tofsee | cbefeb75259fe71eee3e53e4e698f9b65443e5975571905de5e6ef239d877b0d

General

Target

2025-01-22_1d54c12a9503ee4fa9aa8668242e5253_mafia.exe
Size

10.0MB
MD5

1d54c12a9503ee4fa9aa8668242e5253
SHA1

625447266002c99f738b70e35bd0c2b7611cf774
SHA256

cbefeb75259fe71eee3e53e4e698f9b65443e5975571905de5e6ef239d877b0d
SHA512

bffa38584f7ee0193b029c73d450cc39e1ad3bbb04f1806fbe819db2f8ddb8a37e69c31f07de9a1e5e1c1e8d87a46d8464c0dc94ac61eae733743fa3d9d6382a
SSDEEP

6144:qLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQ4:LTYe+D2jFu+iZoUFhAz

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
3376	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\grqjatvy\ImagePath = "C:\\Windows\\SysWOW64\\grqjatvy\\boaxqdis.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	2025-01-22_1d54c12a9503ee4fa9aa8668242e5253_mafia.exe

Deletes itself 1 IoCs

pid	Process
4528	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3384	boaxqdis.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3384 set thread context of 4528	3384	boaxqdis.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
1896	sc.exe
3412	sc.exe
3516	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
2880	3384	WerFault.exe	92
2352	2124	WerFault.exe	81

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	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	2025-01-22_1d54c12a9503ee4fa9aa8668242e5253_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	boaxqdis.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 1984	2124	2025-01-22_1d54c12a9503ee4fa9aa8668242e5253_mafia.exe	82
PID 2124 wrote to memory of 1984	2124	2025-01-22_1d54c12a9503ee4fa9aa8668242e5253_mafia.exe	82
PID 2124 wrote to memory of 1984	2124	2025-01-22_1d54c12a9503ee4fa9aa8668242e5253_mafia.exe	82
PID 2124 wrote to memory of 2856	2124	2025-01-22_1d54c12a9503ee4fa9aa8668242e5253_mafia.exe	84
PID 2124 wrote to memory of 2856	2124	2025-01-22_1d54c12a9503ee4fa9aa8668242e5253_mafia.exe	84
PID 2124 wrote to memory of 2856	2124	2025-01-22_1d54c12a9503ee4fa9aa8668242e5253_mafia.exe	84
PID 2124 wrote to memory of 1896	2124	2025-01-22_1d54c12a9503ee4fa9aa8668242e5253_mafia.exe	86
PID 2124 wrote to memory of 1896	2124	2025-01-22_1d54c12a9503ee4fa9aa8668242e5253_mafia.exe	86
PID 2124 wrote to memory of 1896	2124	2025-01-22_1d54c12a9503ee4fa9aa8668242e5253_mafia.exe	86
PID 2124 wrote to memory of 3412	2124	2025-01-22_1d54c12a9503ee4fa9aa8668242e5253_mafia.exe	88
PID 2124 wrote to memory of 3412	2124	2025-01-22_1d54c12a9503ee4fa9aa8668242e5253_mafia.exe	88
PID 2124 wrote to memory of 3412	2124	2025-01-22_1d54c12a9503ee4fa9aa8668242e5253_mafia.exe	88
PID 2124 wrote to memory of 3516	2124	2025-01-22_1d54c12a9503ee4fa9aa8668242e5253_mafia.exe	90
PID 2124 wrote to memory of 3516	2124	2025-01-22_1d54c12a9503ee4fa9aa8668242e5253_mafia.exe	90
PID 2124 wrote to memory of 3516	2124	2025-01-22_1d54c12a9503ee4fa9aa8668242e5253_mafia.exe	90
PID 2124 wrote to memory of 3376	2124	2025-01-22_1d54c12a9503ee4fa9aa8668242e5253_mafia.exe	93
PID 2124 wrote to memory of 3376	2124	2025-01-22_1d54c12a9503ee4fa9aa8668242e5253_mafia.exe	93
PID 2124 wrote to memory of 3376	2124	2025-01-22_1d54c12a9503ee4fa9aa8668242e5253_mafia.exe	93
PID 3384 wrote to memory of 4528	3384	boaxqdis.exe	98
PID 3384 wrote to memory of 4528	3384	boaxqdis.exe	98
PID 3384 wrote to memory of 4528	3384	boaxqdis.exe	98
PID 3384 wrote to memory of 4528	3384	boaxqdis.exe	98
PID 3384 wrote to memory of 4528	3384	boaxqdis.exe	98

C:\Users\Admin\AppData\Local\Temp\2025-01-22_1d54c12a9503ee4fa9aa8668242e5253_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-22_1d54c12a9503ee4fa9aa8668242e5253_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\grqjatvy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1984
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\boaxqdis.exe" C:\Windows\SysWOW64\grqjatvy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2856
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create grqjatvy binPath= "C:\Windows\SysWOW64\grqjatvy\boaxqdis.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-22_1d54c12a9503ee4fa9aa8668242e5253_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1896
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description grqjatvy "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3412
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start grqjatvy
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3516
- 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:3376
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2124 -s 1300
  2⤵
  - Program crash
  PID:2352

C:\Windows\SysWOW64\grqjatvy\boaxqdis.exe
C:\Windows\SysWOW64\grqjatvy\boaxqdis.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-22_1d54c12a9503ee4fa9aa8668242e5253_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3384
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4528
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3384 -s 524
  2⤵
  - Program crash
  PID:2880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2124 -ip 2124
1⤵
PID:4464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3384 -ip 3384
1⤵
PID:4280

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\boaxqdis.exe

Filesize
11.1MB

MD5
2ab239fe421d0d74504c9960e6b9d12a

SHA1
fc34dc3f5089799ce28f46de922bd6b23f198732

SHA256
8d8a49d381e6d20e837ae669b4642f7ee46212cb45e44f09b39c2596b018c814

SHA512
dda8d85d6dcee49b4fa726d359f67f5f86d2aa92e1920955912fc00dad085d47201c3b28ab7c69d136d7ea51fe656f304afe659a41059a27c4eb3e76322da893

Download Submit
memory/2124-1-0x0000000000510000-0x0000000000610000-memory.dmp

Filesize
1024KB

Download
memory/2124-2-0x0000000000610000-0x0000000000623000-memory.dmp

Filesize
76KB

Download
memory/2124-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2124-16-0x0000000000610000-0x0000000000623000-memory.dmp

Filesize
76KB

Download
memory/2124-17-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2124-15-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3384-19-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3384-9-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3384-10-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3384-8-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/4528-14-0x00000000009C0000-0x00000000009D5000-memory.dmp

Filesize
84KB

Download
memory/4528-11-0x00000000009C0000-0x00000000009D5000-memory.dmp

Filesize
84KB

Download
memory/4528-20-0x00000000009C0000-0x00000000009D5000-memory.dmp

Filesize
84KB

Download
memory/4528-21-0x00000000009C0000-0x00000000009D5000-memory.dmp

Filesize
84KB

Download
memory/4528-22-0x00000000009C0000-0x00000000009D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads