628 wrote to memory of 2212	1628	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	32
PID 1628 wrote to memory of 2128	1628	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	34
PID 1628 wrote to memory of 2128	1628	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	34
PID 1628 wrote to memory of 2128	1628	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	34
PID 1628 wrote to memory of 2128	1628	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	34
PID 1628 wrote to memory of 2960	1628	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	36
PID 1628 wrote to memory of 2960	1628	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	36
PID 1628 wrote to memory of 2960	1628	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	36
PID 1628 wrote to memory of 2960	1628	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	36
PID 1628 wrote to memory of 3064	1628	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	38
PID 1628 wrote to memory of 3064	1628	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	38
PID 1628 wrote to memory of 3064	1628	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	38
PID 1628 wrote to memory of 3064	1628	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	38
PID 1628 wrote to memory of 2968	1628	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	40
PID 1628 wrote to memory of 2968	1628	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	40
PID 1628 wrote to memory of 2968	1628	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	40
PID 1628 wrote to memory of 2968	1628	2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe	40
PID 2844 wrote to memory of 2852	2844	saptgenn.exe	43
PID 2844 wrote to memory of 2852	2844	saptgenn.exe	43
PID 2844 wrote to memory of 2852	2844	saptgenn.exe	43
PID 2844 wrote to memory of 2852	2844	saptgenn.exe	43
PID 2844 wrote to memory of 2852	2844	saptgenn.exe	43
PID 2844 wrote to memory of 2852	2844	saptgenn.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\rvidooli\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3000
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\saptgenn.exe" C:\Windows\SysWOW64\rvidooli\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2212
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create rvidooli binPath= "C:\Windows\SysWOW64\rvidooli\saptgenn.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2128
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description rvidooli "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2960
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start rvidooli
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3064
- 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:2968

C:\Windows\SysWOW64\rvidooli\saptgenn.exe
C:\Windows\SysWOW64\rvidooli\saptgenn.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-13_bb831c7f52de206d92781189a192b098_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2844
- 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:2852

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\saptgenn.exe

Filesize
12.7MB

MD5
1c372cf1fc9fdbd4d27814cb1e945a98

SHA1
e1a29c4b4728469bfea6861320442180ad1f6c13

SHA256
f715657c3d72a69634edf1608c791a5e2d1bb050626f55a33c6c0fa52578f317

SHA512
f243ae2e3b8a2d182b978129eee106507bcb9d52df80f98ced59a3a349504563560de3a754dc18489194f4383eedc16caf70ff84fde934186247577587c9f0c7

Download Submit
memory/1628-7-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1628-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1628-1-0x00000000004C0000-0x00000000005C0000-memory.dmp

Filesize
1024KB

Download
memory/1628-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1628-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1628-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2844-15-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2852-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2852-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2852-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2852-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2852-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads