tofsee | 4e8644f27d0d75b537e63dc51b670d765afaf46f486d3836158a9a0ca729dc1a

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
28-01-2025 17:40

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General

Target

2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe
Size

14.5MB
MD5

c043cfd652b04f6ca4c1bea4f0dc25e9
SHA1

5f87fa2a23521a318ca1c4f0a9d42f952f0adbde
SHA256

4e8644f27d0d75b537e63dc51b670d765afaf46f486d3836158a9a0ca729dc1a
SHA512

e36d378cb7637fb115af79c43519595fc25e4201fce8bfd90a7f143bf7eff0ff305bcb28b895f757ded459b48f42593c7ab83406d2a242d39edeb031425380f6
SSDEEP

3072:jLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:qOMdRQr7OB0ypmMXnl8XEPM3noSWOC

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\aoghgeyu = "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
2636	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\aoghgeyu\ImagePath = "C:\\Windows\\SysWOW64\\aoghgeyu\\wvjlzwxp.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2904	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3060	wvjlzwxp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3060 set thread context of 2904	3060	wvjlzwxp.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2788	sc.exe
2804	sc.exe
3068	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	2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_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	wvjlzwxp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.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	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 340	1740	2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe	30
PID 1740 wrote to memory of 340	1740	2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe	30
PID 1740 wrote to memory of 340	1740	2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe	30
PID 1740 wrote to memory of 340	1740	2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe	30
PID 1740 wrote to memory of 1424	1740	2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe	32
PID 1740 wrote to memory of 1424	1740	2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe	32
PID 1740 wrote to memory of 1424	1740	2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe	32
PID 1740 wrote to memory of 1424	1740	2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe	32
PID 1740 wrote to memory of 2788	1740	2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe	34
PID 1740 wrote to memory of 2788	1740	2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe	34
PID 1740 wrote to memory of 2788	1740	2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe	34
PID 1740 wrote to memory of 2788	1740	2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe	34
PID 1740 wrote to memory of 2804	1740	2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe	36
PID 1740 wrote to memory of 2804	1740	2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe	36
PID 1740 wrote to memory of 2804	1740	2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe	36
PID 1740 wrote to memory of 2804	1740	2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe	36
PID 1740 wrote to memory of 3068	1740	2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe	38
PID 1740 wrote to memory of 3068	1740	2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe	38
PID 1740 wrote to memory of 3068	1740	2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe	38
PID 1740 wrote to memory of 3068	1740	2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe	38
PID 3060 wrote to memory of 2904	3060	wvjlzwxp.exe	41
PID 3060 wrote to memory of 2904	3060	wvjlzwxp.exe	41
PID 3060 wrote to memory of 2904	3060	wvjlzwxp.exe	41
PID 3060 wrote to memory of 2904	3060	wvjlzwxp.exe	41
PID 3060 wrote to memory of 2904	3060	wvjlzwxp.exe	41
PID 3060 wrote to memory of 2904	3060	wvjlzwxp.exe	41
PID 1740 wrote to memory of 2636	1740	2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe	42
PID 1740 wrote to memory of 2636	1740	2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe	42
PID 1740 wrote to memory of 2636	1740	2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe	42
PID 1740 wrote to memory of 2636	1740	2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\aoghgeyu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:340
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wvjlzwxp.exe" C:\Windows\SysWOW64\aoghgeyu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1424
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create aoghgeyu binPath= "C:\Windows\SysWOW64\aoghgeyu\wvjlzwxp.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2788
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description aoghgeyu "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2804
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start aoghgeyu
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3068
- 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:2636

C:\Windows\SysWOW64\aoghgeyu\wvjlzwxp.exe
C:\Windows\SysWOW64\aoghgeyu\wvjlzwxp.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-28_c043cfd652b04f6ca4c1bea4f0dc25e9_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3060
- 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:2904

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\wvjlzwxp.exe

Filesize
14.7MB

MD5
43703f6c9f979d6aed8a470c884b3af7

SHA1
a92275e15b857b59f0cc79b15862dbaa71414722

SHA256
a8b79ae773b2fe97ed343ecb79931c8b0436aa9ed27929a670b330416664bccd

SHA512
76a64f83ac2d7945c17c8a2c224ce1e3e5a473b008690aa7c550189a4e64d5ad632b9c65b000a0e07fbd910e518c494818837d2dbb59f7a3a5cd1f4435a21018

Download Submit
memory/1740-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1740-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1740-1-0x0000000000620000-0x0000000000720000-memory.dmp

Filesize
1024KB

Download
memory/1740-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1740-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1740-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2904-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2904-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2904-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2904-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2904-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3060-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads