tofsee | 63438e509a8a7f7123a45b73eed3ffe053ccf822bb846c910489aaa09cf4ff5c

Analysis

max time kernel
144s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-01-2025 18:55

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General

Target

2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe
Size

10.7MB
MD5

1f4a4a6b40d626bd540eb7d712674869
SHA1

50d3ab9cd6af07bb228319c1b11bd2880d6c2a61
SHA256

63438e509a8a7f7123a45b73eed3ffe053ccf822bb846c910489aaa09cf4ff5c
SHA512

da9e39aaeebb6c3029cdccf4781545f833b41351560f8e22311c21d84503f958e2d9c5a4e28504b01ac7952d1423da14b0b93ccadacd2c5bbc1f65cce61a29d8
SSDEEP

24576:HpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttv:Joo

Score

10^/10

tofsee discovery evasion 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

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\ffvpchlw = "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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2320	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\ffvpchlw\ImagePath = "C:\\Windows\\SysWOW64\\ffvpchlw\\wqqhsbsu.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
580	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3068	wqqhsbsu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3068 set thread context of 580	3068	wqqhsbsu.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2636	sc.exe
2584	sc.exe
316	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	wqqhsbsu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 2984	2904	2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe	30
PID 2904 wrote to memory of 2984	2904	2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe	30
PID 2904 wrote to memory of 2984	2904	2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe	30
PID 2904 wrote to memory of 2984	2904	2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe	30
PID 2904 wrote to memory of 2872	2904	2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe	32
PID 2904 wrote to memory of 2872	2904	2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe	32
PID 2904 wrote to memory of 2872	2904	2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe	32
PID 2904 wrote to memory of 2872	2904	2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe	32
PID 2904 wrote to memory of 316	2904	2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe	34
PID 2904 wrote to memory of 316	2904	2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe	34
PID 2904 wrote to memory of 316	2904	2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe	34
PID 2904 wrote to memory of 316	2904	2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe	34
PID 2904 wrote to memory of 2584	2904	2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe	36
PID 2904 wrote to memory of 2584	2904	2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe	36
PID 2904 wrote to memory of 2584	2904	2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe	36
PID 2904 wrote to memory of 2584	2904	2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe	36
PID 2904 wrote to memory of 2636	2904	2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe	38
PID 2904 wrote to memory of 2636	2904	2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe	38
PID 2904 wrote to memory of 2636	2904	2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe	38
PID 2904 wrote to memory of 2636	2904	2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe	38
PID 2904 wrote to memory of 2320	2904	2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe	41
PID 2904 wrote to memory of 2320	2904	2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe	41
PID 2904 wrote to memory of 2320	2904	2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe	41
PID 2904 wrote to memory of 2320	2904	2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe	41
PID 3068 wrote to memory of 580	3068	wqqhsbsu.exe	43
PID 3068 wrote to memory of 580	3068	wqqhsbsu.exe	43
PID 3068 wrote to memory of 580	3068	wqqhsbsu.exe	43
PID 3068 wrote to memory of 580	3068	wqqhsbsu.exe	43
PID 3068 wrote to memory of 580	3068	wqqhsbsu.exe	43
PID 3068 wrote to memory of 580	3068	wqqhsbsu.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ffvpchlw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2984
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wqqhsbsu.exe" C:\Windows\SysWOW64\ffvpchlw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2872
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ffvpchlw binPath= "C:\Windows\SysWOW64\ffvpchlw\wqqhsbsu.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:316
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ffvpchlw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2584
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ffvpchlw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2636
- 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:2320

C:\Windows\SysWOW64\ffvpchlw\wqqhsbsu.exe
C:\Windows\SysWOW64\ffvpchlw\wqqhsbsu.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-13_1f4a4a6b40d626bd540eb7d712674869_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3068
- 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:580

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:\Windows\SysWOW64\ffvpchlw\wqqhsbsu.exe

Filesize
13.9MB

MD5
26c8894b5154f12ecac0f420d6aaf04d

SHA1
0106252e884d6fe1d9fb36f3fa0562ac8b4d7c44

SHA256
fc32a308c760d0d4be5240f37b3097fdb19020be48ca74d35d486dd162c32c6e

SHA512
1d040702d0a7f604054c14f25ab3c558968513e085c2b9e529b097ff2d17dbd7b66f9e14f6caf0cb7deb6b880096c91575c641293a972c669c66b9f31cc8e552

Download Submit
memory/580-14-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/580-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/580-16-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/580-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/580-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2904-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2904-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2904-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2904-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2904-1-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/2904-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3068-17-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads