tofsee | 2898764fe5c352ebc70cab100fe6c8bcae7b783ebece8a55a34dc008c612bfcc

Analysis

max time kernel
145s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-01-2025 19:53

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General

Target

2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe
Size

12.3MB
MD5

e0de00f01e31c5e73f38e0c3eb046d90
SHA1

6a8d03c22aba12d3c9d52cf45daf916f18def6bb
SHA256

2898764fe5c352ebc70cab100fe6c8bcae7b783ebece8a55a34dc008c612bfcc
SHA512

90615cc5d3fc75902edbe2236c1af713501c351d233b2a50237adb6f7aecd26086f87a92e7776f211bfc6016a81659bde7984dde28bfa521d80bd24d306f03fd
SSDEEP

24576:BEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZn:afot

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\qfjdfyzi = "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
2808	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\qfjdfyzi\ImagePath = "C:\\Windows\\SysWOW64\\qfjdfyzi\\kmfqxftj.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2900	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2764	kmfqxftj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2764 set thread context of 2900	2764	kmfqxftj.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2748	sc.exe
2888	sc.exe
2148	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	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	kmfqxftj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.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 2580 wrote to memory of 2092	2580	2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe	30
PID 2580 wrote to memory of 2092	2580	2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe	30
PID 2580 wrote to memory of 2092	2580	2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe	30
PID 2580 wrote to memory of 2092	2580	2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe	30
PID 2580 wrote to memory of 2524	2580	2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe	32
PID 2580 wrote to memory of 2524	2580	2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe	32
PID 2580 wrote to memory of 2524	2580	2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe	32
PID 2580 wrote to memory of 2524	2580	2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe	32
PID 2580 wrote to memory of 2148	2580	2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe	34
PID 2580 wrote to memory of 2148	2580	2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe	34
PID 2580 wrote to memory of 2148	2580	2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe	34
PID 2580 wrote to memory of 2148	2580	2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe	34
PID 2580 wrote to memory of 2748	2580	2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe	36
PID 2580 wrote to memory of 2748	2580	2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe	36
PID 2580 wrote to memory of 2748	2580	2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe	36
PID 2580 wrote to memory of 2748	2580	2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe	36
PID 2580 wrote to memory of 2888	2580	2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe	38
PID 2580 wrote to memory of 2888	2580	2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe	38
PID 2580 wrote to memory of 2888	2580	2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe	38
PID 2580 wrote to memory of 2888	2580	2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe	38
PID 2764 wrote to memory of 2900	2764	kmfqxftj.exe	41
PID 2764 wrote to memory of 2900	2764	kmfqxftj.exe	41
PID 2764 wrote to memory of 2900	2764	kmfqxftj.exe	41
PID 2764 wrote to memory of 2900	2764	kmfqxftj.exe	41
PID 2764 wrote to memory of 2900	2764	kmfqxftj.exe	41
PID 2764 wrote to memory of 2900	2764	kmfqxftj.exe	41
PID 2580 wrote to memory of 2808	2580	2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe	42
PID 2580 wrote to memory of 2808	2580	2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe	42
PID 2580 wrote to memory of 2808	2580	2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe	42
PID 2580 wrote to memory of 2808	2580	2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qfjdfyzi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2092
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kmfqxftj.exe" C:\Windows\SysWOW64\qfjdfyzi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2524
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qfjdfyzi binPath= "C:\Windows\SysWOW64\qfjdfyzi\kmfqxftj.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2148
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qfjdfyzi "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2748
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qfjdfyzi
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2888
- 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:2808

C:\Windows\SysWOW64\qfjdfyzi\kmfqxftj.exe
C:\Windows\SysWOW64\qfjdfyzi\kmfqxftj.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_e0de00f01e31c5e73f38e0c3eb046d90_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2764
- 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:2900

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\kmfqxftj.exe

Filesize
10.3MB

MD5
fee0481f250a6ab7537ad3c99974e7e6

SHA1
990e862696e610c5f670376d3d9beccdc8a4b7aa

SHA256
22d24ff44e35302f7ec695d9ca8df34d8ba3394046fff0031b8656bbbc25e60d

SHA512
3016534c029c86e0ea317f90969c43c3cd6f4478c5e2cb1e49e2bf09d003c1e23a111ba94157159741fdeae94c9a218d1dec31ed9574438fc15524a8e9a08ea6

Download Submit
memory/2580-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2580-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2580-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2580-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2580-1-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/2580-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2764-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2900-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2900-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2900-8-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2900-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2900-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads