Resubmissions

12/06/2024, 22:11

240612-135j1asekc 10

12/06/2024, 20:56

240612-zq6qvstekp 10

28/05/2024, 13:15

240528-qg9aysfh38 10

27/05/2024, 20:52

240527-zn2dcshf8x 10

Analysis

  • max time kernel
    191s
  • max time network
    213s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/05/2024, 13:15

General

  • Target

    2TXt7S.exe

  • Size

    326KB

  • MD5

    21413e789eea9d581d047df32fad7fa7

  • SHA1

    c361103da37aff0216281781dff09fa5c079864b

  • SHA256

    7bc87a26137cc07cabf31e6e4bcd0e514846b5dd727a29132919f2e6b317cde8

  • SHA512

    cd6bd0f43b0385a392395add3108134d8aeb62cea3ed470ddfeea66ac096cc6de5e85bc2dda3798a13437ae4b6c38580a3b2e24143db1835c88d268b2ec570c4

  • SSDEEP

    6144:fXqpIW/yostkBUPSuLWT9Dj4IByRuE3AzJNxRGI20JE:/q2W/7+kBuqjKuE6NxAn0JE

Malware Config

Signatures

  • PLAY Ransomware, PlayCrypt

    Ransomware family first seen in mid 2022.

  • Renames multiple (7299) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops desktop.ini file(s) 29 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Program crash 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2TXt7S.exe
    "C:\Users\Admin\AppData\Local\Temp\2TXt7S.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Drops file in Program Files directory
    PID:1708
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 40144
      2⤵
      • Program crash
      PID:38944
  • C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\ReadMe.txt
    1⤵
    • Opens file in notepad (likely ransom note)
    PID:50784
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1708 -ip 1708
    1⤵
      PID:66068
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:66300

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\$Recycle.Bin\S-1-5-21-540404634-651139247-2967210625-1000\desktop.ini

        Filesize

        1KB

        MD5

        51593dc34ed5202ef371a808084edba7

        SHA1

        53a04d88afbebe874c7c7200b6bc584836fb782a

        SHA256

        eff5a5023a2ab625ea35260b22bea6c410b5240c24a01516b3e178ca8a7ae6c0

        SHA512

        5dfdd1b6586cc9ac3923d69c9c086d0925bfd473d8c8927071509b7fd7ecd491a8c18c7cbd9b5bcf7e130c71db4cbc503865a4bc0f3cf0c317b7651d4b3ca41b

      • C:\ReadMe.txt

        Filesize

        188B

        MD5

        5980ca63cad3b0b5ff0917c6f50830b3

        SHA1

        650f26c75564172626c0c0bc7cabdd1166d7e3ba

        SHA256

        6373e979e7d40b945fb6f735b5e2f9253ba58d2bcff4415a1907618936875d7d

        SHA512

        8191c370c99824db06e71a3772372881cdaf2a91ef9dbaefd5901fa4b75a63cf55365df3460a6f1e4f8f255c739e16e60035bb78bd42705d5653090bceaf9fe0

      • memory/1708-0-0x00000000010C0000-0x00000000010EC000-memory.dmp

        Filesize

        176KB