Overview

overview

10

Static

static

10

187610fb06...in.exe

windows7_x64

10

187610fb06...in.exe

windows10_x64

10

Analysis

  • max time kernel
    138s
  • max time network
    140s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    12-05-2021 16:59

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General

  • Target

    187610fb06cc60c73c0062b593c5fe3ba29e0436e396969feb9ed25391ff7e8b.bin.exe

  • Size

    47KB

  • MD5

    4caacde2df87777bca7860018f37edec

  • SHA1

    ef99230e52d5f56a3681bf3155fe7c4b56baeb84

  • SHA256

    187610fb06cc60c73c0062b593c5fe3ba29e0436e396969feb9ed25391ff7e8b

  • SHA512

    315f67986a0c5cc9ac2275f757671982dff7f3edc8be1d1a25920c5a481a089face523cbbf333d9edcf3838d73e08bfa12aae8318a9256c1c468c55a12482fab

Score
10/10
mountlockerransomware

Malware Config

Signatures

  • MountLocker Ransomware

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

    ransomwaremountlocker
  • Modifies extensions of user files 9 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Drops desktop.ini file(s) 24 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\187610fb06cc60c73c0062b593c5fe3ba29e0436e396969feb9ed25391ff7e8b.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\187610fb06cc60c73c0062b593c5fe3ba29e0436e396969feb9ed25391ff7e8b.bin.exe"
    1⤵
    • Modifies extensions of user files
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\\0F743D6C.bat" "C:\Users\Admin\AppData\Local\Temp\187610fb06cc60c73c0062b593c5fe3ba29e0436e396969feb9ed25391ff7e8b.bin.exe""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3992
      • C:\Windows\system32\attrib.exe
        attrib -s -r -h "C:\Users\Admin\AppData\Local\Temp\187610fb06cc60c73c0062b593c5fe3ba29e0436e396969feb9ed25391ff7e8b.bin.exe"
        3⤵
        • Views/modifies file attributes
        PID:196

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\0F743D6C.bat
    MD5

    348cae913e496198548854f5ff2f6d1e

    SHA1

    a07655b9020205bd47084afd62a8bb22b48c0cdc

    SHA256

    c80128f51871eec3ae2057989a025ce244277c1c180498a5aaef45d5214b8506

    SHA512

    799796736d41d3fcb5a7c859571bb025ca2d062c4b86e078302be68c1a932ed4f78e003640df5405274364b5a9a9c0ba5e37177997683ee7ab54e5267590b611

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  • memory/196-116-0x0000000000000000-mapping.dmp

    Download

  • memory/3992-114-0x0000000000000000-mapping.dmp

    Download