tofsee | 4691b2fd4ae32c2e070e45a44ddf3ffe2a75df9c997c34fd8f0aaa8b25911305

Analysis

max time kernel
150s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
01/02/2025, 20:35 UTC

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General

Target

2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe
Size

14.3MB
MD5

bdfff05dd7ad370dd82adf8c9fd8bc94
SHA1

2b4a6cef5342cdc9925bd36acecb2e0ba55be21b
SHA256

4691b2fd4ae32c2e070e45a44ddf3ffe2a75df9c997c34fd8f0aaa8b25911305
SHA512

55a6fedebea9b742eef125823381d201606566571cea225ccc5ea1bbbc5c74655a330303ec63ac8bdbdf0355ecbbfe1e11c9640f411b7a2aea96a0baf5fb7629
SSDEEP

49152:hqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPn:hqtYc3

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\aqlqtwpw = "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
2828	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\aqlqtwpw\ImagePath = "C:\\Windows\\SysWOW64\\aqlqtwpw\\vxqbiqeu.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2768	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2640	vxqbiqeu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2640 set thread context of 2768	2640	vxqbiqeu.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2468	sc.exe
2780	sc.exe
3028	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	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vxqbiqeu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 2712	1056	2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe	29
PID 1056 wrote to memory of 2712	1056	2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe	29
PID 1056 wrote to memory of 2712	1056	2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe	29
PID 1056 wrote to memory of 2712	1056	2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe	29
PID 1056 wrote to memory of 276	1056	2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe	31
PID 1056 wrote to memory of 276	1056	2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe	31
PID 1056 wrote to memory of 276	1056	2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe	31
PID 1056 wrote to memory of 276	1056	2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe	31
PID 1056 wrote to memory of 2468	1056	2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe	33
PID 1056 wrote to memory of 2468	1056	2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe	33
PID 1056 wrote to memory of 2468	1056	2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe	33
PID 1056 wrote to memory of 2468	1056	2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe	33
PID 1056 wrote to memory of 2780	1056	2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe	35
PID 1056 wrote to memory of 2780	1056	2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe	35
PID 1056 wrote to memory of 2780	1056	2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe	35
PID 1056 wrote to memory of 2780	1056	2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe	35
PID 1056 wrote to memory of 3028	1056	2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe	37
PID 1056 wrote to memory of 3028	1056	2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe	37
PID 1056 wrote to memory of 3028	1056	2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe	37
PID 1056 wrote to memory of 3028	1056	2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe	37
PID 1056 wrote to memory of 2828	1056	2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe	40
PID 1056 wrote to memory of 2828	1056	2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe	40
PID 1056 wrote to memory of 2828	1056	2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe	40
PID 1056 wrote to memory of 2828	1056	2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe	40
PID 2640 wrote to memory of 2768	2640	vxqbiqeu.exe	42
PID 2640 wrote to memory of 2768	2640	vxqbiqeu.exe	42
PID 2640 wrote to memory of 2768	2640	vxqbiqeu.exe	42
PID 2640 wrote to memory of 2768	2640	vxqbiqeu.exe	42
PID 2640 wrote to memory of 2768	2640	vxqbiqeu.exe	42
PID 2640 wrote to memory of 2768	2640	vxqbiqeu.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1056
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\aqlqtwpw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2712
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\vxqbiqeu.exe" C:\Windows\SysWOW64\aqlqtwpw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:276
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create aqlqtwpw binPath= "C:\Windows\SysWOW64\aqlqtwpw\vxqbiqeu.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2468
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description aqlqtwpw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2780
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start aqlqtwpw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3028
- 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:2828

C:\Windows\SysWOW64\aqlqtwpw\vxqbiqeu.exe
C:\Windows\SysWOW64\aqlqtwpw\vxqbiqeu.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_bdfff05dd7ad370dd82adf8c9fd8bc94_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2640
- 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:2768

Network

DNS

microsoft.com

svchost.exe

Remote address:

8.8.8.8:53

Request

microsoft.com

IN A

Response

microsoft.com

IN A

20.70.246.20

microsoft.com

IN A

20.76.201.171

microsoft.com

IN A

20.231.239.246

microsoft.com

IN A

20.236.44.162

microsoft.com

IN A

20.112.250.133
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

52.101.8.49

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
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

67.195.204.74

mta7.am0.yahoodns.net

IN A

67.195.204.72

mta7.am0.yahoodns.net

IN A

98.136.96.91

mta7.am0.yahoodns.net

IN A

67.195.228.111

mta7.am0.yahoodns.net

IN A

67.195.228.110

mta7.am0.yahoodns.net

IN A

67.195.228.106

mta7.am0.yahoodns.net

IN A

98.136.96.77

mta7.am0.yahoodns.net

IN A

67.195.204.77
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

142.250.110.27

smtp.google.com

IN A

142.250.110.26

smtp.google.com

IN A

142.251.5.27

smtp.google.com

IN A

142.251.5.26

smtp.google.com

IN A

66.102.1.27
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

217.69.139.150

mxs.mail.ru

IN A

94.100.180.31

20.70.246.20:80

microsoft.com

svchost.exe

190 B
132 B
4
3
52.101.8.49:25

microsoft-com.mail.protection.outlook.com

svchost.exe

152 B
3
43.231.4.7:443

svchost.exe

152 B
3
67.195.204.74:25

mta7.am0.yahoodns.net

svchost.exe

152 B
3
142.250.110.27:25

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

20.70.246.20

20.76.201.171

20.231.239.246

20.236.44.162

20.112.250.133
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

52.101.8.49

52.101.11.0

52.101.40.26

52.101.42.0
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

67.195.204.74

67.195.204.72

98.136.96.91

67.195.228.111

67.195.228.110

67.195.228.106

98.136.96.77

67.195.204.77
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
141 B
1
1

DNS Request

smtp.google.com

DNS Response

142.250.110.27

142.250.110.26

142.251.5.27

142.251.5.26

66.102.1.27
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

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\vxqbiqeu.exe

Filesize
10.4MB

MD5
caa671f9a22c3f754001ba72a6d1819b

SHA1
b177e93d030d7d926b1e9e1b9b668827851c275b

SHA256
01d702797d385dc6f219a4ee6e06d5bc1277287b1143df83bcc4509fab7953ab

SHA512
a185dfcfa7ab516aea719a3c4c28ba5fce788cf27a01f4796789c6e2534dcfc1609169b71df4dd28707512f4c099b1201d01c309226d9ab12a9df1882370bc6d

Download Submit
memory/1056-7-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/1056-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1056-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1056-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1056-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1056-1-0x0000000002F70000-0x0000000003070000-memory.dmp

Filesize
1024KB

Download
memory/2640-17-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2768-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2768-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2768-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2768-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2768-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

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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Downloads

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