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
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30/03/2025, 09:18

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    2025-03-30_1220665f1aea031000e46b1aec1a5c44_black-basta_luca-stealer.exe

  • Size

    14.5MB

  • MD5

    1220665f1aea031000e46b1aec1a5c44

  • SHA1

    77df7ed1471b3845bb5e74a52a416ad058783f7e

  • SHA256

    e13dbafcfd8506784a4d05380e0d5becbfcbd3b0933009d584c9acfe3e1fece1

  • SHA512

    a5f8b5e5543d925c33d2d37334685e620bf75842740384f9e819d159c3a6d31a3df7e66463b8135bbddd88f00dfce2194145fa74d2e3685cd5625454a97fcccd

  • SSDEEP

    3072:x5nbTHQC2mC+vdVWQhHPGyCsPiHMhPxO7rFI7NP6BfGrIHmll9uX4YRrVOVOVOVh:znJjWIvGyCYq/H2Ak5uXa

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_1220665f1aea031000e46b1aec1a5c44_black-basta_luca-stealer.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-30_1220665f1aea031000e46b1aec1a5c44_black-basta_luca-stealer.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\slasfqwn\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2696
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\cpbyrejt.exe" C:\Windows\SysWOW64\slasfqwn\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2296
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create slasfqwn binPath= "C:\Windows\SysWOW64\slasfqwn\cpbyrejt.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-03-30_1220665f1aea031000e46b1aec1a5c44_black-basta_luca-stealer.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2192
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description slasfqwn "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2796
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start slasfqwn
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2812
    • 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:2220
  • C:\Windows\SysWOW64\slasfqwn\cpbyrejt.exe
    C:\Windows\SysWOW64\slasfqwn\cpbyrejt.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-03-30_1220665f1aea031000e46b1aec1a5c44_black-basta_luca-stealer.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2872
    • 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:2780

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\cpbyrejt.exe
    Filesize

    11.2MB

    MD5

    09ce8f1045ee9973ad63b4880c4a45ca

    SHA1

    fe66920eed20999fdede271c6daf342d5067e57b

    SHA256

    e9f731e143c6045d2e3168401bca7467809b768c719d1be6d7cce78b6a35b95a

    SHA512

    514a1255045d9e9863b74e565ffa37a5f65b91a9b9538fdaeed60bf510b2bf86fff500ae7ad8da4e4645247a9b362fce3549371089b0e22c62a369279f588754

    Download Submit

  • memory/1924-1-0x0000000000590000-0x0000000000690000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/1924-3-0x0000000000400000-0x0000000000459000-memory.dmp

    Filesize

    356KB

    Download

  • memory/1924-2-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

    Download

  • memory/1924-9-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

    Download

  • memory/1924-8-0x0000000000400000-0x0000000000459000-memory.dmp

    Filesize

    356KB

    Download

  • memory/2780-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2780-17-0x0000000000110000-0x0000000000125000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2780-14-0x0000000000110000-0x0000000000125000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2780-11-0x0000000000110000-0x0000000000125000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2780-18-0x0000000000110000-0x0000000000125000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2872-16-0x0000000000400000-0x0000000000459000-memory.dmp

    Filesize

    356KB

    Download