tofsee | 6584d25c12fbfdb27603921deff8b5ffefed2eb8c7da4ab280cf586836d9f662

Analysis

max time kernel
149s
max time network
127s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
09/02/2025, 06:52

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General

Target

2025-02-09_31531b52e82f02e9d65d297498293905_mafia.exe
Size

10.5MB
MD5

31531b52e82f02e9d65d297498293905
SHA1

4f7b3afe5121ac0f134cb276027cdc3b211cbd09
SHA256

6584d25c12fbfdb27603921deff8b5ffefed2eb8c7da4ab280cf586836d9f662
SHA512

d7333219abdf68326c3445240ac6a45a6c45807d35c5defbecd2253401245d7c6624c04eb88b1a5777a556c2c410a345e6581295677f3bb83d1a8b28edffbf85
SSDEEP

6144:GLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQ/:XTYe+D2jFu+iZoUFhAzw

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\xkwxaktu = "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
2612	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\xkwxaktu\ImagePath = "C:\\Windows\\SysWOW64\\xkwxaktu\\evryposw.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1656	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2732	evryposw.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2732 set thread context of 1656	2732	evryposw.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
668	sc.exe
2932	sc.exe
2928	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	evryposw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-09_31531b52e82f02e9d65d297498293905_mafia.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	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2580 wrote to memory of 1620	2580	2025-02-09_31531b52e82f02e9d65d297498293905_mafia.exe	30
PID 2580 wrote to memory of 1620	2580	2025-02-09_31531b52e82f02e9d65d297498293905_mafia.exe	30
PID 2580 wrote to memory of 1620	2580	2025-02-09_31531b52e82f02e9d65d297498293905_mafia.exe	30
PID 2580 wrote to memory of 1620	2580	2025-02-09_31531b52e82f02e9d65d297498293905_mafia.exe	30
PID 2580 wrote to memory of 3008	2580	2025-02-09_31531b52e82f02e9d65d297498293905_mafia.exe	32
PID 2580 wrote to memory of 3008	2580	2025-02-09_31531b52e82f02e9d65d297498293905_mafia.exe	32
PID 2580 wrote to memory of 3008	2580	2025-02-09_31531b52e82f02e9d65d297498293905_mafia.exe	32
PID 2580 wrote to memory of 3008	2580	2025-02-09_31531b52e82f02e9d65d297498293905_mafia.exe	32
PID 2580 wrote to memory of 668	2580	2025-02-09_31531b52e82f02e9d65d297498293905_mafia.exe	34
PID 2580 wrote to memory of 668	2580	2025-02-09_31531b52e82f02e9d65d297498293905_mafia.exe	34
PID 2580 wrote to memory of 668	2580	2025-02-09_31531b52e82f02e9d65d297498293905_mafia.exe	34
PID 2580 wrote to memory of 668	2580	2025-02-09_31531b52e82f02e9d65d297498293905_mafia.exe	34
PID 2580 wrote to memory of 2932	2580	2025-02-09_31531b52e82f02e9d65d297498293905_mafia.exe	36
PID 2580 wrote to memory of 2932	2580	2025-02-09_31531b52e82f02e9d65d297498293905_mafia.exe	36
PID 2580 wrote to memory of 2932	2580	2025-02-09_31531b52e82f02e9d65d297498293905_mafia.exe	36
PID 2580 wrote to memory of 2932	2580	2025-02-09_31531b52e82f02e9d65d297498293905_mafia.exe	36
PID 2580 wrote to memory of 2928	2580	2025-02-09_31531b52e82f02e9d65d297498293905_mafia.exe	38
PID 2580 wrote to memory of 2928	2580	2025-02-09_31531b52e82f02e9d65d297498293905_mafia.exe	38
PID 2580 wrote to memory of 2928	2580	2025-02-09_31531b52e82f02e9d65d297498293905_mafia.exe	38
PID 2580 wrote to memory of 2928	2580	2025-02-09_31531b52e82f02e9d65d297498293905_mafia.exe	38
PID 2580 wrote to memory of 2612	2580	2025-02-09_31531b52e82f02e9d65d297498293905_mafia.exe	41
PID 2580 wrote to memory of 2612	2580	2025-02-09_31531b52e82f02e9d65d297498293905_mafia.exe	41
PID 2580 wrote to memory of 2612	2580	2025-02-09_31531b52e82f02e9d65d297498293905_mafia.exe	41
PID 2580 wrote to memory of 2612	2580	2025-02-09_31531b52e82f02e9d65d297498293905_mafia.exe	41
PID 2732 wrote to memory of 1656	2732	evryposw.exe	43
PID 2732 wrote to memory of 1656	2732	evryposw.exe	43
PID 2732 wrote to memory of 1656	2732	evryposw.exe	43
PID 2732 wrote to memory of 1656	2732	evryposw.exe	43
PID 2732 wrote to memory of 1656	2732	evryposw.exe	43
PID 2732 wrote to memory of 1656	2732	evryposw.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-09_31531b52e82f02e9d65d297498293905_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-09_31531b52e82f02e9d65d297498293905_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\xkwxaktu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1620
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\evryposw.exe" C:\Windows\SysWOW64\xkwxaktu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3008
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xkwxaktu binPath= "C:\Windows\SysWOW64\xkwxaktu\evryposw.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-09_31531b52e82f02e9d65d297498293905_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:668
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xkwxaktu "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2932
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xkwxaktu
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2928
- 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:2612

C:\Windows\SysWOW64\xkwxaktu\evryposw.exe
C:\Windows\SysWOW64\xkwxaktu\evryposw.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-09_31531b52e82f02e9d65d297498293905_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2732
- 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:1656

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\evryposw.exe

Filesize
13.9MB

MD5
804a3aedccdf916362d0dc552e9721b8

SHA1
aac8ce4040e959df31c4f581109cba8769a0969a

SHA256
581c268bbd12b0470cb1309beda0497b6b560280187731cf6b1816d584a44a6f

SHA512
6e913433326a4bd5cf5de8c410a8d5d3ac73f1b78894b61bf47514809c5cdaa73c2749f4e81222501a7e5ab93809c3390d43ad490eb8d805c564cd08bb3679ac

Download Submit
memory/1656-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1656-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1656-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1656-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1656-18-0x0000000000080000-0x0000000000095000-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/2580-7-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2580-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2580-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2580-1-0x0000000000570000-0x0000000000670000-memory.dmp

Filesize
1024KB

Download
memory/2732-16-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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