Analysis

  • max time kernel
    144s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-01-2025 17:58

General

  • Target

    2025-01-08_a2f263c7ea7a11fe1ecec9cecacf698d_mafia.exe

  • Size

    14.4MB

  • MD5

    a2f263c7ea7a11fe1ecec9cecacf698d

  • SHA1

    0adcbbbd30f5ea94918eee97e627f24e91c1f73c

  • SHA256

    61d9c1885355be993ab6b6339bfa3825b39615801e1ce69a67d94b912bf1c1a2

  • SHA512

    5315c28eb24191f8d0d815987e96daa3793c7ec71799a2f44bec6d30bc7d5d926f025b7086f6482627a01cf8f1b640561f351fde9489a2b3f5ae64de9d87bcde

  • SSDEEP

    49152:PqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPn:PqtYc3

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\2025-01-08_a2f263c7ea7a11fe1ecec9cecacf698d_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-08_a2f263c7ea7a11fe1ecec9cecacf698d_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2700
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jqbehqmw\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2692
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zqmtkjnr.exe" C:\Windows\SysWOW64\jqbehqmw\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2916
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create jqbehqmw binPath= "C:\Windows\SysWOW64\jqbehqmw\zqmtkjnr.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-08_a2f263c7ea7a11fe1ecec9cecacf698d_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2868
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description jqbehqmw "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2708
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start jqbehqmw
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2716
    • 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:2604
  • C:\Windows\SysWOW64\jqbehqmw\zqmtkjnr.exe
    C:\Windows\SysWOW64\jqbehqmw\zqmtkjnr.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-08_a2f263c7ea7a11fe1ecec9cecacf698d_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2552
    • 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:3028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    12.7MB

    MD5

    5d724bae2123a62b760f822e2ec31aca

    SHA1

    0ef87feda2c7a82422d8d0f6e532f7dcb6626419

    SHA256

    c19cb57c9b1b07d9fce3b91c332897c54fc4587a6a35cfcf1dad7a472359994b

    SHA512

    4cf6fc1000cc7b2156ecdbd257537df77cfece6b5d0abd629260a6f265e8b042f5ea800270c6c4ad92536c4ef2fdd90e65744abe946bd313cfbcfb19ed828192

  • memory/2552-17-0x0000000000400000-0x0000000002DC3000-memory.dmp

    Filesize

    41.8MB

  • memory/2700-7-0x0000000000400000-0x0000000002DC3000-memory.dmp

    Filesize

    41.8MB

  • memory/2700-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2700-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2700-8-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2700-9-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2700-1-0x0000000002E80000-0x0000000002F80000-memory.dmp

    Filesize

    1024KB

  • memory/3028-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/3028-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3028-14-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/3028-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/3028-16-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB