tofsee | d89b5b4cb51017fe20af1e97e2e361750e9fcdc287b7fce99065b552226497af

Analysis

max time kernel
144s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-01-2025 05:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe
Size

10.1MB
MD5

220d68c1d332753c1d9bb34d47f66739
SHA1

446daa197e7347902249fbac629ab9d132afd08b
SHA256

d89b5b4cb51017fe20af1e97e2e361750e9fcdc287b7fce99065b552226497af
SHA512

bacc9c6342c1beb70bf7832e45b2280d815021d1cee45ea8f91846c2e80c1b2291babe4c91b2569ec8405c982d7997fcc430d7004bfcff9dfcb26dd287c8f6fb
SSDEEP

24576:MEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZd:Jfot

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\fyihmoi = "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
2392	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\fyihmoi\ImagePath = "C:\\Windows\\SysWOW64\\fyihmoi\\hugdwjoy.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2864	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2976	hugdwjoy.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2976 set thread context of 2864	2976	hugdwjoy.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2184	sc.exe
2724	sc.exe
2852	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	2025-01-31_220d68c1d332753c1d9bb34d47f66739_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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hugdwjoy.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 1272 wrote to memory of 2492	1272	2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe	30
PID 1272 wrote to memory of 2492	1272	2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe	30
PID 1272 wrote to memory of 2492	1272	2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe	30
PID 1272 wrote to memory of 2492	1272	2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe	30
PID 1272 wrote to memory of 2488	1272	2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe	32
PID 1272 wrote to memory of 2488	1272	2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe	32
PID 1272 wrote to memory of 2488	1272	2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe	32
PID 1272 wrote to memory of 2488	1272	2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe	32
PID 1272 wrote to memory of 2184	1272	2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe	34
PID 1272 wrote to memory of 2184	1272	2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe	34
PID 1272 wrote to memory of 2184	1272	2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe	34
PID 1272 wrote to memory of 2184	1272	2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe	34
PID 1272 wrote to memory of 2724	1272	2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe	36
PID 1272 wrote to memory of 2724	1272	2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe	36
PID 1272 wrote to memory of 2724	1272	2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe	36
PID 1272 wrote to memory of 2724	1272	2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe	36
PID 1272 wrote to memory of 2852	1272	2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe	38
PID 1272 wrote to memory of 2852	1272	2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe	38
PID 1272 wrote to memory of 2852	1272	2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe	38
PID 1272 wrote to memory of 2852	1272	2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe	38
PID 2976 wrote to memory of 2864	2976	hugdwjoy.exe	41
PID 2976 wrote to memory of 2864	2976	hugdwjoy.exe	41
PID 2976 wrote to memory of 2864	2976	hugdwjoy.exe	41
PID 2976 wrote to memory of 2864	2976	hugdwjoy.exe	41
PID 2976 wrote to memory of 2864	2976	hugdwjoy.exe	41
PID 2976 wrote to memory of 2864	2976	hugdwjoy.exe	41
PID 1272 wrote to memory of 2392	1272	2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe	42
PID 1272 wrote to memory of 2392	1272	2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe	42
PID 1272 wrote to memory of 2392	1272	2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe	42
PID 1272 wrote to memory of 2392	1272	2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1272
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\fyihmoi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2492
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hugdwjoy.exe" C:\Windows\SysWOW64\fyihmoi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2488
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create fyihmoi binPath= "C:\Windows\SysWOW64\fyihmoi\hugdwjoy.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2184
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description fyihmoi "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2724
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start fyihmoi
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2852
- 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:2392

C:\Windows\SysWOW64\fyihmoi\hugdwjoy.exe
C:\Windows\SysWOW64\fyihmoi\hugdwjoy.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_220d68c1d332753c1d9bb34d47f66739_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2976
- 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:2864

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\hugdwjoy.exe

Filesize
13.3MB

MD5
65e6ea116348b45ddd9588df82957824

SHA1
3b420ea8f2c048451842b246efd0c246a7103546

SHA256
513d268f02f386738d3e5e7da1e210a23d94ece06b78b06ccfa6627575b25fee

SHA512
8a02e470d1f8e5049e7e60625b9cd92505ae9ee6dfe6c46a190d9d70eaf71a67cf332f8e8d689ac8eb1365e8ac5f3750f54e9508840ca3636934f2b256401903

Download Submit
memory/1272-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1272-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1272-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1272-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1272-1-0x0000000000890000-0x0000000000990000-memory.dmp

Filesize
1024KB

Download
memory/1272-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2864-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2864-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2864-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2864-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2864-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2976-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads