Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-09-2024 04:45

General

  • Target

    2024-09-09_82108b0716c4d0e89ce1b5a369a764bf_bkransomware.exe

  • Size

    468KB

  • MD5

    82108b0716c4d0e89ce1b5a369a764bf

  • SHA1

    7df8f114349d97c6a0f2f4f0014ef6a94996b9e3

  • SHA256

    dcadc70cd3c5fe7e1b4d1afb690cc78d5b7dd8506a050beacbf69a16903b63f3

  • SHA512

    8259b2fb74434fa32708632cd293416840d8125c4ff47ddc7e87d1fcbd7240d384f741fa2a191e0fbcde7dd9c74c37e058d1b9af906b40a128e657405dcce327

  • SSDEEP

    12288:j7aEYDcezGIEU2/rHdfFKZkYmPR/njqmKYk:j7goiCDda7Arq/Y

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Drops file in Windows directory 5 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 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 WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-09_82108b0716c4d0e89ce1b5a369a764bf_bkransomware.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-09_82108b0716c4d0e89ce1b5a369a764bf_bkransomware.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:448
    • C:\norajeqcquc\ea43z9ibivxni0dbq.exe
      "C:\norajeqcquc\ea43z9ibivxni0dbq.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4936
      • C:\norajeqcquc\rkesdpcq.exe
        "C:\norajeqcquc\rkesdpcq.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        PID:2020
  • C:\norajeqcquc\rkesdpcq.exe
    C:\norajeqcquc\rkesdpcq.exe
    1⤵
    • Executes dropped EXE
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4664
    • C:\norajeqcquc\smztxivmxlvo.exe
      ybdnbf7zyyv2 "c:\norajeqcquc\rkesdpcq.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4920

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\norajeqcquc\ea43z9ibivxni0dbq.exe

    Filesize

    468KB

    MD5

    82108b0716c4d0e89ce1b5a369a764bf

    SHA1

    7df8f114349d97c6a0f2f4f0014ef6a94996b9e3

    SHA256

    dcadc70cd3c5fe7e1b4d1afb690cc78d5b7dd8506a050beacbf69a16903b63f3

    SHA512

    8259b2fb74434fa32708632cd293416840d8125c4ff47ddc7e87d1fcbd7240d384f741fa2a191e0fbcde7dd9c74c37e058d1b9af906b40a128e657405dcce327

  • C:\norajeqcquc\s3cnhc6

    Filesize

    11B

    MD5

    8503d7211d113c23e88234c87cd8d5f1

    SHA1

    2de184f9001169fe18fd6403001dba71228252e9

    SHA256

    f41f54e8241724d962ce4ddd60bdd44ed17381a871cc4e388eeb13d121538f2d

    SHA512

    ba0406bec23995d9d71f34827b8fbbd8a959e8fd62e577c8ca83e53d86db09ea4bd5f7d0722a1f5b27b422a35d7438d2511ca2c8e991ff2db28c9fe7ed99c826