Overview

overview

7

Static

static

3

2024-04-26...re.exe

windows7-x64

7

2024-04-26...re.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26/04/2024, 16:50

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General

  • Target

    2024-04-26_8510bbf2c854dde9523c821bdadeb682_bkransomware.exe

  • Size

    262KB

  • MD5

    8510bbf2c854dde9523c821bdadeb682

  • SHA1

    7c5ffa5e442a4efc084c4821334cff80b69b4bc4

  • SHA256

    34aa354b999229c61645177533a7ea053aa55e7e08c189a7b45347b13fce457c

  • SHA512

    1c1856520df1d757a791c79474d1b8649ea615b5f7be5341c11e17658afca15feab714ba2e6062e99f022b534091a652bd88dc7f53c7305f316e596a1e87be8f

  • SSDEEP

    6144:xZ8azsKcjhCmNYmHKuQjE8EQ6rvbgwbjqxP:xC0sLj0gYojeE88Tgwnql

Score
7/10
persistencespywarestealer

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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\2024-04-26_8510bbf2c854dde9523c821bdadeb682_bkransomware.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-26_8510bbf2c854dde9523c821bdadeb682_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:2304
    • C:\Users\Admin\AppData\Local\Temp\gmhRkqcyVOi5BIp.exe
      C:\Users\Admin\AppData\Local\Temp\gmhRkqcyVOi5BIp.exe
      2⤵
      • Executes dropped EXE
      PID:2168
    • 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:1776

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\CTS.exe
          Filesize

          71KB

          MD5

          f9d4ab0a726adc9b5e4b7d7b724912f1

          SHA1

          3d42ca2098475924f70ee4a831c4f003b4682328

          SHA256

          b43be87e8586ca5e995979883468f3b3d9dc5212fbfd0b5f3341a5b7c56e0fbc

          SHA512

          22a5f0e4b2716244e978ee50771823926f86baf0382ece48fd049f039cf77b5eb0691d83c61148903cff081fdbea969f47b8ed521647717f42bbed5c64552432

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        • \Users\Admin\AppData\Local\Temp\gmhRkqcyVOi5BIp.exe
          Filesize

          191KB

          MD5

          94a363cd532d88ac33997c25657a19b5

          SHA1

          a98f1a8361d0183651c0ef457b9ac4339e429bea

          SHA256

          13b98844b2fa4a39a4d8ebb414fc79450d5ab4f0c8f5141ac06d40b2a0431ea4

          SHA512

          3b1c87a67f63e4276453ec1e322f0c13896dd0524ef35f4e4037a481ce354feaa98440f85b784c0b90a900c59ef115654f687457180ea433ea0100427f5c26f5

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