tofsee | cbd4abf818fa3367e25fb5acfb1aace887e95dfca28fa5c95ea0bacd4356d022

General

Target

2025-04-04_5db90818624cb15c1100fab160303b15_black-basta_luca-stealer.exe
Size

10.7MB
MD5

5db90818624cb15c1100fab160303b15
SHA1

b8853b6a4041a10e41b27d9ec6adfd4cbe6d1ad0
SHA256

cbd4abf818fa3367e25fb5acfb1aace887e95dfca28fa5c95ea0bacd4356d022
SHA512

2be3625961769a15bdc4d9e9152d45ab00d1c4433f2502984e17c366286da1b0c7f55dcc5f425fb85694f0ef5a6beddf7c8c4a91217bce278275e03f27fea785
SSDEEP

12288:7WaQslyPXVhHfUjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjq:qaQNlhHfF

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
4552	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\lhjklfkh\ImagePath = "C:\\Windows\\SysWOW64\\lhjklfkh\\npitaiwm.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-1-5-21-83325578-304917428-1200496059-1000\Control Panel\International\Geo\Nation	2025-04-04_5db90818624cb15c1100fab160303b15_black-basta_luca-stealer.exe

Deletes itself 1 IoCs

pid	Process
1828	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3004	npitaiwm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3004 set thread context of 1828	3004	npitaiwm.exe	110

Launches sc.exe 3 IoCs

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

pid	Process
1008	sc.exe
4736	sc.exe
2448	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
408	776	WerFault.exe	86
1444	3004	WerFault.exe	103

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-04-04_5db90818624cb15c1100fab160303b15_black-basta_luca-stealer.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	npitaiwm.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 776 wrote to memory of 5604	776	2025-04-04_5db90818624cb15c1100fab160303b15_black-basta_luca-stealer.exe	90
PID 776 wrote to memory of 5604	776	2025-04-04_5db90818624cb15c1100fab160303b15_black-basta_luca-stealer.exe	90
PID 776 wrote to memory of 5604	776	2025-04-04_5db90818624cb15c1100fab160303b15_black-basta_luca-stealer.exe	90
PID 776 wrote to memory of 5464	776	2025-04-04_5db90818624cb15c1100fab160303b15_black-basta_luca-stealer.exe	92
PID 776 wrote to memory of 5464	776	2025-04-04_5db90818624cb15c1100fab160303b15_black-basta_luca-stealer.exe	92
PID 776 wrote to memory of 5464	776	2025-04-04_5db90818624cb15c1100fab160303b15_black-basta_luca-stealer.exe	92
PID 776 wrote to memory of 1008	776	2025-04-04_5db90818624cb15c1100fab160303b15_black-basta_luca-stealer.exe	94
PID 776 wrote to memory of 1008	776	2025-04-04_5db90818624cb15c1100fab160303b15_black-basta_luca-stealer.exe	94
PID 776 wrote to memory of 1008	776	2025-04-04_5db90818624cb15c1100fab160303b15_black-basta_luca-stealer.exe	94
PID 776 wrote to memory of 4736	776	2025-04-04_5db90818624cb15c1100fab160303b15_black-basta_luca-stealer.exe	98
PID 776 wrote to memory of 4736	776	2025-04-04_5db90818624cb15c1100fab160303b15_black-basta_luca-stealer.exe	98
PID 776 wrote to memory of 4736	776	2025-04-04_5db90818624cb15c1100fab160303b15_black-basta_luca-stealer.exe	98
PID 776 wrote to memory of 2448	776	2025-04-04_5db90818624cb15c1100fab160303b15_black-basta_luca-stealer.exe	100
PID 776 wrote to memory of 2448	776	2025-04-04_5db90818624cb15c1100fab160303b15_black-basta_luca-stealer.exe	100
PID 776 wrote to memory of 2448	776	2025-04-04_5db90818624cb15c1100fab160303b15_black-basta_luca-stealer.exe	100
PID 776 wrote to memory of 4552	776	2025-04-04_5db90818624cb15c1100fab160303b15_black-basta_luca-stealer.exe	105
PID 776 wrote to memory of 4552	776	2025-04-04_5db90818624cb15c1100fab160303b15_black-basta_luca-stealer.exe	105
PID 776 wrote to memory of 4552	776	2025-04-04_5db90818624cb15c1100fab160303b15_black-basta_luca-stealer.exe	105
PID 3004 wrote to memory of 1828	3004	npitaiwm.exe	110
PID 3004 wrote to memory of 1828	3004	npitaiwm.exe	110
PID 3004 wrote to memory of 1828	3004	npitaiwm.exe	110
PID 3004 wrote to memory of 1828	3004	npitaiwm.exe	110
PID 3004 wrote to memory of 1828	3004	npitaiwm.exe	110

C:\Users\Admin\AppData\Local\Temp\2025-04-04_5db90818624cb15c1100fab160303b15_black-basta_luca-stealer.exe
"C:\Users\Admin\AppData\Local\Temp\2025-04-04_5db90818624cb15c1100fab160303b15_black-basta_luca-stealer.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:776
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lhjklfkh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5604
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\npitaiwm.exe" C:\Windows\SysWOW64\lhjklfkh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5464
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lhjklfkh binPath= "C:\Windows\SysWOW64\lhjklfkh\npitaiwm.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-04-04_5db90818624cb15c1100fab160303b15_black-basta_luca-stealer.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1008
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lhjklfkh "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4736
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lhjklfkh
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2448
- 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:4552
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 776 -s 1196
  2⤵
  - Program crash
  PID:408

C:\Windows\SysWOW64\lhjklfkh\npitaiwm.exe
C:\Windows\SysWOW64\lhjklfkh\npitaiwm.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-04-04_5db90818624cb15c1100fab160303b15_black-basta_luca-stealer.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1828
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 508
  2⤵
  - Program crash
  PID:1444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 776 -ip 776
1⤵
PID:4344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3004 -ip 3004
1⤵
PID:5524

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\npitaiwm.exe

Filesize
12.4MB

MD5
a6175e673fd119bd5d51f0c606bd212c

SHA1
c85e13b163636d30fd0923e49f54f7e7f5c92a25

SHA256
acde47835d7a0921ae479fb48f2212ed0de3f9725f4b0a74251d7df6e9735375

SHA512
7fdc92ea7ed659c3cca3e113174de403ebd73ddc140a59f8f38897f7f4df0925fa06eba82e76584df2b172f4d76fde4e804c7228497092d7188ee05ab82657da

Download Submit
memory/776-7-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/776-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/776-2-0x00000000021B0000-0x00000000021C3000-memory.dmp

Filesize
76KB

Download
memory/776-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/776-8-0x00000000021B0000-0x00000000021C3000-memory.dmp

Filesize
76KB

Download
memory/776-1-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download
memory/1828-13-0x0000000000D60000-0x0000000000D75000-memory.dmp

Filesize
84KB

Download
memory/1828-15-0x0000000000D60000-0x0000000000D75000-memory.dmp

Filesize
84KB

Download
memory/1828-16-0x0000000000D60000-0x0000000000D75000-memory.dmp

Filesize
84KB

Download
memory/3004-11-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3004-12-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3004-18-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads