tofsee | 4ee244b88f4cd591d0b492fecf8a70fc0f7fab84244bdeedc2da57d11487462b

Analysis

max time kernel
144s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
01/02/2025, 20:47

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General

Target

2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe
Size

10.8MB
MD5

ee418b28ee74423c9f4440db31fd0d04
SHA1

09f2b70b533a938270d42769d3ac5f13db417e73
SHA256

4ee244b88f4cd591d0b492fecf8a70fc0f7fab84244bdeedc2da57d11487462b
SHA512

fefc5deb8a054ec4c056931276bc6e91d0cf7e64d93b5aa46e27d255701b511041e823c10a7a199622e853162e2bc16e8ea78d2bff5e5f5e71de71608a43b659
SSDEEP

6144:qLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQ9:LTYe+D2jFu+iZoUFhAz

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\wlmdfziq = "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
2592	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\wlmdfziq\ImagePath = "C:\\Windows\\SysWOW64\\wlmdfziq\\fhciboy.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
376	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2576	fhciboy.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2576 set thread context of 376	2576	fhciboy.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2612	sc.exe
2760	sc.exe
2624	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fhciboy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-01_ee418b28ee74423c9f4440db31fd0d04_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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2836	2684	2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe	30
PID 2684 wrote to memory of 2836	2684	2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe	30
PID 2684 wrote to memory of 2836	2684	2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe	30
PID 2684 wrote to memory of 2836	2684	2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe	30
PID 2684 wrote to memory of 2700	2684	2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe	32
PID 2684 wrote to memory of 2700	2684	2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe	32
PID 2684 wrote to memory of 2700	2684	2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe	32
PID 2684 wrote to memory of 2700	2684	2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe	32
PID 2684 wrote to memory of 2612	2684	2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe	34
PID 2684 wrote to memory of 2612	2684	2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe	34
PID 2684 wrote to memory of 2612	2684	2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe	34
PID 2684 wrote to memory of 2612	2684	2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe	34
PID 2684 wrote to memory of 2760	2684	2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe	36
PID 2684 wrote to memory of 2760	2684	2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe	36
PID 2684 wrote to memory of 2760	2684	2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe	36
PID 2684 wrote to memory of 2760	2684	2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe	36
PID 2684 wrote to memory of 2624	2684	2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe	38
PID 2684 wrote to memory of 2624	2684	2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe	38
PID 2684 wrote to memory of 2624	2684	2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe	38
PID 2684 wrote to memory of 2624	2684	2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe	38
PID 2684 wrote to memory of 2592	2684	2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe	41
PID 2684 wrote to memory of 2592	2684	2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe	41
PID 2684 wrote to memory of 2592	2684	2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe	41
PID 2684 wrote to memory of 2592	2684	2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe	41
PID 2576 wrote to memory of 376	2576	fhciboy.exe	43
PID 2576 wrote to memory of 376	2576	fhciboy.exe	43
PID 2576 wrote to memory of 376	2576	fhciboy.exe	43
PID 2576 wrote to memory of 376	2576	fhciboy.exe	43
PID 2576 wrote to memory of 376	2576	fhciboy.exe	43
PID 2576 wrote to memory of 376	2576	fhciboy.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wlmdfziq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2836
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\fhciboy.exe" C:\Windows\SysWOW64\wlmdfziq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2700
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wlmdfziq binPath= "C:\Windows\SysWOW64\wlmdfziq\fhciboy.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2612
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wlmdfziq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2760
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wlmdfziq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2624
- 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:2592

C:\Windows\SysWOW64\wlmdfziq\fhciboy.exe
C:\Windows\SysWOW64\wlmdfziq\fhciboy.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_ee418b28ee74423c9f4440db31fd0d04_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2576
- 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:376

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\fhciboy.exe

Filesize
13.9MB

MD5
912c1dae45e7db0d5261b748d9c5bcb0

SHA1
1f0c9a788abb66e516820b2ba3293e21cafaf8db

SHA256
e011e16fb9e3f6f6334dfea2072bf5d9dbc1e37ebd683e580025baf5bf11719a

SHA512
a2b5aefba591293da7fbabcbe66e06daca0ddd1bde106c3998e0ec8dba9de0933f857a869f5e09d316e159f88f90f3f8403c5e0aeda8e15d5f0ff95962bb4b61

Download Submit
memory/376-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/376-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/376-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/376-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/376-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2576-17-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2684-1-0x0000000000930000-0x0000000000A30000-memory.dmp

Filesize
1024KB

Download
memory/2684-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2684-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2684-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2684-7-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2684-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads