tofsee | 78b1d4c45d4403511dfc45b0cfa83275d8bfc26b34cf4859bb72a73225926b69

Analysis

max time kernel
144s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
28-01-2025 06:23

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General

Target

2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe
Size

11.8MB
MD5

a24aa125d61f42a8267cfd85bcde7b18
SHA1

2e834ed6e6dc00265a6795ac31b1726436c85625
SHA256

78b1d4c45d4403511dfc45b0cfa83275d8bfc26b34cf4859bb72a73225926b69
SHA512

bf9d0811d67273741caa74022b2596cc6ca7e072bb92973443a17479749940102d0f582c97290ad02b10bed77ebaf197345061279a048531d668cbe86ab79265
SSDEEP

3072:ULBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/T:ROMdRQr7OB0ypmMXnl8XEPM3noSWOCw

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\fglnmvls = "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
2608	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\fglnmvls\ImagePath = "C:\\Windows\\SysWOW64\\fglnmvls\\ayhirncy.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3036	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2576	ayhirncy.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2576 set thread context of 3036	2576	ayhirncy.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2812	sc.exe
2672	sc.exe
2888	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	2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.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	ayhirncy.exe
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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 2764	2664	2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe	30
PID 2664 wrote to memory of 2764	2664	2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe	30
PID 2664 wrote to memory of 2764	2664	2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe	30
PID 2664 wrote to memory of 2764	2664	2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe	30
PID 2664 wrote to memory of 2104	2664	2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe	32
PID 2664 wrote to memory of 2104	2664	2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe	32
PID 2664 wrote to memory of 2104	2664	2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe	32
PID 2664 wrote to memory of 2104	2664	2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe	32
PID 2664 wrote to memory of 2888	2664	2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe	34
PID 2664 wrote to memory of 2888	2664	2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe	34
PID 2664 wrote to memory of 2888	2664	2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe	34
PID 2664 wrote to memory of 2888	2664	2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe	34
PID 2664 wrote to memory of 2812	2664	2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe	36
PID 2664 wrote to memory of 2812	2664	2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe	36
PID 2664 wrote to memory of 2812	2664	2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe	36
PID 2664 wrote to memory of 2812	2664	2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe	36
PID 2664 wrote to memory of 2672	2664	2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe	38
PID 2664 wrote to memory of 2672	2664	2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe	38
PID 2664 wrote to memory of 2672	2664	2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe	38
PID 2664 wrote to memory of 2672	2664	2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe	38
PID 2664 wrote to memory of 2608	2664	2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe	41
PID 2664 wrote to memory of 2608	2664	2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe	41
PID 2664 wrote to memory of 2608	2664	2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe	41
PID 2664 wrote to memory of 2608	2664	2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe	41
PID 2576 wrote to memory of 3036	2576	ayhirncy.exe	43
PID 2576 wrote to memory of 3036	2576	ayhirncy.exe	43
PID 2576 wrote to memory of 3036	2576	ayhirncy.exe	43
PID 2576 wrote to memory of 3036	2576	ayhirncy.exe	43
PID 2576 wrote to memory of 3036	2576	ayhirncy.exe	43
PID 2576 wrote to memory of 3036	2576	ayhirncy.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\fglnmvls\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2764
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ayhirncy.exe" C:\Windows\SysWOW64\fglnmvls\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2104
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create fglnmvls binPath= "C:\Windows\SysWOW64\fglnmvls\ayhirncy.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2888
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description fglnmvls "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2812
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start fglnmvls
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2672
- 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:2608

C:\Windows\SysWOW64\fglnmvls\ayhirncy.exe
C:\Windows\SysWOW64\fglnmvls\ayhirncy.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-28_a24aa125d61f42a8267cfd85bcde7b18_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2576
- 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:3036

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\ayhirncy.exe

Filesize
11.9MB

MD5
3f9d88a40e70ee634773e5f7ed7435b5

SHA1
619f07f391b2e384234b771bcf69b54d1e34f567

SHA256
acf5e1f976009a675114b44e8776aade9a4e8cd03dfe1847db918a49d10a7725

SHA512
1e339507a192b36bb1e30edc3b7f3c82dd99affb79b0b8569e9322b5dcee236875e6dcaf1c623f897f5b4f88500aa9b39d7a341de5c1c702bf8f657a98dc0707

Download Submit
memory/2576-17-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2664-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2664-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2664-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2664-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2664-1-0x0000000000610000-0x0000000000710000-memory.dmp

Filesize
1024KB

Download
memory/2664-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/3036-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3036-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3036-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3036-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3036-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads