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Analysis

  • max time kernel
    119s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21/09/2024, 01:44

General

  • Target

    bb405b380c623b401a5d4f6cc23b3d91ad871a76bd4dd19a6fce30f34d5f5784N.exe

  • Size

    514KB

  • MD5

    dc53d3f643ba19a1c7967cc380660640

  • SHA1

    149b6e91d5039c843903765cc4e9f4b2b334559a

  • SHA256

    bb405b380c623b401a5d4f6cc23b3d91ad871a76bd4dd19a6fce30f34d5f5784

  • SHA512

    8b03d73a7d9d99235679087d9d5f1e0c50448454d847421f4b860f57c26b2b0a6460c415dcf340a3d4bd08b5e63ef6a51199cad737e1ed215f96a883514be66f

  • SSDEEP

    12288:l/lc87eqqV5e+wBV6O+NXJzwByDZJtwuSdd8wfG68XimP:l/SqqHeVBx4XJ0kxtSPJJKimP

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:1192
    • C:\Users\Admin\AppData\Local\Temp\bb405b380c623b401a5d4f6cc23b3d91ad871a76bd4dd19a6fce30f34d5f5784N.exe
      "C:\Users\Admin\AppData\Local\Temp\bb405b380c623b401a5d4f6cc23b3d91ad871a76bd4dd19a6fce30f34d5f5784N.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2988
      • C:\Users\Admin\AppData\Roaming\MRINings\ctfmvr32.exe
        "C:\Users\Admin\AppData\Roaming\MRINings"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2544
        • C:\Users\Admin\AppData\Local\Temp\~C9F3.tmp
          1192 526856 2544 1
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2400
  • C:\Windows\SysWOW64\nets_ssp.exe
    C:\Windows\SysWOW64\nets_ssp.exe -s
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\~C9F3.tmp

    Filesize

    8KB

    MD5

    86dc243576cf5c7445451af37631eea9

    SHA1

    99a81c47c4c02f32c0ab456bfa23c306c7a09bf9

    SHA256

    25d2a671e1b5b5b95697ac0234ce4d46e0d0894919521b54aabebd9daecf994a

    SHA512

    c7310524f9b65f811146c1eb6ae944966351ac88a95fbc1ac422d8810730e5e212a7e28090ad758ea23c96ba38073e7fcf42460575e7f09dbc759a45c5d5a4a4

  • \Users\Admin\AppData\Roaming\MRINings\ctfmvr32.exe

    Filesize

    514KB

    MD5

    a56b90f2b70260ab04ceccac3db3db69

    SHA1

    aacc9ac58175bbf65a690f76f119d0379cb69063

    SHA256

    b1bbcd79841458f39ac1c48b5c460604126a975b3702156351ae073a2915eee9

    SHA512

    e4074284c1f353dfea3fc70f2682c85e264b92459e7f7c6e26903539d4731dc21658bcf6ead517b979cec2529433b33e1f7dc4ca578ed6dfbf7bf1ca308c2d05

  • memory/1192-32-0x0000000002E70000-0x0000000002E7D000-memory.dmp

    Filesize

    52KB

  • memory/1192-22-0x0000000004C30000-0x0000000004CC0000-memory.dmp

    Filesize

    576KB

  • memory/1192-23-0x0000000004C30000-0x0000000004CC0000-memory.dmp

    Filesize

    576KB

  • memory/1192-26-0x0000000004C30000-0x0000000004CC0000-memory.dmp

    Filesize

    576KB

  • memory/1192-33-0x0000000002C20000-0x0000000002C26000-memory.dmp

    Filesize

    24KB

  • memory/2544-12-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/2544-14-0x0000000000490000-0x0000000000519000-memory.dmp

    Filesize

    548KB

  • memory/2544-16-0x0000000000240000-0x0000000000245000-memory.dmp

    Filesize

    20KB

  • memory/2544-34-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/2932-25-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/2932-24-0x0000000000490000-0x0000000000519000-memory.dmp

    Filesize

    548KB

  • memory/2988-1-0x00000000002B0000-0x0000000000339000-memory.dmp

    Filesize

    548KB

  • memory/2988-10-0x00000000085F0000-0x000000000867A000-memory.dmp

    Filesize

    552KB

  • memory/2988-0-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB