tofsee | 62ca5f1905eb749a4e3ffd61addfb03585a7b4159510e776c3872436c2ececdb

Analysis

max time kernel
141s
max time network
127s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07-02-2025 20:55

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General

Target

2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe
Size

10.9MB
MD5

2f2f89e2b33d2f20ebec6be976256c40
SHA1

2af56019e0f723893eececfbb11f59f465b1a75f
SHA256

62ca5f1905eb749a4e3ffd61addfb03585a7b4159510e776c3872436c2ececdb
SHA512

9a132b447bee185baeb62ee525af1083afa24cf9b16fdfa871ce343922341d1cc1a71f38652f0b700057d9673e16fa8999108b20971a185d3cad2f7cafdc3331
SSDEEP

196608:KyXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXH:/XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

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\dsjvjebx = "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
2992	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\dsjvjebx\ImagePath = "C:\\Windows\\SysWOW64\\dsjvjebx\\tphhetsg.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2944	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2172	tphhetsg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2172 set thread context of 2944	2172	tphhetsg.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2884	sc.exe
3008	sc.exe
3060	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tphhetsg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 2464	1552	2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe	30
PID 1552 wrote to memory of 2464	1552	2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe	30
PID 1552 wrote to memory of 2464	1552	2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe	30
PID 1552 wrote to memory of 2464	1552	2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe	30
PID 1552 wrote to memory of 2212	1552	2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe	32
PID 1552 wrote to memory of 2212	1552	2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe	32
PID 1552 wrote to memory of 2212	1552	2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe	32
PID 1552 wrote to memory of 2212	1552	2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe	32
PID 1552 wrote to memory of 3008	1552	2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe	34
PID 1552 wrote to memory of 3008	1552	2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe	34
PID 1552 wrote to memory of 3008	1552	2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe	34
PID 1552 wrote to memory of 3008	1552	2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe	34
PID 1552 wrote to memory of 3060	1552	2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe	36
PID 1552 wrote to memory of 3060	1552	2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe	36
PID 1552 wrote to memory of 3060	1552	2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe	36
PID 1552 wrote to memory of 3060	1552	2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe	36
PID 1552 wrote to memory of 2884	1552	2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe	38
PID 1552 wrote to memory of 2884	1552	2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe	38
PID 1552 wrote to memory of 2884	1552	2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe	38
PID 1552 wrote to memory of 2884	1552	2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe	38
PID 1552 wrote to memory of 2992	1552	2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe	40
PID 1552 wrote to memory of 2992	1552	2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe	40
PID 1552 wrote to memory of 2992	1552	2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe	40
PID 1552 wrote to memory of 2992	1552	2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe	40
PID 2172 wrote to memory of 2944	2172	tphhetsg.exe	43
PID 2172 wrote to memory of 2944	2172	tphhetsg.exe	43
PID 2172 wrote to memory of 2944	2172	tphhetsg.exe	43
PID 2172 wrote to memory of 2944	2172	tphhetsg.exe	43
PID 2172 wrote to memory of 2944	2172	tphhetsg.exe	43
PID 2172 wrote to memory of 2944	2172	tphhetsg.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1552
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dsjvjebx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2464
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tphhetsg.exe" C:\Windows\SysWOW64\dsjvjebx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2212
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create dsjvjebx binPath= "C:\Windows\SysWOW64\dsjvjebx\tphhetsg.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3008
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description dsjvjebx "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3060
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start dsjvjebx
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2884
- 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:2992

C:\Windows\SysWOW64\dsjvjebx\tphhetsg.exe
C:\Windows\SysWOW64\dsjvjebx\tphhetsg.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-07_2f2f89e2b33d2f20ebec6be976256c40_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2172
- 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:2944

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\tphhetsg.exe

Filesize
11.5MB

MD5
d2223bb43c59bab6f64df04924340729

SHA1
55e18cfcda23ba1f5e074a2075b5395b9df79ce0

SHA256
fc2e90bc1f925c00c5736fe3c5c0f672e51627e7fdfe82528dfb1eab9dfda56a

SHA512
3a9c5e5d6a823f964c0931dd5738988b0437da0517d058d5e48bfaf752c524eef5597d43bb1fee30902de9c8f12445840e8bd590ba9ba23b278cb87f5c91d99d

Download Submit
memory/1552-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1552-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1552-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1552-7-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1552-6-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1552-1-0x0000000000630000-0x0000000000730000-memory.dmp

Filesize
1024KB

Download
memory/2172-17-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2944-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2944-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2944-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2944-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2944-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads