tofsee | 4879d688d33205178582eb559b0129a7cea53ceb8daed96a90825f3d389461c3

Analysis

max time kernel
149s
max time network
128s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07-02-2025 21:35

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General

Target

2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe
Size

12.6MB
MD5

dbfff9e34d05118cda16c2ef6289139f
SHA1

8cf2d8c5e46b84af2004b5e257fbfbdf50e50397
SHA256

4879d688d33205178582eb559b0129a7cea53ceb8daed96a90825f3d389461c3
SHA512

d0f236a8692b30039ceee5557a86a3203f97d13de4b670f3ce267158402a2898a1b9a56794160755720e4a73d7682e82267845e576730bcd53fccebcf7cb4b0d
SSDEEP

393216:nXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXH:

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\wqtazifp = "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\wqtazifp\ImagePath = "C:\\Windows\\SysWOW64\\wqtazifp\\rielcbfj.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1236	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2712	rielcbfj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2712 set thread context of 1236	2712	rielcbfj.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2948	sc.exe
2896	sc.exe
2668	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	rielcbfj.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
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	2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 3052	2856	2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe	30
PID 2856 wrote to memory of 3052	2856	2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe	30
PID 2856 wrote to memory of 3052	2856	2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe	30
PID 2856 wrote to memory of 3052	2856	2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe	30
PID 2856 wrote to memory of 2916	2856	2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe	32
PID 2856 wrote to memory of 2916	2856	2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe	32
PID 2856 wrote to memory of 2916	2856	2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe	32
PID 2856 wrote to memory of 2916	2856	2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe	32
PID 2856 wrote to memory of 2948	2856	2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe	34
PID 2856 wrote to memory of 2948	2856	2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe	34
PID 2856 wrote to memory of 2948	2856	2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe	34
PID 2856 wrote to memory of 2948	2856	2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe	34
PID 2856 wrote to memory of 2896	2856	2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe	36
PID 2856 wrote to memory of 2896	2856	2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe	36
PID 2856 wrote to memory of 2896	2856	2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe	36
PID 2856 wrote to memory of 2896	2856	2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe	36
PID 2856 wrote to memory of 2668	2856	2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe	38
PID 2856 wrote to memory of 2668	2856	2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe	38
PID 2856 wrote to memory of 2668	2856	2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe	38
PID 2856 wrote to memory of 2668	2856	2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe	38
PID 2856 wrote to memory of 2788	2856	2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe	41
PID 2856 wrote to memory of 2788	2856	2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe	41
PID 2856 wrote to memory of 2788	2856	2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe	41
PID 2856 wrote to memory of 2788	2856	2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe	41
PID 2712 wrote to memory of 1236	2712	rielcbfj.exe	43
PID 2712 wrote to memory of 1236	2712	rielcbfj.exe	43
PID 2712 wrote to memory of 1236	2712	rielcbfj.exe	43
PID 2712 wrote to memory of 1236	2712	rielcbfj.exe	43
PID 2712 wrote to memory of 1236	2712	rielcbfj.exe	43
PID 2712 wrote to memory of 1236	2712	rielcbfj.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wqtazifp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3052
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rielcbfj.exe" C:\Windows\SysWOW64\wqtazifp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2916
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wqtazifp binPath= "C:\Windows\SysWOW64\wqtazifp\rielcbfj.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2948
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wqtazifp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2896
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wqtazifp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2668
- 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\wqtazifp\rielcbfj.exe
C:\Windows\SysWOW64\wqtazifp\rielcbfj.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-07_dbfff9e34d05118cda16c2ef6289139f_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2712
- 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:1236

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\rielcbfj.exe

Filesize
13.6MB

MD5
05a4b77d14227f0e9914c51e61f44af9

SHA1
b828a4f3afee558ae917b817d50bac5e716ffefd

SHA256
3546507fc516c9c1aeb93642bea489704f1ca28aa16e3a626ffebc44235f8f1c

SHA512
68f85410d5bed2870da81fa0fd86417de76cc5f704dfc3daea10fe73e0ca812a70ea8135030de34254a1abc9f1536bb5d8217b5b987b96475afa5c07bf368670

Download Submit
memory/1236-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1236-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1236-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1236-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1236-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2712-16-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2856-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2856-1-0x0000000000530000-0x0000000000630000-memory.dmp

Filesize
1024KB

Download
memory/2856-7-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2856-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2856-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2856-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads