Overview

overview

7

Static

static

3

2024-08-10...re.exe

windows7-x64

7

2024-08-10...re.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    10/08/2024, 03:51

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General

  • Target

    2024-08-10_3035ed74ccc4f6a37748585e5bea5320_bkransomware.exe

  • Size

    205KB

  • MD5

    3035ed74ccc4f6a37748585e5bea5320

  • SHA1

    6482ee7607a9ef37331cf7826b95987cfe50c0eb

  • SHA256

    bedcf73a60297f5f3d95078b6ab588cb90d06d75d358eb87b0b03c3bb46ece0d

  • SHA512

    59a5fba73daffe81df67e041fab9050884076b40bc8efe784d719fe9850b2c22e5df4f5f964458a403778eb54ee2edb81feb7b7cb6b10676f047d790d9308af0

  • SSDEEP

    3072:ZhpAyazIlyazTDqxOKRJXpbA99y6wfIHCvnDffQS/R4++i0W:hZMaz7KRJXpbAfB3CUG++R

Score
7/10
discoverypersistencespywarestealer

Malware Config

Signatures

  • Executes dropped EXE 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 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\2024-08-10_3035ed74ccc4f6a37748585e5bea5320_bkransomware.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-10_3035ed74ccc4f6a37748585e5bea5320_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:2948
    • 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:3064

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\5ihy9TLaGvoXSe4.exe
          Filesize

          205KB

          MD5

          33d1c3a907e440c5beabb49b40ecba94

          SHA1

          9325616389ac878e03dd9764fc1106745d762fd1

          SHA256

          bf883e2d6ff78980018a2985a5c72729ca02cf8c163c06846039ba52c1e731bd

          SHA512

          5375fc1dd5a5fde54803b47607bc6222ff212ee048e3e1b73674101a438ed548541d06f2f934e2dfcdbd45cf5e195ef18d15d9d40834abfda7cd05c75b3c5c07

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        • C:\Windows\CTS.exe
          Filesize

          71KB

          MD5

          66df4ffab62e674af2e75b163563fc0b

          SHA1

          dec8a197312e41eeb3cfef01cb2a443f0205cd6e

          SHA256

          075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163

          SHA512

          1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25

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