Overview

overview

10

Static

static

10

5eae13527d...in.exe

windows7_x64

10

5eae13527d...in.exe

windows10_x64

10

Analysis

  • max time kernel
    15s
  • max time network
    115s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    12-05-2021 17:01

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General

  • Target

    5eae13527d4e39059025c3e56dad966cf67476fe7830090e40c14d0a4046adf0.bin.exe

  • Size

    94KB

  • MD5

    0bc638d8c24a8dbd1c17bca989281624

  • SHA1

    ce70c7d8c9c868a675d4002342af8d55e3053363

  • SHA256

    5eae13527d4e39059025c3e56dad966cf67476fe7830090e40c14d0a4046adf0

  • SHA512

    c1c64f60bcc578916469be59b451f13289a3a5e5431de52d335b5824e3b7cb18b2fe9ee6ea1924282974bd1eeb9ad85c1f37c34fc78f9b7a52ba98e454683450

Score
10/10
mountlockerransomwarespywarestealer

Malware Config

Signatures

  • MountLocker Ransomware

    Ransomware family first seen in late 2020, which threatens to leak files if ransom is not paid.

    ransomwaremountlocker
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies extensions of user files 10 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Interacts with shadow copies 2 TTPs 1 IoCs

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

    ransomware
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\5eae13527d4e39059025c3e56dad966cf67476fe7830090e40c14d0a4046adf0.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\5eae13527d4e39059025c3e56dad966cf67476fe7830090e40c14d0a4046adf0.bin.exe"
    1⤵
    • Modifies extensions of user files
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe delete shadows /all /Quiet
      2⤵
      • Interacts with shadow copies
      PID:652
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\\0F744730.bat" "C:\Users\Admin\AppData\Local\Temp\5eae13527d4e39059025c3e56dad966cf67476fe7830090e40c14d0a4046adf0.bin.exe""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3748
      • C:\Windows\system32\attrib.exe
        attrib -s -r -h "C:\Users\Admin\AppData\Local\Temp\5eae13527d4e39059025c3e56dad966cf67476fe7830090e40c14d0a4046adf0.bin.exe"
        3⤵
        • Views/modifies file attributes
        PID:936
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3112

Network

MITRE ATT&CK Enterprise v6

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\0F744730.bat
    MD5

    348cae913e496198548854f5ff2f6d1e

    SHA1

    a07655b9020205bd47084afd62a8bb22b48c0cdc

    SHA256

    c80128f51871eec3ae2057989a025ce244277c1c180498a5aaef45d5214b8506

    SHA512

    799796736d41d3fcb5a7c859571bb025ca2d062c4b86e078302be68c1a932ed4f78e003640df5405274364b5a9a9c0ba5e37177997683ee7ab54e5267590b611

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  • memory/652-114-0x0000000000000000-mapping.dmp

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  • memory/936-117-0x0000000000000000-mapping.dmp

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  • memory/3748-115-0x0000000000000000-mapping.dmp

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