Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/06/2024, 16:16

General

  • Target

    2024-06-11_de1228327984cf210777a2f2405e4e8e_mafia.exe

  • Size

    501KB

  • MD5

    de1228327984cf210777a2f2405e4e8e

  • SHA1

    383e60fa8760ade1f6f004460d5b4ca53e7365db

  • SHA256

    b0e3c86b8423203db490ea6cd0aafcd9fe560850d8c9fe5bec80ff4958e29924

  • SHA512

    b44ac4d77a31f2fc97808533e7428222033e7ba3720f920d684ed05edc0bbc194a39c70b1a22b9dbe936970011413100cab4076d343eac688784f77b8152b7d2

  • SSDEEP

    6144:QK1UbtpWeUoQhAxziPSkYioIxmmIMH6AvR7Ca20H+2/EfnGXkQ8dz5CnezFOHP9B:QKuHw3AxGEI/JC0h8/6Jp5k2

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-11_de1228327984cf210777a2f2405e4e8e_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-11_de1228327984cf210777a2f2405e4e8e_mafia.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2064
    • C:\Users\Admin\AppData\Local\Temp\n309\s309.exe
      "C:\Users\Admin\AppData\Local\Temp\n309\s309.exe" ins.exe /e 12738328 /h af133.api.socdn.com /u c2b30e9f-da98-11e3-8a58-80c16e6f498c /v "C:\Users\Admin\AppData\Local\Temp\2024-06-11_de1228327984cf210777a2f2405e4e8e_mafia.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:228
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 4332
      2⤵
      • Program crash
      PID:4872
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2064 -ip 2064
    1⤵
      PID:2884

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\n309\s309.exe

      Filesize

      286KB

      MD5

      3e3ab97a3be5f358ef2410034ca1d11e

      SHA1

      132b2d344871a59eea8cd45dcb289f880754de0a

      SHA256

      9343341db998236ead9f7bc0847747fb92cc90cc4709e7b6ff4c2ff6809dd1bb

      SHA512

      31cae25593341fe970dce4532449af639fb4b05a91591c1a22a8be52e2d9937439ef2a73e87cc49e636d24d3c5986a5d1954e9736046da4adbb7ac9857d9e48d

    • memory/228-11-0x00007FFB55435000-0x00007FFB55436000-memory.dmp

      Filesize

      4KB

    • memory/228-12-0x00007FFB55180000-0x00007FFB55B21000-memory.dmp

      Filesize

      9.6MB

    • memory/228-13-0x00007FFB55435000-0x00007FFB55436000-memory.dmp

      Filesize

      4KB

    • memory/228-14-0x000000001C380000-0x000000001C38A000-memory.dmp

      Filesize

      40KB

    • memory/228-17-0x000000001CCF0000-0x000000001D1BE000-memory.dmp

      Filesize

      4.8MB

    • memory/228-18-0x000000001D260000-0x000000001D2FC000-memory.dmp

      Filesize

      624KB

    • memory/228-19-0x000000001C390000-0x000000001C398000-memory.dmp

      Filesize

      32KB

    • memory/228-20-0x00007FFB55180000-0x00007FFB55B21000-memory.dmp

      Filesize

      9.6MB

    • memory/228-21-0x00007FFB55180000-0x00007FFB55B21000-memory.dmp

      Filesize

      9.6MB

    • memory/228-22-0x00007FFB55180000-0x00007FFB55B21000-memory.dmp

      Filesize

      9.6MB

    • memory/228-23-0x00007FFB55180000-0x00007FFB55B21000-memory.dmp

      Filesize

      9.6MB

    • memory/228-24-0x00000000206B0000-0x0000000020712000-memory.dmp

      Filesize

      392KB

    • memory/228-25-0x00007FFB55180000-0x00007FFB55B21000-memory.dmp

      Filesize

      9.6MB

    • memory/228-26-0x0000000021220000-0x000000002172E000-memory.dmp

      Filesize

      5.1MB

    • memory/228-27-0x00007FFB55180000-0x00007FFB55B21000-memory.dmp

      Filesize

      9.6MB

    • memory/228-29-0x00007FFB55180000-0x00007FFB55B21000-memory.dmp

      Filesize

      9.6MB