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Overview

overview

10

Static

static

b2b3244147...le.exe

windows7_x64

10

b2b3244147...le.exe

windows10_x64

10

Analysis

  • max time kernel
    148s
  • max time network
    64s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    26/07/2021, 12:58

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General

  • Target

    b2b3244147fe99552144847d8561eda14c6751e9afda58fc3039c5d11a4b44af.sample.exe

  • Size

    216KB

  • MD5

    832814b3212fd82fbced6afd72b4e8dc

  • SHA1

    be3b021f3bd5b86a3d126e1b5d7bde4ccdad6ae5

  • SHA256

    b2b3244147fe99552144847d8561eda14c6751e9afda58fc3039c5d11a4b44af

  • SHA512

    19f8db46f1095516b3300f933c9b4ea7ecc9c671ecb22eae0a6806e18daf7ad19687b610c52822e27144a6b05270e1e333ff74ea0a58175a9b17c85a016b2ff8

Score
10/10
dmalockerpersistenceransomware

Malware Config

Extracted

Path

C:\ProgramData\cryptinfo.txt

Ransom Note
Attention! ! ! All of your copies of your system have been permanently deleted and the data on all partitions and workstations have been encrypted! Stay calm. You can recover all your data by making a payment of 10 BTC (7000 GBP) in Bitcoin currency in order to receive a decryption key. In order to purchase Bitcions you can use https://coincafe.com/signup.php After buying BTC send the equivalent of 10 BTC (7000 GBP) to our BTC adress: 1DtyvLb1pDzXVoaVnJLAFzBJN6b4gcJSdR After payment contact us to receive your decryption key. In mail title write your unique ID: DMALOCK 31:74:71:30:36:43:72:21 Our e-mail: [email protected] ATTENTION! To ensure you that you can recover your data we are able to decrypt two files of your choice that are not larger than 1MB! ATTENTION! Even if your antivirus has removed our program, your data may be still recovered!
Wallets

1DtyvLb1pDzXVoaVnJLAFzBJN6b4gcJSdR

Signatures

  • DMA Locker

    Ransomware family with some advanced features, like encryption of unmapped network shares.

    ransomwaredmalocker
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b2b3244147fe99552144847d8561eda14c6751e9afda58fc3039c5d11a4b44af.sample.exe
    "C:\Users\Admin\AppData\Local\Temp\b2b3244147fe99552144847d8561eda14c6751e9afda58fc3039c5d11a4b44af.sample.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:1856
    • C:\ProgramData\svchosd.exe
      "C:\ProgramData\svchosd.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Drops file in Program Files directory
      PID:1976

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1856-60-0x00000000752B1000-0x00000000752B3000-memory.dmp

    Filesize

    8KB

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