tofsee | 10f5f76b6fce2de585f0ee72990c0d4eeb065c0dcbc13b20c7205abbd4acb0c7

Analysis

max time kernel
143s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-02-2025 20:04

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General

Target

2025-02-01_345d5622052f8b631231e989b5c85efd_mafia.exe
Size

12.1MB
MD5

345d5622052f8b631231e989b5c85efd
SHA1

e90c3bd6d1a5ad151007256374a9fce44ce77c37
SHA256

10f5f76b6fce2de585f0ee72990c0d4eeb065c0dcbc13b20c7205abbd4acb0c7
SHA512

b2af695e19f13313b30c5821076b6ef32c190ac242627f0be5e9d2d8673587ff32f79cf9257f31a4db2dbc3c7b03d649cbbb3fc20ebef88b70f38496084272c8
SSDEEP

6144:aLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQI:bTYe+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\qxewjljo = "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
2744	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\qxewjljo\ImagePath = "C:\\Windows\\SysWOW64\\qxewjljo\\luotlkfb.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2952	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2772	luotlkfb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2772 set thread context of 2952	2772	luotlkfb.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2476	sc.exe
2764	sc.exe
2900	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	cmd.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	luotlkfb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-01_345d5622052f8b631231e989b5c85efd_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	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 2172	2108	2025-02-01_345d5622052f8b631231e989b5c85efd_mafia.exe	30
PID 2108 wrote to memory of 2172	2108	2025-02-01_345d5622052f8b631231e989b5c85efd_mafia.exe	30
PID 2108 wrote to memory of 2172	2108	2025-02-01_345d5622052f8b631231e989b5c85efd_mafia.exe	30
PID 2108 wrote to memory of 2172	2108	2025-02-01_345d5622052f8b631231e989b5c85efd_mafia.exe	30
PID 2108 wrote to memory of 1948	2108	2025-02-01_345d5622052f8b631231e989b5c85efd_mafia.exe	32
PID 2108 wrote to memory of 1948	2108	2025-02-01_345d5622052f8b631231e989b5c85efd_mafia.exe	32
PID 2108 wrote to memory of 1948	2108	2025-02-01_345d5622052f8b631231e989b5c85efd_mafia.exe	32
PID 2108 wrote to memory of 1948	2108	2025-02-01_345d5622052f8b631231e989b5c85efd_mafia.exe	32
PID 2108 wrote to memory of 2476	2108	2025-02-01_345d5622052f8b631231e989b5c85efd_mafia.exe	34
PID 2108 wrote to memory of 2476	2108	2025-02-01_345d5622052f8b631231e989b5c85efd_mafia.exe	34
PID 2108 wrote to memory of 2476	2108	2025-02-01_345d5622052f8b631231e989b5c85efd_mafia.exe	34
PID 2108 wrote to memory of 2476	2108	2025-02-01_345d5622052f8b631231e989b5c85efd_mafia.exe	34
PID 2108 wrote to memory of 2764	2108	2025-02-01_345d5622052f8b631231e989b5c85efd_mafia.exe	36
PID 2108 wrote to memory of 2764	2108	2025-02-01_345d5622052f8b631231e989b5c85efd_mafia.exe	36
PID 2108 wrote to memory of 2764	2108	2025-02-01_345d5622052f8b631231e989b5c85efd_mafia.exe	36
PID 2108 wrote to memory of 2764	2108	2025-02-01_345d5622052f8b631231e989b5c85efd_mafia.exe	36
PID 2108 wrote to memory of 2900	2108	2025-02-01_345d5622052f8b631231e989b5c85efd_mafia.exe	38
PID 2108 wrote to memory of 2900	2108	2025-02-01_345d5622052f8b631231e989b5c85efd_mafia.exe	38
PID 2108 wrote to memory of 2900	2108	2025-02-01_345d5622052f8b631231e989b5c85efd_mafia.exe	38
PID 2108 wrote to memory of 2900	2108	2025-02-01_345d5622052f8b631231e989b5c85efd_mafia.exe	38
PID 2108 wrote to memory of 2744	2108	2025-02-01_345d5622052f8b631231e989b5c85efd_mafia.exe	41
PID 2108 wrote to memory of 2744	2108	2025-02-01_345d5622052f8b631231e989b5c85efd_mafia.exe	41
PID 2108 wrote to memory of 2744	2108	2025-02-01_345d5622052f8b631231e989b5c85efd_mafia.exe	41
PID 2108 wrote to memory of 2744	2108	2025-02-01_345d5622052f8b631231e989b5c85efd_mafia.exe	41
PID 2772 wrote to memory of 2952	2772	luotlkfb.exe	43
PID 2772 wrote to memory of 2952	2772	luotlkfb.exe	43
PID 2772 wrote to memory of 2952	2772	luotlkfb.exe	43
PID 2772 wrote to memory of 2952	2772	luotlkfb.exe	43
PID 2772 wrote to memory of 2952	2772	luotlkfb.exe	43
PID 2772 wrote to memory of 2952	2772	luotlkfb.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-01_345d5622052f8b631231e989b5c85efd_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_345d5622052f8b631231e989b5c85efd_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qxewjljo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2172
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\luotlkfb.exe" C:\Windows\SysWOW64\qxewjljo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1948
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qxewjljo binPath= "C:\Windows\SysWOW64\qxewjljo\luotlkfb.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_345d5622052f8b631231e989b5c85efd_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2476
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qxewjljo "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2764
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qxewjljo
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2900
- 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:2744

C:\Windows\SysWOW64\qxewjljo\luotlkfb.exe
C:\Windows\SysWOW64\qxewjljo\luotlkfb.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_345d5622052f8b631231e989b5c85efd_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:2952

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\luotlkfb.exe

Filesize
10.3MB

MD5
431b7f939f86abf884d05be13080b04e

SHA1
d5f92f20844671d46b7a3c41775e1a6875aeab3f

SHA256
b25401d36dfe45c9d8d0d337cd2a8e9a52662f79071639d6480752aadbe550b8

SHA512
c5c4ed0b02700b6aa9ada176b1769f51d68fcb0a41436b0fc7b8772ca9f0a204edd88d42bed9050fcfca9fd7e933a6a5d45c43b40f5a491f03d5cd234fc226fa

Download Submit
memory/2108-7-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2108-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2108-1-0x0000000000610000-0x0000000000710000-memory.dmp

Filesize
1024KB

Download
memory/2108-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2108-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2108-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2772-17-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2952-16-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2952-14-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2952-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2952-11-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2952-18-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads