tofsee | 508e0b917e67cc4a91bcb7f6c2935ea1cdddd5133a71a353ca5385f2dfc575ba

Analysis

max time kernel
143s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-02-2025 13:52

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General

Target

2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe
Size

10.8MB
MD5

38f0a0ac9331f715bef30247af40bbe0
SHA1

a3368fd06f38dd5a16756d481ee39d883b6bc188
SHA256

508e0b917e67cc4a91bcb7f6c2935ea1cdddd5133a71a353ca5385f2dfc575ba
SHA512

97baaa0f165ddd7ad038abc480b7cc76b72ae76bd18b1a8612a60a6c647e2f46acfb9825c09bdca5991a8e1a5f4d9b288012bda99b40d2e7d2326aa948902dfb
SSDEEP

24576:E6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQr:pWdLQkh

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\gwuhcxqy = "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
2560	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\gwuhcxqy\ImagePath = "C:\\Windows\\SysWOW64\\gwuhcxqy\\ytxpfqsq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2112	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2544	ytxpfqsq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2544 set thread context of 2112	2544	ytxpfqsq.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2820	sc.exe
2868	sc.exe
272	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	svchost.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ytxpfqsq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2788	2644	2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe	30
PID 2644 wrote to memory of 2788	2644	2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe	30
PID 2644 wrote to memory of 2788	2644	2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe	30
PID 2644 wrote to memory of 2788	2644	2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe	30
PID 2644 wrote to memory of 2860	2644	2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe	32
PID 2644 wrote to memory of 2860	2644	2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe	32
PID 2644 wrote to memory of 2860	2644	2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe	32
PID 2644 wrote to memory of 2860	2644	2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe	32
PID 2644 wrote to memory of 2820	2644	2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe	34
PID 2644 wrote to memory of 2820	2644	2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe	34
PID 2644 wrote to memory of 2820	2644	2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe	34
PID 2644 wrote to memory of 2820	2644	2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe	34
PID 2644 wrote to memory of 2868	2644	2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe	36
PID 2644 wrote to memory of 2868	2644	2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe	36
PID 2644 wrote to memory of 2868	2644	2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe	36
PID 2644 wrote to memory of 2868	2644	2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe	36
PID 2644 wrote to memory of 272	2644	2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe	38
PID 2644 wrote to memory of 272	2644	2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe	38
PID 2644 wrote to memory of 272	2644	2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe	38
PID 2644 wrote to memory of 272	2644	2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe	38
PID 2644 wrote to memory of 2560	2644	2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe	41
PID 2644 wrote to memory of 2560	2644	2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe	41
PID 2644 wrote to memory of 2560	2644	2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe	41
PID 2644 wrote to memory of 2560	2644	2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe	41
PID 2544 wrote to memory of 2112	2544	ytxpfqsq.exe	43
PID 2544 wrote to memory of 2112	2544	ytxpfqsq.exe	43
PID 2544 wrote to memory of 2112	2544	ytxpfqsq.exe	43
PID 2544 wrote to memory of 2112	2544	ytxpfqsq.exe	43
PID 2544 wrote to memory of 2112	2544	ytxpfqsq.exe	43
PID 2544 wrote to memory of 2112	2544	ytxpfqsq.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gwuhcxqy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2788
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ytxpfqsq.exe" C:\Windows\SysWOW64\gwuhcxqy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2860
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gwuhcxqy binPath= "C:\Windows\SysWOW64\gwuhcxqy\ytxpfqsq.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2820
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gwuhcxqy "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2868
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gwuhcxqy
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:272
- 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:2560

C:\Windows\SysWOW64\gwuhcxqy\ytxpfqsq.exe
C:\Windows\SysWOW64\gwuhcxqy\ytxpfqsq.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-04_38f0a0ac9331f715bef30247af40bbe0_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2544
- 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:2112

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\ytxpfqsq.exe

Filesize
13.6MB

MD5
d98814b0db6f098c5ac116bad9ced173

SHA1
b1ac37a9c6a1b46e85d935bee678de056d2a0372

SHA256
eb232947049289cd41174900bd862792a7be15d005eb6bff199647e9d656b0f7

SHA512
39f99aff1cd6cdc9e8f1eb3aaba7824a9420a8cb5a5200ba8ad01741976a8347bcd829b1ec7505f8fc2d4a18c66b1797ae65d97d840f70fc29a7e097cb5c119e

Download Submit
memory/2112-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2112-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2112-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2112-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2112-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2544-15-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2644-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2644-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2644-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2644-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2644-7-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2644-1-0x00000000008B0000-0x00000000009B0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads