tofsee | ddaa428d2e3531994a4902d7a09f248edbc4be2d4fcff8be75f3616439b69707

Analysis

max time kernel
147s
max time network
117s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30-01-2025 21:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe
Size

14.7MB
MD5

8239d411837194c15c188f06ffb1003c
SHA1

4c6edd70541223b1e7792d5e6aa5987200d9efda
SHA256

ddaa428d2e3531994a4902d7a09f248edbc4be2d4fcff8be75f3616439b69707
SHA512

ef6877cba0a22b80a53530f4353065f86967c7fd1548123a860b42d6124e5127bb187a244f81c39f0056b8cf9db5838f23892eca774bfde5950f75241be2e7fc
SSDEEP

393216:GXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX7:a

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\ytjddmkq = "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
2636	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\ytjddmkq\ImagePath = "C:\\Windows\\SysWOW64\\ytjddmkq\\luotlkfb.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2616	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2832	luotlkfb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2832 set thread context of 2616	2832	luotlkfb.exe	40

Launches sc.exe 3 IoCs

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

pid	Process
2956	sc.exe
2732	sc.exe
2744	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	2025-01-30_8239d411837194c15c188f06ffb1003c_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	luotlkfb.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	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 908 wrote to memory of 2260	908	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	29
PID 908 wrote to memory of 2260	908	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	29
PID 908 wrote to memory of 2260	908	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	29
PID 908 wrote to memory of 2260	908	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	29
PID 908 wrote to memory of 2192	908	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	31
PID 908 wrote to memory of 2192	908	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	31
PID 908 wrote to memory of 2192	908	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	31
PID 908 wrote to memory of 2192	908	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	31
PID 908 wrote to memory of 2732	908	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	33
PID 908 wrote to memory of 2732	908	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	33
PID 908 wrote to memory of 2732	908	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	33
PID 908 wrote to memory of 2732	908	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	33
PID 908 wrote to memory of 2744	908	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	35
PID 908 wrote to memory of 2744	908	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	35
PID 908 wrote to memory of 2744	908	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	35
PID 908 wrote to memory of 2744	908	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	35
PID 908 wrote to memory of 2956	908	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	37
PID 908 wrote to memory of 2956	908	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	37
PID 908 wrote to memory of 2956	908	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	37
PID 908 wrote to memory of 2956	908	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	37
PID 2832 wrote to memory of 2616	2832	luotlkfb.exe	40
PID 2832 wrote to memory of 2616	2832	luotlkfb.exe	40
PID 2832 wrote to memory of 2616	2832	luotlkfb.exe	40
PID 2832 wrote to memory of 2616	2832	luotlkfb.exe	40
PID 2832 wrote to memory of 2616	2832	luotlkfb.exe	40
PID 2832 wrote to memory of 2616	2832	luotlkfb.exe	40
PID 908 wrote to memory of 2636	908	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	41
PID 908 wrote to memory of 2636	908	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	41
PID 908 wrote to memory of 2636	908	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	41
PID 908 wrote to memory of 2636	908	2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe	41

C:\Users\Admin\AppData\Local\Temp\2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:908
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ytjddmkq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2260
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\luotlkfb.exe" C:\Windows\SysWOW64\ytjddmkq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2192
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ytjddmkq binPath= "C:\Windows\SysWOW64\ytjddmkq\luotlkfb.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2732
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ytjddmkq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2744
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ytjddmkq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2956
- 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:2636

C:\Windows\SysWOW64\ytjddmkq\luotlkfb.exe
C:\Windows\SysWOW64\ytjddmkq\luotlkfb.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2832
- 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:2616

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\luotlkfb.exe

Filesize
14.7MB

MD5
ce037d7f6958307ef7fdac52e0b60405

SHA1
e11a2cb455023c46dbdad17713a58c034cb03daf

SHA256
305dfb9ca4aed233f788a8faeb181502d583c8e9cdc1e31a2239f153826ee708

SHA512
8eb73b87fc36d4c2e75f0206184dd4eeac059b14e47f5e30927cb56af56a9c23ea81ef18e9bf5ad21c5ba4ca5b4af27a1574284c2db18009920a9e33492e62a4

Download Submit
memory/908-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/908-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/908-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/908-14-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/908-1-0x0000000000620000-0x0000000000720000-memory.dmp

Filesize
1024KB

Download
memory/908-15-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2616-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2616-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2616-8-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2616-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2616-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2832-12-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads