tofsee | fec1fc3362183f252dcc33f311f132728d975544260caeb7238d404e71a58a24

General

Target

2025-02-01_e34559b6ee9cc9f4dac1c36b2b84ffce_mafia.exe
Size

12.6MB
MD5

e34559b6ee9cc9f4dac1c36b2b84ffce
SHA1

6ae8a8c53349bddaccbcc184aa0b6b29bc050363
SHA256

fec1fc3362183f252dcc33f311f132728d975544260caeb7238d404e71a58a24
SHA512

fcf30f179e8a5fadb1d525dce520b87f0de3077e515b8b4e577b1556d5eaee894089aad6f0499b4cf54850063e9ba8443d9b97832bdb1091428a0b5cdcaf5e09
SSDEEP

49152:nqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPt:nqtYc3u

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
540	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\nfqicggc\ImagePath = "C:\\Windows\\SysWOW64\\nfqicggc\\baoqebcu.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	2025-02-01_e34559b6ee9cc9f4dac1c36b2b84ffce_mafia.exe

Deletes itself 1 IoCs

pid	Process
2712	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1188	baoqebcu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1188 set thread context of 2712	1188	baoqebcu.exe	93

Launches sc.exe 3 IoCs

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

pid	Process
1884	sc.exe
3608	sc.exe
2680	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
1756	2588	WerFault.exe	81
1368	1188	WerFault.exe	92

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	2025-02-01_e34559b6ee9cc9f4dac1c36b2b84ffce_mafia.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	cmd.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	baoqebcu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 4496	2588	2025-02-01_e34559b6ee9cc9f4dac1c36b2b84ffce_mafia.exe	82
PID 2588 wrote to memory of 4496	2588	2025-02-01_e34559b6ee9cc9f4dac1c36b2b84ffce_mafia.exe	82
PID 2588 wrote to memory of 4496	2588	2025-02-01_e34559b6ee9cc9f4dac1c36b2b84ffce_mafia.exe	82
PID 2588 wrote to memory of 4248	2588	2025-02-01_e34559b6ee9cc9f4dac1c36b2b84ffce_mafia.exe	84
PID 2588 wrote to memory of 4248	2588	2025-02-01_e34559b6ee9cc9f4dac1c36b2b84ffce_mafia.exe	84
PID 2588 wrote to memory of 4248	2588	2025-02-01_e34559b6ee9cc9f4dac1c36b2b84ffce_mafia.exe	84
PID 2588 wrote to memory of 2680	2588	2025-02-01_e34559b6ee9cc9f4dac1c36b2b84ffce_mafia.exe	86
PID 2588 wrote to memory of 2680	2588	2025-02-01_e34559b6ee9cc9f4dac1c36b2b84ffce_mafia.exe	86
PID 2588 wrote to memory of 2680	2588	2025-02-01_e34559b6ee9cc9f4dac1c36b2b84ffce_mafia.exe	86
PID 2588 wrote to memory of 1884	2588	2025-02-01_e34559b6ee9cc9f4dac1c36b2b84ffce_mafia.exe	88
PID 2588 wrote to memory of 1884	2588	2025-02-01_e34559b6ee9cc9f4dac1c36b2b84ffce_mafia.exe	88
PID 2588 wrote to memory of 1884	2588	2025-02-01_e34559b6ee9cc9f4dac1c36b2b84ffce_mafia.exe	88
PID 2588 wrote to memory of 3608	2588	2025-02-01_e34559b6ee9cc9f4dac1c36b2b84ffce_mafia.exe	90
PID 2588 wrote to memory of 3608	2588	2025-02-01_e34559b6ee9cc9f4dac1c36b2b84ffce_mafia.exe	90
PID 2588 wrote to memory of 3608	2588	2025-02-01_e34559b6ee9cc9f4dac1c36b2b84ffce_mafia.exe	90
PID 1188 wrote to memory of 2712	1188	baoqebcu.exe	93
PID 1188 wrote to memory of 2712	1188	baoqebcu.exe	93
PID 1188 wrote to memory of 2712	1188	baoqebcu.exe	93
PID 1188 wrote to memory of 2712	1188	baoqebcu.exe	93
PID 1188 wrote to memory of 2712	1188	baoqebcu.exe	93
PID 2588 wrote to memory of 540	2588	2025-02-01_e34559b6ee9cc9f4dac1c36b2b84ffce_mafia.exe	96
PID 2588 wrote to memory of 540	2588	2025-02-01_e34559b6ee9cc9f4dac1c36b2b84ffce_mafia.exe	96
PID 2588 wrote to memory of 540	2588	2025-02-01_e34559b6ee9cc9f4dac1c36b2b84ffce_mafia.exe	96

C:\Users\Admin\AppData\Local\Temp\2025-02-01_e34559b6ee9cc9f4dac1c36b2b84ffce_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_e34559b6ee9cc9f4dac1c36b2b84ffce_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2588
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\nfqicggc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4496
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\baoqebcu.exe" C:\Windows\SysWOW64\nfqicggc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4248
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create nfqicggc binPath= "C:\Windows\SysWOW64\nfqicggc\baoqebcu.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_e34559b6ee9cc9f4dac1c36b2b84ffce_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2680
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description nfqicggc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1884
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start nfqicggc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3608
- 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:540
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2588 -s 1320
  2⤵
  - Program crash
  PID:1756

C:\Windows\SysWOW64\nfqicggc\baoqebcu.exe
C:\Windows\SysWOW64\nfqicggc\baoqebcu.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_e34559b6ee9cc9f4dac1c36b2b84ffce_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2712
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1188 -s 512
  2⤵
  - Program crash
  PID:1368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1188 -ip 1188
1⤵
PID:3472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2588 -ip 2588
1⤵
PID:1472

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\baoqebcu.exe

Filesize
13.3MB

MD5
baf5bf7da4f88e9ac5508de1e05684d9

SHA1
9f32f3daca1f2b2ca40023f5f732d40b6aee63e5

SHA256
263ef5081a9056e65d5a7f59a164d5cf1dde6448792df70050ef80fe641ca277

SHA512
56ea35e07b5b3dd0a85dd0164e8ceab7098e9f1fb5d2ab246e43464f7393b7d184fd4cd8ef75314765b7307555a3c019679c7674a69e47d0a16f1095404225f6

Download Submit
memory/1188-10-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2588-1-0x0000000002ED0000-0x0000000002FD0000-memory.dmp

Filesize
1024KB

Download
memory/2588-2-0x0000000002EA0000-0x0000000002EB3000-memory.dmp

Filesize
76KB

Download
memory/2588-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2588-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2588-12-0x0000000002EA0000-0x0000000002EB3000-memory.dmp

Filesize
76KB

Download
memory/2588-11-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2712-8-0x00000000001F0000-0x0000000000205000-memory.dmp

Filesize
84KB

Download
memory/2712-14-0x00000000001F0000-0x0000000000205000-memory.dmp

Filesize
84KB

Download
memory/2712-15-0x00000000001F0000-0x0000000000205000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads