tofsee | 3b31745de060c31dcb4975f5fbc89419a637e03b80f312984bb145491179e32f

Analysis

max time kernel
144s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-01-2025 19:36

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General

Target

2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe
Size

14.7MB
MD5

7633c8ebac801ccf8b5f5c6255fb0290
SHA1

01b1b6c617411eaca7b3e453bc0a5411003449f1
SHA256

3b31745de060c31dcb4975f5fbc89419a637e03b80f312984bb145491179e32f
SHA512

40c073563927ebc5ea93d3010823bac125589068940b2eed387b4d3cf87c4089e18299909b893e6eca58c7e05467072d0b8ea11b18aa23739a456f2e5ed45171
SSDEEP

24576:C6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQY:LWdLQk

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

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

Windows security bypass 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\ltjhcmuc = "0"	svchost.exe

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
2908	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\ltjhcmuc\ImagePath = "C:\\Windows\\SysWOW64\\ltjhcmuc\\onbdroph.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2860	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2804	onbdroph.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2804 set thread context of 2860	2804	onbdroph.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2484	sc.exe
2732	sc.exe
2708	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

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	onbdroph.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 1936	2528	2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe	30
PID 2528 wrote to memory of 1936	2528	2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe	30
PID 2528 wrote to memory of 1936	2528	2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe	30
PID 2528 wrote to memory of 1936	2528	2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe	30
PID 2528 wrote to memory of 2944	2528	2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe	32
PID 2528 wrote to memory of 2944	2528	2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe	32
PID 2528 wrote to memory of 2944	2528	2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe	32
PID 2528 wrote to memory of 2944	2528	2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe	32
PID 2528 wrote to memory of 2484	2528	2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe	34
PID 2528 wrote to memory of 2484	2528	2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe	34
PID 2528 wrote to memory of 2484	2528	2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe	34
PID 2528 wrote to memory of 2484	2528	2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe	34
PID 2528 wrote to memory of 2732	2528	2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe	36
PID 2528 wrote to memory of 2732	2528	2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe	36
PID 2528 wrote to memory of 2732	2528	2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe	36
PID 2528 wrote to memory of 2732	2528	2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe	36
PID 2528 wrote to memory of 2708	2528	2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe	38
PID 2528 wrote to memory of 2708	2528	2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe	38
PID 2528 wrote to memory of 2708	2528	2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe	38
PID 2528 wrote to memory of 2708	2528	2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe	38
PID 2804 wrote to memory of 2860	2804	onbdroph.exe	41
PID 2804 wrote to memory of 2860	2804	onbdroph.exe	41
PID 2804 wrote to memory of 2860	2804	onbdroph.exe	41
PID 2804 wrote to memory of 2860	2804	onbdroph.exe	41
PID 2804 wrote to memory of 2860	2804	onbdroph.exe	41
PID 2804 wrote to memory of 2860	2804	onbdroph.exe	41
PID 2528 wrote to memory of 2908	2528	2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe	42
PID 2528 wrote to memory of 2908	2528	2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe	42
PID 2528 wrote to memory of 2908	2528	2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe	42
PID 2528 wrote to memory of 2908	2528	2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ltjhcmuc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1936
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\onbdroph.exe" C:\Windows\SysWOW64\ltjhcmuc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2944
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ltjhcmuc binPath= "C:\Windows\SysWOW64\ltjhcmuc\onbdroph.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2484
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ltjhcmuc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2732
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ltjhcmuc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2708
- 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:2908

C:\Windows\SysWOW64\ltjhcmuc\onbdroph.exe
C:\Windows\SysWOW64\ltjhcmuc\onbdroph.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2804
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
11.3MB

MD5
b2dd592ab5b366db9fa255b7a5972b18

SHA1
207fea5ff76a4dbd9c2db50128e05b5af6ac3a49

SHA256
c63f1129ec3f76115b0c79ec5fa7e8202328de6b2d90d1444fa55ad998f563ad

SHA512
0deeea41b353f1ce3a155b65265ded18206b550cebbfb772ac3fca7e9b47b57d5f6283352cc89f6608602cf186e2a785ea1737504a00751118e0eda874825642

Download Submit
memory/2528-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2528-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2528-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2528-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2528-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2528-14-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2804-13-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2860-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2860-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2860-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2860-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2860-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads