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
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20250207-en
  • resource tags

    arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
  • submitted
    30/03/2025, 09:22

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    2025-03-30_5710a1f1113593d7f17cf60dab5cd8d9_black-basta_luca-stealer_smoke-loader.exe

  • Size

    10.9MB

  • MD5

    5710a1f1113593d7f17cf60dab5cd8d9

  • SHA1

    2c93853e7ba2a12eb705c140f9477a1860ea2700

  • SHA256

    d16cb42179c40020d71bfae3bc76583874fc9908cb5edc699b5797263f29ba69

  • SHA512

    f9a98100ced7072a525dca95ce2fb2318284fe9be24da6189761e09129882846376ef137eaeff4938740abfdcd0d53d473db90913e6ff2c56b8c768e5a2a761b

  • SSDEEP

    3072:XZnbTHQC2mC+vdVcQuHAGSr9viHWhPxO796t6B7Aw5S2FxmEBVrVrVrVrVrVrVrS:pnJjcngGSrlqFp6kCyxTa

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_5710a1f1113593d7f17cf60dab5cd8d9_black-basta_luca-stealer_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-30_5710a1f1113593d7f17cf60dab5cd8d9_black-basta_luca-stealer_smoke-loader.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1544
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\trqifoxr\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2404
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lffwhqhj.exe" C:\Windows\SysWOW64\trqifoxr\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2576
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create trqifoxr binPath= "C:\Windows\SysWOW64\trqifoxr\lffwhqhj.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-03-30_5710a1f1113593d7f17cf60dab5cd8d9_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:1972
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description trqifoxr "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2156
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start trqifoxr
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2824
    • 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:2768
  • C:\Windows\SysWOW64\trqifoxr\lffwhqhj.exe
    C:\Windows\SysWOW64\trqifoxr\lffwhqhj.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-03-30_5710a1f1113593d7f17cf60dab5cd8d9_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:2884
    • 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:2644

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

    14.0MB

    MD5

    d50cf28892ae5c1e97033a876a1e1b22

    SHA1

    1da07391fcc374970301fde4cbf851841d4512ea

    SHA256

    9c2e0b2a5a21b9487f02bf6a6c3fe30e4e3556fecc08c6b3e9100dd724e75bfc

    SHA512

    56cad68cf3b61487cd9f7e04e574101d2bad302ad65bebbc63407cdd57440e645c049a7365ecb5623053b74e03cf81df1e9f3f7196e3328af166b0f874a282cb

    Download Submit

  • memory/1544-7-0x0000000000400000-0x0000000000459000-memory.dmp

    Filesize

    356KB

    Download

  • memory/1544-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

    Download

  • memory/1544-2-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB

    Download

  • memory/1544-9-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

    Download

  • memory/1544-8-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB

    Download

  • memory/1544-1-0x00000000004F0000-0x00000000005F0000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/2644-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2644-14-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2644-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2644-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2644-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2884-16-0x0000000000400000-0x0000000000459000-memory.dmp

    Filesize

    356KB

    Download