Overview

overview

7

Static

static

3

2024-09-03...re.exe

windows7-x64

7

2024-09-03...re.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03/09/2024, 06:29

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General

  • Target

    2024-09-03_a52bba18fd2f68abf4f5e1e4e6fa5564_bkransomware.exe

  • Size

    262KB

  • MD5

    a52bba18fd2f68abf4f5e1e4e6fa5564

  • SHA1

    5c43ea107aaad72a1091cc36992b74d33b41a652

  • SHA256

    d3d6d77ea9db8ddfc441a4feb12650a14132245adadab036ca1163aaeafc4e84

  • SHA512

    c5e335ae8144f7802138d65bd14467357aece9c3b6339464004730036901b537044658d5ffa3a34780825ab4ae190837f9e3d7edfeb73def126775a21e8bf6a8

  • SSDEEP

    3072:ZhpAyazIlyazTnXGz4oWLHEIQIlsy7/0DcFf/kSq7smTPRmQgaU4sOVRVbkU+K5o:hZMazUWLHEO0DcF8S9cPRO7OlbGg7U+K

Score
7/10
discoverypersistencespywarestealer

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
  • System Location Discovery: System Language Discovery 1 TTPs 2 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\2024-09-03_a52bba18fd2f68abf4f5e1e4e6fa5564_bkransomware.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-03_a52bba18fd2f68abf4f5e1e4e6fa5564_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:2472
    • C:\Users\Admin\AppData\Local\Temp\UGxsd66HfSid41B.exe
      C:\Users\Admin\AppData\Local\Temp\UGxsd66HfSid41B.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2916
    • 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:2352

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\UGxsd66HfSid41B.exe
    Filesize

    191KB

    MD5

    94a363cd532d88ac33997c25657a19b5

    SHA1

    a98f1a8361d0183651c0ef457b9ac4339e429bea

    SHA256

    13b98844b2fa4a39a4d8ebb414fc79450d5ab4f0c8f5141ac06d40b2a0431ea4

    SHA512

    3b1c87a67f63e4276453ec1e322f0c13896dd0524ef35f4e4037a481ce354feaa98440f85b784c0b90a900c59ef115654f687457180ea433ea0100427f5c26f5

    Download Submit