tofsee | 0bb8c786641edd50ada305f84b274007bc53fbfd4fe1ffc25d88d5aa8c36776b

Analysis

max time kernel
144s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27/01/2025, 18:43

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General

Target

2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe
Size

15.0MB
MD5

92661afbd99d23847a0d397ed66ef9f6
SHA1

0e788a3d9d87ee64e56f4f8c90de78e6cbf9b54f
SHA256

0bb8c786641edd50ada305f84b274007bc53fbfd4fe1ffc25d88d5aa8c36776b
SHA512

5f4a15394a8905838b129554cac1cfc83dcd164fdd68e2ab010cedb9a087bf0ffd0a5a192a30e63f3fb7a9bf27b740e551ee8d76b568b7b3ba2412170fffb55d
SSDEEP

24576:fEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZb:cfot

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\tjlrharo = "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
2616	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\tjlrharo\ImagePath = "C:\\Windows\\SysWOW64\\tjlrharo\\wnvtdyft.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1908	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2592	wnvtdyft.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2592 set thread context of 1908	2592	wnvtdyft.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2736	sc.exe
2600	sc.exe
2824	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	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	wnvtdyft.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2808	2684	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	30
PID 2684 wrote to memory of 2808	2684	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	30
PID 2684 wrote to memory of 2808	2684	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	30
PID 2684 wrote to memory of 2808	2684	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	30
PID 2684 wrote to memory of 2580	2684	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	32
PID 2684 wrote to memory of 2580	2684	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	32
PID 2684 wrote to memory of 2580	2684	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	32
PID 2684 wrote to memory of 2580	2684	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	32
PID 2684 wrote to memory of 2736	2684	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	34
PID 2684 wrote to memory of 2736	2684	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	34
PID 2684 wrote to memory of 2736	2684	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	34
PID 2684 wrote to memory of 2736	2684	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	34
PID 2684 wrote to memory of 2600	2684	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	36
PID 2684 wrote to memory of 2600	2684	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	36
PID 2684 wrote to memory of 2600	2684	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	36
PID 2684 wrote to memory of 2600	2684	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	36
PID 2684 wrote to memory of 2824	2684	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	38
PID 2684 wrote to memory of 2824	2684	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	38
PID 2684 wrote to memory of 2824	2684	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	38
PID 2684 wrote to memory of 2824	2684	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	38
PID 2592 wrote to memory of 1908	2592	wnvtdyft.exe	41
PID 2592 wrote to memory of 1908	2592	wnvtdyft.exe	41
PID 2592 wrote to memory of 1908	2592	wnvtdyft.exe	41
PID 2592 wrote to memory of 1908	2592	wnvtdyft.exe	41
PID 2592 wrote to memory of 1908	2592	wnvtdyft.exe	41
PID 2592 wrote to memory of 1908	2592	wnvtdyft.exe	41
PID 2684 wrote to memory of 2616	2684	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	42
PID 2684 wrote to memory of 2616	2684	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	42
PID 2684 wrote to memory of 2616	2684	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	42
PID 2684 wrote to memory of 2616	2684	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tjlrharo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2808
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wnvtdyft.exe" C:\Windows\SysWOW64\tjlrharo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2580
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create tjlrharo binPath= "C:\Windows\SysWOW64\tjlrharo\wnvtdyft.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2736
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description tjlrharo "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2600
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start tjlrharo
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2824
- 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:2616

C:\Windows\SysWOW64\tjlrharo\wnvtdyft.exe
C:\Windows\SysWOW64\tjlrharo\wnvtdyft.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2592
- 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:1908

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\wnvtdyft.exe

Filesize
12.4MB

MD5
a75a62e862580d74adb1b516372d70cc

SHA1
09a0fc4932066f7c09eed07ff4d05f0d4f84208c

SHA256
af9dd67f1583a7ce33474f070a4e1a6e87a317582fc87b1fc5865f497f524a3a

SHA512
7ca2a161da06fa45bdc47000db8762a18c87a1cf6b2da9083c6dd6e30e9816d4402fb00ef426dd798c44ff67e33011e89ca5c4e5e9a1bcaae0f304c2fc21bde2

Download Submit
memory/1908-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1908-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1908-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1908-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1908-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2592-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2684-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2684-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2684-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download
memory/2684-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2684-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2684-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads