tofsee | 0fb958399a74f6783531d898810c0ef8321202faef41ff2305b12fdc7608efd3

Analysis

max time kernel
147s
max time network
123s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
13/02/2025, 21:21

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General

Target

2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe
Size

14.4MB
MD5

f07b62909994c17b21feba82b3fcdfd4
SHA1

0bd5d33a12f7133ce2e9b43e6dd8632b6f9d3ad9
SHA256

0fb958399a74f6783531d898810c0ef8321202faef41ff2305b12fdc7608efd3
SHA512

95dd8d8eefa1ea9b25a396906dedd45b0462c46dc2347136642eb1e0c80c86a1ba5735c01efa34aa8e08b594cec2d5615daeff1ab2eaaf2708b18ea52f2fd8fa
SSDEEP

393216:VXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXH:

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\hmcktnz = "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
2832	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\hmcktnz\ImagePath = "C:\\Windows\\SysWOW64\\hmcktnz\\lffwhqhj.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2704	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2868	lffwhqhj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2868 set thread context of 2704	2868	lffwhqhj.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2028	sc.exe
2812	sc.exe
2880	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	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_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	lffwhqhj.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	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2584 wrote to memory of 2544	2584	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	30
PID 2584 wrote to memory of 2544	2584	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	30
PID 2584 wrote to memory of 2544	2584	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	30
PID 2584 wrote to memory of 2544	2584	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	30
PID 2584 wrote to memory of 2124	2584	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	32
PID 2584 wrote to memory of 2124	2584	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	32
PID 2584 wrote to memory of 2124	2584	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	32
PID 2584 wrote to memory of 2124	2584	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	32
PID 2584 wrote to memory of 2028	2584	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	34
PID 2584 wrote to memory of 2028	2584	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	34
PID 2584 wrote to memory of 2028	2584	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	34
PID 2584 wrote to memory of 2028	2584	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	34
PID 2584 wrote to memory of 2812	2584	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	36
PID 2584 wrote to memory of 2812	2584	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	36
PID 2584 wrote to memory of 2812	2584	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	36
PID 2584 wrote to memory of 2812	2584	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	36
PID 2584 wrote to memory of 2880	2584	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	38
PID 2584 wrote to memory of 2880	2584	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	38
PID 2584 wrote to memory of 2880	2584	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	38
PID 2584 wrote to memory of 2880	2584	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	38
PID 2868 wrote to memory of 2704	2868	lffwhqhj.exe	41
PID 2868 wrote to memory of 2704	2868	lffwhqhj.exe	41
PID 2868 wrote to memory of 2704	2868	lffwhqhj.exe	41
PID 2868 wrote to memory of 2704	2868	lffwhqhj.exe	41
PID 2868 wrote to memory of 2704	2868	lffwhqhj.exe	41
PID 2868 wrote to memory of 2704	2868	lffwhqhj.exe	41
PID 2584 wrote to memory of 2832	2584	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	42
PID 2584 wrote to memory of 2832	2584	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	42
PID 2584 wrote to memory of 2832	2584	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	42
PID 2584 wrote to memory of 2832	2584	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2584
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hmcktnz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2544
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lffwhqhj.exe" C:\Windows\SysWOW64\hmcktnz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2124
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hmcktnz binPath= "C:\Windows\SysWOW64\hmcktnz\lffwhqhj.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2028
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hmcktnz "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2812
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hmcktnz
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2880
- 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:2832

C:\Windows\SysWOW64\hmcktnz\lffwhqhj.exe
C:\Windows\SysWOW64\hmcktnz\lffwhqhj.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2868
- 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:2704

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\lffwhqhj.exe

Filesize
12.0MB

MD5
5cde807467986476161b90af6ea83606

SHA1
b924366c29d6d6c09b45d6fd54f4e4f1e116fd3e

SHA256
d6f9b2b19cc614b6597f07483e61f9a82705ff2f88cca46130b901f784090194

SHA512
ecd87af0b5d8b71bb55e52f7f1a65488bba1df9cb083f1722879f918ba1e4ce7aacf14d087232ee69ad7c307f3660fd38f2fc0de5722c8a50bc34ea97e14431c

Download Submit
memory/2584-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2584-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2584-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2584-14-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2584-1-0x0000000000510000-0x0000000000610000-memory.dmp

Filesize
1024KB

Download
memory/2584-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2704-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2704-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2704-8-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2704-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2704-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2868-12-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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