tofsee | 036bf4e675789eddebe930cd43ba1d35ff11b070146d7924d227a8332bc5d2c5

Analysis

max time kernel
144s
max time network
139s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19/12/2024, 14:24 UTC

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General

Target

2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe
Size

14.0MB
MD5

53085a6f8df30225e3546188424dab11
SHA1

688763bc7f35c3a97fb879e5d3b3d496efc8faf7
SHA256

036bf4e675789eddebe930cd43ba1d35ff11b070146d7924d227a8332bc5d2c5
SHA512

ff7fd4b243b05a24016cb3861ad258e1d7c5d9c1a079f171f97b7d0034480d3bdb7b8c0404200e98824e60fe36d26bf54b6eb564df4caa18144aa4969fb217de
SSDEEP

6144:ZN7EUevPsS7JFxs3ba86/YsUvSaUo2lt/XUANtvcBNCxkNbnKWrLHtHtHtHtHtHl:ZpbevZK3baxY/SGtAN5cBNC0H

Score

10^/10

tofsee discovery evasion 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

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\xzdjzyto = "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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3040	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\xzdjzyto\ImagePath = "C:\\Windows\\SysWOW64\\xzdjzyto\\lnizqkrk.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2884	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2968	lnizqkrk.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2968 set thread context of 2884	2968	lnizqkrk.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2020	sc.exe
2964	sc.exe
2940	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	lnizqkrk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-19_53085a6f8df30225e3546188424dab11_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	sc.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 3000	2116	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	30
PID 2116 wrote to memory of 3000	2116	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	30
PID 2116 wrote to memory of 3000	2116	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	30
PID 2116 wrote to memory of 3000	2116	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	30
PID 2116 wrote to memory of 2936	2116	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	32
PID 2116 wrote to memory of 2936	2116	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	32
PID 2116 wrote to memory of 2936	2116	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	32
PID 2116 wrote to memory of 2936	2116	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	32
PID 2116 wrote to memory of 2020	2116	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	34
PID 2116 wrote to memory of 2020	2116	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	34
PID 2116 wrote to memory of 2020	2116	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	34
PID 2116 wrote to memory of 2020	2116	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	34
PID 2116 wrote to memory of 2964	2116	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	36
PID 2116 wrote to memory of 2964	2116	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	36
PID 2116 wrote to memory of 2964	2116	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	36
PID 2116 wrote to memory of 2964	2116	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	36
PID 2116 wrote to memory of 2940	2116	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	38
PID 2116 wrote to memory of 2940	2116	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	38
PID 2116 wrote to memory of 2940	2116	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	38
PID 2116 wrote to memory of 2940	2116	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	38
PID 2116 wrote to memory of 3040	2116	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	41
PID 2116 wrote to memory of 3040	2116	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	41
PID 2116 wrote to memory of 3040	2116	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	41
PID 2116 wrote to memory of 3040	2116	2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe	41
PID 2968 wrote to memory of 2884	2968	lnizqkrk.exe	43
PID 2968 wrote to memory of 2884	2968	lnizqkrk.exe	43
PID 2968 wrote to memory of 2884	2968	lnizqkrk.exe	43
PID 2968 wrote to memory of 2884	2968	lnizqkrk.exe	43
PID 2968 wrote to memory of 2884	2968	lnizqkrk.exe	43
PID 2968 wrote to memory of 2884	2968	lnizqkrk.exe	43

C:\Users\Admin\AppData\Local\Temp\2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xzdjzyto\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3000
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lnizqkrk.exe" C:\Windows\SysWOW64\xzdjzyto\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2936
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xzdjzyto binPath= "C:\Windows\SysWOW64\xzdjzyto\lnizqkrk.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2020
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xzdjzyto "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2964
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xzdjzyto
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2940
- 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:3040

C:\Windows\SysWOW64\xzdjzyto\lnizqkrk.exe
C:\Windows\SysWOW64\xzdjzyto\lnizqkrk.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-12-19_53085a6f8df30225e3546188424dab11_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2968
- 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:2884

Network

DNS

microsoft.com

svchost.exe

Remote address:

8.8.8.8:53

Request

microsoft.com

IN A

Response

microsoft.com

IN A

20.76.201.171

microsoft.com

IN A

20.70.246.20

microsoft.com

IN A

20.112.250.133

microsoft.com

IN A

20.236.44.162

microsoft.com

IN A

20.231.239.246
DNS

microsoft.com

svchost.exe

Remote address:

8.8.8.8:53

Request

microsoft.com

IN MX

Response

microsoft.com

IN MX

microsoft-commail protectionoutlook�
DNS

microsoft-com.mail.protection.outlook.com

svchost.exe

Remote address:

8.8.8.8:53

Request

microsoft-com.mail.protection.outlook.com

IN A

Response

microsoft-com.mail.protection.outlook.com

IN A

52.101.11.0

microsoft-com.mail.protection.outlook.com

IN A

52.101.40.26

microsoft-com.mail.protection.outlook.com

IN A

52.101.42.0

microsoft-com.mail.protection.outlook.com

IN A

52.101.8.49
DNS

yahoo.com

svchost.exe

Remote address:

8.8.8.8:53

Request

yahoo.com

IN MX

Response

yahoo.com

IN MX

mta5am0yahoodnsnet

yahoo.com

IN MX

mta7�.

yahoo.com

IN MX

mta6�.
DNS

mta5.am0.yahoodns.net

svchost.exe

Remote address:

8.8.8.8:53

Request

mta5.am0.yahoodns.net

IN A

Response

mta5.am0.yahoodns.net

IN A

67.195.228.106

mta5.am0.yahoodns.net

IN A

67.195.204.77

mta5.am0.yahoodns.net

IN A

67.195.204.72

mta5.am0.yahoodns.net

IN A

67.195.228.111

mta5.am0.yahoodns.net

IN A

98.136.96.75

mta5.am0.yahoodns.net

IN A

67.195.228.94

mta5.am0.yahoodns.net

IN A

67.195.228.110

mta5.am0.yahoodns.net

IN A

98.136.96.77
DNS

google.com

svchost.exe

Remote address:

8.8.8.8:53

Request

google.com

IN MX

Response

google.com

IN MX

smtp�
DNS

smtp.google.com

svchost.exe

Remote address:

8.8.8.8:53

Request

smtp.google.com

IN A

Response

smtp.google.com

IN A

142.250.102.27

smtp.google.com

IN A

142.250.27.26

smtp.google.com

IN A

142.250.27.27

smtp.google.com

IN A

142.250.102.26
DNS

mail.ru

svchost.exe

Remote address:

8.8.8.8:53

Request

mail.ru

IN MX

Response

mail.ru

IN MX

mxs�
DNS

mxs.mail.ru

svchost.exe

Remote address:

8.8.8.8:53

Request

mxs.mail.ru

IN A

Response

mxs.mail.ru

IN A

217.69.139.150

mxs.mail.ru

IN A

94.100.180.31

20.76.201.171:80

microsoft.com

svchost.exe

190 B
132 B
4
3
52.101.11.0:25

microsoft-com.mail.protection.outlook.com

svchost.exe

152 B
3
43.231.4.7:443

svchost.exe

152 B
3
67.195.228.106:25

mta5.am0.yahoodns.net

svchost.exe

152 B
3
142.250.102.27:25

smtp.google.com

svchost.exe

152 B
3
43.231.4.7:443

svchost.exe

152 B
3
217.69.139.150:25

mxs.mail.ru

svchost.exe

152 B
3
43.231.4.7:443

svchost.exe

152 B
3

8.8.8.8:53

microsoft.com

dns

svchost.exe

59 B
139 B
1
1

DNS Request

microsoft.com

DNS Response

20.76.201.171

20.70.246.20

20.112.250.133

20.236.44.162

20.231.239.246
8.8.8.8:53

microsoft.com

dns

svchost.exe

59 B
113 B
1
1

DNS Request

microsoft.com
8.8.8.8:53

microsoft-com.mail.protection.outlook.com

dns

svchost.exe

87 B
151 B
1
1

DNS Request

microsoft-com.mail.protection.outlook.com

DNS Response

52.101.11.0

52.101.40.26

52.101.42.0

52.101.8.49
8.8.8.8:53

yahoo.com

dns

svchost.exe

55 B
134 B
1
1

DNS Request

yahoo.com
8.8.8.8:53

mta5.am0.yahoodns.net

dns

svchost.exe

67 B
195 B
1
1

DNS Request

mta5.am0.yahoodns.net

DNS Response

67.195.228.106

67.195.204.77

67.195.204.72

67.195.228.111

98.136.96.75

67.195.228.94

67.195.228.110

98.136.96.77
8.8.8.8:53

google.com

dns

svchost.exe

56 B
77 B
1
1

DNS Request

google.com
8.8.8.8:53

smtp.google.com

dns

svchost.exe

61 B
125 B
1
1

DNS Request

smtp.google.com

DNS Response

142.250.102.27

142.250.27.26

142.250.27.27

142.250.102.26
8.8.8.8:53

mail.ru

dns

svchost.exe

53 B
73 B
1
1

DNS Request

mail.ru
8.8.8.8:53

mxs.mail.ru

dns

svchost.exe

57 B
89 B
1
1

DNS Request

mxs.mail.ru

DNS Response

217.69.139.150

94.100.180.31

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\lnizqkrk.exe

Filesize
14.0MB

MD5
53085a6f8df30225e3546188424dab11

SHA1
688763bc7f35c3a97fb879e5d3b3d496efc8faf7

SHA256
036bf4e675789eddebe930cd43ba1d35ff11b070146d7924d227a8332bc5d2c5

SHA512
ff7fd4b243b05a24016cb3861ad258e1d7c5d9c1a079f171f97b7d0034480d3bdb7b8c0404200e98824e60fe36d26bf54b6eb564df4caa18144aa4969fb217de

Download Submit
memory/2116-11-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2116-8-0x0000000000400000-0x00000000062F0000-memory.dmp

Filesize
94.9MB

Download
memory/2116-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2116-10-0x0000000006390000-0x0000000006490000-memory.dmp

Filesize
1024KB

Download
memory/2116-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2116-1-0x0000000006390000-0x0000000006490000-memory.dmp

Filesize
1024KB

Download
memory/2116-6-0x0000000000400000-0x00000000062F0000-memory.dmp

Filesize
94.9MB

Download
memory/2116-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2884-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2884-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2884-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2884-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2884-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2968-18-0x0000000000400000-0x00000000062F0000-memory.dmp

Filesize
94.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

DNS Request

DNS Response

DNS Request

DNS Request

DNS Response

DNS Request

DNS Request

DNS Response

DNS Request

DNS Request

DNS Response

DNS Request

DNS Request

DNS Response

MITRE ATT&CK Enterprise v15

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