tofsee | 0ec58f18d7bf33a565b7bc3d959d05383b0db8427bb85a1c663054159dc52ba7

Analysis

max time kernel
145s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/01/2025, 20:44 UTC

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General

Target

2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe
Size

12.7MB
MD5

da9ecd37da34ab5dcc7aabf44ff60947
SHA1

f712618a365bdbfdccb76e2003661bee8dcccc17
SHA256

0ec58f18d7bf33a565b7bc3d959d05383b0db8427bb85a1c663054159dc52ba7
SHA512

cde6a14ed324c94eabf6f46e490de2b460d845fb6531e79126117105d0d9e0f428fb8120303c91a9d5cb3e67ac7b7dacb9526dd1d0a5c4893213694271ae14a4
SSDEEP

24576:+pomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttl:Soo

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\vbsynjvq = "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
2124	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\vbsynjvq\ImagePath = "C:\\Windows\\SysWOW64\\vbsynjvq\\uqiifuth.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2664	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2680	uqiifuth.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2680 set thread context of 2664	2680	uqiifuth.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2400	sc.exe
2636	sc.exe
2836	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uqiifuth.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
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	2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 2472	2468	2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe	31
PID 2468 wrote to memory of 2472	2468	2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe	31
PID 2468 wrote to memory of 2472	2468	2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe	31
PID 2468 wrote to memory of 2472	2468	2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe	31
PID 2468 wrote to memory of 2240	2468	2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe	33
PID 2468 wrote to memory of 2240	2468	2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe	33
PID 2468 wrote to memory of 2240	2468	2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe	33
PID 2468 wrote to memory of 2240	2468	2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe	33
PID 2468 wrote to memory of 2400	2468	2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe	35
PID 2468 wrote to memory of 2400	2468	2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe	35
PID 2468 wrote to memory of 2400	2468	2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe	35
PID 2468 wrote to memory of 2400	2468	2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe	35
PID 2468 wrote to memory of 2636	2468	2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe	37
PID 2468 wrote to memory of 2636	2468	2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe	37
PID 2468 wrote to memory of 2636	2468	2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe	37
PID 2468 wrote to memory of 2636	2468	2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe	37
PID 2468 wrote to memory of 2836	2468	2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe	39
PID 2468 wrote to memory of 2836	2468	2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe	39
PID 2468 wrote to memory of 2836	2468	2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe	39
PID 2468 wrote to memory of 2836	2468	2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe	39
PID 2680 wrote to memory of 2664	2680	uqiifuth.exe	42
PID 2680 wrote to memory of 2664	2680	uqiifuth.exe	42
PID 2680 wrote to memory of 2664	2680	uqiifuth.exe	42
PID 2680 wrote to memory of 2664	2680	uqiifuth.exe	42
PID 2680 wrote to memory of 2664	2680	uqiifuth.exe	42
PID 2680 wrote to memory of 2664	2680	uqiifuth.exe	42
PID 2468 wrote to memory of 2124	2468	2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe	43
PID 2468 wrote to memory of 2124	2468	2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe	43
PID 2468 wrote to memory of 2124	2468	2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe	43
PID 2468 wrote to memory of 2124	2468	2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2468
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vbsynjvq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2472
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\uqiifuth.exe" C:\Windows\SysWOW64\vbsynjvq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2240
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create vbsynjvq binPath= "C:\Windows\SysWOW64\vbsynjvq\uqiifuth.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2400
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description vbsynjvq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2636
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start vbsynjvq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2836
- 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:2124

C:\Windows\SysWOW64\vbsynjvq\uqiifuth.exe
C:\Windows\SysWOW64\vbsynjvq\uqiifuth.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-19_da9ecd37da34ab5dcc7aabf44ff60947_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2680
- 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:2664

Network

DNS

microsoft.com

svchost.exe

Remote address:

8.8.8.8:53

Request

microsoft.com

IN A

Response

microsoft.com

IN A

20.236.44.162

microsoft.com

IN A

20.112.250.133

microsoft.com

IN A

20.76.201.171

microsoft.com

IN A

20.231.239.246

microsoft.com

IN A

20.70.246.20
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

52.101.8.49

microsoft-com.mail.protection.outlook.com

IN A

52.101.42.0

microsoft-com.mail.protection.outlook.com

IN A

52.101.40.26
DNS

yahoo.com

svchost.exe

Remote address:

8.8.8.8:53

Request

yahoo.com

IN MX

Response

yahoo.com

IN MX

mta7am0yahoodnsnet

yahoo.com

IN MX

mta6�.

yahoo.com

IN MX

mta5�.
DNS

mta7.am0.yahoodns.net

svchost.exe

Remote address:

8.8.8.8:53

Request

mta7.am0.yahoodns.net

IN A

Response

mta7.am0.yahoodns.net

IN A

98.136.96.91

mta7.am0.yahoodns.net

IN A

98.136.96.75

mta7.am0.yahoodns.net

IN A

67.195.204.77

mta7.am0.yahoodns.net

IN A

67.195.204.72

mta7.am0.yahoodns.net

IN A

98.136.96.76

mta7.am0.yahoodns.net

IN A

67.195.204.74

mta7.am0.yahoodns.net

IN A

67.195.228.94

mta7.am0.yahoodns.net

IN A

67.195.228.106
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

142.251.31.26

smtp.google.com

IN A

142.250.153.27

smtp.google.com

IN A

142.250.153.26

smtp.google.com

IN A

142.251.18.26

smtp.google.com

IN A

142.251.18.27
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

94.100.180.31

mxs.mail.ru

IN A

217.69.139.150

20.236.44.162:80

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
98.136.96.91:25

mta7.am0.yahoodns.net

svchost.exe

152 B
3
142.251.31.26:25

smtp.google.com

svchost.exe

152 B
3
43.231.4.7:443

svchost.exe

152 B
3
94.100.180.31:25

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

20.236.44.162

20.112.250.133

20.76.201.171

20.231.239.246

20.70.246.20
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

52.101.8.49

52.101.42.0

52.101.40.26
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

mta7.am0.yahoodns.net

dns

svchost.exe

67 B
195 B
1
1

DNS Request

mta7.am0.yahoodns.net

DNS Response

98.136.96.91

98.136.96.75

67.195.204.77

67.195.204.72

98.136.96.76

67.195.204.74

67.195.228.94

67.195.228.106
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
141 B
1
1

DNS Request

smtp.google.com

DNS Response

142.251.31.26

142.250.153.27

142.250.153.26

142.251.18.26

142.251.18.27
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

94.100.180.31

217.69.139.150

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\uqiifuth.exe

Filesize
14.2MB

MD5
67cd4b8561affeaad1a9432d73cb4959

SHA1
51fff6e256e63b4e2aab28a2a367710fa6e941c4

SHA256
508d65f112a7f1ba126597142a17961b29b9afcd6a457d4136904552341c6538

SHA512
b99d994934498f95f48af68f2561d32690cfce10689c9dc592e6d67babfc1cd0ff38cece270fb713305b791a71b5fc1689f16cb2585c24c7e84046bc78b6b39f

Download Submit
memory/2468-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2468-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2468-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download
memory/2468-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2468-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2468-15-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2664-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2664-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2664-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2664-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2664-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2680-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

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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