tofsee | 69ba6ab3ff3e57f9f6dc41f11c9ff61b98972f16fcac3f953be56f96afa62ff5

Analysis

max time kernel
150s
max time network
137s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07-02-2025 20:53

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General

Target

2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe
Size

12.8MB
MD5

26b730e8107959b3154e03cb02c0d148
SHA1

d2880a59cd0d4e0e8f20f4b4d6d09e418d359724
SHA256

69ba6ab3ff3e57f9f6dc41f11c9ff61b98972f16fcac3f953be56f96afa62ff5
SHA512

b3a5d417486c7905b8ed4a072b898d19e00ec22828fe4d0b03eef13ad95e312b2d0c81d27de449918d23f06aabe98069f5f92e12258e8accc881f052d049cb6c
SSDEEP

24576:C/0dLk3X4ICvkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkc:C0dLk3oh

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\awzrgmvn = "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
2824	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\awzrgmvn\ImagePath = "C:\\Windows\\SysWOW64\\awzrgmvn\\dqczsfku.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2364	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2056	dqczsfku.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2056 set thread context of 2364	2056	dqczsfku.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2996	sc.exe
2808	sc.exe
2876	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	dqczsfku.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.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	svchost.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2568 wrote to memory of 2916	2568	2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe	30
PID 2568 wrote to memory of 2916	2568	2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe	30
PID 2568 wrote to memory of 2916	2568	2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe	30
PID 2568 wrote to memory of 2916	2568	2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe	30
PID 2568 wrote to memory of 2988	2568	2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe	32
PID 2568 wrote to memory of 2988	2568	2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe	32
PID 2568 wrote to memory of 2988	2568	2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe	32
PID 2568 wrote to memory of 2988	2568	2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe	32
PID 2568 wrote to memory of 2876	2568	2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe	34
PID 2568 wrote to memory of 2876	2568	2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe	34
PID 2568 wrote to memory of 2876	2568	2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe	34
PID 2568 wrote to memory of 2876	2568	2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe	34
PID 2568 wrote to memory of 2996	2568	2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe	36
PID 2568 wrote to memory of 2996	2568	2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe	36
PID 2568 wrote to memory of 2996	2568	2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe	36
PID 2568 wrote to memory of 2996	2568	2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe	36
PID 2568 wrote to memory of 2808	2568	2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe	38
PID 2568 wrote to memory of 2808	2568	2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe	38
PID 2568 wrote to memory of 2808	2568	2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe	38
PID 2568 wrote to memory of 2808	2568	2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe	38
PID 2568 wrote to memory of 2824	2568	2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe	40
PID 2568 wrote to memory of 2824	2568	2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe	40
PID 2568 wrote to memory of 2824	2568	2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe	40
PID 2568 wrote to memory of 2824	2568	2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe	40
PID 2056 wrote to memory of 2364	2056	dqczsfku.exe	43
PID 2056 wrote to memory of 2364	2056	dqczsfku.exe	43
PID 2056 wrote to memory of 2364	2056	dqczsfku.exe	43
PID 2056 wrote to memory of 2364	2056	dqczsfku.exe	43
PID 2056 wrote to memory of 2364	2056	dqczsfku.exe	43
PID 2056 wrote to memory of 2364	2056	dqczsfku.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2568
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\awzrgmvn\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2916
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dqczsfku.exe" C:\Windows\SysWOW64\awzrgmvn\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2988
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create awzrgmvn binPath= "C:\Windows\SysWOW64\awzrgmvn\dqczsfku.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2876
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description awzrgmvn "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2996
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start awzrgmvn
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2808
- 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:2824

C:\Windows\SysWOW64\awzrgmvn\dqczsfku.exe
C:\Windows\SysWOW64\awzrgmvn\dqczsfku.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-07_26b730e8107959b3154e03cb02c0d148_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2056
- 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:2364

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\dqczsfku.exe

Filesize
11.8MB

MD5
a64fc47b703aa3017b1336f0f1db2f1a

SHA1
696c45f52d8e5bd2c9fe9f6d4a299b805259d72f

SHA256
6c7dc766c3e2e729a316a658e63dd87fceb91d4c49d660d883c237cda971f9b2

SHA512
e829edeca4441037be32711db6fdd7f91f2745c752f50ef41b1d93d4c9427c7cd850963ccc583991b0bf4b34ff78d2721dd1a92477fa25fd6c6425d9237c8f4d

Download Submit
memory/2056-15-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2364-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2364-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2364-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2364-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2364-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2568-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2568-6-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2568-7-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2568-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2568-1-0x0000000000590000-0x0000000000690000-memory.dmp

Filesize
1024KB

Download
memory/2568-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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