tofsee | 012b2dc2827ee31a0b8ccef828799f12e23a8d9c3d2915289f60189b4af51180

Analysis

max time kernel
144s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/01/2025, 03:10

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General

Target

2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe
Size

11.8MB
MD5

5c5fc14632ee6c8f8bd6fb6664f59b29
SHA1

3b59669ccf60c1b2800aca7a2112e48623f2fcb4
SHA256

012b2dc2827ee31a0b8ccef828799f12e23a8d9c3d2915289f60189b4af51180
SHA512

6800f18817a67d2d92afdcb00fb9907d11d0206ac6e82264d756fb2a11c62b10710222b8b4df51384f0f3a23f97c90c2f5a3cc9b5989ff2d8f76231b92efca39
SSDEEP

196608:LyXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:mXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXn

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\paxbwlto = "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
2936	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\paxbwlto\ImagePath = "C:\\Windows\\SysWOW64\\paxbwlto\\egbhanx.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2792	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2696	egbhanx.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2696 set thread context of 2792	2696	egbhanx.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
1200	sc.exe
2264	sc.exe
2228	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	egbhanx.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	2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 2080	2296	2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe	30
PID 2296 wrote to memory of 2080	2296	2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe	30
PID 2296 wrote to memory of 2080	2296	2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe	30
PID 2296 wrote to memory of 2080	2296	2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe	30
PID 2296 wrote to memory of 2516	2296	2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe	32
PID 2296 wrote to memory of 2516	2296	2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe	32
PID 2296 wrote to memory of 2516	2296	2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe	32
PID 2296 wrote to memory of 2516	2296	2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe	32
PID 2296 wrote to memory of 1200	2296	2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe	34
PID 2296 wrote to memory of 1200	2296	2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe	34
PID 2296 wrote to memory of 1200	2296	2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe	34
PID 2296 wrote to memory of 1200	2296	2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe	34
PID 2296 wrote to memory of 2264	2296	2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe	36
PID 2296 wrote to memory of 2264	2296	2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe	36
PID 2296 wrote to memory of 2264	2296	2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe	36
PID 2296 wrote to memory of 2264	2296	2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe	36
PID 2296 wrote to memory of 2228	2296	2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe	38
PID 2296 wrote to memory of 2228	2296	2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe	38
PID 2296 wrote to memory of 2228	2296	2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe	38
PID 2296 wrote to memory of 2228	2296	2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe	38
PID 2696 wrote to memory of 2792	2696	egbhanx.exe	41
PID 2696 wrote to memory of 2792	2696	egbhanx.exe	41
PID 2696 wrote to memory of 2792	2696	egbhanx.exe	41
PID 2696 wrote to memory of 2792	2696	egbhanx.exe	41
PID 2696 wrote to memory of 2792	2696	egbhanx.exe	41
PID 2696 wrote to memory of 2792	2696	egbhanx.exe	41
PID 2296 wrote to memory of 2936	2296	2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe	42
PID 2296 wrote to memory of 2936	2296	2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe	42
PID 2296 wrote to memory of 2936	2296	2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe	42
PID 2296 wrote to memory of 2936	2296	2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\paxbwlto\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2080
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\egbhanx.exe" C:\Windows\SysWOW64\paxbwlto\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2516
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create paxbwlto binPath= "C:\Windows\SysWOW64\paxbwlto\egbhanx.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1200
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description paxbwlto "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2264
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start paxbwlto
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2228
- 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:2936

C:\Windows\SysWOW64\paxbwlto\egbhanx.exe
C:\Windows\SysWOW64\paxbwlto\egbhanx.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-29_5c5fc14632ee6c8f8bd6fb6664f59b29_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2696
- 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:2792

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\egbhanx.exe

Filesize
12.7MB

MD5
60294a370468821c5d6e7955ac7f3eb6

SHA1
ab54b924c29c0a02f6a1980124c7227bcbafd79f

SHA256
e2c5daf071334588508f6f00fc239ac97a17e8a71d10e116cd248da797596373

SHA512
bc40aea6d2341b5fd0660385724ce060cb96567edd8f8e1b518a71887df38c8c6e8a69c154aa889dc7907b6aaf6ca49147b1c863b476660132f8a1408be65b22

Download Submit
memory/2296-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2296-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2296-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2296-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2296-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/2296-14-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2696-13-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2792-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2792-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2792-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2792-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2792-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads