tofsee | 23add7fb45eafa098b31903d7ee76734723361eb68c915b07e2fc14ec4088e89

Analysis

max time kernel
148s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-01-2025 16:31

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General

Target

2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe
Size

10.1MB
MD5

8ba95e2c690ea0eaae268ccbea0bf6a5
SHA1

347c94a8d5128b256eb0469229158d998c10a8b7
SHA256

23add7fb45eafa098b31903d7ee76734723361eb68c915b07e2fc14ec4088e89
SHA512

a0d54ccf907d79edfb2f4a24251051a1fda83c0949b35a11e50c973d69e468906b6a59be30544ee5eaf013414912e4f4a6e2e9e3c4d1c49784827b8778260301
SSDEEP

24576:n6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQP:6WdLQk

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\jvubgthi = "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
2656	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\jvubgthi\ImagePath = "C:\\Windows\\SysWOW64\\jvubgthi\\psyshsdj.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2580	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2252	psyshsdj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2252 set thread context of 2580	2252	psyshsdj.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2916	sc.exe
2664	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	psyshsdj.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2832 wrote to memory of 2780	2832	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	30
PID 2832 wrote to memory of 2780	2832	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	30
PID 2832 wrote to memory of 2780	2832	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	30
PID 2832 wrote to memory of 2780	2832	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	30
PID 2832 wrote to memory of 2644	2832	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	32
PID 2832 wrote to memory of 2644	2832	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	32
PID 2832 wrote to memory of 2644	2832	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	32
PID 2832 wrote to memory of 2644	2832	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	32
PID 2832 wrote to memory of 2916	2832	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	34
PID 2832 wrote to memory of 2916	2832	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	34
PID 2832 wrote to memory of 2916	2832	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	34
PID 2832 wrote to memory of 2916	2832	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	34
PID 2832 wrote to memory of 2664	2832	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	36
PID 2832 wrote to memory of 2664	2832	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	36
PID 2832 wrote to memory of 2664	2832	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	36
PID 2832 wrote to memory of 2664	2832	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	36
PID 2832 wrote to memory of 2824	2832	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	38
PID 2832 wrote to memory of 2824	2832	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	38
PID 2832 wrote to memory of 2824	2832	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	38
PID 2832 wrote to memory of 2824	2832	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	38
PID 2832 wrote to memory of 2656	2832	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	40
PID 2832 wrote to memory of 2656	2832	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	40
PID 2832 wrote to memory of 2656	2832	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	40
PID 2832 wrote to memory of 2656	2832	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	40
PID 2252 wrote to memory of 2580	2252	psyshsdj.exe	43
PID 2252 wrote to memory of 2580	2252	psyshsdj.exe	43
PID 2252 wrote to memory of 2580	2252	psyshsdj.exe	43
PID 2252 wrote to memory of 2580	2252	psyshsdj.exe	43
PID 2252 wrote to memory of 2580	2252	psyshsdj.exe	43
PID 2252 wrote to memory of 2580	2252	psyshsdj.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2832
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jvubgthi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2780
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\psyshsdj.exe" C:\Windows\SysWOW64\jvubgthi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2644
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jvubgthi binPath= "C:\Windows\SysWOW64\jvubgthi\psyshsdj.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2916
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jvubgthi "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2664
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jvubgthi
  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:2656

C:\Windows\SysWOW64\jvubgthi\psyshsdj.exe
C:\Windows\SysWOW64\jvubgthi\psyshsdj.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2252
- 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:2580

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\psyshsdj.exe

Filesize
11.5MB

MD5
e3189e54972938db3b54c88822f37ae7

SHA1
fbbd284a5746cd17a95f528a8864c1e498b6a48a

SHA256
ea4a8b089dc1c056dc5c83e45fbc6abb5b0ccda697c6f11f7a8e0c3e667d4ed9

SHA512
36fd88dae2a78d2dc81a8a8b95dfc20349ecd3cc4d0857544a739b16876e18a12d1f519bd8c01ed4b011c9d1f149f6a865bccbb80adf931220823d2b9c2d2dc3

Download Submit
memory/2252-15-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2580-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2580-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2580-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2580-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2580-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2580-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2832-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2832-7-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2832-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2832-6-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2832-1-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/2832-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads