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
    146s
  • 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, 09:12

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General

  • Target

    2025-03-30_17fe13437716d7ce13eab20072a470a2_rhadamanthys_smoke-loader.exe

  • Size

    12.3MB

  • MD5

    17fe13437716d7ce13eab20072a470a2

  • SHA1

    6e07b55596f7e4b516f3e313a0aa534b178069bd

  • SHA256

    23994d6b107a601793968043b2300a102c53d14278b3fd335ce69f7566cda3d4

  • SHA512

    3761ff74da517c702a0237ed6a2b7065dd0a6d4a7d00fc139a0d19da2fd15ec66e59f4764d797f0593490957d6a811887a26cf6a046ee546a4c85faed703e870

  • SSDEEP

    6144:9AvhPJRn+Uy8dLqZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZE:9UhpLd/

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_17fe13437716d7ce13eab20072a470a2_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-30_17fe13437716d7ce13eab20072a470a2_rhadamanthys_smoke-loader.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2196
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\uijmbqeh\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2812
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ywfgplaw.exe" C:\Windows\SysWOW64\uijmbqeh\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2900
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create uijmbqeh binPath= "C:\Windows\SysWOW64\uijmbqeh\ywfgplaw.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-03-30_17fe13437716d7ce13eab20072a470a2_rhadamanthys_smoke-loader.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2552
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description uijmbqeh "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2864
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start uijmbqeh
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2712
    • 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:2556
  • C:\Windows\SysWOW64\uijmbqeh\ywfgplaw.exe
    C:\Windows\SysWOW64\uijmbqeh\ywfgplaw.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-03-30_17fe13437716d7ce13eab20072a470a2_rhadamanthys_smoke-loader.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2820
    • 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:2592

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\ywfgplaw.exe
    Filesize

    13.9MB

    MD5

    d37117dc57b0424e1982f06ba9081d87

    SHA1

    4eeb4b0647ae31e64554df3e3605e9897a9bcb45

    SHA256

    3cd310480ea1d694b36322657a93a48b3fbe664969e0dcd766499014d19ddc9b

    SHA512

    254ae2a43d7b9823d15cbf4c6e3176536d6ff73b4f5a182187c1aa50f048630730a8b3cf4c9d8e03cff050663949b43c31d673935eb70b258d4b5e9bfe7c021e

    Download Submit

  • memory/2196-7-0x0000000000400000-0x0000000005FD3000-memory.dmp

    Filesize

    91.8MB

    Download

  • memory/2196-4-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2196-2-0x00000000001B0000-0x00000000001C3000-memory.dmp

    Filesize

    76KB

    Download

  • memory/2196-9-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2196-8-0x00000000001B0000-0x00000000001C3000-memory.dmp

    Filesize

    76KB

    Download

  • memory/2196-1-0x0000000000290000-0x0000000000390000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/2592-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2592-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2592-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2592-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2592-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2820-16-0x0000000000400000-0x0000000005FD3000-memory.dmp

    Filesize

    91.8MB

    Download