Overview

overview

7

Static

static

3

2024-09-27...re.exe

windows7-x64

7

2024-09-27...re.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27/09/2024, 14:30

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General

  • Target

    2024-09-27_549c9aab07ec05bd3058050b047c269d_bkransomware.exe

  • Size

    649KB

  • MD5

    549c9aab07ec05bd3058050b047c269d

  • SHA1

    983ab2b5e70f4585ef2a5e008fac232c9baa4865

  • SHA256

    022d348a2d96ba6efe72cf4023e5fa5db962d03427fdde37ab57183cab71ac6e

  • SHA512

    6ed8fddd164040e23fe514f80d0d15e5d0ecd63e51909a76bee25a6531d608505c593e113972441f3c84df78b2618511d141b1bb31e63e4b0b2c32d8751f3de2

  • SSDEEP

    12288:hS0KVyPjSH4lGf8pHWwb7oeHUrgDpj1NCb+DJfzqMTBikRqXdIn+zUHn3:DKVyP6fRw/crgDlDTDZ86n+ze3

Score
7/10
discoverypersistencespywarestealer

Malware Config

Signatures

  • Executes dropped EXE 1 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-27_549c9aab07ec05bd3058050b047c269d_bkransomware.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-27_549c9aab07ec05bd3058050b047c269d_bkransomware.exe"
    1⤵
    • 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:1868
    • 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:2432

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\cMkbZFsXbu2Cc91.exe
          Filesize

          649KB

          MD5

          1bc4314a0130e56e119287c7aad6193a

          SHA1

          dfdb2e29c75660c31afa5ebfe1fef83af02e6060

          SHA256

          970043d0c32cae09b1c1ef38720e844a80f821862ddfce0e30ca91340d412f60

          SHA512

          94a8894f512cbe2b0e87e5b37b8233d65ae982738dc0fa01bf3f447cc18c9b81380bcc306c4ac71a7ac01e1c72cf4929c1100ac8ee82f8166b89ec04afc09114

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        • C:\Windows\CTS.exe
          Filesize

          71KB

          MD5

          66df4ffab62e674af2e75b163563fc0b

          SHA1

          dec8a197312e41eeb3cfef01cb2a443f0205cd6e

          SHA256

          075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163

          SHA512

          1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25

          Download Submit