tofsee | 09786ee13ab212d77fc3d7a11b73694e87403851bc5ee418bd5251043fe9fc38

General

Target

2025-03-31_87c0a988a2cc0f609e9c4c5ec6c09135_black-basta_luca-stealer.exe
Size

14.7MB
MD5

87c0a988a2cc0f609e9c4c5ec6c09135
SHA1

983e99278ad072ab5fdb2555870110417ad93da4
SHA256

09786ee13ab212d77fc3d7a11b73694e87403851bc5ee418bd5251043fe9fc38
SHA512

b95651e026b5a6de9d67c60e85e06f5dee88b166edce2f02437c083998ef74ff3611cd3fb2c2cba3651303586d8c89688129b88fb4a14d537131f82eae48cb67
SSDEEP

6144:5f0DpcGWwuzeuCkzdJk0aXILjkXDev7D9+Fy3HOpYlHn5eyc4+uK1:5fYcGWtpaXIcSvQ1GHnxzj

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
3464	netsh.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-1-5-21-805952410-2104024357-1716932545-1000\Control Panel\International\Geo\Nation	2025-03-31_87c0a988a2cc0f609e9c4c5ec6c09135_black-basta_luca-stealer.exe

Executes dropped EXE 1 IoCs

pid	Process
952	pxmqdbkk.exe

Launches sc.exe 3 IoCs

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

pid	Process
5784	sc.exe
1568	sc.exe
1604	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 7 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	2025-03-31_87c0a988a2cc0f609e9c4c5ec6c09135_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	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 18 IoCs

description	pid	Process	procid_target
PID 3708 wrote to memory of 3456	3708	2025-03-31_87c0a988a2cc0f609e9c4c5ec6c09135_black-basta_luca-stealer.exe	102
PID 3708 wrote to memory of 3456	3708	2025-03-31_87c0a988a2cc0f609e9c4c5ec6c09135_black-basta_luca-stealer.exe	102
PID 3708 wrote to memory of 3456	3708	2025-03-31_87c0a988a2cc0f609e9c4c5ec6c09135_black-basta_luca-stealer.exe	102
PID 3708 wrote to memory of 5844	3708	2025-03-31_87c0a988a2cc0f609e9c4c5ec6c09135_black-basta_luca-stealer.exe	104
PID 3708 wrote to memory of 5844	3708	2025-03-31_87c0a988a2cc0f609e9c4c5ec6c09135_black-basta_luca-stealer.exe	104
PID 3708 wrote to memory of 5844	3708	2025-03-31_87c0a988a2cc0f609e9c4c5ec6c09135_black-basta_luca-stealer.exe	104
PID 3708 wrote to memory of 5784	3708	2025-03-31_87c0a988a2cc0f609e9c4c5ec6c09135_black-basta_luca-stealer.exe	106
PID 3708 wrote to memory of 5784	3708	2025-03-31_87c0a988a2cc0f609e9c4c5ec6c09135_black-basta_luca-stealer.exe	106
PID 3708 wrote to memory of 5784	3708	2025-03-31_87c0a988a2cc0f609e9c4c5ec6c09135_black-basta_luca-stealer.exe	106
PID 3708 wrote to memory of 1568	3708	2025-03-31_87c0a988a2cc0f609e9c4c5ec6c09135_black-basta_luca-stealer.exe	110
PID 3708 wrote to memory of 1568	3708	2025-03-31_87c0a988a2cc0f609e9c4c5ec6c09135_black-basta_luca-stealer.exe	110
PID 3708 wrote to memory of 1568	3708	2025-03-31_87c0a988a2cc0f609e9c4c5ec6c09135_black-basta_luca-stealer.exe	110
PID 3708 wrote to memory of 1604	3708	2025-03-31_87c0a988a2cc0f609e9c4c5ec6c09135_black-basta_luca-stealer.exe	112
PID 3708 wrote to memory of 1604	3708	2025-03-31_87c0a988a2cc0f609e9c4c5ec6c09135_black-basta_luca-stealer.exe	112
PID 3708 wrote to memory of 1604	3708	2025-03-31_87c0a988a2cc0f609e9c4c5ec6c09135_black-basta_luca-stealer.exe	112
PID 3708 wrote to memory of 3464	3708	2025-03-31_87c0a988a2cc0f609e9c4c5ec6c09135_black-basta_luca-stealer.exe	115
PID 3708 wrote to memory of 3464	3708	2025-03-31_87c0a988a2cc0f609e9c4c5ec6c09135_black-basta_luca-stealer.exe	115
PID 3708 wrote to memory of 3464	3708	2025-03-31_87c0a988a2cc0f609e9c4c5ec6c09135_black-basta_luca-stealer.exe	115

C:\Users\Admin\AppData\Local\Temp\2025-03-31_87c0a988a2cc0f609e9c4c5ec6c09135_black-basta_luca-stealer.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-31_87c0a988a2cc0f609e9c4c5ec6c09135_black-basta_luca-stealer.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3708
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qjtscppp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3456
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pxmqdbkk.exe" C:\Windows\SysWOW64\qjtscppp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5844
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qjtscppp binPath= "C:\Windows\SysWOW64\qjtscppp\pxmqdbkk.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-03-31_87c0a988a2cc0f609e9c4c5ec6c09135_black-basta_luca-stealer.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5784
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qjtscppp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1568
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qjtscppp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1604
- 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:3464

C:\Windows\SysWOW64\qjtscppp\pxmqdbkk.exe
C:\Windows\SysWOW64\qjtscppp\pxmqdbkk.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-03-31_87c0a988a2cc0f609e9c4c5ec6c09135_black-basta_luca-stealer.exe"
1⤵
- Executes dropped EXE
PID:952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

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

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

1

T1562.004

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\pxmqdbkk.exe

Filesize
14.1MB

MD5
2c04c09feea410e551ea9b170f9daf25

SHA1
8f6ec677ecaa949f56c3fccc8e941d7cb586522b

SHA256
1fb5fd81d62dc8ff7bb985711247c9f9cecad77cfcc1515247ffedb7d7e2fc99

SHA512
fb3aca003231e8ac4bbc11544e4acf7c677ae0be1b4623f1ef05dcffec703f9d3d7a1c7a56f02cd639f940e623295ad3d8a748fc7e2c71e31688daf1389cca76

Download Submit
memory/952-8-0x0000000000400000-0x00000000033A7000-memory.dmp

Filesize
47.7MB

Download
memory/3708-0-0x0000000000400000-0x00000000033A7000-memory.dmp

Filesize
47.7MB

Download
memory/3708-2-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/3708-3-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/3708-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3708-10-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/3708-9-0x0000000000400000-0x00000000033A7000-memory.dmp

Filesize
47.7MB

Download
memory/3708-12-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads