Overview

overview

10

Static

static

3

2025-04-04...er.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    146s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/04/2025, 06:17

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General

  • Target

    2025-04-04_e08bc2293bdeba0df986355ce62864ee_amadey_rhadamanthys_smoke-loader.exe

  • Size

    11.5MB

  • MD5

    e08bc2293bdeba0df986355ce62864ee

  • SHA1

    e53cb1919f970f511eb6c1a4b6b6b2a0f2c4040f

  • SHA256

    ada07f035ad940ba06214f02ab3e66513443530d6b1dce33ddc20829bd028408

  • SHA512

    5df0154cf1c916a9773d8bc2fdb2e7ce400c966022561e7df4861a4aadf8e77dc308b381ed8fed96f65e5a24e5371cbcc4b504d98573ac393c0180a8ef80093a

  • SSDEEP

    3072:BUYC9q24pkJimkGgbdGz9uIYogXFYfKkqCZB8h0e2R10JKuC5PsFRRRRRRRRRRRn:BUYgq6krsz9Ti1h0eSuJ4s

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
  • 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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-04-04_e08bc2293bdeba0df986355ce62864ee_amadey_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-04-04_e08bc2293bdeba0df986355ce62864ee_amadey_rhadamanthys_smoke-loader.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:464
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\bbpkyuzt\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3764
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ultrbwdr.exe" C:\Windows\SysWOW64\bbpkyuzt\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4716
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create bbpkyuzt binPath= "C:\Windows\SysWOW64\bbpkyuzt\ultrbwdr.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-04-04_e08bc2293bdeba0df986355ce62864ee_amadey_rhadamanthys_smoke-loader.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4624
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description bbpkyuzt "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2748
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start bbpkyuzt
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4792
    • 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:4972
  • C:\Windows\SysWOW64\bbpkyuzt\ultrbwdr.exe
    C:\Windows\SysWOW64\bbpkyuzt\ultrbwdr.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-04-04_e08bc2293bdeba0df986355ce62864ee_amadey_rhadamanthys_smoke-loader.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4752
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:4944

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

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

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\ultrbwdr.exe
    Filesize

    10.4MB

    MD5

    2c4f2c0db86b4a48f9c265c1a0cd17b9

    SHA1

    7d4501b8c8070af0dd5fe119c5f0e3752be2ee9f

    SHA256

    84c733a85773e7f90bbbc7c76a144223da9757ecfb44c2c1f0c69b8b688c8da9

    SHA512

    b7b88d10aeba6378fc65039bfd55df280092e9003e0f6f5ceca8147ff40e55633f887d250682d5e94ac1816ddabf0c9991a3034930aceb56bf48278949964a53

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  • memory/464-2-0x0000000003EF0000-0x0000000003F03000-memory.dmp

    Filesize

    76KB

    Download

  • memory/464-1-0x00000000040D0000-0x00000000041D0000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/464-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

    Download

  • memory/464-13-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

    Download

  • memory/464-12-0x0000000003EF0000-0x0000000003F03000-memory.dmp

    Filesize

    76KB

    Download

  • memory/464-11-0x0000000000400000-0x0000000003DA3000-memory.dmp

    Filesize

    57.6MB

    Download

  • memory/4752-10-0x0000000000400000-0x0000000003DA3000-memory.dmp

    Filesize

    57.6MB

    Download

  • memory/4944-8-0x0000000001090000-0x00000000010A5000-memory.dmp

    Filesize

    84KB

    Download

  • memory/4944-14-0x0000000001090000-0x00000000010A5000-memory.dmp

    Filesize

    84KB

    Download

  • memory/4944-15-0x0000000001090000-0x00000000010A5000-memory.dmp

    Filesize

    84KB

    Download