Overview

overview

10

Static

static

HALKBANK E-EKSTRE.exe

windows7_x64

10

HALKBANK E-EKSTRE.exe

windows10-2004_x64

8

Analysis

  • max time kernel
    152s
  • max time network
    180s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220331-en
  • submitted
    11/04/2022, 17:53

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General

  • Target
    HALKBANK E-EKSTRE.exe
  • Size 243KB
  • Sample220411-wgaqaagcbk
  • SHA256 bdb2cd093592b1e41acbf2e35565f0639628b86da36b1e6d49dcf1f81b751832
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HALKBANK E-EKSTRE.exe
    "C:\Users\Admin\AppData\Local\Temp\HALKBANK E-EKSTRE.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1800
    • C:\Users\Admin\AppData\Local\Temp\idimqfqmda.exe
      C:\Users\Admin\AppData\Local\Temp\idimqfqmda.exe C:\Users\Admin\AppData\Local\Temp\fcykm
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4560
      • C:\Users\Admin\AppData\Local\Temp\idimqfqmda.exe
        C:\Users\Admin\AppData\Local\Temp\idimqfqmda.exe C:\Users\Admin\AppData\Local\Temp\fcykm
        3⤵
          PID:4820

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          294d0sb4vf4lgxv22
          • Path C:\Users\Admin\AppData\Local\Temp\294d0sb4vf4lgxv22
          • Size 214KB
          • SHA256 0b057d9d22283764ec8482be2d25321acc4787e7334c410ceb615c53fe20e99e
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          fcykm
          • Path C:\Users\Admin\AppData\Local\Temp\fcykm
          • Size 4KB
          • SHA256 d7cb5b3b87a1ee2240f04151a4f79a6653e02f9aff42670098dba5716381637a
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          idimqfqmda.exe
          • Path C:\Users\Admin\AppData\Local\Temp\idimqfqmda.exe
          • Size 6KB
          • SHA256 0e676512b0c98977ecdc5cb32de995d2e641f76245f4a08703a9c8e98c98681d
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          idimqfqmda.exe
          • Path C:\Users\Admin\AppData\Local\Temp\idimqfqmda.exe
          • Size 6KB
          • SHA256 0e676512b0c98977ecdc5cb32de995d2e641f76245f4a08703a9c8e98c98681d
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download