tofsee | ced00835d536060975749bfebb25bfca9d08d45bfc06d595de150dbdaea64674

Analysis

max time kernel
145s
max time network
118s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
02/02/2025, 00:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe
Size

10.5MB
MD5

499ec0d0f85f08974c8bf8c604165ecd
SHA1

b1a3a843bfcc6eb7a29c8b53d74e3af33e44300b
SHA256

ced00835d536060975749bfebb25bfca9d08d45bfc06d595de150dbdaea64674
SHA512

987db712d1785a44185e49df6812509cc890f4d36c6ad4eae24e57426e06b621a54d61bb3b81741cf6e85727e59f66afc413cabaa54ac946b37b5de158daf215
SSDEEP

24576:6EfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZJ:Tfot

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\auohxeqt = "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
2700	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\auohxeqt\ImagePath = "C:\\Windows\\SysWOW64\\auohxeqt\\lcyfwvzd.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2728	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2680	lcyfwvzd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2680 set thread context of 2728	2680	lcyfwvzd.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2364	sc.exe
2812	sc.exe
3004	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lcyfwvzd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1180 wrote to memory of 2892	1180	2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe	30
PID 1180 wrote to memory of 2892	1180	2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe	30
PID 1180 wrote to memory of 2892	1180	2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe	30
PID 1180 wrote to memory of 2892	1180	2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe	30
PID 1180 wrote to memory of 2940	1180	2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe	32
PID 1180 wrote to memory of 2940	1180	2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe	32
PID 1180 wrote to memory of 2940	1180	2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe	32
PID 1180 wrote to memory of 2940	1180	2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe	32
PID 1180 wrote to memory of 2364	1180	2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe	34
PID 1180 wrote to memory of 2364	1180	2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe	34
PID 1180 wrote to memory of 2364	1180	2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe	34
PID 1180 wrote to memory of 2364	1180	2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe	34
PID 1180 wrote to memory of 2812	1180	2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe	36
PID 1180 wrote to memory of 2812	1180	2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe	36
PID 1180 wrote to memory of 2812	1180	2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe	36
PID 1180 wrote to memory of 2812	1180	2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe	36
PID 1180 wrote to memory of 3004	1180	2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe	38
PID 1180 wrote to memory of 3004	1180	2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe	38
PID 1180 wrote to memory of 3004	1180	2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe	38
PID 1180 wrote to memory of 3004	1180	2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe	38
PID 1180 wrote to memory of 2700	1180	2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe	41
PID 1180 wrote to memory of 2700	1180	2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe	41
PID 1180 wrote to memory of 2700	1180	2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe	41
PID 1180 wrote to memory of 2700	1180	2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe	41
PID 2680 wrote to memory of 2728	2680	lcyfwvzd.exe	43
PID 2680 wrote to memory of 2728	2680	lcyfwvzd.exe	43
PID 2680 wrote to memory of 2728	2680	lcyfwvzd.exe	43
PID 2680 wrote to memory of 2728	2680	lcyfwvzd.exe	43
PID 2680 wrote to memory of 2728	2680	lcyfwvzd.exe	43
PID 2680 wrote to memory of 2728	2680	lcyfwvzd.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\auohxeqt\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2892
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lcyfwvzd.exe" C:\Windows\SysWOW64\auohxeqt\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2940
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create auohxeqt binPath= "C:\Windows\SysWOW64\auohxeqt\lcyfwvzd.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2364
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description auohxeqt "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 auohxeqt
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3004
- 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:2700

C:\Windows\SysWOW64\auohxeqt\lcyfwvzd.exe
C:\Windows\SysWOW64\auohxeqt\lcyfwvzd.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-02_499ec0d0f85f08974c8bf8c604165ecd_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2680
- 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:2728

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\lcyfwvzd.exe

Filesize
10.2MB

MD5
b1917ef0decf844efd3fa091792a23dd

SHA1
4992a48895ca043a61ecdfb693a2c618c55cc7e2

SHA256
b46fb6bc967a58dc051df8df82fa478212c18a2707d1f63dd4300cd83e2d3b03

SHA512
55756cdccd1bee5200c29ba6c752e68c1f6a8d4971cd6eb67846486b618c495f62cbcee6b49fbd3accc2736d0b9555aae518ae8d5556656f7cbbeff593b54025

Download Submit
memory/1180-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1180-1-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download
memory/1180-11-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1180-10-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download
memory/1180-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1180-8-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1180-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2680-16-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2728-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2728-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2728-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2728-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2728-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-19-0x0000000000080000-0x0000000000095000-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