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Overview

overview

10

Static

static

3

2025-02-02...ia.exe

windows7-x64

10

2025-02-02...ia.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    145s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    02/02/2025, 01:12

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General

  • Target

    2025-02-02_ceaaf95f3018751179edd1ab5135602d_mafia.exe

  • Size

    11.6MB

  • MD5

    ceaaf95f3018751179edd1ab5135602d

  • SHA1

    65a3f4a21eb43af3e706261b96b9dd26e266d405

  • SHA256

    b80c11b49dbc53292afd6a4749a61ed5f0ceeadd3f0b6c1f56516bac82a4a3c5

  • SHA512

    46515f511973f910405258fbc15a78ed9fc953737855dd00e44959b6a59500e42d381e376df5864ad985a80bdee75b4b721d3927cc7da6fc2388968d3cfea573

  • SSDEEP

    24576:aEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZr:zfot

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\2025-02-02_ceaaf95f3018751179edd1ab5135602d_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-02_ceaaf95f3018751179edd1ab5135602d_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2972
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\izrxvhw\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1972
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\yhbgyxso.exe" C:\Windows\SysWOW64\izrxvhw\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1932
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create izrxvhw binPath= "C:\Windows\SysWOW64\izrxvhw\yhbgyxso.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-02_ceaaf95f3018751179edd1ab5135602d_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2484
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description izrxvhw "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:1924
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start izrxvhw
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2280
    • 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:2928
  • C:\Windows\SysWOW64\izrxvhw\yhbgyxso.exe
    C:\Windows\SysWOW64\izrxvhw\yhbgyxso.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-02_ceaaf95f3018751179edd1ab5135602d_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2708
    • 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:2936

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\yhbgyxso.exe
    Filesize

    14.3MB

    MD5

    47f69c4c10a3d77d2da4109390f26577

    SHA1

    afe54be56a790f99506dbbfff94a525983331832

    SHA256

    e2f8498e3ab605935e16842867435718b04484be192bfe49a301c38e7f1adaf7

    SHA512

    4d773590cfb367624518790ff4b5fcdab1d8134ecc7c8974e3c3a80f849424e55cde3f167f8ba12a0195bb6ae4bf93a18b6eba948f74009e3647045992363e76

    Download Submit

  • memory/2708-13-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

    Download

  • memory/2936-8-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2936-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2936-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2936-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2936-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2972-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2972-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

    Download

  • memory/2972-1-0x0000000000290000-0x0000000000390000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/2972-14-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

    Download

  • memory/2972-16-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2972-15-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

    Download