tofsee | 796dfc18f2ebaf9c3605f91401f0e3cbc63b4b865d33a233425ff0592bcfb716

Analysis

max time kernel
144s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-01-2025 19:05

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General

Target

2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe
Size

10.5MB
MD5

aa08fef5c72940d72201dd8d68ddcb9c
SHA1

9dfa2bd191921c5dbbb640e3806679d8e21131ec
SHA256

796dfc18f2ebaf9c3605f91401f0e3cbc63b4b865d33a233425ff0592bcfb716
SHA512

4043feceac751afc963e2de81e6ba7f1eaf68512d809922adabdb9c09d008ca9434b406e476b2562c6c7cb84bc20c36497108862d0afac2d3bd086ff1ac3a16f
SSDEEP

6144:qLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQ:LTYe+D2jFu+iZoUFhAz

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\ddikkosw = "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
1632	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\ddikkosw\ImagePath = "C:\\Windows\\SysWOW64\\ddikkosw\\riqoytao.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2940	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2720	riqoytao.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2720 set thread context of 2940	2720	riqoytao.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2500	sc.exe
2724	sc.exe
2840	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	2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	riqoytao.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2224	2244	2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe	30
PID 2244 wrote to memory of 2224	2244	2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe	30
PID 2244 wrote to memory of 2224	2244	2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe	30
PID 2244 wrote to memory of 2224	2244	2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe	30
PID 2244 wrote to memory of 2088	2244	2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe	32
PID 2244 wrote to memory of 2088	2244	2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe	32
PID 2244 wrote to memory of 2088	2244	2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe	32
PID 2244 wrote to memory of 2088	2244	2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe	32
PID 2244 wrote to memory of 2500	2244	2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe	34
PID 2244 wrote to memory of 2500	2244	2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe	34
PID 2244 wrote to memory of 2500	2244	2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe	34
PID 2244 wrote to memory of 2500	2244	2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe	34
PID 2244 wrote to memory of 2724	2244	2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe	37
PID 2244 wrote to memory of 2724	2244	2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe	37
PID 2244 wrote to memory of 2724	2244	2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe	37
PID 2244 wrote to memory of 2724	2244	2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe	37
PID 2244 wrote to memory of 2840	2244	2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe	39
PID 2244 wrote to memory of 2840	2244	2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe	39
PID 2244 wrote to memory of 2840	2244	2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe	39
PID 2244 wrote to memory of 2840	2244	2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe	39
PID 2244 wrote to memory of 1632	2244	2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe	42
PID 2244 wrote to memory of 1632	2244	2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe	42
PID 2244 wrote to memory of 1632	2244	2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe	42
PID 2244 wrote to memory of 1632	2244	2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe	42
PID 2720 wrote to memory of 2940	2720	riqoytao.exe	44
PID 2720 wrote to memory of 2940	2720	riqoytao.exe	44
PID 2720 wrote to memory of 2940	2720	riqoytao.exe	44
PID 2720 wrote to memory of 2940	2720	riqoytao.exe	44
PID 2720 wrote to memory of 2940	2720	riqoytao.exe	44
PID 2720 wrote to memory of 2940	2720	riqoytao.exe	44

C:\Users\Admin\AppData\Local\Temp\2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ddikkosw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2224
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\riqoytao.exe" C:\Windows\SysWOW64\ddikkosw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2088
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ddikkosw binPath= "C:\Windows\SysWOW64\ddikkosw\riqoytao.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2500
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ddikkosw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2724
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ddikkosw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2840
- 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:1632

C:\Windows\SysWOW64\ddikkosw\riqoytao.exe
C:\Windows\SysWOW64\ddikkosw\riqoytao.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-24_aa08fef5c72940d72201dd8d68ddcb9c_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2720
- 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:2940

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\riqoytao.exe

Filesize
13.0MB

MD5
6e61e754ecc0884403cb488a695aa9a3

SHA1
4c5587f1844e7d59f041001655f0239ba7b467ea

SHA256
1388150e93b3fb428cd93732d2fd0b0a26afe18369f0bf39a8655094902983df

SHA512
98c04d806035e1f7e223a51c80678c50e75ff674096ee29aa4df891151aeb60c9380999b03efcca06b203c4ad9932fbd12a69e73e4804c5efc2a19048ef0d739

Download Submit
memory/2244-7-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2244-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2244-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2244-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2244-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2244-1-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/2720-17-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2940-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2940-14-0x00000000000E0000-0x00000000000F5000-memory.dmp

Filesize
84KB

Download
memory/2940-16-0x00000000000E0000-0x00000000000F5000-memory.dmp

Filesize
84KB

Download
memory/2940-11-0x00000000000E0000-0x00000000000F5000-memory.dmp

Filesize
84KB

Download
memory/2940-18-0x00000000000E0000-0x00000000000F5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads