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
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 06:25

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General

  • Target

    2024-04-28_71125f0cda5a596d3317f22faf9f25e6_bkransomware.exe

  • Size

    71KB

  • MD5

    71125f0cda5a596d3317f22faf9f25e6

  • SHA1

    6cc3a6fbc26224645185de54ef6cbabb18cf0447

  • SHA256

    2bafabf4ec6f842aa84449d36bded81d695d710b3c541d1aa6316bd449de9ceb

  • SHA512

    8267b1d96affdc8f2dd8607e8c29cdd923fb86280fa1418e672990d5f96a16988f0f1bcbe6331ba73a822bec15c56639c0b9acae79438ba9c8b8ce0045208d72

  • SSDEEP

    1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTL:ZhpAyazIlyazTL

Score
7/10
persistencespywarestealer

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
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-04-28_71125f0cda5a596d3317f22faf9f25e6_bkransomware.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-28_71125f0cda5a596d3317f22faf9f25e6_bkransomware.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2264
    • 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:2196

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:\Users\Admin\AppData\Local\Temp\5HSQQN6QNGCk5rS.exe
    Filesize

    71KB

    MD5

    414b177819d045d0c7cfda0c6abb99f7

    SHA1

    1bf4f9e0e4e11b88767b8712dfbc621ce20b70dd

    SHA256

    a6965b06673f2373a3adbbfaa9cb4f1f7cb94782ec73b88e18158dab3cc2b95a

    SHA512

    60ee21955918a981a754326ac0376a0cedc585f5df295b564cc9aa70f6d684db9291b8c58d252623463e11c16a11dd807f73bbd17289b5c519c225ddd79f1ab5

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  • C:\Windows\CTS.exe
    Filesize

    71KB

    MD5

    66df4ffab62e674af2e75b163563fc0b

    SHA1

    dec8a197312e41eeb3cfef01cb2a443f0205cd6e

    SHA256

    075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163

    SHA512

    1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25

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