tofsee | cdf608f60357488ef40b0977e2f39dba1f9180bc7a6f338b4500c7935faab9b3

Analysis

max time kernel
144s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-01-2025 15:44

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General

Target

2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe
Size

13.7MB
MD5

9e52058daec83a315865f8c90795d4c8
SHA1

a8cdaaeac7c10726f06d7ea25eb60964203cc39d
SHA256

cdf608f60357488ef40b0977e2f39dba1f9180bc7a6f338b4500c7935faab9b3
SHA512

1372a2124528d8dade2c23ffb21443d20c84a42b142b42c3262607aff8cd20ebc68410665b294c5db3c685914bfd6733fb9e1a32a39c7efd4f4573c3c95c11db
SSDEEP

24576:66WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQo:zWdLQk

Score

10^/10

tofsee discovery evasion 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

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\ozqdccxn = "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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2588	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\ozqdccxn\ImagePath = "C:\\Windows\\SysWOW64\\ozqdccxn\\jsmrjidz.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1676	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2800	jsmrjidz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2800 set thread context of 1676	2800	jsmrjidz.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2852	sc.exe
2604	sc.exe
2740	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	2025-01-10_9e52058daec83a315865f8c90795d4c8_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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.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	jsmrjidz.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 2792	2176	2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe	30
PID 2176 wrote to memory of 2792	2176	2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe	30
PID 2176 wrote to memory of 2792	2176	2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe	30
PID 2176 wrote to memory of 2792	2176	2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe	30
PID 2176 wrote to memory of 2972	2176	2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe	32
PID 2176 wrote to memory of 2972	2176	2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe	32
PID 2176 wrote to memory of 2972	2176	2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe	32
PID 2176 wrote to memory of 2972	2176	2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe	32
PID 2176 wrote to memory of 2852	2176	2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe	34
PID 2176 wrote to memory of 2852	2176	2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe	34
PID 2176 wrote to memory of 2852	2176	2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe	34
PID 2176 wrote to memory of 2852	2176	2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe	34
PID 2176 wrote to memory of 2604	2176	2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe	36
PID 2176 wrote to memory of 2604	2176	2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe	36
PID 2176 wrote to memory of 2604	2176	2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe	36
PID 2176 wrote to memory of 2604	2176	2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe	36
PID 2176 wrote to memory of 2740	2176	2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe	38
PID 2176 wrote to memory of 2740	2176	2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe	38
PID 2176 wrote to memory of 2740	2176	2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe	38
PID 2176 wrote to memory of 2740	2176	2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe	38
PID 2176 wrote to memory of 2588	2176	2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe	41
PID 2176 wrote to memory of 2588	2176	2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe	41
PID 2176 wrote to memory of 2588	2176	2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe	41
PID 2176 wrote to memory of 2588	2176	2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe	41
PID 2800 wrote to memory of 1676	2800	jsmrjidz.exe	43
PID 2800 wrote to memory of 1676	2800	jsmrjidz.exe	43
PID 2800 wrote to memory of 1676	2800	jsmrjidz.exe	43
PID 2800 wrote to memory of 1676	2800	jsmrjidz.exe	43
PID 2800 wrote to memory of 1676	2800	jsmrjidz.exe	43
PID 2800 wrote to memory of 1676	2800	jsmrjidz.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ozqdccxn\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2792
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jsmrjidz.exe" C:\Windows\SysWOW64\ozqdccxn\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2972
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ozqdccxn binPath= "C:\Windows\SysWOW64\ozqdccxn\jsmrjidz.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2852
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ozqdccxn "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2604
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ozqdccxn
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2740
- 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:2588

C:\Windows\SysWOW64\ozqdccxn\jsmrjidz.exe
C:\Windows\SysWOW64\ozqdccxn\jsmrjidz.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-10_9e52058daec83a315865f8c90795d4c8_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2800
- 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:1676

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\jsmrjidz.exe

Filesize
14.2MB

MD5
336bfc76abc73f03e7d905039677bde3

SHA1
57bb2cf256c31ad5eceb18994d693aa11c580ea1

SHA256
7138e2fae4897aa04f4fc98ae6cacb7de0cdf735f2ab59cdb2d52644e0aaae85

SHA512
02b1e005c4c9474ab509d85a299ad680193cff289033bafce0dfa35bf191d01806cdf2317c3cc6eaecbd626e24dfe114b1a14805d5e5b1d03bb5553d159b6e83

Download Submit
memory/1676-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1676-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1676-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1676-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1676-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2176-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2176-1-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2176-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2176-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2176-7-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2176-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2800-17-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads