tofsee | 2fd8f88bc46e5e872b6c915dc29ffa177befb1c1133d3bab1191d3a40e528a7c

Analysis

max time kernel
145s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
29/01/2025, 17:32

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General

Target

2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe
Size

12.2MB
MD5

8614dd7f7e2db20e233fd456212d78f9
SHA1

bf6d968a0d9ca44dc10e7e7ee73e3d4c19b386ba
SHA256

2fd8f88bc46e5e872b6c915dc29ffa177befb1c1133d3bab1191d3a40e528a7c
SHA512

d84c4099832f7bae96e521586ed2a571850c928b330690e97ab8ca4b1f4b537405fc04fd857ddd85655e1fb56461973bf0d5efbf9a18f620736017b09e4375a0
SSDEEP

393216:VXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXn:

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\imtyhixy = "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
3012	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\imtyhixy\ImagePath = "C:\\Windows\\SysWOW64\\imtyhixy\\ltimzxgg.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2816	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2960	ltimzxgg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2960 set thread context of 2816	2960	ltimzxgg.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2948	sc.exe
996	sc.exe
2584	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-29_8614dd7f7e2db20e233fd456212d78f9_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	ltimzxgg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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 2372 wrote to memory of 2608	2372	2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe	30
PID 2372 wrote to memory of 2608	2372	2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe	30
PID 2372 wrote to memory of 2608	2372	2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe	30
PID 2372 wrote to memory of 2608	2372	2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe	30
PID 2372 wrote to memory of 2560	2372	2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe	32
PID 2372 wrote to memory of 2560	2372	2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe	32
PID 2372 wrote to memory of 2560	2372	2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe	32
PID 2372 wrote to memory of 2560	2372	2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe	32
PID 2372 wrote to memory of 996	2372	2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe	34
PID 2372 wrote to memory of 996	2372	2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe	34
PID 2372 wrote to memory of 996	2372	2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe	34
PID 2372 wrote to memory of 996	2372	2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe	34
PID 2372 wrote to memory of 2584	2372	2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe	37
PID 2372 wrote to memory of 2584	2372	2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe	37
PID 2372 wrote to memory of 2584	2372	2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe	37
PID 2372 wrote to memory of 2584	2372	2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe	37
PID 2372 wrote to memory of 2948	2372	2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe	39
PID 2372 wrote to memory of 2948	2372	2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe	39
PID 2372 wrote to memory of 2948	2372	2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe	39
PID 2372 wrote to memory of 2948	2372	2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe	39
PID 2960 wrote to memory of 2816	2960	ltimzxgg.exe	42
PID 2960 wrote to memory of 2816	2960	ltimzxgg.exe	42
PID 2960 wrote to memory of 2816	2960	ltimzxgg.exe	42
PID 2960 wrote to memory of 2816	2960	ltimzxgg.exe	42
PID 2960 wrote to memory of 2816	2960	ltimzxgg.exe	42
PID 2960 wrote to memory of 2816	2960	ltimzxgg.exe	42
PID 2372 wrote to memory of 3012	2372	2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe	43
PID 2372 wrote to memory of 3012	2372	2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe	43
PID 2372 wrote to memory of 3012	2372	2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe	43
PID 2372 wrote to memory of 3012	2372	2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\imtyhixy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2608
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ltimzxgg.exe" C:\Windows\SysWOW64\imtyhixy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2560
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create imtyhixy binPath= "C:\Windows\SysWOW64\imtyhixy\ltimzxgg.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:996
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description imtyhixy "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2584
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start imtyhixy
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2948
- 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:3012

C:\Windows\SysWOW64\imtyhixy\ltimzxgg.exe
C:\Windows\SysWOW64\imtyhixy\ltimzxgg.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-29_8614dd7f7e2db20e233fd456212d78f9_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2960
- 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:2816

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\ltimzxgg.exe

Filesize
10.1MB

MD5
65c95e8906afa4e94d81ce7324c844c4

SHA1
4e82bacf80c1063a770d0243056eeffa3a05082b

SHA256
6abee050931b091cd51419dc8024a3d18de5ee7a5a928802c710e3a404bee7c6

SHA512
e0e44e07a495b6ac41bad98ba99ac4e5d5f5258e65a266e223b62f983bea012a4ae2283f0812315fac970d48a0b476ce12cd4d960926f74107d74c39bef2d65c

Download Submit
memory/2372-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2372-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2372-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2372-14-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2372-1-0x0000000000610000-0x0000000000710000-memory.dmp

Filesize
1024KB

Download
memory/2372-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2816-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2816-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2816-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2816-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2816-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2960-13-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads