tofsee | c28f10579b997908ea92df48e7b776fe63db26599aaa80c4596de3a6ff0c65f5

Analysis

max time kernel
145s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-02-2025 16:03

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General

Target

2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe
Size

11.2MB
MD5

32c66821e0558ef04149cc8ea1831f8b
SHA1

5a2deab06f2ff4e00598abaae742fb200ba7b575
SHA256

c28f10579b997908ea92df48e7b776fe63db26599aaa80c4596de3a6ff0c65f5
SHA512

5feea63e04df19c5ee56a4120a9a48162d4c6482787933808601c8f3f1da3c1ec57a9621697f81acc97a7d138cd27451157f6e91800761d82443ece821575fb4
SSDEEP

3072:mLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/J:POMdRQr7OB0ypmMXnl8XEPM3noSWOC4

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\hfxfrxbx = "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
2580	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\hfxfrxbx\ImagePath = "C:\\Windows\\SysWOW64\\hfxfrxbx\\qsntmzj.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2788	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1796	qsntmzj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1796 set thread context of 2788	1796	qsntmzj.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
1708	sc.exe
2160	sc.exe
352	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.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	qsntmzj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 2284	1720	2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe	30
PID 1720 wrote to memory of 2284	1720	2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe	30
PID 1720 wrote to memory of 2284	1720	2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe	30
PID 1720 wrote to memory of 2284	1720	2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe	30
PID 1720 wrote to memory of 348	1720	2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe	32
PID 1720 wrote to memory of 348	1720	2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe	32
PID 1720 wrote to memory of 348	1720	2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe	32
PID 1720 wrote to memory of 348	1720	2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe	32
PID 1720 wrote to memory of 1708	1720	2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe	34
PID 1720 wrote to memory of 1708	1720	2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe	34
PID 1720 wrote to memory of 1708	1720	2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe	34
PID 1720 wrote to memory of 1708	1720	2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe	34
PID 1720 wrote to memory of 2160	1720	2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe	36
PID 1720 wrote to memory of 2160	1720	2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe	36
PID 1720 wrote to memory of 2160	1720	2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe	36
PID 1720 wrote to memory of 2160	1720	2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe	36
PID 1720 wrote to memory of 352	1720	2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe	39
PID 1720 wrote to memory of 352	1720	2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe	39
PID 1720 wrote to memory of 352	1720	2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe	39
PID 1720 wrote to memory of 352	1720	2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe	39
PID 1796 wrote to memory of 2788	1796	qsntmzj.exe	42
PID 1796 wrote to memory of 2788	1796	qsntmzj.exe	42
PID 1796 wrote to memory of 2788	1796	qsntmzj.exe	42
PID 1796 wrote to memory of 2788	1796	qsntmzj.exe	42
PID 1796 wrote to memory of 2788	1796	qsntmzj.exe	42
PID 1796 wrote to memory of 2788	1796	qsntmzj.exe	42
PID 1720 wrote to memory of 2580	1720	2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe	43
PID 1720 wrote to memory of 2580	1720	2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe	43
PID 1720 wrote to memory of 2580	1720	2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe	43
PID 1720 wrote to memory of 2580	1720	2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hfxfrxbx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2284
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qsntmzj.exe" C:\Windows\SysWOW64\hfxfrxbx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:348
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hfxfrxbx binPath= "C:\Windows\SysWOW64\hfxfrxbx\qsntmzj.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1708
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hfxfrxbx "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2160
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hfxfrxbx
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:352
- 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:2580

C:\Windows\SysWOW64\hfxfrxbx\qsntmzj.exe
C:\Windows\SysWOW64\hfxfrxbx\qsntmzj.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-06_32c66821e0558ef04149cc8ea1831f8b_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1796
- 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:2788

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\qsntmzj.exe

Filesize
11.6MB

MD5
f5d802e358ffa531ee87543d5e06f8c6

SHA1
d980d8c1441e434bb3ece19edd1c154b73192556

SHA256
85fe6ad420cfe435e8a54b067740e5f0e45696f11426a886a19be8dc15dd7fc3

SHA512
44ca40020d378a5dd17009e9348c58686c85c7ec377de21cf90d5653ac27df65a8a4f74b3c429cee4ca2a973b5a69eac366307d98fc2ad2d9d2f68bf7c4f64ec

Download Submit
memory/1720-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1720-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1720-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1720-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1720-1-0x00000000004F0000-0x00000000005F0000-memory.dmp

Filesize
1024KB

Download
memory/1720-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1796-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2788-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2788-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2788-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2788-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2788-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads