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Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09/03/2024, 21:22

General

  • Target

    24761ed58e91089601df6c6d9e3c5a8b3cd0b2fc7cbb5ff612ab8a3499c218fc.exe

  • Size

    486KB

  • MD5

    b4f36542893c279919704e4cecab18a4

  • SHA1

    9a64584fa10222235468511afa5c412ea02dd50b

  • SHA256

    24761ed58e91089601df6c6d9e3c5a8b3cd0b2fc7cbb5ff612ab8a3499c218fc

  • SHA512

    ec503111900e82c7d05de7483f0701163cc51c13a2a46eea9ab2dccc2be7cf624a19f53b35cdd2eb7b176ccc8c4890d8c0a613b645b65f6ef0eec52aa4c476f4

  • SSDEEP

    12288:hQlc87eqqV5e+wBV6O+eGDRkR9qr7nIRjZim5:hQSqqHeVBxQ89qrreVim5

Score
7/10

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
  • 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:1180
    • C:\Users\Admin\AppData\Local\Temp\24761ed58e91089601df6c6d9e3c5a8b3cd0b2fc7cbb5ff612ab8a3499c218fc.exe
      "C:\Users\Admin\AppData\Local\Temp\24761ed58e91089601df6c6d9e3c5a8b3cd0b2fc7cbb5ff612ab8a3499c218fc.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2860
      • C:\Users\Admin\AppData\Roaming\colosort\Netphost.exe
        "C:\Users\Admin\AppData\Roaming\colosort"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1556
        • C:\Users\Admin\AppData\Local\Temp\~2CAC.tmp
          1180 497672 1556 1
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:1956
  • C:\Windows\SysWOW64\grpccopy.exe
    C:\Windows\SysWOW64\grpccopy.exe -s
    1⤵
    • Executes dropped EXE
    PID:2588

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\~2CAC.tmp

    Filesize

    8KB

    MD5

    86dc243576cf5c7445451af37631eea9

    SHA1

    99a81c47c4c02f32c0ab456bfa23c306c7a09bf9

    SHA256

    25d2a671e1b5b5b95697ac0234ce4d46e0d0894919521b54aabebd9daecf994a

    SHA512

    c7310524f9b65f811146c1eb6ae944966351ac88a95fbc1ac422d8810730e5e212a7e28090ad758ea23c96ba38073e7fcf42460575e7f09dbc759a45c5d5a4a4

  • \Users\Admin\AppData\Roaming\colosort\Netphost.exe

    Filesize

    486KB

    MD5

    28a44d69359c86afc305a874ef24271d

    SHA1

    5db33d68389415aac3b74ea3e195feaa33e014ad

    SHA256

    b5ddd9106e0d180616ae08f1cf628e6077b2bbb16d0297b04950aab5827f0f1e

    SHA512

    82955878ef39779e39a527bfdfb3e059a64c33bd0735a3e794768ba4f24bffe95f1440708b7bff58e8a909059412478adf98941ee8f3e5bf7dbbfdd72469df2a

  • memory/1180-18-0x0000000004220000-0x00000000042A9000-memory.dmp

    Filesize

    548KB

  • memory/1180-31-0x0000000002AE0000-0x0000000002AED000-memory.dmp

    Filesize

    52KB

  • memory/1180-20-0x0000000004220000-0x00000000042A9000-memory.dmp

    Filesize

    548KB

  • memory/1180-27-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

    Filesize

    24KB

  • memory/1180-22-0x0000000004220000-0x00000000042A9000-memory.dmp

    Filesize

    548KB

  • memory/1556-21-0x00000000002D0000-0x00000000002D5000-memory.dmp

    Filesize

    20KB

  • memory/1556-19-0x0000000000220000-0x00000000002A2000-memory.dmp

    Filesize

    520KB

  • memory/1556-23-0x0000000000400000-0x0000000000483000-memory.dmp

    Filesize

    524KB

  • memory/2588-26-0x0000000000400000-0x0000000000483000-memory.dmp

    Filesize

    524KB

  • memory/2588-29-0x0000000004220000-0x00000000042A9000-memory.dmp

    Filesize

    548KB

  • memory/2860-16-0x0000000000490000-0x0000000000513000-memory.dmp

    Filesize

    524KB

  • memory/2860-0-0x0000000000400000-0x0000000000483000-memory.dmp

    Filesize

    524KB

  • memory/2860-10-0x0000000000490000-0x0000000000513000-memory.dmp

    Filesize

    524KB

  • memory/2860-1-0x0000000000220000-0x00000000002A2000-memory.dmp

    Filesize

    520KB