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Analysis

  • max time kernel
    151s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    21/01/2025, 02:05

General

  • Target

    2025-01-21_e3a32c1ce738d32fd2833ac693d0bdb5_mafia.exe

  • Size

    13.6MB

  • MD5

    e3a32c1ce738d32fd2833ac693d0bdb5

  • SHA1

    1ecb711108d3ad9a67df2d302eef34031f53f91e

  • SHA256

    1b564e720d600b5b4ea45fe242f595c54e356da8f88c2e60c198636df27eab9a

  • SHA512

    2d810b3845c1c3b84cbe02999561c984b076aa7c40406c6594d3828b8d95f9239fca74819bc863a91bab6c221b71299d56fc4cd10cdb8e62de42e18069940525

  • SSDEEP

    49152:aqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPn:aqtYc3

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\2025-01-21_e3a32c1ce738d32fd2833ac693d0bdb5_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-21_e3a32c1ce738d32fd2833ac693d0bdb5_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3016
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lbamawjc\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2716
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\mujnayhh.exe" C:\Windows\SysWOW64\lbamawjc\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:276
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create lbamawjc binPath= "C:\Windows\SysWOW64\lbamawjc\mujnayhh.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-21_e3a32c1ce738d32fd2833ac693d0bdb5_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2760
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description lbamawjc "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2908
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start lbamawjc
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3028
    • 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:2828
  • C:\Windows\SysWOW64\lbamawjc\mujnayhh.exe
    C:\Windows\SysWOW64\lbamawjc\mujnayhh.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-21_e3a32c1ce738d32fd2833ac693d0bdb5_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2640
    • 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:1680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    11.6MB

    MD5

    da6e1db2ff3ab5370677ee0c3a3adf97

    SHA1

    c888758d6323d247b75fec2b76d84c1eaee837f4

    SHA256

    1e8c33c153302e0f4e735d10ac9d34c9618c997c96dfffb72055a44ae8afd7ee

    SHA512

    726cf837b2e55792747b42e7ca127d06979574f250cf769bf0eaa693bb00ca028875252c80cffacce930f8159f747ac0551e47a9cdc433a6b6355588cde8a65f

  • memory/1680-16-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/1680-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/1680-14-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/1680-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1680-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2640-17-0x0000000000400000-0x0000000002DC3000-memory.dmp

    Filesize

    41.8MB

  • memory/3016-1-0x0000000002E70000-0x0000000002F70000-memory.dmp

    Filesize

    1024KB

  • memory/3016-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/3016-9-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/3016-8-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/3016-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/3016-7-0x0000000000400000-0x0000000002DC3000-memory.dmp

    Filesize

    41.8MB