tofsee | be6031c4de531027b645eed3b6cfd28a1504644e6693093cb762b7969fee1d18

Analysis

max time kernel
145s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-01-2025 23:30

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General

Target

2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe
Size

10.3MB
MD5

e64a3663c52fa61452d7103dcbb5e63e
SHA1

9c00f567f066441207e129554ddeb126750db094
SHA256

be6031c4de531027b645eed3b6cfd28a1504644e6693093cb762b7969fee1d18
SHA512

75e54f96d811fe949b3a198baf78e59bcbd9b4a0bb2c0348465c1da2cd22677eacca79a57dbde8c7fef212836106625a1451941fce2299c4c61c4140687bd993
SSDEEP

196608:6yXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:vXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXn

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\wocewdqu = "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
2640	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\wocewdqu\ImagePath = "C:\\Windows\\SysWOW64\\wocewdqu\\rdcqbltn.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2628	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2816	rdcqbltn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2816 set thread context of 2628	2816	rdcqbltn.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
3024	sc.exe
3004	sc.exe
2900	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rdcqbltn.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	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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 2484 wrote to memory of 2812	2484	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	30
PID 2484 wrote to memory of 2812	2484	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	30
PID 2484 wrote to memory of 2812	2484	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	30
PID 2484 wrote to memory of 2812	2484	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	30
PID 2484 wrote to memory of 2796	2484	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	32
PID 2484 wrote to memory of 2796	2484	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	32
PID 2484 wrote to memory of 2796	2484	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	32
PID 2484 wrote to memory of 2796	2484	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	32
PID 2484 wrote to memory of 3024	2484	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	34
PID 2484 wrote to memory of 3024	2484	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	34
PID 2484 wrote to memory of 3024	2484	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	34
PID 2484 wrote to memory of 3024	2484	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	34
PID 2484 wrote to memory of 3004	2484	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	36
PID 2484 wrote to memory of 3004	2484	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	36
PID 2484 wrote to memory of 3004	2484	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	36
PID 2484 wrote to memory of 3004	2484	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	36
PID 2484 wrote to memory of 2900	2484	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	38
PID 2484 wrote to memory of 2900	2484	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	38
PID 2484 wrote to memory of 2900	2484	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	38
PID 2484 wrote to memory of 2900	2484	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	38
PID 2816 wrote to memory of 2628	2816	rdcqbltn.exe	41
PID 2816 wrote to memory of 2628	2816	rdcqbltn.exe	41
PID 2816 wrote to memory of 2628	2816	rdcqbltn.exe	41
PID 2816 wrote to memory of 2628	2816	rdcqbltn.exe	41
PID 2816 wrote to memory of 2628	2816	rdcqbltn.exe	41
PID 2816 wrote to memory of 2628	2816	rdcqbltn.exe	41
PID 2484 wrote to memory of 2640	2484	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	42
PID 2484 wrote to memory of 2640	2484	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	42
PID 2484 wrote to memory of 2640	2484	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	42
PID 2484 wrote to memory of 2640	2484	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2484
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wocewdqu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2812
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rdcqbltn.exe" C:\Windows\SysWOW64\wocewdqu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2796
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wocewdqu binPath= "C:\Windows\SysWOW64\wocewdqu\rdcqbltn.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3024
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wocewdqu "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3004
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wocewdqu
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2900
- 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:2640

C:\Windows\SysWOW64\wocewdqu\rdcqbltn.exe
C:\Windows\SysWOW64\wocewdqu\rdcqbltn.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2816
- 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:2628

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\rdcqbltn.exe

Filesize
14.3MB

MD5
05403afe1960bd066d0181ada8e13de1

SHA1
8365d5ee2f3ea839584d05e3329ebe58bd252673

SHA256
9bcf3f4a8591d58c840755af39e0d04018b149f2e737ee6d421fb370a30c8d90

SHA512
c49f4f1ffc1d8daa99b7ba7ea8361dc7373aef598fd8ef9ad677f01e3dfc6240952bbc10ebd41a996ecba377135216baaef87e9508788dfa75656379fe55ff2b

Download Submit
memory/2484-1-0x00000000008A0000-0x00000000009A0000-memory.dmp

Filesize
1024KB

Download
memory/2484-3-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2484-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2484-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2484-15-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2628-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2628-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2628-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2628-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2628-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2816-13-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads