tofsee | cb2dc76593135bd01f4c56b8692cc72da95b4177dff085cc47277005d85f1698

General

Target

2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe
Size

10.0MB
MD5

607550a914787aab3fa1b8809482f62a
SHA1

44d1170f7a2df77bd26317f2995fb89f1929f96f
SHA256

cb2dc76593135bd01f4c56b8692cc72da95b4177dff085cc47277005d85f1698
SHA512

d747d3daca4d7590556d7dd5df8433b7fa3a928d237a7b7139081f90556361737b059908ffa8a1d2b8f461da6ac414ff685cda8f580ad3ca07fa9345f3155181
SSDEEP

196608:HyXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:SXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXn

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

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
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
2060	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\scnlmdvl\ImagePath = "C:\\Windows\\SysWOW64\\scnlmdvl\\rauzrqlh.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe

Deletes itself 1 IoCs

pid	Process
2692	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4128	rauzrqlh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4128 set thread context of 2692	4128	rauzrqlh.exe	95

Launches sc.exe 3 IoCs

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

pid	Process
4464	sc.exe
4440	sc.exe
3300	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	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	rauzrqlh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.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 23 IoCs

description	pid	Process	procid_target
PID 4024 wrote to memory of 2680	4024	2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe	83
PID 4024 wrote to memory of 2680	4024	2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe	83
PID 4024 wrote to memory of 2680	4024	2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe	83
PID 4024 wrote to memory of 1064	4024	2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe	85
PID 4024 wrote to memory of 1064	4024	2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe	85
PID 4024 wrote to memory of 1064	4024	2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe	85
PID 4024 wrote to memory of 4464	4024	2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe	87
PID 4024 wrote to memory of 4464	4024	2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe	87
PID 4024 wrote to memory of 4464	4024	2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe	87
PID 4024 wrote to memory of 4440	4024	2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe	89
PID 4024 wrote to memory of 4440	4024	2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe	89
PID 4024 wrote to memory of 4440	4024	2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe	89
PID 4024 wrote to memory of 3300	4024	2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe	92
PID 4024 wrote to memory of 3300	4024	2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe	92
PID 4024 wrote to memory of 3300	4024	2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe	92
PID 4128 wrote to memory of 2692	4128	rauzrqlh.exe	95
PID 4128 wrote to memory of 2692	4128	rauzrqlh.exe	95
PID 4128 wrote to memory of 2692	4128	rauzrqlh.exe	95
PID 4128 wrote to memory of 2692	4128	rauzrqlh.exe	95
PID 4128 wrote to memory of 2692	4128	rauzrqlh.exe	95
PID 4024 wrote to memory of 2060	4024	2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe	96
PID 4024 wrote to memory of 2060	4024	2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe	96
PID 4024 wrote to memory of 2060	4024	2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe	96

C:\Users\Admin\AppData\Local\Temp\2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\scnlmdvl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2680
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rauzrqlh.exe" C:\Windows\SysWOW64\scnlmdvl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1064
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create scnlmdvl binPath= "C:\Windows\SysWOW64\scnlmdvl\rauzrqlh.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4464
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description scnlmdvl "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4440
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start scnlmdvl
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3300
- 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:2060

C:\Windows\SysWOW64\scnlmdvl\rauzrqlh.exe
C:\Windows\SysWOW64\scnlmdvl\rauzrqlh.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-24_607550a914787aab3fa1b8809482f62a_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4128
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\rauzrqlh.exe

Filesize
11.0MB

MD5
11e7d5a4673217bd9d1bebcedab372a2

SHA1
ece84d8bdb482c29a8cd2ae4d1ffb7d06047c557

SHA256
022be22edaf98129cf779a5478a5f1ddca32c6ff240baf4709b911c14433fc7b

SHA512
eb34f02d9f0053f19e3c8231d6b4a799bb175118c81f7ea21da79a71566617d6e7947c745622bfa262b9d926f6a1dc97ae70bb1a80e698e3b0b09c9afc15ac45

Download Submit
memory/2692-10-0x0000000000840000-0x0000000000855000-memory.dmp

Filesize
84KB

Download
memory/2692-19-0x0000000000840000-0x0000000000855000-memory.dmp

Filesize
84KB

Download
memory/2692-21-0x0000000000840000-0x0000000000855000-memory.dmp

Filesize
84KB

Download
memory/2692-15-0x0000000000840000-0x0000000000855000-memory.dmp

Filesize
84KB

Download
memory/2692-20-0x0000000000840000-0x0000000000855000-memory.dmp

Filesize
84KB

Download
memory/4024-2-0x0000000000630000-0x0000000000643000-memory.dmp

Filesize
76KB

Download
memory/4024-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4024-1-0x00000000007F0000-0x00000000008F0000-memory.dmp

Filesize
1024KB

Download
memory/4024-16-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4024-18-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4024-17-0x0000000000630000-0x0000000000643000-memory.dmp

Filesize
76KB

Download
memory/4128-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4128-14-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4128-9-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads