Overview

overview

7

Static

static

3

2024-04-28...re.exe

windows7-x64

7

2024-04-28...re.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 18:04

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General

  • Target

    2024-04-28_60c56068a4bee7040b5a06eee6524e91_bkransomware.exe

  • Size

    395KB

  • MD5

    60c56068a4bee7040b5a06eee6524e91

  • SHA1

    5a1f76e9ee4300633dd642e5baf07087667d3257

  • SHA256

    02668fff04a066d70fbf83e5c0852bfc9a072fa97ac2d1f0c0115decc9b61421

  • SHA512

    692a57d0b12c7411ed06ade98542d80ca3e7458f59a2bc8d43a00bf85af91d5d3703c4aff014dd4abb45c08b89c61ab29085fa5daa0071e8294c9b811fe265cc

  • SSDEEP

    6144:hZMaz25RVcAnVQJXkTx3w/UzImcFBUm2WpTNDjsNBxxGGafe:hS02XV3skNA/ajcF2mlN3sN09G

Score
7/10
persistencespywarestealer

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-04-28_60c56068a4bee7040b5a06eee6524e91_bkransomware.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-28_60c56068a4bee7040b5a06eee6524e91_bkransomware.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1620
    • C:\Users\Admin\AppData\Local\Temp\69JzvhvNPZ87SHB.exe
      C:\Users\Admin\AppData\Local\Temp\69JzvhvNPZ87SHB.exe
      2⤵
      • Executes dropped EXE
      PID:1864
    • 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:2832

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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\69JzvhvNPZ87SHB.exe
    Filesize

    324KB

    MD5

    7187ae605f4dce14bb23ea2623956335

    SHA1

    f7c1df33b875c98f41dcde24117d89d42d25b7ce

    SHA256

    9e2631c19b243c28b0980607ced2540e9447b1166572483475547c1a9dd4ac0e

    SHA512

    f64522e2fb6bb61884fe53c34e79b355efb9ec33c02b2cd67d729af7d763e7b3873a5c7ce6ac7bb4567e6bcf8c70cadbc66f511e8bb151ab05096a832032bc8f

    Download Submit