tofsee | 7b3a0088f35d5ef6cdc2484c301a0ef9266e7ac3536eed8a5037461fc8418b2e

General

Target

2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe
Size

10.0MB
MD5

82056a733cfd65f172ab2a7fda3fecb3
SHA1

1e2544d3b56c5c642dd872000849b01bfdd7c774
SHA256

7b3a0088f35d5ef6cdc2484c301a0ef9266e7ac3536eed8a5037461fc8418b2e
SHA512

6a3d6ca425d576133726e0418ffad9f08bbf69cf61cefe881b6749ef9389503772de82be78d36bff662935fb81b759539dc92b8425bf42bb8ce4707af3308c07
SSDEEP

24576:h6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ4:IWdLQkW

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

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
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
2688	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\hpkbwrxy\ImagePath = "C:\\Windows\\SysWOW64\\hpkbwrxy\\qoxyhdso.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe

Deletes itself 1 IoCs

pid	Process
500	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4672	qoxyhdso.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4672 set thread context of 500	4672	qoxyhdso.exe	104

Launches sc.exe 3 IoCs

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

pid	Process
3100	sc.exe
396	sc.exe
2364	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
472	4456	WerFault.exe	83
2964	4672	WerFault.exe	96

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	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qoxyhdso.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 23 IoCs

description	pid	Process	procid_target
PID 4456 wrote to memory of 4116	4456	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	84
PID 4456 wrote to memory of 4116	4456	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	84
PID 4456 wrote to memory of 4116	4456	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	84
PID 4456 wrote to memory of 4604	4456	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	86
PID 4456 wrote to memory of 4604	4456	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	86
PID 4456 wrote to memory of 4604	4456	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	86
PID 4456 wrote to memory of 3100	4456	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	88
PID 4456 wrote to memory of 3100	4456	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	88
PID 4456 wrote to memory of 3100	4456	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	88
PID 4456 wrote to memory of 396	4456	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	90
PID 4456 wrote to memory of 396	4456	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	90
PID 4456 wrote to memory of 396	4456	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	90
PID 4456 wrote to memory of 2364	4456	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	94
PID 4456 wrote to memory of 2364	4456	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	94
PID 4456 wrote to memory of 2364	4456	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	94
PID 4456 wrote to memory of 2688	4456	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	97
PID 4456 wrote to memory of 2688	4456	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	97
PID 4456 wrote to memory of 2688	4456	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	97
PID 4672 wrote to memory of 500	4672	qoxyhdso.exe	104
PID 4672 wrote to memory of 500	4672	qoxyhdso.exe	104
PID 4672 wrote to memory of 500	4672	qoxyhdso.exe	104
PID 4672 wrote to memory of 500	4672	qoxyhdso.exe	104
PID 4672 wrote to memory of 500	4672	qoxyhdso.exe	104

C:\Users\Admin\AppData\Local\Temp\2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4456
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hpkbwrxy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4116
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qoxyhdso.exe" C:\Windows\SysWOW64\hpkbwrxy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4604
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hpkbwrxy binPath= "C:\Windows\SysWOW64\hpkbwrxy\qoxyhdso.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3100
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hpkbwrxy "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:396
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hpkbwrxy
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2364
- 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:2688
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 676
  2⤵
  - Program crash
  PID:472

C:\Windows\SysWOW64\hpkbwrxy\qoxyhdso.exe
C:\Windows\SysWOW64\hpkbwrxy\qoxyhdso.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4672
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:500
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4672 -s 508
  2⤵
  - Program crash
  PID:2964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4456 -ip 4456
1⤵
PID:1572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4672 -ip 4672
1⤵
PID:4820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\qoxyhdso.exe

Filesize
14.7MB

MD5
d6d83f96d0bf961fab816cbb70ad10df

SHA1
6bc2e2c49da360b13c9b4e9a6fd5bd7aae353029

SHA256
e64d94f40cee6c725d9c161a4940c05b5417f7818b57326ce6101533747f43fd

SHA512
6df9575dafcc6e742f44233da5261d1fd0d1a8c6927990c7287d3b760f04b2112a4be9ded9b97823f3f06cae6b6433c6726a47bd6ff00c555697efc7ca3a988d

Download Submit
memory/500-14-0x0000000000A00000-0x0000000000A15000-memory.dmp

Filesize
84KB

Download
memory/500-17-0x0000000000A00000-0x0000000000A15000-memory.dmp

Filesize
84KB

Download
memory/500-16-0x0000000000A00000-0x0000000000A15000-memory.dmp

Filesize
84KB

Download
memory/4456-7-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4456-8-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/4456-2-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/4456-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4456-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4456-1-0x0000000000780000-0x0000000000880000-memory.dmp

Filesize
1024KB

Download
memory/4672-12-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4672-11-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4672-13-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4672-18-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads