Analysis

  • max time kernel
    146s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-01-2025 05:45

General

  • Target

    2025-01-31_0bc24556871b43248cc95e8fa707217d_mafia.exe

  • Size

    13.8MB

  • MD5

    0bc24556871b43248cc95e8fa707217d

  • SHA1

    1d6f337f491d57265393cdc0d5bd8bd6757281de

  • SHA256

    d1f8162cc1d9a27ebd286bb30b0bc208bd395d26dd859be6635a071f0bc8940b

  • SHA512

    adb5ba1a2e4dd6e90d4b615ed72e0c530435437291cb37a3a99a2c7c2b3f72b552c1ea0583bb6dc32e2df4c84e54bccf68663f687ce1f3919ff3cf9257ca53d1

  • SSDEEP

    49152:BqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPn:BqtYc3

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\2025-01-31_0bc24556871b43248cc95e8fa707217d_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-31_0bc24556871b43248cc95e8fa707217d_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2344
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gwzlpipb\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1716
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pcolerwg.exe" C:\Windows\SysWOW64\gwzlpipb\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2504
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create gwzlpipb binPath= "C:\Windows\SysWOW64\gwzlpipb\pcolerwg.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_0bc24556871b43248cc95e8fa707217d_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2284
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description gwzlpipb "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2820
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start gwzlpipb
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2784
    • 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:2420
  • C:\Windows\SysWOW64\gwzlpipb\pcolerwg.exe
    C:\Windows\SysWOW64\gwzlpipb\pcolerwg.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_0bc24556871b43248cc95e8fa707217d_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2692
    • 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:2888

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    14.2MB

    MD5

    a41cd4b567d670f140c07e5c7a638785

    SHA1

    8bbf14e2734ca021971a9e57e8acf30f0344a713

    SHA256

    24b30fb09381ff684938dafc8235cc8561849a316599a7f512bb000571bb0079

    SHA512

    2b4f1c782cd646e8445015a082640fe34002bbc66cd6c3e72e7426da2f061cad73f42ce9104eabcb367cffa88087fc9d76a6d5cc54a5504d70fd0a0614c0e85d

  • memory/2344-12-0x0000000000400000-0x0000000002DC3000-memory.dmp

    Filesize

    41.8MB

  • memory/2344-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2344-2-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB

  • memory/2344-15-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2344-14-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB

  • memory/2344-1-0x0000000002FA0000-0x00000000030A0000-memory.dmp

    Filesize

    1024KB

  • memory/2692-16-0x0000000000400000-0x0000000002DC3000-memory.dmp

    Filesize

    41.8MB

  • memory/2888-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2888-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2888-8-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2888-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2888-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB