Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    23-08-2024 23:03

General

  • Target

    8966611914e4ada512b28528616ea242d44c20e3eda72e0a4d09e1458f60d352.exe

  • Size

    464KB

  • MD5

    a2c3b643b091bf2f7b0c9cc8e0f02f55

  • SHA1

    be1bf750e12e9a998f361c954e50941a631d1d4e

  • SHA256

    8966611914e4ada512b28528616ea242d44c20e3eda72e0a4d09e1458f60d352

  • SHA512

    92bb032ceb0fc4b5ca80021d83736ae4180f2bc23cb1249388c78342a28938e8b1b74e1075b4bd0a75a0f71bc3beabaae74635d58c0d9d4c0c2538bfb9ab7226

  • SSDEEP

    12288:xGlc87eqqV5e+wBV6O+Nf1EJvLIjh5XakIaPW:xGSqqHeVBxxDuFIau

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:1228
    • C:\Users\Admin\AppData\Local\Temp\8966611914e4ada512b28528616ea242d44c20e3eda72e0a4d09e1458f60d352.exe
      "C:\Users\Admin\AppData\Local\Temp\8966611914e4ada512b28528616ea242d44c20e3eda72e0a4d09e1458f60d352.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:3056
      • 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:2496
        • C:\Users\Admin\AppData\Local\Temp\~D874.tmp
          1228 475144 2496 1
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2168
  • C:\Windows\SysWOW64\netskrnl.exe
    C:\Windows\SysWOW64\netskrnl.exe -s
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2000

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\~D874.tmp

    Filesize

    8KB

    MD5

    86dc243576cf5c7445451af37631eea9

    SHA1

    99a81c47c4c02f32c0ab456bfa23c306c7a09bf9

    SHA256

    25d2a671e1b5b5b95697ac0234ce4d46e0d0894919521b54aabebd9daecf994a

    SHA512

    c7310524f9b65f811146c1eb6ae944966351ac88a95fbc1ac422d8810730e5e212a7e28090ad758ea23c96ba38073e7fcf42460575e7f09dbc759a45c5d5a4a4

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

    Filesize

    464KB

    MD5

    878066f82b736a804e816b51b6549733

    SHA1

    aad67b32a88317f944cd3115ca7ae58f034ffbff

    SHA256

    966a563456ef088ee73ea89b7edc47b33429bf2e6ede5d0419661ce94177d14f

    SHA512

    942baf8aa4235c5feb9e377a720849cdfd5554af2085d517cb4104dc96cde4c0e13d57eb850e9958f0002127aa16e97ac2ebb3ce4e9911a131bcf3f593550b2d

  • memory/1228-34-0x0000000002D00000-0x0000000002D0D000-memory.dmp

    Filesize

    52KB

  • memory/1228-33-0x00000000025E0000-0x00000000025E6000-memory.dmp

    Filesize

    24KB

  • memory/1228-24-0x0000000003EF0000-0x0000000003F74000-memory.dmp

    Filesize

    528KB

  • memory/1228-25-0x0000000003EF0000-0x0000000003F74000-memory.dmp

    Filesize

    528KB

  • memory/1228-32-0x0000000003EF0000-0x0000000003F74000-memory.dmp

    Filesize

    528KB

  • memory/2000-37-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2000-19-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2496-16-0x0000000000250000-0x0000000000255000-memory.dmp

    Filesize

    20KB

  • memory/2496-14-0x0000000000480000-0x00000000004FD000-memory.dmp

    Filesize

    500KB

  • memory/2496-12-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2496-36-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/3056-23-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/3056-1-0x0000000000480000-0x00000000004FD000-memory.dmp

    Filesize

    500KB

  • memory/3056-0-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/3056-11-0x00000000084A0000-0x000000000851A000-memory.dmp

    Filesize

    488KB