tofsee | fe542c7f8c7cb981dd05796f8247d39ac48385362b67abc3e81dc57e03b61a85

Analysis

max time kernel
150s
max time network
152s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
08/02/2025, 00:52

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe
Size

13.8MB
MD5

3b595e7feaff99576272dbb446047eaf
SHA1

e0610bdf187d260e72939fce07de411defc8f0a9
SHA256

fe542c7f8c7cb981dd05796f8247d39ac48385362b67abc3e81dc57e03b61a85
SHA512

13ae29e5318086128355c1e00bce7e5bfaa95ac5028900121289e056227a21046dbfa68c0a30f484ad58e3187e92ff1dd366208f9e9b248e90bd76c933a589a9
SSDEEP

3072:ELBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:BOMdRQr7OB0ypmMXnl8XEPM3noSWOC

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\fjqnpng = "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
2928	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\fjqnpng\ImagePath = "C:\\Windows\\SysWOW64\\fjqnpng\\ikdovdrh.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2704	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2628	ikdovdrh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2628 set thread context of 2704	2628	ikdovdrh.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2772	sc.exe
2856	sc.exe
2784	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ikdovdrh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.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	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2564 wrote to memory of 2560	2564	2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe	31
PID 2564 wrote to memory of 2560	2564	2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe	31
PID 2564 wrote to memory of 2560	2564	2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe	31
PID 2564 wrote to memory of 2560	2564	2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe	31
PID 2564 wrote to memory of 2932	2564	2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe	33
PID 2564 wrote to memory of 2932	2564	2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe	33
PID 2564 wrote to memory of 2932	2564	2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe	33
PID 2564 wrote to memory of 2932	2564	2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe	33
PID 2564 wrote to memory of 2772	2564	2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe	35
PID 2564 wrote to memory of 2772	2564	2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe	35
PID 2564 wrote to memory of 2772	2564	2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe	35
PID 2564 wrote to memory of 2772	2564	2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe	35
PID 2564 wrote to memory of 2856	2564	2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe	37
PID 2564 wrote to memory of 2856	2564	2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe	37
PID 2564 wrote to memory of 2856	2564	2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe	37
PID 2564 wrote to memory of 2856	2564	2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe	37
PID 2564 wrote to memory of 2784	2564	2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe	39
PID 2564 wrote to memory of 2784	2564	2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe	39
PID 2564 wrote to memory of 2784	2564	2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe	39
PID 2564 wrote to memory of 2784	2564	2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe	39
PID 2564 wrote to memory of 2928	2564	2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe	41
PID 2564 wrote to memory of 2928	2564	2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe	41
PID 2564 wrote to memory of 2928	2564	2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe	41
PID 2564 wrote to memory of 2928	2564	2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe	41
PID 2628 wrote to memory of 2704	2628	ikdovdrh.exe	44
PID 2628 wrote to memory of 2704	2628	ikdovdrh.exe	44
PID 2628 wrote to memory of 2704	2628	ikdovdrh.exe	44
PID 2628 wrote to memory of 2704	2628	ikdovdrh.exe	44
PID 2628 wrote to memory of 2704	2628	ikdovdrh.exe	44
PID 2628 wrote to memory of 2704	2628	ikdovdrh.exe	44

C:\Users\Admin\AppData\Local\Temp\2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2564
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\fjqnpng\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2560
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ikdovdrh.exe" C:\Windows\SysWOW64\fjqnpng\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2932
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create fjqnpng binPath= "C:\Windows\SysWOW64\fjqnpng\ikdovdrh.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2772
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description fjqnpng "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2856
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start fjqnpng
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2784
- 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:2928

C:\Windows\SysWOW64\fjqnpng\ikdovdrh.exe
C:\Windows\SysWOW64\fjqnpng\ikdovdrh.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-08_3b595e7feaff99576272dbb446047eaf_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2628
- 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:2704

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\ikdovdrh.exe

Filesize
12.5MB

MD5
6929f77a4b76ff1588b7923839394d89

SHA1
e80365fb73bf6f37e6c5a1a07a21df84f0fe5c8c

SHA256
4e71bb954908335af3c0b20b71b0108699c263d774f3a8fab8393965a48f53e4

SHA512
22b939172769567e5c6190468802a765aec5feabcf146108b197b9b5bad97e84f0946c285521ae3d5c19c3c5e06e1907b25431b2c2e8301688e4b9328a075de0

Download Submit
memory/2564-8-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2564-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2564-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2564-6-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download
memory/2564-7-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2564-1-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download
memory/2564-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2628-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2704-17-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2704-15-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2704-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2704-12-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2704-19-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads