Overview

overview

7

Static

static

3

2024-06-02...re.exe

windows7-x64

7

2024-06-02...re.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    02/06/2024, 20:23

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General

  • Target

    2024-06-02_fa4bfe6a08fea93f4c9797d13cfeb1cb_bkransomware.exe

  • Size

    135KB

  • MD5

    fa4bfe6a08fea93f4c9797d13cfeb1cb

  • SHA1

    65607d9edba7590bacc4668e734474326ef79c71

  • SHA256

    176601461f581dd992b3084f30e5b9449d290f74e0913e6560c38aa54503133b

  • SHA512

    68e5ef24382c5e76b6bd834fe374eaebe3157b0ef59a623250f28054bb658b13562c700480050fa2362374e6316563516f24ae8b3ac0b9bfc1ad097181a4c0b3

  • SSDEEP

    3072:ZhpAyazIlyazTuX9LW5HPnLogTtT63cxyMK:hZMazKcfcgTtT6MJK

Score
7/10
persistencespywarestealer

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops file in Windows directory 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-02_fa4bfe6a08fea93f4c9797d13cfeb1cb_bkransomware.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-02_fa4bfe6a08fea93f4c9797d13cfeb1cb_bkransomware.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1440
    • C:\Users\Admin\AppData\Local\Temp\Hs4upsdhFnyPKj6.exe
      C:\Users\Admin\AppData\Local\Temp\Hs4upsdhFnyPKj6.exe
      2⤵
      • Executes dropped EXE
      PID:2272
    • C:\Windows\CTS.exe
      "C:\Windows\CTS.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2612

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\Hs4upsdhFnyPKj6.exe
          Filesize

          135KB

          MD5

          96ab32b5f5d12563b3e2efd3e6ebb73c

          SHA1

          393a653cc843da9516a8689b4833176317628005

          SHA256

          5e2316be7aad140b022d5a56cc78ccf7d3a588ce11f9ca13526c8f890f2dfec3

          SHA512

          85c526a29b21f33037a4113e730050fa30843c801d717b4806d870a13fd3108feef148f370d0118f96192d9fa59e6e1904dde8d419d1483b8764d2cf9b891ce3

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        • C:\Windows\CTS.exe
          Filesize

          71KB

          MD5

          66df4ffab62e674af2e75b163563fc0b

          SHA1

          dec8a197312e41eeb3cfef01cb2a443f0205cd6e

          SHA256

          075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163

          SHA512

          1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25

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        • \Users\Admin\AppData\Local\Temp\Hs4upsdhFnyPKj6.exe
          Filesize

          64KB

          MD5

          a32a382b8a5a906e03a83b4f3e5b7a9b

          SHA1

          11e2bdd0798761f93cce363329996af6c17ed796

          SHA256

          75f12ea2f30d9c0d872dade345f30f562e6d93847b6a509ba53beec6d0b2c346

          SHA512

          ec87dd957be21b135212454646dcabdd7ef9442cf714e2c1f6b42b81f0c3fa3b1875bde9a8b538e8a0aa2190225649c29e9ed0f25176e7659e55e422dd4efe4c

          Download Submit