Overview

overview

10

Static

static

3

2025-03-30...er.exe

windows7-x64

10

2025-03-30...er.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    140s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30/03/2025, 09:19

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    2025-03-30_44060047c09b10a66899ce012387c5c3_black-basta_luca-stealer_smoke-loader.exe

  • Size

    13.9MB

  • MD5

    44060047c09b10a66899ce012387c5c3

  • SHA1

    d7f0f95a1f168c74dcf2109e280d3da40af6f904

  • SHA256

    6542df9290b0e3312e5c6d143461b5258901597514b7cb3aed1280c8271041eb

  • SHA512

    d1258de502f4b38d3aee82ab8f978e9593e85f5b222ea05a9558fa1515b5e622daf08b8e936439c274a5c59242ec75c15df63f5d3580afcf56af31c8e73568ae

  • SSDEEP

    3072:AZnbTHQC2mC+vdVcQuHAGSr9viHWhPxO796t6B7Aw5S2FxmEBVrVrVrVrVrVrVrb:UnJjcngGSrlqFp6kCyxTT

Score
10/10
tofseedefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

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.

    trojantofsee
  • Tofsee family
    tofsee
  • Windows security bypass 2 TTPs 1 IoCs
    defense_evasiontrojan
  • Creates new service(s) 2 TTPs
    persistenceexecution
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    defense_evasion
  • Sets service image path in registry 2 TTPs 1 IoCs
    persistence
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Launches sc.exe 3 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

    persistenceprivilege_escalation
  • 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
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-03-30_44060047c09b10a66899ce012387c5c3_black-basta_luca-stealer_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-30_44060047c09b10a66899ce012387c5c3_black-basta_luca-stealer_smoke-loader.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2740
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ienyduhx\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2692
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lffwhqhj.exe" C:\Windows\SysWOW64\ienyduhx\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2648
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create ienyduhx binPath= "C:\Windows\SysWOW64\ienyduhx\lffwhqhj.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-03-30_44060047c09b10a66899ce012387c5c3_black-basta_luca-stealer_smoke-loader.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2748
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description ienyduhx "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2564
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start ienyduhx
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:1404
    • 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:2560
  • C:\Windows\SysWOW64\ienyduhx\lffwhqhj.exe
    C:\Windows\SysWOW64\ienyduhx\lffwhqhj.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-03-30_44060047c09b10a66899ce012387c5c3_black-basta_luca-stealer_smoke-loader.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2544
    • 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:1920

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

2
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

1
T1562.001

Modify Registry

2
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\lffwhqhj.exe
    Filesize

    11.7MB

    MD5

    556201b65d8ca32b713c30d439318ad3

    SHA1

    f662c43c0be7124dbda62d97d37a34b8c5962901

    SHA256

    ccd051f90f8fb7162e442f7f340076cf0977bddff565023011d38ca95d37c688

    SHA512

    d6775360aec494dfd613931b4fc0a7c261717c594fa694beae7410c94c9ef01c24aff48e8b336aea97749040234bf9f6562f7fd08d96fa8630d7f542005c1cc6

    Download Submit

  • memory/1920-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1920-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

    Download

  • memory/1920-14-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

    Download

  • memory/1920-16-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

    Download

  • memory/1920-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2544-17-0x0000000000400000-0x0000000000459000-memory.dmp

    Filesize

    356KB

    Download

  • memory/2740-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2740-2-0x00000000001B0000-0x00000000001C3000-memory.dmp

    Filesize

    76KB

    Download

  • memory/2740-9-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2740-8-0x00000000001B0000-0x00000000001C3000-memory.dmp

    Filesize

    76KB

    Download

  • memory/2740-7-0x0000000000400000-0x0000000000459000-memory.dmp

    Filesize

    356KB

    Download

  • memory/2740-1-0x0000000000290000-0x0000000000390000-memory.dmp

    Filesize

    1024KB

    Download