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Analysis

  • max time kernel
    142s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13/02/2025, 22:13

General

  • Target

    2025-02-13_e420639e928141fb52e3e7fadc0dbc29_mafia.exe

  • Size

    14.0MB

  • MD5

    e420639e928141fb52e3e7fadc0dbc29

  • SHA1

    ea45e1fd71e302a70f2f84d6fde8d99527070e64

  • SHA256

    a920480bd38fe3e88cdc91dce7e3b736e3416d5e3d0e62cf6bc82962f4e5271a

  • SHA512

    d0d6389052dd39c1016acb39e49f5b7952dedabbfd3861a3ff29b9f007cd2b1c7dd608013d2f3f3dcd5e47294948d7f94795d0fe3b1669e54191b544202e4b63

  • SSDEEP

    49152:jLFuiE888888888888888888888888888888888888888888888888888888888s:jLM

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.

  • Tofsee family
  • Windows security bypass 2 TTPs 1 IoCs
  • Creates new service(s) 2 TTPs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • 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.

  • 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.

  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-02-13_e420639e928141fb52e3e7fadc0dbc29_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-13_e420639e928141fb52e3e7fadc0dbc29_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:348
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lpbkvqke\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2088
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\irlqihcy.exe" C:\Windows\SysWOW64\lpbkvqke\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2528
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create lpbkvqke binPath= "C:\Windows\SysWOW64\lpbkvqke\irlqihcy.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-13_e420639e928141fb52e3e7fadc0dbc29_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2356
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description lpbkvqke "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2920
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start lpbkvqke
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2044
    • 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:2720
  • C:\Windows\SysWOW64\lpbkvqke\irlqihcy.exe
    C:\Windows\SysWOW64\lpbkvqke\irlqihcy.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-13_e420639e928141fb52e3e7fadc0dbc29_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2728
    • 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:2816

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\irlqihcy.exe

    Filesize

    10.7MB

    MD5

    fa4e150bd2d9f3643b16a43221df6cb6

    SHA1

    cfe68a2880c6291bc248c05eb2defb8a62dc96c7

    SHA256

    78d9ff31ea05279a6e272726b7dcb36f23401abed2508ab6126aacb116e9c215

    SHA512

    ee1420100fa19cb9304d8c0f9581b295ede16c653146338f5f7d6d97b0e47ac3f5d48505bb73cd7378dc9bd99fd8fcccb91b5fbe1a396a4d71bced6cb3bed8c7

  • memory/348-1-0x0000000002F10000-0x0000000003010000-memory.dmp

    Filesize

    1024KB

  • memory/348-2-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/348-4-0x0000000000400000-0x0000000002DBF000-memory.dmp

    Filesize

    41.7MB

  • memory/348-16-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/348-15-0x0000000000400000-0x0000000002DBF000-memory.dmp

    Filesize

    41.7MB

  • memory/2728-13-0x0000000000400000-0x0000000002DBF000-memory.dmp

    Filesize

    41.7MB

  • memory/2816-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2816-12-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2816-8-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2816-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2816-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB