tofsee | f234e31303e9c4e0b680675af97d1d86923809c1edfceb3732d560b15fcd4fd6

Analysis

max time kernel
145s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-01-2025 06:06

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe
Size

13.0MB
MD5

7d70bebfafa8dfcdf62e4c39c754df0d
SHA1

926c63c7963ab84c5e1fef15fbd75f09834b22ac
SHA256

f234e31303e9c4e0b680675af97d1d86923809c1edfceb3732d560b15fcd4fd6
SHA512

2138409fa506ffffe5c2b0f2ed648ac4880d2ae15d869b8b5f4415e9c2115bb545087128090def3379d9026d2d965e100eb4a13e8f1eda0d24d7ce0eb7fc7314
SSDEEP

24576:qpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttA:+ooW

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\tybqardp = "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
2596	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\tybqardp\ImagePath = "C:\\Windows\\SysWOW64\\tybqardp\\eyypajac.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2868	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2732	eyypajac.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2732 set thread context of 2868	2732	eyypajac.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
1652	sc.exe
2260	sc.exe
2776	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	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	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eyypajac.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 1764	2340	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	30
PID 2340 wrote to memory of 1764	2340	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	30
PID 2340 wrote to memory of 1764	2340	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	30
PID 2340 wrote to memory of 1764	2340	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	30
PID 2340 wrote to memory of 1960	2340	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	32
PID 2340 wrote to memory of 1960	2340	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	32
PID 2340 wrote to memory of 1960	2340	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	32
PID 2340 wrote to memory of 1960	2340	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	32
PID 2340 wrote to memory of 2260	2340	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	34
PID 2340 wrote to memory of 2260	2340	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	34
PID 2340 wrote to memory of 2260	2340	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	34
PID 2340 wrote to memory of 2260	2340	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	34
PID 2340 wrote to memory of 2776	2340	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	36
PID 2340 wrote to memory of 2776	2340	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	36
PID 2340 wrote to memory of 2776	2340	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	36
PID 2340 wrote to memory of 2776	2340	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	36
PID 2340 wrote to memory of 1652	2340	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	38
PID 2340 wrote to memory of 1652	2340	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	38
PID 2340 wrote to memory of 1652	2340	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	38
PID 2340 wrote to memory of 1652	2340	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	38
PID 2732 wrote to memory of 2868	2732	eyypajac.exe	41
PID 2732 wrote to memory of 2868	2732	eyypajac.exe	41
PID 2732 wrote to memory of 2868	2732	eyypajac.exe	41
PID 2732 wrote to memory of 2868	2732	eyypajac.exe	41
PID 2732 wrote to memory of 2868	2732	eyypajac.exe	41
PID 2732 wrote to memory of 2868	2732	eyypajac.exe	41
PID 2340 wrote to memory of 2596	2340	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	42
PID 2340 wrote to memory of 2596	2340	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	42
PID 2340 wrote to memory of 2596	2340	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	42
PID 2340 wrote to memory of 2596	2340	2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tybqardp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1764
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\eyypajac.exe" C:\Windows\SysWOW64\tybqardp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1960
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create tybqardp binPath= "C:\Windows\SysWOW64\tybqardp\eyypajac.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2260
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description tybqardp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2776
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start tybqardp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1652
- 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:2596

C:\Windows\SysWOW64\tybqardp\eyypajac.exe
C:\Windows\SysWOW64\tybqardp\eyypajac.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_7d70bebfafa8dfcdf62e4c39c754df0d_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2732
- 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:2868

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\eyypajac.exe

Filesize
13.8MB

MD5
3ea6b2e6df4ef5d7fc9ed7c05bfb3607

SHA1
a7c46ace32d3144c86107ca44c986aa6f22b2cee

SHA256
f5b7f9aafbd948469efcfdafa7355fe9a9871529d3c40ad9fb49f3bb9806db89

SHA512
bee217097d4bd81809ab62640856431a03fb1f322cd699b56c25064b4636c29e113d549cd07cff6799df6cb062343c69e9846941db59bf6aa09fad881dd47ac1

Download Submit
memory/2340-1-0x0000000000600000-0x0000000000700000-memory.dmp

Filesize
1024KB

Download
memory/2340-3-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2340-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2340-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2340-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2732-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2868-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2868-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2868-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2868-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2868-18-0x0000000000080000-0x0000000000095000-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