tofsee | 15173b8c2367421ca5052eff7291025a072238bdae0206489f52f1aae2af08ff

General

Target

2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe
Size

13.7MB
MD5

737ba9e14d83e16aa86e04cc9e93a117
SHA1

2aa4ef9acf6fe8a9d10366df577bbe7bb55811c8
SHA256

15173b8c2367421ca5052eff7291025a072238bdae0206489f52f1aae2af08ff
SHA512

32cec82842d8dcd7b568dc1a4e26f6911230d0cef2e99161cf8b72bc267f6fb8ae3ee804617acd047d0ff29002163e38e2710400da7e6f356ab9d20b91008f69
SSDEEP

393216:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX3:

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
2528	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\eyztmigs\ImagePath = "C:\\Windows\\SysWOW64\\eyztmigs\\adjdsdou.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-1-5-21-2436272344-4274332273-444425594-1000\Control Panel\International\Geo\Nation	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe

Deletes itself 1 IoCs

pid	Process
4808	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4820	adjdsdou.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4820 set thread context of 4808	4820	adjdsdou.exe	99

Launches sc.exe 3 IoCs

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

pid	Process
5052	sc.exe
2136	sc.exe
3308	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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	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	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	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	adjdsdou.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4464 wrote to memory of 1368	4464	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	86
PID 4464 wrote to memory of 1368	4464	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	86
PID 4464 wrote to memory of 1368	4464	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	86
PID 4464 wrote to memory of 2880	4464	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	88
PID 4464 wrote to memory of 2880	4464	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	88
PID 4464 wrote to memory of 2880	4464	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	88
PID 4464 wrote to memory of 5052	4464	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	90
PID 4464 wrote to memory of 5052	4464	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	90
PID 4464 wrote to memory of 5052	4464	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	90
PID 4464 wrote to memory of 2136	4464	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	92
PID 4464 wrote to memory of 2136	4464	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	92
PID 4464 wrote to memory of 2136	4464	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	92
PID 4464 wrote to memory of 3308	4464	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	94
PID 4464 wrote to memory of 3308	4464	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	94
PID 4464 wrote to memory of 3308	4464	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	94
PID 4464 wrote to memory of 2528	4464	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	97
PID 4464 wrote to memory of 2528	4464	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	97
PID 4464 wrote to memory of 2528	4464	2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe	97
PID 4820 wrote to memory of 4808	4820	adjdsdou.exe	99
PID 4820 wrote to memory of 4808	4820	adjdsdou.exe	99
PID 4820 wrote to memory of 4808	4820	adjdsdou.exe	99
PID 4820 wrote to memory of 4808	4820	adjdsdou.exe	99
PID 4820 wrote to memory of 4808	4820	adjdsdou.exe	99

C:\Users\Admin\AppData\Local\Temp\2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4464
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\eyztmigs\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1368
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\adjdsdou.exe" C:\Windows\SysWOW64\eyztmigs\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2880
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create eyztmigs binPath= "C:\Windows\SysWOW64\eyztmigs\adjdsdou.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5052
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description eyztmigs "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2136
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start eyztmigs
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3308
- 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:2528

C:\Windows\SysWOW64\eyztmigs\adjdsdou.exe
C:\Windows\SysWOW64\eyztmigs\adjdsdou.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-02_737ba9e14d83e16aa86e04cc9e93a117_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4820
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4808

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\adjdsdou.exe

Filesize
14.8MB

MD5
1335b6e251817215e99f5bd050de7d77

SHA1
e06575147295c74fcb04ff945979d8fa8ec49516

SHA256
e248c4656755606cba7c05171703dc3119a15bfee1a57db629edfefbd56d1b43

SHA512
c8cad15a599c1b7616d36fd2dda6470cd068186b5837384842219a5467511a7a8a347a12460aa0d48e056e272348155ddc8543c6fbf0a03cf20b5dde95842c0f

Download Submit
memory/4464-11-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4464-2-0x0000000000570000-0x0000000000583000-memory.dmp

Filesize
76KB

Download
memory/4464-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4464-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4464-12-0x0000000000570000-0x0000000000583000-memory.dmp

Filesize
76KB

Download
memory/4464-1-0x0000000000740000-0x0000000000840000-memory.dmp

Filesize
1024KB

Download
memory/4808-22-0x0000000000880000-0x0000000000895000-memory.dmp

Filesize
84KB

Download
memory/4808-21-0x0000000000880000-0x0000000000895000-memory.dmp

Filesize
84KB

Download
memory/4808-14-0x0000000000880000-0x0000000000895000-memory.dmp

Filesize
84KB

Download
memory/4808-19-0x0000000000880000-0x0000000000895000-memory.dmp

Filesize
84KB

Download
memory/4808-20-0x0000000000880000-0x0000000000895000-memory.dmp

Filesize
84KB

Download
memory/4820-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4820-17-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4820-10-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4820-9-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads