tofsee | 19ee9c973699e80133dbd65e6e07ee23a19591cf68c3514682d74a3d86154d2b

Analysis

max time kernel
145s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-02-2025 20:15

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe
Size

12.1MB
MD5

5a23c03696864673d31b958a185cc61a
SHA1

a8a9b7e752067039e894edc01fa1544d7f9db4db
SHA256

19ee9c973699e80133dbd65e6e07ee23a19591cf68c3514682d74a3d86154d2b
SHA512

fb7a9ba1d598195bb7f975cff49c517e02f5a3643a2ef39b77d9ab0cfdc33ecd8091040aaa7e54f21186b6a13d1e9d8fcbe7f6c1496b786c9fc4b37a16698085
SSDEEP

49152:rqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPn:rqtYc3

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\raukibu = "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
2056	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\raukibu\ImagePath = "C:\\Windows\\SysWOW64\\raukibu\\enhmedyu.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3044	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2584	enhmedyu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2584 set thread context of 3044	2584	enhmedyu.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
796	sc.exe
2724	sc.exe
2736	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	2025-02-02_5a23c03696864673d31b958a185cc61a_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	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	enhmedyu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2812 wrote to memory of 2688	2812	2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe	30
PID 2812 wrote to memory of 2688	2812	2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe	30
PID 2812 wrote to memory of 2688	2812	2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe	30
PID 2812 wrote to memory of 2688	2812	2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe	30
PID 2812 wrote to memory of 2696	2812	2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe	32
PID 2812 wrote to memory of 2696	2812	2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe	32
PID 2812 wrote to memory of 2696	2812	2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe	32
PID 2812 wrote to memory of 2696	2812	2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe	32
PID 2812 wrote to memory of 2724	2812	2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe	34
PID 2812 wrote to memory of 2724	2812	2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe	34
PID 2812 wrote to memory of 2724	2812	2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe	34
PID 2812 wrote to memory of 2724	2812	2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe	34
PID 2812 wrote to memory of 2736	2812	2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe	36
PID 2812 wrote to memory of 2736	2812	2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe	36
PID 2812 wrote to memory of 2736	2812	2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe	36
PID 2812 wrote to memory of 2736	2812	2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe	36
PID 2812 wrote to memory of 796	2812	2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe	38
PID 2812 wrote to memory of 796	2812	2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe	38
PID 2812 wrote to memory of 796	2812	2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe	38
PID 2812 wrote to memory of 796	2812	2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe	38
PID 2584 wrote to memory of 3044	2584	enhmedyu.exe	41
PID 2584 wrote to memory of 3044	2584	enhmedyu.exe	41
PID 2584 wrote to memory of 3044	2584	enhmedyu.exe	41
PID 2584 wrote to memory of 3044	2584	enhmedyu.exe	41
PID 2584 wrote to memory of 3044	2584	enhmedyu.exe	41
PID 2584 wrote to memory of 3044	2584	enhmedyu.exe	41
PID 2812 wrote to memory of 2056	2812	2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe	42
PID 2812 wrote to memory of 2056	2812	2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe	42
PID 2812 wrote to memory of 2056	2812	2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe	42
PID 2812 wrote to memory of 2056	2812	2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2812
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\raukibu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2688
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\enhmedyu.exe" C:\Windows\SysWOW64\raukibu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2696
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create raukibu binPath= "C:\Windows\SysWOW64\raukibu\enhmedyu.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2724
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description raukibu "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2736
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start raukibu
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:796
- 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:2056

C:\Windows\SysWOW64\raukibu\enhmedyu.exe
C:\Windows\SysWOW64\raukibu\enhmedyu.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-02_5a23c03696864673d31b958a185cc61a_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2584
- 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:3044

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\enhmedyu.exe

Filesize
10.5MB

MD5
0ae16dd27a05a184025fdce83b84da4e

SHA1
c5cfbb11a5b2cbaf711156227ae70667c65fa982

SHA256
9cfed7e2cf2cb0184854656aaabf965096d70c48deae81fc577de55eae802393

SHA512
79beda5158bc387dcf6d8da38baf759468c9c6d759c7777c4e99408f464f6c024b567c256724b873ed91dc3d8eda7743d34c5640255f3cce8053c3f59c94e91a

Download Submit
memory/2584-13-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2812-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2812-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2812-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2812-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2812-1-0x0000000002EE0000-0x0000000002FE0000-memory.dmp

Filesize
1024KB

Download
memory/2812-14-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/3044-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/3044-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3044-8-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/3044-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/3044-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads