Overview

overview

10

Static

static

1

liketesc.exe

windows7-x64

10

liketesc.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    165s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-03-2023 04:46

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General

  • Target

    liketesc.exe

  • Size

    92KB

  • MD5

    2bbb2d9be1a993a8dfef0dd719c589a0

  • SHA1

    c03d6401902a7b07ac88dbde7f93c6cc74e57221

  • SHA256

    bf20b92755cd5c2542cdcef804ee795932cc4b0e070ca6b81ff8fd30908a8f97

  • SHA512

    b810d0b4b775afbc7d69e7159363d9778b6d22bd7cdc0271dac595500ed3243aadae47b060ba55374c27b6c00137bdc3c2277ecef9b18242a0d62c15e0941343

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4AecO0xq0j9OnjXZFekIaOaUBRUpkqa:Qw+asqN5aW/hLUcJc0jQjJ7Oa1Gq

Score
10/10
dharmapersistenceransomwarespywarestealer

Malware Config

Signatures

  • Dharma

    Dharma is a ransomware that uses security software installation to hide malicious activities.

    ransomwaredharma
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Drops startup file 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 1 IoCs
    persistence
  • Drops desktop.ini file(s) 3 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\liketesc.exe
    "C:\Users\Admin\AppData\Local\Temp\liketesc.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:840
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1352
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:4296
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2716
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4064

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Privilege Escalation

    Defense Evasion

    File Deletion

    2
    T1107

    Modify Registry

    1
    T1112

    Credential Access

    Credentials in Files

    1
    T1081

    Discovery

    Lateral Movement

    Collection

    Data from Local System

    1
    T1005

    Exfiltration

    Command and Control

    Impact

    Inhibit System Recovery

    2
    T1490

    Replay Monitor

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    Downloads

    • C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe.id-83495B89.[help@decrypt-files.info].like
      Filesize

      2.9MB

      MD5

      fed8fac267c6c0b533b1b9716a48f719

      SHA1

      046bf827e8aa4071c34cd02299def79021bbb630

      SHA256

      ff81a4e2e105219c4034c333fc37448e62264176f5b38a9038e0d81ebab2ae07

      SHA512

      0ca3c22be979bc98b96ae4ac009cb0305bd93c0a2799f76af85ca8e73bd0efe5773b581a68e553488e08a96d5f9cdf716b73ad846d7d3b1c130617b054a36624

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