tofsee | fb858d0d599cc3bc777d15f30c9bbc1661dc364da678017179cef81965949780

Analysis

max time kernel
145s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11/01/2025, 18:34

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General

Target

2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe
Size

14.3MB
MD5

eeeca1b4e9362ebcc28e6c9fbb4d5024
SHA1

775c4131d4c97428456f30e07978408af1f73c9f
SHA256

fb858d0d599cc3bc777d15f30c9bbc1661dc364da678017179cef81965949780
SHA512

293efe608649c38be1b33145684c79eef16af4f07984ad4ece1a631c9fcc917990f3bc16010110725b474ee7833902b45357ef69e120a314b89600f753bb08b3
SSDEEP

24576:lEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZT:ufot

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\rputnrgk = "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
2980	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\rputnrgk\ImagePath = "C:\\Windows\\SysWOW64\\rputnrgk\\lcyfwvzd.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2564	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2772	lcyfwvzd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2772 set thread context of 2564	2772	lcyfwvzd.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2880	sc.exe
2848	sc.exe
2688	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	2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.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	lcyfwvzd.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	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2748	2228	2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe	30
PID 2228 wrote to memory of 2748	2228	2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe	30
PID 2228 wrote to memory of 2748	2228	2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe	30
PID 2228 wrote to memory of 2748	2228	2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe	30
PID 2228 wrote to memory of 2884	2228	2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe	32
PID 2228 wrote to memory of 2884	2228	2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe	32
PID 2228 wrote to memory of 2884	2228	2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe	32
PID 2228 wrote to memory of 2884	2228	2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe	32
PID 2228 wrote to memory of 2880	2228	2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe	34
PID 2228 wrote to memory of 2880	2228	2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe	34
PID 2228 wrote to memory of 2880	2228	2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe	34
PID 2228 wrote to memory of 2880	2228	2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe	34
PID 2228 wrote to memory of 2848	2228	2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe	36
PID 2228 wrote to memory of 2848	2228	2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe	36
PID 2228 wrote to memory of 2848	2228	2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe	36
PID 2228 wrote to memory of 2848	2228	2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe	36
PID 2228 wrote to memory of 2688	2228	2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe	38
PID 2228 wrote to memory of 2688	2228	2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe	38
PID 2228 wrote to memory of 2688	2228	2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe	38
PID 2228 wrote to memory of 2688	2228	2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe	38
PID 2772 wrote to memory of 2564	2772	lcyfwvzd.exe	41
PID 2772 wrote to memory of 2564	2772	lcyfwvzd.exe	41
PID 2772 wrote to memory of 2564	2772	lcyfwvzd.exe	41
PID 2772 wrote to memory of 2564	2772	lcyfwvzd.exe	41
PID 2772 wrote to memory of 2564	2772	lcyfwvzd.exe	41
PID 2772 wrote to memory of 2564	2772	lcyfwvzd.exe	41
PID 2228 wrote to memory of 2980	2228	2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe	42
PID 2228 wrote to memory of 2980	2228	2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe	42
PID 2228 wrote to memory of 2980	2228	2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe	42
PID 2228 wrote to memory of 2980	2228	2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\rputnrgk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2748
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lcyfwvzd.exe" C:\Windows\SysWOW64\rputnrgk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2884
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create rputnrgk binPath= "C:\Windows\SysWOW64\rputnrgk\lcyfwvzd.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2880
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description rputnrgk "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2848
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start rputnrgk
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2688
- 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:2980

C:\Windows\SysWOW64\rputnrgk\lcyfwvzd.exe
C:\Windows\SysWOW64\rputnrgk\lcyfwvzd.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-11_eeeca1b4e9362ebcc28e6c9fbb4d5024_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2772
- 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:2564

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\lcyfwvzd.exe

Filesize
14.9MB

MD5
daf00dadbc47da92a919e932c613b5cc

SHA1
617a4e4af6047b3c176b2f0722fa5a19388ef80c

SHA256
51c096b732f62d47ffc10ca96b748e0ffa5b7f1f2d265f42a2f2110db42e5283

SHA512
0f3bdc27ff49d93d8a4c34f0b55b76ba1f0e2aa6dba4e1224f4990372a43b82a8fef43411eb6b425b8bc932fc7ae0e374096e92799103582132e9066b2b783d0

Download Submit
memory/2228-15-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2228-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2228-1-0x0000000000620000-0x0000000000720000-memory.dmp

Filesize
1024KB

Download
memory/2228-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2228-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2228-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2564-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2564-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2564-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2564-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2564-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2772-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads