Overview

overview

7

Static

static

3

2024-10-04...re.exe

windows7-x64

7

2024-10-04...re.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04/10/2024, 15:26

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General

  • Target

    2024-10-04_3de038aa04235403167cde0f8d5812c2_bkransomware.exe

  • Size

    96KB

  • MD5

    3de038aa04235403167cde0f8d5812c2

  • SHA1

    542e20f52fff41ea9f72ca9cb30f8c1b6dfcbdea

  • SHA256

    4b6ec354e2b5762b42fbd692a2126e1f6a3a216cd5c1a32df7ca377d59acabf7

  • SHA512

    98fb300a6b6fbf2e20388c76c8c488e9dd0f0c3f201a5ae50544b8fc2e879275b6774f07320bb32628e9937d57bc56a7523308ae580b6976ae5085407c11c89b

  • SSDEEP

    1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTdtDBL4W+fD9BylXc9Ftj25LjdBTZX:ZhpAyazIlyazTdovDj+4sBF

Score
7/10
discoverypersistencespywarestealer

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 3 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
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-04_3de038aa04235403167cde0f8d5812c2_bkransomware.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-04_3de038aa04235403167cde0f8d5812c2_bkransomware.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2948
    • C:\Users\Admin\AppData\Local\Temp\WqXsE25oCKDRb45.exe
      C:\Users\Admin\AppData\Local\Temp\WqXsE25oCKDRb45.exe
      2⤵
      • Executes dropped EXE
      PID:1372
    • 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:2952

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\CTS.exe
          Filesize

          71KB

          MD5

          66df4ffab62e674af2e75b163563fc0b

          SHA1

          dec8a197312e41eeb3cfef01cb2a443f0205cd6e

          SHA256

          075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163

          SHA512

          1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25

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        • \Users\Admin\AppData\Local\Temp\WqXsE25oCKDRb45.exe
          Filesize

          25KB

          MD5

          abbd49c180a2f8703f6306d6fa731fdc

          SHA1

          d63f4bfe7f74936b2fbace803e3da6103fbf6586

          SHA256

          5f411c0bd9ed9a42b0f07ed568c7d0cf358a83063b225a1f8f7da3296dde90f1

          SHA512

          290dd984acc451b778f3db8c510bae7aec1d9547c3ad0a1829df731c136e4ecc9a37dc6a786cf8f1ecc4d14339aed1288af25055f450f6f953138c8d4d5c36e9

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        • memory/1372-15-0x0000000000400000-0x000000000040D000-memory.dmp

          Filesize

          52KB

          Download