tofsee | 7dcae750b86a5d7e0566fabcc931fa332bc69c15e3aae5a7150d0c2f5acff292

General

Target

2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe
Size

12.9MB
MD5

f29417892dce11496283b972de6c17db
SHA1

92169bca8dd9c3a0baee493b5a7aed68dcfa9fe8
SHA256

7dcae750b86a5d7e0566fabcc931fa332bc69c15e3aae5a7150d0c2f5acff292
SHA512

97362fa5ef352af678d17bd99866ddc9f54414cce51771e82fb73f728bfdb8e87f87384bfa82b72e0b09263b0b47e4cc8068e6c0155087958a3dfa12abd65680
SSDEEP

49152:yqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP:yqtYc3

Score

10^/10

tofsee discovery evasion 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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4196	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\kpixsnwa\ImagePath = "C:\\Windows\\SysWOW64\\kpixsnwa\\qhdkbaei.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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe

Deletes itself 1 IoCs

pid	Process
2852	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2704	qhdkbaei.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2704 set thread context of 2852	2704	qhdkbaei.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
2256	sc.exe
4220	sc.exe
4584	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3996	4048	WerFault.exe	82
1840	2704	WerFault.exe	94

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	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	qhdkbaei.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4048 wrote to memory of 2740	4048	2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe	83
PID 4048 wrote to memory of 2740	4048	2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe	83
PID 4048 wrote to memory of 2740	4048	2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe	83
PID 4048 wrote to memory of 2948	4048	2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe	85
PID 4048 wrote to memory of 2948	4048	2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe	85
PID 4048 wrote to memory of 2948	4048	2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe	85
PID 4048 wrote to memory of 2256	4048	2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe	87
PID 4048 wrote to memory of 2256	4048	2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe	87
PID 4048 wrote to memory of 2256	4048	2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe	87
PID 4048 wrote to memory of 4220	4048	2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe	89
PID 4048 wrote to memory of 4220	4048	2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe	89
PID 4048 wrote to memory of 4220	4048	2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe	89
PID 4048 wrote to memory of 4584	4048	2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe	92
PID 4048 wrote to memory of 4584	4048	2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe	92
PID 4048 wrote to memory of 4584	4048	2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe	92
PID 4048 wrote to memory of 4196	4048	2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe	95
PID 4048 wrote to memory of 4196	4048	2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe	95
PID 4048 wrote to memory of 4196	4048	2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe	95
PID 2704 wrote to memory of 2852	2704	qhdkbaei.exe	98
PID 2704 wrote to memory of 2852	2704	qhdkbaei.exe	98
PID 2704 wrote to memory of 2852	2704	qhdkbaei.exe	98
PID 2704 wrote to memory of 2852	2704	qhdkbaei.exe	98
PID 2704 wrote to memory of 2852	2704	qhdkbaei.exe	98

C:\Users\Admin\AppData\Local\Temp\2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4048
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\kpixsnwa\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2740
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qhdkbaei.exe" C:\Windows\SysWOW64\kpixsnwa\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2948
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create kpixsnwa binPath= "C:\Windows\SysWOW64\kpixsnwa\qhdkbaei.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2256
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description kpixsnwa "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4220
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start kpixsnwa
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4584
- 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:4196
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4048 -s 636
  2⤵
  - Program crash
  PID:3996

C:\Windows\SysWOW64\kpixsnwa\qhdkbaei.exe
C:\Windows\SysWOW64\kpixsnwa\qhdkbaei.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-13_f29417892dce11496283b972de6c17db_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2704
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2852
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2704 -s 512
  2⤵
  - Program crash
  PID:1840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4048 -ip 4048
1⤵
PID:3560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2704 -ip 2704
1⤵
PID:4156

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

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Downloads

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

Filesize
13.7MB

MD5
dfd37cc4b5dc1b09406e8ebd4514d2ab

SHA1
93f80ea2399a59745f42070151b66448581c5693

SHA256
68b78d9be1fbb73b5d29c45c3f6cdcd136d017d6d113d8356fcb61962a874afa

SHA512
7a9f4f93365629614fe3374e8aae07356dfc7c64858bd6c6a5975691df6fb3fd85c1d7fdc8c738734aadb3e0ac69bd69d430f1aeb29c0e3a32cb0f3119a06268

Download Submit
memory/2704-10-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2852-8-0x0000000000950000-0x0000000000965000-memory.dmp

Filesize
84KB

Download
memory/2852-14-0x0000000000950000-0x0000000000965000-memory.dmp

Filesize
84KB

Download
memory/2852-15-0x0000000000950000-0x0000000000965000-memory.dmp

Filesize
84KB

Download
memory/4048-1-0x0000000002DE0000-0x0000000002EE0000-memory.dmp

Filesize
1024KB

Download
memory/4048-2-0x0000000002F20000-0x0000000002F33000-memory.dmp

Filesize
76KB

Download
memory/4048-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4048-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4048-12-0x0000000002F20000-0x0000000002F33000-memory.dmp

Filesize
76KB

Download
memory/4048-11-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads