tofsee | 1842a59bb8d0058462daeb56d353469c121a18742e57b13f95502b4204433866

Analysis

max time kernel
144s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-01-2025 10:26

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General

Target

2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe
Size

13.0MB
MD5

1d36582452cbcc7b1b2f38d6f97c27ea
SHA1

f17f839e3a74a10fee972b3392d1e2adef70752d
SHA256

1842a59bb8d0058462daeb56d353469c121a18742e57b13f95502b4204433866
SHA512

3416605e809211da4c051a131b128beb305f155d359bf7dcda64fc8a0f4c7613b01bfd9d4ce19c1779687b351baa9a13bd5e65b2a3f98e76dd1362f56d209c3e
SSDEEP

393216:eXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXH:

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\luxxxeah = "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
2740	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\luxxxeah\ImagePath = "C:\\Windows\\SysWOW64\\luxxxeah\\ayhirncy.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2108	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2644	ayhirncy.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2644 set thread context of 2108	2644	ayhirncy.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2968	sc.exe
2592	sc.exe
2744	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	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	2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_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	ayhirncy.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 1284 wrote to memory of 2436	1284	2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe	28
PID 1284 wrote to memory of 2436	1284	2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe	28
PID 1284 wrote to memory of 2436	1284	2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe	28
PID 1284 wrote to memory of 2436	1284	2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe	28
PID 1284 wrote to memory of 2100	1284	2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe	30
PID 1284 wrote to memory of 2100	1284	2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe	30
PID 1284 wrote to memory of 2100	1284	2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe	30
PID 1284 wrote to memory of 2100	1284	2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe	30
PID 1284 wrote to memory of 2968	1284	2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe	32
PID 1284 wrote to memory of 2968	1284	2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe	32
PID 1284 wrote to memory of 2968	1284	2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe	32
PID 1284 wrote to memory of 2968	1284	2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe	32
PID 1284 wrote to memory of 2592	1284	2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe	34
PID 1284 wrote to memory of 2592	1284	2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe	34
PID 1284 wrote to memory of 2592	1284	2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe	34
PID 1284 wrote to memory of 2592	1284	2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe	34
PID 1284 wrote to memory of 2744	1284	2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe	36
PID 1284 wrote to memory of 2744	1284	2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe	36
PID 1284 wrote to memory of 2744	1284	2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe	36
PID 1284 wrote to memory of 2744	1284	2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe	36
PID 1284 wrote to memory of 2740	1284	2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe	39
PID 1284 wrote to memory of 2740	1284	2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe	39
PID 1284 wrote to memory of 2740	1284	2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe	39
PID 1284 wrote to memory of 2740	1284	2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe	39
PID 2644 wrote to memory of 2108	2644	ayhirncy.exe	41
PID 2644 wrote to memory of 2108	2644	ayhirncy.exe	41
PID 2644 wrote to memory of 2108	2644	ayhirncy.exe	41
PID 2644 wrote to memory of 2108	2644	ayhirncy.exe	41
PID 2644 wrote to memory of 2108	2644	ayhirncy.exe	41
PID 2644 wrote to memory of 2108	2644	ayhirncy.exe	41

C:\Users\Admin\AppData\Local\Temp\2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1284
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\luxxxeah\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2436
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ayhirncy.exe" C:\Windows\SysWOW64\luxxxeah\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2100
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create luxxxeah binPath= "C:\Windows\SysWOW64\luxxxeah\ayhirncy.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2968
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description luxxxeah "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2592
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start luxxxeah
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2744
- 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:2740

C:\Windows\SysWOW64\luxxxeah\ayhirncy.exe
C:\Windows\SysWOW64\luxxxeah\ayhirncy.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-11_1d36582452cbcc7b1b2f38d6f97c27ea_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2644
- 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:2108

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
10.9MB

MD5
f4ce29a3fa5ead2594e062195ab9f410

SHA1
ac7d06f140d13fc5be273254f3257faacbf5c66c

SHA256
b88d4d37d7be7cb4e9ceb0e3738b4a20aac5acf8681d720dde783a96645005c2

SHA512
ea672ed6bb562f211f8e9a7059635dde6e639cb766f6ebb18d3e1a4ef3dd25131f817461ee3be50aa52c32c021bb84e94f07774582c3817197c2cbbb0052bdc3

Download Submit
memory/1284-7-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1284-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1284-1-0x00000000004E0000-0x00000000005E0000-memory.dmp

Filesize
1024KB

Download
memory/1284-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1284-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1284-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2108-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2108-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2108-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2108-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2108-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2108-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2644-15-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads