tofsee | 48e7b778ae9117667ac84d55b7b88ff40ba977f1627c12bc4d79fbe8b9143eaa

Analysis

max time kernel
162s
max time network
164s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07-02-2025 20:58

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General

Target

2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe
Size

10.4MB
MD5

424a707fc12c3f43b9e536f3c6b1690d
SHA1

402e3393e6df609c5640da49290dbd415bbbc791
SHA256

48e7b778ae9117667ac84d55b7b88ff40ba977f1627c12bc4d79fbe8b9143eaa
SHA512

fddb96c53a01dfe8389a09dd399f98096f578ee50df1794e96c10533c7350000ce9f99cbf49d4f7a8d14f2b57e2bba5c89b83b30af6e16065d62d89f72ae059d
SSDEEP

3072:zLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:6OMdRQr7OB0ypmMXnl8XEPM3noSWOC

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\sfjjvuoo = "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
2016	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\sfjjvuoo\ImagePath = "C:\\Windows\\SysWOW64\\sfjjvuoo\\mojpivf.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1944	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2444	mojpivf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2444 set thread context of 1944	2444	mojpivf.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
3044	sc.exe
2976	sc.exe
2816	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	mojpivf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 2024	2192	2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe	29
PID 2192 wrote to memory of 2024	2192	2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe	29
PID 2192 wrote to memory of 2024	2192	2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe	29
PID 2192 wrote to memory of 2024	2192	2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe	29
PID 2192 wrote to memory of 3052	2192	2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe	31
PID 2192 wrote to memory of 3052	2192	2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe	31
PID 2192 wrote to memory of 3052	2192	2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe	31
PID 2192 wrote to memory of 3052	2192	2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe	31
PID 2192 wrote to memory of 2816	2192	2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe	33
PID 2192 wrote to memory of 2816	2192	2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe	33
PID 2192 wrote to memory of 2816	2192	2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe	33
PID 2192 wrote to memory of 2816	2192	2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe	33
PID 2192 wrote to memory of 3044	2192	2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe	35
PID 2192 wrote to memory of 3044	2192	2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe	35
PID 2192 wrote to memory of 3044	2192	2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe	35
PID 2192 wrote to memory of 3044	2192	2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe	35
PID 2192 wrote to memory of 2976	2192	2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe	37
PID 2192 wrote to memory of 2976	2192	2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe	37
PID 2192 wrote to memory of 2976	2192	2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe	37
PID 2192 wrote to memory of 2976	2192	2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe	37
PID 2192 wrote to memory of 2016	2192	2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe	39
PID 2192 wrote to memory of 2016	2192	2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe	39
PID 2192 wrote to memory of 2016	2192	2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe	39
PID 2192 wrote to memory of 2016	2192	2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe	39
PID 2444 wrote to memory of 1944	2444	mojpivf.exe	42
PID 2444 wrote to memory of 1944	2444	mojpivf.exe	42
PID 2444 wrote to memory of 1944	2444	mojpivf.exe	42
PID 2444 wrote to memory of 1944	2444	mojpivf.exe	42
PID 2444 wrote to memory of 1944	2444	mojpivf.exe	42
PID 2444 wrote to memory of 1944	2444	mojpivf.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\sfjjvuoo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2024
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\mojpivf.exe" C:\Windows\SysWOW64\sfjjvuoo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3052
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create sfjjvuoo binPath= "C:\Windows\SysWOW64\sfjjvuoo\mojpivf.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2816
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description sfjjvuoo "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3044
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start sfjjvuoo
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2976
- 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:2016

C:\Windows\SysWOW64\sfjjvuoo\mojpivf.exe
C:\Windows\SysWOW64\sfjjvuoo\mojpivf.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-07_424a707fc12c3f43b9e536f3c6b1690d_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2444
- 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:1944

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\mojpivf.exe

Filesize
12.5MB

MD5
927ac2ca8864f2da3b3bb0bf0597d7ff

SHA1
5fb308163f133e9e3d1efafd4a835603086df090

SHA256
cb9be79dd088ee419ff00e54fd392134dd43c2297c8df28184f018b64aadd3fb

SHA512
0f987c9f6e26bef674770d6b58e4c73d659f411255efbb3c83e7bf336cb0a2f8348e5f8ed05870107d343601c3731f311a926398a6a534ef86b20164a0e5ffb5

Download Submit
memory/1944-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1944-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/1944-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/1944-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/1944-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2192-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2192-1-0x00000000004F0000-0x00000000005F0000-memory.dmp

Filesize
1024KB

Download
memory/2192-6-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2192-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2192-7-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2192-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2444-16-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads