tofsee | ab80628a0f62ca7df440960826b9e66e8fd42a9f57032e2d2affdfd2ed3f976f

Analysis

max time kernel
145s
max time network
119s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
25-01-2025 18:50

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General

Target

2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe
Size

10.1MB
MD5

3037c559046509f4e18417b99bc13d18
SHA1

544c3ee6ba22bbfccc5e9d0b1c7d0823b2b86822
SHA256

ab80628a0f62ca7df440960826b9e66e8fd42a9f57032e2d2affdfd2ed3f976f
SHA512

b63f01894a1299760eb86c09e6e86ebfc82c422387c43e1e7f5d9bc817381d06a4edabb774acb2ed5e27f3d9aba4dd51076837e13608cf58422911419ca7c146
SSDEEP

24576:OEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZH:nfot

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\xgfwounk = "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
2672	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\xgfwounk\ImagePath = "C:\\Windows\\SysWOW64\\xgfwounk\\ttufabzh.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1408	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2596	ttufabzh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2596 set thread context of 1408	2596	ttufabzh.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
1720	sc.exe
2716	sc.exe
2556	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	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	2025-01-25_3037c559046509f4e18417b99bc13d18_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	ttufabzh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2740 wrote to memory of 2976	2740	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	30
PID 2740 wrote to memory of 2976	2740	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	30
PID 2740 wrote to memory of 2976	2740	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	30
PID 2740 wrote to memory of 2976	2740	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	30
PID 2740 wrote to memory of 2560	2740	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	32
PID 2740 wrote to memory of 2560	2740	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	32
PID 2740 wrote to memory of 2560	2740	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	32
PID 2740 wrote to memory of 2560	2740	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	32
PID 2740 wrote to memory of 1720	2740	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	34
PID 2740 wrote to memory of 1720	2740	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	34
PID 2740 wrote to memory of 1720	2740	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	34
PID 2740 wrote to memory of 1720	2740	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	34
PID 2740 wrote to memory of 2716	2740	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	36
PID 2740 wrote to memory of 2716	2740	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	36
PID 2740 wrote to memory of 2716	2740	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	36
PID 2740 wrote to memory of 2716	2740	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	36
PID 2740 wrote to memory of 2556	2740	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	38
PID 2740 wrote to memory of 2556	2740	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	38
PID 2740 wrote to memory of 2556	2740	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	38
PID 2740 wrote to memory of 2556	2740	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	38
PID 2740 wrote to memory of 2672	2740	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	41
PID 2740 wrote to memory of 2672	2740	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	41
PID 2740 wrote to memory of 2672	2740	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	41
PID 2740 wrote to memory of 2672	2740	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	41
PID 2596 wrote to memory of 1408	2596	ttufabzh.exe	43
PID 2596 wrote to memory of 1408	2596	ttufabzh.exe	43
PID 2596 wrote to memory of 1408	2596	ttufabzh.exe	43
PID 2596 wrote to memory of 1408	2596	ttufabzh.exe	43
PID 2596 wrote to memory of 1408	2596	ttufabzh.exe	43
PID 2596 wrote to memory of 1408	2596	ttufabzh.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2740
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xgfwounk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2976
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ttufabzh.exe" C:\Windows\SysWOW64\xgfwounk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2560
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xgfwounk binPath= "C:\Windows\SysWOW64\xgfwounk\ttufabzh.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1720
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xgfwounk "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2716
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xgfwounk
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2556
- 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:2672

C:\Windows\SysWOW64\xgfwounk\ttufabzh.exe
C:\Windows\SysWOW64\xgfwounk\ttufabzh.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2596
- 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:1408

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\ttufabzh.exe

Filesize
11.0MB

MD5
384ee124946d1527131acecf2afaec6c

SHA1
bda929f8a354e979ba19250706e8de5ffee1169c

SHA256
023aaccd11c6fcbb00167f5840c50855e1a0e6bbf7b6613bc3d6a12d517c2023

SHA512
36f12e0a279c44c9f4700f3365d0bc54141ccce902c7f3d9371d8a0694ed7b2410893672df3dfc78bceebcf24eaf513a20d999dda2865c683a14c11eede9699b

Download Submit
memory/1408-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1408-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1408-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1408-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1408-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2596-17-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2740-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2740-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2740-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2740-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2740-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2740-1-0x0000000000520000-0x0000000000620000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads