tofsee | aa213d778920a7df22810ff2b3e343056f54df60e2c2d56eb65c1617ed6be3df

Analysis

max time kernel
145s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-02-2025 00:55

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General

Target

2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe
Size

14.7MB
MD5

1a06c568553494d8ac8fed199bc3f643
SHA1

444d0e357f71486bf1f48b0ff36a87a7015380fc
SHA256

aa213d778920a7df22810ff2b3e343056f54df60e2c2d56eb65c1617ed6be3df
SHA512

499edb398cf25d1b8fab15c367bd87278010b8de2948a02bd582001523ff82999f034edbd1019df850fcbdc777d5c59eca0076cc93e218f05102b8f00c908a60
SSDEEP

24576:opomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttv:Eoo

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\xogvqwyk = "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
2788	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\xogvqwyk\ImagePath = "C:\\Windows\\SysWOW64\\xogvqwyk\\xgafxwrn.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2736	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2680	xgafxwrn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2680 set thread context of 2736	2680	xgafxwrn.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2840	sc.exe
3004	sc.exe
2704	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-02_1a06c568553494d8ac8fed199bc3f643_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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xgafxwrn.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 1384	2124	2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe	31
PID 2124 wrote to memory of 1384	2124	2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe	31
PID 2124 wrote to memory of 1384	2124	2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe	31
PID 2124 wrote to memory of 1384	2124	2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe	31
PID 2124 wrote to memory of 3060	2124	2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe	33
PID 2124 wrote to memory of 3060	2124	2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe	33
PID 2124 wrote to memory of 3060	2124	2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe	33
PID 2124 wrote to memory of 3060	2124	2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe	33
PID 2124 wrote to memory of 3004	2124	2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe	35
PID 2124 wrote to memory of 3004	2124	2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe	35
PID 2124 wrote to memory of 3004	2124	2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe	35
PID 2124 wrote to memory of 3004	2124	2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe	35
PID 2124 wrote to memory of 2704	2124	2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe	37
PID 2124 wrote to memory of 2704	2124	2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe	37
PID 2124 wrote to memory of 2704	2124	2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe	37
PID 2124 wrote to memory of 2704	2124	2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe	37
PID 2124 wrote to memory of 2840	2124	2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe	39
PID 2124 wrote to memory of 2840	2124	2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe	39
PID 2124 wrote to memory of 2840	2124	2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe	39
PID 2124 wrote to memory of 2840	2124	2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe	39
PID 2124 wrote to memory of 2788	2124	2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe	42
PID 2124 wrote to memory of 2788	2124	2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe	42
PID 2124 wrote to memory of 2788	2124	2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe	42
PID 2124 wrote to memory of 2788	2124	2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe	42
PID 2680 wrote to memory of 2736	2680	xgafxwrn.exe	44
PID 2680 wrote to memory of 2736	2680	xgafxwrn.exe	44
PID 2680 wrote to memory of 2736	2680	xgafxwrn.exe	44
PID 2680 wrote to memory of 2736	2680	xgafxwrn.exe	44
PID 2680 wrote to memory of 2736	2680	xgafxwrn.exe	44
PID 2680 wrote to memory of 2736	2680	xgafxwrn.exe	44

C:\Users\Admin\AppData\Local\Temp\2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xogvqwyk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1384
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xgafxwrn.exe" C:\Windows\SysWOW64\xogvqwyk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3060
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xogvqwyk binPath= "C:\Windows\SysWOW64\xogvqwyk\xgafxwrn.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3004
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xogvqwyk "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2704
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xogvqwyk
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2840
- 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:2788

C:\Windows\SysWOW64\xogvqwyk\xgafxwrn.exe
C:\Windows\SysWOW64\xogvqwyk\xgafxwrn.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-02_1a06c568553494d8ac8fed199bc3f643_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2680
- 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:2736

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\xgafxwrn.exe

Filesize
10.8MB

MD5
195464810d37e5293c0dd2404d13a2fa

SHA1
a3e0636a83db7a89d6305f790b8925d77a251c45

SHA256
ea0b415279d25934b68e249dbbff3208edf323ce4c6032f95d25e6b73304b14a

SHA512
a38934f06158cb8343d5c23941a86ad4f6ab71689d76c51df1d59239f211273cb0f7386bea996c5cfe786cbda18759a9ae40262ff17a227550d9125e79e19b4a

Download Submit
memory/2124-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2124-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2124-1-0x00000000002D0000-0x00000000003D0000-memory.dmp

Filesize
1024KB

Download
memory/2124-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2124-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2124-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2680-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2736-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2736-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2736-14-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2736-17-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2736-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads