Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2024 16:34

General

  • Target

    e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8N.exe

  • Size

    200KB

  • MD5

    d6d213eccc1b10a9b47f8378e73f1da0

  • SHA1

    3bc7b77bbd7a128b3321087b3d4e8e79286fb53a

  • SHA256

    e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8

  • SHA512

    c2322b3fdb496ccbf8d010d83b16116862a9a110f4d39cae0eb736a237de2d805706ea000149db96795048d9ccd8dc7966c0908c752422dfa082d3e1f825c916

  • SSDEEP

    3072:vzNApH86O2S8xwpGuJdi4pPzGhtdbyuo1HHQNOgXD9zY5f2luxvSwSP7JKt6p:vzfGuWJBeuKHwAgXDNgf2luxvS/Dwt6p

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

VítimasDoMurkizin

C2

qualquernome.no-ip.org:3333

Mutex

a01dc1a702d6056e8de0f390892b3171

Attributes
  • reg_key

    a01dc1a702d6056e8de0f390892b3171

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8N.exe
    "C:\Users\Admin\AppData\Local\Temp\e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3336
    • C:\Users\Admin\AppData\Local\Temp\e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8N.exe
      C:\Users\Admin\AppData\Local\Temp\e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8N.exe
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4188
      • C:\Users\Admin\AppData\Local\Temp\Internet.exe
        "C:\Users\Admin\AppData\Local\Temp\Internet.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4784
        • C:\Users\Admin\AppData\Local\Temp\Internet.exe
          C:\Users\Admin\AppData\Local\Temp\Internet.exe
          4⤵
            PID:4132

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8N.exe.log

      Filesize

      418B

      MD5

      9bfb3fa172608c10ede6520ae6fa093e

      SHA1

      706dc6cf742d0e205a25912b28ab3dd350013736

      SHA256

      17a7869e3c7f22e4a8613f84eeee337889902d2e8afcc9021f14bac17a58be02

      SHA512

      98408639592682efa38c4316cb7205532f5292f96626dd94b2e772c03f5b143cd51a7a1394c94ddfe85c43266e7e87e560518d84bb9ce612889b4615707f8c3e

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

      Filesize

      200KB

      MD5

      d6d213eccc1b10a9b47f8378e73f1da0

      SHA1

      3bc7b77bbd7a128b3321087b3d4e8e79286fb53a

      SHA256

      e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8

      SHA512

      c2322b3fdb496ccbf8d010d83b16116862a9a110f4d39cae0eb736a237de2d805706ea000149db96795048d9ccd8dc7966c0908c752422dfa082d3e1f825c916

    • memory/3336-23-0x00000000745E0000-0x0000000074D90000-memory.dmp

      Filesize

      7.7MB

    • memory/3336-2-0x0000000003110000-0x0000000003126000-memory.dmp

      Filesize

      88KB

    • memory/3336-4-0x0000000008180000-0x0000000008724000-memory.dmp

      Filesize

      5.6MB

    • memory/3336-5-0x0000000007BD0000-0x0000000007C6C000-memory.dmp

      Filesize

      624KB

    • memory/3336-6-0x0000000003070000-0x000000000307A000-memory.dmp

      Filesize

      40KB

    • memory/3336-1-0x0000000000CA0000-0x0000000000CB4000-memory.dmp

      Filesize

      80KB

    • memory/3336-21-0x00000000745E0000-0x0000000074D90000-memory.dmp

      Filesize

      7.7MB

    • memory/3336-22-0x00000000745E0000-0x0000000074D90000-memory.dmp

      Filesize

      7.7MB

    • memory/3336-0-0x00000000745EE000-0x00000000745EF000-memory.dmp

      Filesize

      4KB

    • memory/3336-3-0x00000000745E0000-0x0000000074D90000-memory.dmp

      Filesize

      7.7MB

    • memory/4188-24-0x00000000745E0000-0x0000000074D90000-memory.dmp

      Filesize

      7.7MB

    • memory/4188-18-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/4188-37-0x00000000745E0000-0x0000000074D90000-memory.dmp

      Filesize

      7.7MB

    • memory/4784-38-0x00000000745E0000-0x0000000074D90000-memory.dmp

      Filesize

      7.7MB

    • memory/4784-40-0x00000000745E0000-0x0000000074D90000-memory.dmp

      Filesize

      7.7MB

    • memory/4784-39-0x00000000011B0000-0x00000000011C6000-memory.dmp

      Filesize

      88KB

    • memory/4784-47-0x00000000745E0000-0x0000000074D90000-memory.dmp

      Filesize

      7.7MB

    • memory/4784-46-0x00000000745E0000-0x0000000074D90000-memory.dmp

      Filesize

      7.7MB