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
    145s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    30/03/2025, 09:14

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General

  • Target

    2025-03-30_25f6954599436d8d8a90d50e0c3f0641_amadey_rhadamanthys_smoke-loader.exe

  • Size

    10.7MB

  • MD5

    25f6954599436d8d8a90d50e0c3f0641

  • SHA1

    e592d127dc719a07390093839714c6049267956d

  • SHA256

    d3e803eeb70ddbfc8156b770fd62b409c6f0041e04eb7a6bd83ada319ac1a03c

  • SHA512

    661df871289cbc313baf82ee32e38a8a5ce57b43682b2e21cffcb33f9b40b21fdf1d43554bc514dde04beb6a08dc3fb4b032d81dd8b59309c302384fc0487af5

  • SSDEEP

    6144:V2MDRs+9skCSisUPOdxJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJx:V2y6eCSio

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_25f6954599436d8d8a90d50e0c3f0641_amadey_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-30_25f6954599436d8d8a90d50e0c3f0641_amadey_rhadamanthys_smoke-loader.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\nsmvdrpb\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2564
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hyubsrvz.exe" C:\Windows\SysWOW64\nsmvdrpb\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2600
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create nsmvdrpb binPath= "C:\Windows\SysWOW64\nsmvdrpb\hyubsrvz.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-03-30_25f6954599436d8d8a90d50e0c3f0641_amadey_rhadamanthys_smoke-loader.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2352
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description nsmvdrpb "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2368
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start nsmvdrpb
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2724
    • 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:2868
  • C:\Windows\SysWOW64\nsmvdrpb\hyubsrvz.exe
    C:\Windows\SysWOW64\nsmvdrpb\hyubsrvz.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-03-30_25f6954599436d8d8a90d50e0c3f0641_amadey_rhadamanthys_smoke-loader.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2472
    • 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:2476

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

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Downloads

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

    14.4MB

    MD5

    855ef37dc53435bf16de711372118392

    SHA1

    ec6924209d04dccd52c8c1757c9232a34b5dd6c5

    SHA256

    94c0140bdad0cb4eefc70922a7c97d6b35d12030ae28d4741fda5121a6e3977f

    SHA512

    e5041cc5c8df87f220a95d0edde29608f73fdcb3ae38e65c3380630192dacc9a3dd57aea90076c5a145bd683256b3c511768da78e563defb16f94756ac28b109

    Download Submit

  • memory/2372-14-0x0000000000400000-0x0000000001400000-memory.dmp

    Filesize

    16.0MB

    Download

  • memory/2372-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2372-1-0x0000000000290000-0x0000000000390000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/2372-16-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2372-2-0x00000000001B0000-0x00000000001C3000-memory.dmp

    Filesize

    76KB

    Download

  • memory/2372-15-0x00000000001B0000-0x00000000001C3000-memory.dmp

    Filesize

    76KB

    Download

  • memory/2472-12-0x0000000000400000-0x0000000001400000-memory.dmp

    Filesize

    16.0MB

    Download

  • memory/2476-11-0x0000000000110000-0x0000000000125000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2476-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2476-8-0x0000000000110000-0x0000000000125000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2476-17-0x0000000000110000-0x0000000000125000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2476-18-0x0000000000110000-0x0000000000125000-memory.dmp

    Filesize

    84KB

    Download