Overview

overview

10

Static

static

10

2024-10-06...de.exe

windows7-x64

10

2024-10-06...de.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    06-10-2024 04:57

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General

  • Target

    2024-10-06_e09dd7cca0c6c147ba21b4062e723c5b_darkside.exe

  • Size

    146KB

  • MD5

    e09dd7cca0c6c147ba21b4062e723c5b

  • SHA1

    ff6333bdda824e4c13bcd13351bd4bb14aaeab11

  • SHA256

    d9938ac4346d03a07f8ce8b57436e75ba5e936372b9bfd0386f18f6d56902c88

  • SHA512

    603f45dc0b3302739ef6e4727572ecf64cf6f65c80af1e05aa3795fc9ce36849cf0f465bbf8a9f116c8fb3da8d91998ec5582b24503f4f43764e7b3543a94c4e

  • SSDEEP

    3072:yqJogYkcSNm9V7DNDgSKet5JXglKso1WT:yq2kc4m9tDjlrJX3so

Score
10/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Extracted

Path

C:\fB1SZ2i3X.README.txt

Ransom Note
>>>> Your data are stolen and encrypted! >>>> Sensitive data on your system was DOWNLOADED and it will be PUBLISHED if you refuse to cooperate. Your competitors or law enforcement may get them on the web. Data includes: - Employees personal data, CVs, DL, SSN. - Complete network map including credentials for local and remote services. - Financial information including clients data, bills, budgets, annual reports, bank statements. - Complete datagrams/schemas/drawings for manufacturing in solidworks format - And more... You can request the tree of files that we have. >>>> You need contact us and decrypt one file for free, send a small file for test decryption with your personal DECRYPTION ID to tox chat: >>>> Your personal DECRYPTION ID: 7FBC34A4128F7B758BE867DB7880E1B9 1)Download and install TOX chat: https://tox.chat 2)Write to this tox id: DED25DCB2AAAF65A05BEA584A0D1BB1D55DD2D8BB4185FA39B5175C60C8DDD0C0A7F8A8EC815 and wait for the answer, we will always answer you. >>>> DO NOT MODIFY FILES YOURSELF. >>>> DO NOT USE THIRD PARTY SOFTWARE TO RESTORE YOUR DATA. >>>> YOU MAY DAMAGE YOUR FILES, IT WILL RESULT IN PERMANENT DATA LOSS. >>>> YOUR DATA IS STRONGLY ENCRYPTED, YOU CAN NOT DECRYPT IT WITHOUT CIPHER KEY.
URLs

https://tox.chat

Signatures

  • Renames multiple (337) files with added filename extension

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

    ransomware
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Drops desktop.ini file(s) 2 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

    defense_evasion
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-06_e09dd7cca0c6c147ba21b4062e723c5b_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-06_e09dd7cca0c6c147ba21b4062e723c5b_darkside.exe"
    1⤵
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2976
    • C:\ProgramData\7FBB.tmp
      "C:\ProgramData\7FBB.tmp"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1100
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\7FBB.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2524
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x14c
    1⤵
      PID:2592

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-3434294380-2554721341-1919518612-1000\desktop.ini
      Filesize

      129B

      MD5

      ce4c450c599b368e000c1c59dcf594fd

      SHA1

      890422a9b219040c852a7e2c3fa73368e214be54

      SHA256

      761212dd61560e1dbc49efc6a6c97db672c6fc5e4b5826a312ba5bc34b310198

      SHA512

      96f037850d198dc108ba1b136068fe14f8ff95e35e9dd6148c4141e518838bd1a31f376305325227135f2f86cf14755188fc93cf2ffb6f4590d7ff51483ffa0f

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
      Filesize

      146KB

      MD5

      270e5fa8f8a5ca56af6b36b95a00622f

      SHA1

      a6eb06a4b317c1c38d56657d6bb7105c6bbf46fa

      SHA256

      a0e51af30f42606537257ba5e9e14c95a34b8c648f394fce0f67a2587b7db2e2

      SHA512

      a34d3e520c6277b8b2b4d714102382abed250bdc27d46049c0f90efb3330f6ff9910fe2e579b98665066308116cbf8c952250474c56f85af5d863cda7ffbaec0

      Download Submit

    • C:\fB1SZ2i3X.README.txt
      Filesize

      1KB

      MD5

      70344773c49f18010dabfe8a250e2830

      SHA1

      2df86a1c8180b77263424f919b57ca16bf614b65

      SHA256

      38330e8cffd414453eb8c943e9c11de1fb617aed60ce7f9bb47b7f963ebabd31

      SHA512

      4a214e98f1e3408f04af297ee278861adc8815fcb4deb45737bc0d024e46f4affe8e9c493f4ea6d6e98800a8c0a5b4b0359ca5508e6b217e053b60ea47acb561

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-3434294380-2554721341-1919518612-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      40188a718bcef1d3de4c1237b5ef5dc8

      SHA1

      776ed946f955459efb8b7de27f8042e2c97328e7

      SHA256

      c5a0478c811d03d13ba0f45da82da76c9ecf7809fe53002f3ef56b4920537c59

      SHA512

      3d984420baee9b822db856e6c66f1925c1d6e998031fd4eb8674a6adc6419d27e9137b058033d64d9a95f1f42d36d8e6b79678dc3386a987b54e24f47f345c0a

      Download Submit

    • \ProgramData\7FBB.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

    • memory/1100-870-0x0000000000401000-0x0000000000404000-memory.dmp

      Filesize

      12KB

      Download

    • memory/1100-872-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/2976-0-0x0000000000310000-0x0000000000350000-memory.dmp

      Filesize

      256KB

      Download