tofsee | e462a4edf20e32317f6164ab0eb8bcbf34e6e4adaa5c6c51f38e678bfc486944

Analysis

max time kernel
147s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-02-2025 12:05

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General

Target

2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe
Size

14.1MB
MD5

f7da13f615639ece98410f33d193d766
SHA1

3ff4669bef39fbec5c96038aac654faa8d7de61d
SHA256

e462a4edf20e32317f6164ab0eb8bcbf34e6e4adaa5c6c51f38e678bfc486944
SHA512

3d9b59b17b682fde082029b168a06a27a57ebe931827d4047ed8fe2eae07bcb1b37a8671238e677b89c6a819d3c2400044c2ad698c3a953fa83834c6825669ae
SSDEEP

24576:rEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZp:4fotT

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\dvxpolny = "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
2832	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\dvxpolny\ImagePath = "C:\\Windows\\SysWOW64\\dvxpolny\\qlphxiki.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2792	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2824	qlphxiki.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2824 set thread context of 2792	2824	qlphxiki.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2744	sc.exe
2700	sc.exe
2760	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	2025-02-01_f7da13f615639ece98410f33d193d766_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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qlphxiki.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	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 2316	1624	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	31
PID 1624 wrote to memory of 2316	1624	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	31
PID 1624 wrote to memory of 2316	1624	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	31
PID 1624 wrote to memory of 2316	1624	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	31
PID 1624 wrote to memory of 2340	1624	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	33
PID 1624 wrote to memory of 2340	1624	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	33
PID 1624 wrote to memory of 2340	1624	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	33
PID 1624 wrote to memory of 2340	1624	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	33
PID 1624 wrote to memory of 2744	1624	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	35
PID 1624 wrote to memory of 2744	1624	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	35
PID 1624 wrote to memory of 2744	1624	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	35
PID 1624 wrote to memory of 2744	1624	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	35
PID 1624 wrote to memory of 2700	1624	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	37
PID 1624 wrote to memory of 2700	1624	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	37
PID 1624 wrote to memory of 2700	1624	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	37
PID 1624 wrote to memory of 2700	1624	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	37
PID 1624 wrote to memory of 2760	1624	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	39
PID 1624 wrote to memory of 2760	1624	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	39
PID 1624 wrote to memory of 2760	1624	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	39
PID 1624 wrote to memory of 2760	1624	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	39
PID 2824 wrote to memory of 2792	2824	qlphxiki.exe	42
PID 2824 wrote to memory of 2792	2824	qlphxiki.exe	42
PID 2824 wrote to memory of 2792	2824	qlphxiki.exe	42
PID 2824 wrote to memory of 2792	2824	qlphxiki.exe	42
PID 2824 wrote to memory of 2792	2824	qlphxiki.exe	42
PID 2824 wrote to memory of 2792	2824	qlphxiki.exe	42
PID 1624 wrote to memory of 2832	1624	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	43
PID 1624 wrote to memory of 2832	1624	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	43
PID 1624 wrote to memory of 2832	1624	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	43
PID 1624 wrote to memory of 2832	1624	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1624
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dvxpolny\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2316
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qlphxiki.exe" C:\Windows\SysWOW64\dvxpolny\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2340
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create dvxpolny binPath= "C:\Windows\SysWOW64\dvxpolny\qlphxiki.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2744
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description dvxpolny "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2700
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start dvxpolny
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2760
- 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:2832

C:\Windows\SysWOW64\dvxpolny\qlphxiki.exe
C:\Windows\SysWOW64\dvxpolny\qlphxiki.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2824
- 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\qlphxiki.exe

Filesize
14.5MB

MD5
a026d18ee3a43efeb3bb6cf62627fb60

SHA1
001bdf3769b61ec1043b594945ce524229c243c1

SHA256
a725c7f09a266056b3599ff0d8531a1145a243808b48eefaefa805ec00c62af0

SHA512
87ab5827d7bb9ae67fa754e6d1fa32e6d89c221f15bb13dec112299d35c0e4bf98d155122d5357aba6223e97a3ded11dc91720de8a6e19a678b07bbbcabdc923

Download Submit
memory/1624-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1624-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1624-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1624-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1624-1-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download
memory/1624-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

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

Filesize
84KB

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

Filesize
4KB

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

Filesize
84KB

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

Filesize
84KB

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

Filesize
84KB

Download
memory/2824-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads