tofsee | 87605c71407d8a047e4271f26bfc6f0a93dc7fcb71c633a2e5f75741d3d801d2

Analysis

max time kernel
144s
max time network
122s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
07-02-2025 08:43

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General

Target

2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe
Size

12.2MB
MD5

821a7fb236826382ac484e47bb591a28
SHA1

029f047b8cbb246c13bfea7b7adf56489d16eecf
SHA256

87605c71407d8a047e4271f26bfc6f0a93dc7fcb71c633a2e5f75741d3d801d2
SHA512

677b7e3dff9eb39514743dc6019f46a2047f9cf825c9ae729b32cd666f2106c9f822fd7974e21c8adf91db6bdd44861237499c56b2450939cd9a21fa8cc3731c
SSDEEP

24576:PEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZK:Mfoto

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\edrbsywy = "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
2972	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\edrbsywy\ImagePath = "C:\\Windows\\SysWOW64\\edrbsywy\\xswoeprp.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2180	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2832	xswoeprp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2832 set thread context of 2180	2832	xswoeprp.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2332	sc.exe
2876	sc.exe
1796	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xswoeprp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-07_821a7fb236826382ac484e47bb591a28_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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 2604	3032	2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe	30
PID 3032 wrote to memory of 2604	3032	2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe	30
PID 3032 wrote to memory of 2604	3032	2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe	30
PID 3032 wrote to memory of 2604	3032	2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe	30
PID 3032 wrote to memory of 2212	3032	2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe	32
PID 3032 wrote to memory of 2212	3032	2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe	32
PID 3032 wrote to memory of 2212	3032	2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe	32
PID 3032 wrote to memory of 2212	3032	2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe	32
PID 3032 wrote to memory of 2332	3032	2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe	34
PID 3032 wrote to memory of 2332	3032	2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe	34
PID 3032 wrote to memory of 2332	3032	2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe	34
PID 3032 wrote to memory of 2332	3032	2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe	34
PID 3032 wrote to memory of 2876	3032	2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe	36
PID 3032 wrote to memory of 2876	3032	2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe	36
PID 3032 wrote to memory of 2876	3032	2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe	36
PID 3032 wrote to memory of 2876	3032	2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe	36
PID 3032 wrote to memory of 1796	3032	2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe	38
PID 3032 wrote to memory of 1796	3032	2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe	38
PID 3032 wrote to memory of 1796	3032	2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe	38
PID 3032 wrote to memory of 1796	3032	2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe	38
PID 3032 wrote to memory of 2972	3032	2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe	41
PID 3032 wrote to memory of 2972	3032	2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe	41
PID 3032 wrote to memory of 2972	3032	2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe	41
PID 3032 wrote to memory of 2972	3032	2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe	41
PID 2832 wrote to memory of 2180	2832	xswoeprp.exe	43
PID 2832 wrote to memory of 2180	2832	xswoeprp.exe	43
PID 2832 wrote to memory of 2180	2832	xswoeprp.exe	43
PID 2832 wrote to memory of 2180	2832	xswoeprp.exe	43
PID 2832 wrote to memory of 2180	2832	xswoeprp.exe	43
PID 2832 wrote to memory of 2180	2832	xswoeprp.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3032
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\edrbsywy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2604
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xswoeprp.exe" C:\Windows\SysWOW64\edrbsywy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2212
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create edrbsywy binPath= "C:\Windows\SysWOW64\edrbsywy\xswoeprp.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2332
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description edrbsywy "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2876
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start edrbsywy
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1796
- 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:2972

C:\Windows\SysWOW64\edrbsywy\xswoeprp.exe
C:\Windows\SysWOW64\edrbsywy\xswoeprp.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-07_821a7fb236826382ac484e47bb591a28_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2832
- 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:2180

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\xswoeprp.exe

Filesize
14.7MB

MD5
fee4acdd84aba9b73dfba736ced52073

SHA1
e6865b42d0c7eab0ca3d4740528196122bee9cff

SHA256
394f2311a3540f5c20abda736891029b4680c180ece2eed429bd95da846abaa3

SHA512
a5066c1662fb5317269afd712150999173984dfb74687c7373ecfcc3fc65f89241225d0152e9d628a3d6814ba8e548da8443ef38ae028d181fb30e46b317467f

Download Submit
memory/2180-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2180-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2180-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2180-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2180-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2832-17-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3032-1-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download
memory/3032-3-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3032-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3032-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3032-8-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads