tofsee | a51519e61a97c8604ee59ff7d041604094d7f75e3c5c15c59cebee44eb8d7146

Analysis

max time kernel
147s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-01-2025 19:18

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General

Target

2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe
Size

13.2MB
MD5

ea224388b4e876dc9b37724ee20f15f3
SHA1

0d5a7b79e2775a3927aacf1a619f256bca67f23c
SHA256

a51519e61a97c8604ee59ff7d041604094d7f75e3c5c15c59cebee44eb8d7146
SHA512

f47274f54587cbba207e4b19c8ed5d744e2881afca6e74de4364acc88b75d8eb3a5e810330a16e7e586e35089e59cc1391195a19f703062566128b990ad904bb
SSDEEP

393216:cXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:

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\cacqcunp = "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
2720	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\cacqcunp\ImagePath = "C:\\Windows\\SysWOW64\\cacqcunp\\ytxpfqsq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2408	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2824	ytxpfqsq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2824 set thread context of 2408	2824	ytxpfqsq.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
280	sc.exe
2332	sc.exe
2832	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.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	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2164	2520	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	30
PID 2520 wrote to memory of 2164	2520	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	30
PID 2520 wrote to memory of 2164	2520	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	30
PID 2520 wrote to memory of 2164	2520	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	30
PID 2520 wrote to memory of 1528	2520	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	32
PID 2520 wrote to memory of 1528	2520	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	32
PID 2520 wrote to memory of 1528	2520	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	32
PID 2520 wrote to memory of 1528	2520	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	32
PID 2520 wrote to memory of 280	2520	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	34
PID 2520 wrote to memory of 280	2520	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	34
PID 2520 wrote to memory of 280	2520	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	34
PID 2520 wrote to memory of 280	2520	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	34
PID 2520 wrote to memory of 2332	2520	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	36
PID 2520 wrote to memory of 2332	2520	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	36
PID 2520 wrote to memory of 2332	2520	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	36
PID 2520 wrote to memory of 2332	2520	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	36
PID 2520 wrote to memory of 2832	2520	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	38
PID 2520 wrote to memory of 2832	2520	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	38
PID 2520 wrote to memory of 2832	2520	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	38
PID 2520 wrote to memory of 2832	2520	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	38
PID 2520 wrote to memory of 2720	2520	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	41
PID 2520 wrote to memory of 2720	2520	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	41
PID 2520 wrote to memory of 2720	2520	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	41
PID 2520 wrote to memory of 2720	2520	2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe	41
PID 2824 wrote to memory of 2408	2824	ytxpfqsq.exe	43
PID 2824 wrote to memory of 2408	2824	ytxpfqsq.exe	43
PID 2824 wrote to memory of 2408	2824	ytxpfqsq.exe	43
PID 2824 wrote to memory of 2408	2824	ytxpfqsq.exe	43
PID 2824 wrote to memory of 2408	2824	ytxpfqsq.exe	43
PID 2824 wrote to memory of 2408	2824	ytxpfqsq.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cacqcunp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2164
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ytxpfqsq.exe" C:\Windows\SysWOW64\cacqcunp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1528
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create cacqcunp binPath= "C:\Windows\SysWOW64\cacqcunp\ytxpfqsq.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:280
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description cacqcunp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2332
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start cacqcunp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2832
- 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:2720

C:\Windows\SysWOW64\cacqcunp\ytxpfqsq.exe
C:\Windows\SysWOW64\cacqcunp\ytxpfqsq.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-24_ea224388b4e876dc9b37724ee20f15f3_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2824
- 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:2408

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
10.9MB

MD5
7caa969fbfba8419fd4c82af5cc05d47

SHA1
555c993974a692e613b52e3cc512262eadb93f3f

SHA256
4639b9f9c2b6813421b5f8e872e7b1e5341ecfb637289b70ca9f6c2f9f9c5b45

SHA512
1b8a943a3386bd002dc3c792e3005628b6a2cf14cb75bb62cff33324e3a7db582b7afcecab0ae7b2bdbd94121f10f8497c097e15c6a4a5ff50c67530e6a4e3db

Download Submit
memory/2408-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2408-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2408-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2408-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2408-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2520-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2520-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2520-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2520-9-0x0000000000570000-0x0000000000670000-memory.dmp

Filesize
1024KB

Download
memory/2520-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2520-7-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2520-1-0x0000000000570000-0x0000000000670000-memory.dmp

Filesize
1024KB

Download
memory/2824-18-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads