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
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 10:01

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General

  • Target

    2024-04-28_3f40fe73a4a906713575402197a1f406_bkransomware.exe

  • Size

    71KB

  • MD5

    3f40fe73a4a906713575402197a1f406

  • SHA1

    534351c6b1be94c3985d47d4370eb903540c0d1b

  • SHA256

    cc5ec141323ab88cd532d4e0f46c7b583c21b716fc68bbbed62aaec34a1b54e7

  • SHA512

    13a6f289dcd0156aa6db88818eb46c388261965e3df856a990c98b02aea3c7e7c4bff9ee4d962ec9c267c54e04b1535bec5f65b2b5d8c8f7c687827ca06165c8

  • SSDEEP

    1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTq:ZRpAyazIliazTq

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_3f40fe73a4a906713575402197a1f406_bkransomware.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-28_3f40fe73a4a906713575402197a1f406_bkransomware.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2012
    • 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:2020

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\mdirIJPt63TOkoT.exe
    Filesize

    71KB

    MD5

    4a71a643b9499b94d5c842356459126c

    SHA1

    79253420334a48bb8fb24da20e2e8ef5fcfc1e67

    SHA256

    b824961e3ec60ab770187ed0837aa56bf8aa1c79ecc098a11acd109aa703e9ac

    SHA512

    e0744b04d57ee1354ab87b580f66b26206de3b71a23785b7ad83f31208126f3e26604ac9520290b2a2ecd1dc992b75c95e1720bebdd686b51098517c405c23b5

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  • C:\Windows\CTS.exe
    Filesize

    71KB

    MD5

    f9d4ab0a726adc9b5e4b7d7b724912f1

    SHA1

    3d42ca2098475924f70ee4a831c4f003b4682328

    SHA256

    b43be87e8586ca5e995979883468f3b3d9dc5212fbfd0b5f3341a5b7c56e0fbc

    SHA512

    22a5f0e4b2716244e978ee50771823926f86baf0382ece48fd049f039cf77b5eb0691d83c61148903cff081fdbea969f47b8ed521647717f42bbed5c64552432

    Download Submit