tofsee | c8168e252d66c907dd3f08216091330e989beb9f5f39e09a3775a9d10d157c45

Analysis

max time kernel
144s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/02/2025, 21:14

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe
Size

11.7MB
MD5

65a3d9af44eb20cfc288db3372369d7d
SHA1

fd7c2c1fb7d3f26607fe3c5d67a9bd32d4390961
SHA256

c8168e252d66c907dd3f08216091330e989beb9f5f39e09a3775a9d10d157c45
SHA512

49b24870e57053898fc9ea7fdd552f493fee3776ac6e49bc64e12af6d420830a4299f22f2b186a2fd8f8e7525138e49e5f016a596cb8a3ad976dde43c34b3de5
SSDEEP

3072:5LBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:8OMdRQr7OB0ypmMXnl8XEPM3noSWOC

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\uwejlftl = "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
2580	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\uwejlftl\ImagePath = "C:\\Windows\\SysWOW64\\uwejlftl\\hdvvshgu.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2680	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2900	hdvvshgu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2900 set thread context of 2680	2900	hdvvshgu.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2964	sc.exe
2656	sc.exe
2788	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hdvvshgu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 2148	2932	2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe	31
PID 2932 wrote to memory of 2148	2932	2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe	31
PID 2932 wrote to memory of 2148	2932	2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe	31
PID 2932 wrote to memory of 2148	2932	2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe	31
PID 2932 wrote to memory of 380	2932	2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe	33
PID 2932 wrote to memory of 380	2932	2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe	33
PID 2932 wrote to memory of 380	2932	2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe	33
PID 2932 wrote to memory of 380	2932	2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe	33
PID 2932 wrote to memory of 2964	2932	2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe	35
PID 2932 wrote to memory of 2964	2932	2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe	35
PID 2932 wrote to memory of 2964	2932	2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe	35
PID 2932 wrote to memory of 2964	2932	2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe	35
PID 2932 wrote to memory of 2656	2932	2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe	37
PID 2932 wrote to memory of 2656	2932	2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe	37
PID 2932 wrote to memory of 2656	2932	2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe	37
PID 2932 wrote to memory of 2656	2932	2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe	37
PID 2932 wrote to memory of 2788	2932	2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe	39
PID 2932 wrote to memory of 2788	2932	2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe	39
PID 2932 wrote to memory of 2788	2932	2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe	39
PID 2932 wrote to memory of 2788	2932	2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe	39
PID 2900 wrote to memory of 2680	2900	hdvvshgu.exe	42
PID 2900 wrote to memory of 2680	2900	hdvvshgu.exe	42
PID 2900 wrote to memory of 2680	2900	hdvvshgu.exe	42
PID 2900 wrote to memory of 2680	2900	hdvvshgu.exe	42
PID 2900 wrote to memory of 2680	2900	hdvvshgu.exe	42
PID 2900 wrote to memory of 2680	2900	hdvvshgu.exe	42
PID 2932 wrote to memory of 2580	2932	2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe	43
PID 2932 wrote to memory of 2580	2932	2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe	43
PID 2932 wrote to memory of 2580	2932	2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe	43
PID 2932 wrote to memory of 2580	2932	2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\uwejlftl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2148
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hdvvshgu.exe" C:\Windows\SysWOW64\uwejlftl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:380
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create uwejlftl binPath= "C:\Windows\SysWOW64\uwejlftl\hdvvshgu.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2964
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description uwejlftl "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2656
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start uwejlftl
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2788
- 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:2580

C:\Windows\SysWOW64\uwejlftl\hdvvshgu.exe
C:\Windows\SysWOW64\uwejlftl\hdvvshgu.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-03_65a3d9af44eb20cfc288db3372369d7d_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2900
- 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:2680

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\hdvvshgu.exe

Filesize
10.2MB

MD5
dcffc4c3c76b41a98da33ee27e9f59e6

SHA1
dfe2b55d2033331f291cc420f8bd3a57f3d11e40

SHA256
35f1c59aa97ad1a2056b52690d546e57c412ca39cd5b0fe3ca68cd07ef7c1b4c

SHA512
177ab2ebfb019f36b80f1f9886cb303fa21ab9fb0bbc7de31ab2d2b1931e80d14c3ed447d1bdee24d885976fe084e4c90ce89013960505b2db00a8c17ef4bade

Download Submit
memory/2680-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2680-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2680-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2680-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2680-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2900-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2932-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2932-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2932-1-0x0000000000530000-0x0000000000630000-memory.dmp

Filesize
1024KB

Download
memory/2932-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2932-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2932-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads