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
    143s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30/03/2025, 09:13

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General

  • Target

    2025-03-30_1c526771bead2c837c2e2b3245404b92_black-basta_luca-stealer_smoke-loader.exe

  • Size

    10.4MB

  • MD5

    1c526771bead2c837c2e2b3245404b92

  • SHA1

    0975ea6c1d375b7442c1e3ac8471437e29bb68a7

  • SHA256

    d788c1e407850e1e7cbc1f8778e1d7c185befbecb489e106e4f878f5cdade172

  • SHA512

    e76528ba555fea7a39d93fca6ff17c80576f0c4abb205c4c55b2ff04221e126fa5c0540d5f8af9ce96b6b48158391b2d23249bcee769ff25751ab2b7181fed0c

  • SSDEEP

    12288:Hr7yOp3qzyEw777777777777777777777777777777777777777777777777777k:XyOp3XEL

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_1c526771bead2c837c2e2b3245404b92_black-basta_luca-stealer_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-30_1c526771bead2c837c2e2b3245404b92_black-basta_luca-stealer_smoke-loader.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2108
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qcdaoreo\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1724
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\nwqvnmhd.exe" C:\Windows\SysWOW64\qcdaoreo\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2372
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create qcdaoreo binPath= "C:\Windows\SysWOW64\qcdaoreo\nwqvnmhd.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-03-30_1c526771bead2c837c2e2b3245404b92_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:2544
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description qcdaoreo "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2692
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start qcdaoreo
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2744
    • 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:2856
  • C:\Windows\SysWOW64\qcdaoreo\nwqvnmhd.exe
    C:\Windows\SysWOW64\qcdaoreo\nwqvnmhd.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-03-30_1c526771bead2c837c2e2b3245404b92_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:2804
    • 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:1812

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

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Downloads

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

    12.1MB

    MD5

    47edd231448b7b3c83d5f66ebc3fdbb3

    SHA1

    9efc3a15617b527829607a0c945b8a0d48978557

    SHA256

    d8acffc6d2cf400696b4232b548f08e828d44dd13fc3f562141926c911ec7711

    SHA512

    e1f97d6765a418a2f3a801ef2fb47ae687ada096327939efe0217044db52cf203e30e7a50de68f9c8a0feb1191b633148238d1bb5df2bbd9ebafa165cea244e3

    Download Submit

  • memory/1812-15-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

    Download

  • memory/1812-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

    Download

  • memory/1812-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1812-12-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

    Download

  • memory/1812-20-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2108-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2108-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

    Download

  • memory/2108-6-0x0000000000400000-0x0000000003588000-memory.dmp

    Filesize

    49.5MB

    Download

  • memory/2108-10-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2108-9-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

    Download

  • memory/2108-8-0x0000000000400000-0x0000000003588000-memory.dmp

    Filesize

    49.5MB

    Download

  • memory/2108-1-0x0000000000250000-0x0000000000350000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/2804-18-0x0000000000400000-0x0000000003588000-memory.dmp

    Filesize

    49.5MB

    Download