tofsee | 0bb8c786641edd50ada305f84b274007bc53fbfd4fe1ffc25d88d5aa8c36776b

Analysis

max time kernel
145s
max time network
116s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
27-01-2025 18:51

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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\hinwjosb = "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
2532	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\hinwjosb\ImagePath = "C:\\Windows\\SysWOW64\\hinwjosb\\zmyvobgq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
304	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2776	zmyvobgq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2776 set thread context of 304	2776	zmyvobgq.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2924	sc.exe
2472	sc.exe
2668	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	svchost.exe
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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zmyvobgq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 2952	2604	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	29
PID 2604 wrote to memory of 2952	2604	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	29
PID 2604 wrote to memory of 2952	2604	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	29
PID 2604 wrote to memory of 2952	2604	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	29
PID 2604 wrote to memory of 2288	2604	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	31
PID 2604 wrote to memory of 2288	2604	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	31
PID 2604 wrote to memory of 2288	2604	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	31
PID 2604 wrote to memory of 2288	2604	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	31
PID 2604 wrote to memory of 2924	2604	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	33
PID 2604 wrote to memory of 2924	2604	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	33
PID 2604 wrote to memory of 2924	2604	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	33
PID 2604 wrote to memory of 2924	2604	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	33
PID 2604 wrote to memory of 2472	2604	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	35
PID 2604 wrote to memory of 2472	2604	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	35
PID 2604 wrote to memory of 2472	2604	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	35
PID 2604 wrote to memory of 2472	2604	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	35
PID 2604 wrote to memory of 2668	2604	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	37
PID 2604 wrote to memory of 2668	2604	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	37
PID 2604 wrote to memory of 2668	2604	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	37
PID 2604 wrote to memory of 2668	2604	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	37
PID 2604 wrote to memory of 2532	2604	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	40
PID 2604 wrote to memory of 2532	2604	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	40
PID 2604 wrote to memory of 2532	2604	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	40
PID 2604 wrote to memory of 2532	2604	2025-01-27_92661afbd99d23847a0d397ed66ef9f6_mafia.exe	40
PID 2776 wrote to memory of 304	2776	zmyvobgq.exe	42
PID 2776 wrote to memory of 304	2776	zmyvobgq.exe	42
PID 2776 wrote to memory of 304	2776	zmyvobgq.exe	42
PID 2776 wrote to memory of 304	2776	zmyvobgq.exe	42
PID 2776 wrote to memory of 304	2776	zmyvobgq.exe	42
PID 2776 wrote to memory of 304	2776	zmyvobgq.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:2604
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hinwjosb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2952
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zmyvobgq.exe" C:\Windows\SysWOW64\hinwjosb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2288
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hinwjosb binPath= "C:\Windows\SysWOW64\hinwjosb\zmyvobgq.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:2924
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hinwjosb "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2472
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hinwjosb
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2668
- 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:2532

C:\Windows\SysWOW64\hinwjosb\zmyvobgq.exe
C:\Windows\SysWOW64\hinwjosb\zmyvobgq.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:2776
- 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:304

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\zmyvobgq.exe

Filesize
12.9MB

MD5
00fdfe30f2a51b6015d20e0e9e89bbaa

SHA1
7d4f8d4c12f2ffc18efd78a14299a3b51099c062

SHA256
c28b144cd161c026270742b63040e4d0479ee7cf91008020ab6f3902becf26a6

SHA512
d1e58cb4fc3ee90717f1dc0cf195b1779b209786b697818d03f67036b50cb3a582ab2c77e66b7cdf0cd8e4e00d3c26becff3f8f514c8ebdcc275e47d1e9cdc79

Download Submit
memory/304-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/304-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/304-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/304-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/304-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2604-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2604-2-0x00000000003A0000-0x00000000003B3000-memory.dmp

Filesize
76KB

Download
memory/2604-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2604-8-0x00000000003A0000-0x00000000003B3000-memory.dmp

Filesize
76KB

Download
memory/2604-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2604-1-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/2776-17-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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