Overview

overview

7

Static

static

3

2024-08-26...re.exe

windows7-x64

7

2024-08-26...re.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    26/08/2024, 07:55

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General

  • Target

    2024-08-26_1bdadbb61fe960651195f9e0d4e8363c_bkransomware.exe

  • Size

    288KB

  • MD5

    1bdadbb61fe960651195f9e0d4e8363c

  • SHA1

    137d3babc2be6f19bb287248e5b637d901b5672d

  • SHA256

    aed40c20309df5e22b85b3a77fb171bb8ca3a453fbae0b1bb566a89671311b29

  • SHA512

    5764161110d23c2d5bb5e6a45b66d7d9807dfc0bd0a3fdfcbf09a749b2e397bc6fc6995a00de11ab19d457caf25a21310e4e1d80219c4194b037cde41270101e

  • SSDEEP

    6144:hZMazTuETO8WEPRwjR6mWeIXi2iQz2WBcbn9Z:hS0KEK8TPRwN6mWeIwQ60c/

Score
7/10
discoverypersistencespywarestealer

Malware Config

Signatures

  • Executes dropped EXE 3 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 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\2024-08-26_1bdadbb61fe960651195f9e0d4e8363c_bkransomware.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-26_1bdadbb61fe960651195f9e0d4e8363c_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:2688
    • C:\Users\Admin\AppData\Local\Temp\LXtU4Uk6kKUfdTB.exe
      C:\Users\Admin\AppData\Local\Temp\LXtU4Uk6kKUfdTB.exe
      2⤵
      • Executes dropped EXE
      PID:2736
    • 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:2772

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\LXtU4Uk6kKUfdTB.exe
          Filesize

          217KB

          MD5

          f8a38fd27da720881c0af1ac99b8c1ad

          SHA1

          2ed31938119e2ebdeb0f5539c985e9965aef72d7

          SHA256

          b2e32b3fa44b3a9a8fdfa906627355f6f48b4821929f9bce5ded2d07894361d4

          SHA512

          aafa05bc5bd68687b998fe4d9a619caecc65d14f317af7a05ac0ecab7e231891e8719029245dc84eddce20bdd4c0cc6f4ffafdf8200227746b28cc6628564495

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        • C:\Windows\CTS.exe
          Filesize

          71KB

          MD5

          66df4ffab62e674af2e75b163563fc0b

          SHA1

          dec8a197312e41eeb3cfef01cb2a443f0205cd6e

          SHA256

          075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163

          SHA512

          1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25

          Download Submit