tofsee | 360f1feceab5a16cd0a3a2d955380d613aee482172bcadc1a700248fb62f39c9

Analysis

max time kernel
144s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-01-2025 18:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe
Size

14.1MB
MD5

59add1cca37057d8d2bf397f9a6c0da7
SHA1

240a0a464b6184b25b6a3b46f506f65b5545d824
SHA256

360f1feceab5a16cd0a3a2d955380d613aee482172bcadc1a700248fb62f39c9
SHA512

3f03f09e004f1698b4e4691388c44a2c7c0bcecc711f0b4fa0bb8b11a2c8da284cda4053ccffcaa9e0891beed2463f2e246c5d5e4867e29eaab96aa15422b88c
SSDEEP

24576:rEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZR:4fot

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\uhkuospo = "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
2572	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\uhkuospo\ImagePath = "C:\\Windows\\SysWOW64\\uhkuospo\\ihvxlijb.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2780	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2772	ihvxlijb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2772 set thread context of 2780	2772	ihvxlijb.exe	39

Launches sc.exe 3 IoCs

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

pid	Process
2652	sc.exe
2232	sc.exe
2736	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_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	ihvxlijb.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2604	2124	2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe	28
PID 2124 wrote to memory of 2604	2124	2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe	28
PID 2124 wrote to memory of 2604	2124	2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe	28
PID 2124 wrote to memory of 2604	2124	2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe	28
PID 2124 wrote to memory of 2712	2124	2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe	30
PID 2124 wrote to memory of 2712	2124	2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe	30
PID 2124 wrote to memory of 2712	2124	2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe	30
PID 2124 wrote to memory of 2712	2124	2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe	30
PID 2124 wrote to memory of 2652	2124	2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe	32
PID 2124 wrote to memory of 2652	2124	2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe	32
PID 2124 wrote to memory of 2652	2124	2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe	32
PID 2124 wrote to memory of 2652	2124	2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe	32
PID 2124 wrote to memory of 2232	2124	2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe	34
PID 2124 wrote to memory of 2232	2124	2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe	34
PID 2124 wrote to memory of 2232	2124	2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe	34
PID 2124 wrote to memory of 2232	2124	2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe	34
PID 2124 wrote to memory of 2736	2124	2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe	36
PID 2124 wrote to memory of 2736	2124	2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe	36
PID 2124 wrote to memory of 2736	2124	2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe	36
PID 2124 wrote to memory of 2736	2124	2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe	36
PID 2772 wrote to memory of 2780	2772	ihvxlijb.exe	39
PID 2772 wrote to memory of 2780	2772	ihvxlijb.exe	39
PID 2772 wrote to memory of 2780	2772	ihvxlijb.exe	39
PID 2772 wrote to memory of 2780	2772	ihvxlijb.exe	39
PID 2772 wrote to memory of 2780	2772	ihvxlijb.exe	39
PID 2772 wrote to memory of 2780	2772	ihvxlijb.exe	39
PID 2124 wrote to memory of 2572	2124	2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe	40
PID 2124 wrote to memory of 2572	2124	2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe	40
PID 2124 wrote to memory of 2572	2124	2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe	40
PID 2124 wrote to memory of 2572	2124	2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe	40

C:\Users\Admin\AppData\Local\Temp\2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\uhkuospo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2604
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ihvxlijb.exe" C:\Windows\SysWOW64\uhkuospo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2712
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create uhkuospo binPath= "C:\Windows\SysWOW64\uhkuospo\ihvxlijb.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2652
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description uhkuospo "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2232
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start uhkuospo
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2736
- 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:2572

C:\Windows\SysWOW64\uhkuospo\ihvxlijb.exe
C:\Windows\SysWOW64\uhkuospo\ihvxlijb.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-26_59add1cca37057d8d2bf397f9a6c0da7_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2772
- 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:2780

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
12.8MB

MD5
f5054c9a02496604cf0b8056cf93c1cc

SHA1
3d6ef2b40301f1516faf78ee4934c34fcfa702ea

SHA256
6503d73401ad60d117bfa05a219df29dfe1d6099f8385549fb7db290e3fac028

SHA512
8b44509423b12f2f6fd7d547b7c8070ce445fbf2ea69d03bb5b3b581f0b19e969184c31e9e1bb4effaa5248514fd858e763038081c9440615e9046f3f62e91ae

Download Submit
memory/2124-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2124-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2124-1-0x0000000000610000-0x0000000000710000-memory.dmp

Filesize
1024KB

Download
memory/2124-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2124-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2124-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2772-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2780-8-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2780-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2780-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2780-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2780-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads