Overview

overview

10

Static

static

10

2024-09-08...de.exe

windows7-x64

10

2024-09-08...de.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-09-2024 00:25

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General

  • Target

    2024-09-08_0b14554861845d417fc0cdc27bec8019_darkside.exe

  • Size

    147KB

  • MD5

    0b14554861845d417fc0cdc27bec8019

  • SHA1

    811042a7614a890dd332603476b1a27fef528518

  • SHA256

    1ea8c04497c684c1337e4902bf8edf3fbe632d1775286243e1e6bbba759402b8

  • SHA512

    771707df51f0a4df2cfe68abc5f730a32452f16625e546c7557917cb356d2284fd58ddea3af678fb7a28b0485493522a5edfdb6a0eafffd34e9f3c8a6cf6a05e

  • SSDEEP

    3072:uqJogYkcSNm9V7DwMN7T8xPy8iuF7snT:uq2kc4m9tDjtTcPyeF

Score
10/10
defense_evasiondiscoveryransomware

Malware Config

Extracted

Path

C:\Yl8SYKvBf.README.txt

Ransom Note
######################################################################################## YOUR COMPANY NETWORK HAS BEEN PENETRATED All your important files have been encrypted! Your files are safe! Only modified. (RSA+AES) ANY ATTEMPT TO RESTORE YOUR FILES WITH THIRD-PARTY SOFTWARE WILL PERMANENTLY CORRUPT IT. DO NOT MODIFY ENCRYPTED FILES. DO NOT RENAME ENCRYPTED FILES. No software available on internet can help you. We are the only ones able to solve your problem. We gathered highly confidential/personal data. These data are currently stored on a private server. This server will be immediately destroyed after your payment. If you decide to not pay, we will release your data to public or re-seller. So you can expect your data to be publicly available in the near future.. We only seek money and our goal is not to damage your reputation or prevent your business from running. You will can send us 2-3 non-important files and we will decrypt it for free to prove we are able to give your files back. YOUR PERSONAL ID: Smh5Plj4sMuLkO3gTfv8YqUDwtiRE9Anc2oIdpa6B1CxGX0yKFJ7erWHbQ Contact us, use the email: [email protected] [email protected] IF YOU DON'T CONTACT US WITHIN 72 HOURS, PRICE WILL BE HIGHER.

Signatures

  • Renames multiple (167) 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
  • 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
  • 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
  • Suspicious behavior: EnumeratesProcesses 12 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\2024-09-08_0b14554861845d417fc0cdc27bec8019_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-08_0b14554861845d417fc0cdc27bec8019_darkside.exe"
    1⤵
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\ProgramData\C9D4.tmp
      "C:\ProgramData\C9D4.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:2064
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\C9D4.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2336
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x148
    1⤵
      PID:2420

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-2872745919-2748461613-2989606286-1000\desktop.ini
      Filesize

      129B

      MD5

      cb96e309590df7986d7bb96788573564

      SHA1

      affb7013ed928be1c190de652b0dc420ef1b53b8

      SHA256

      b0f05623f71475aba5f489227710c4cf818e573766da549accddb5bc0fa91096

      SHA512

      4f07421035657056e49376642212fc169c34e049d6bf06fd16f875b266ce174bbbff9cde20e2c1bd844d5fbb8112de397a5ff1d72d0371950296cb540969813e

      Download Submit

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

      147KB

      MD5

      ba0a24184d2b878ab03c6120d77e0d68

      SHA1

      81542b3261a4060d64f4cc230590f91a4f865150

      SHA256

      be5b9e155abb99c72f76fd3d385105dd0c74b5f89844b714e98322bb59df4417

      SHA512

      212a40d7810eded1e8782b57ff898acfb1d63a342b5eb032feddeee9c789c60461016d067fad0c375b331e558245c4626a193cce409053010585f171f6a26ac5

      Download Submit

    • C:\Yl8SYKvBf.README.txt
      Filesize

      1KB

      MD5

      8e4e1364e1a6cd145eed9e9f55a0191a

      SHA1

      41d96243904d92f31b3002a5e422a7afd9e16ae0

      SHA256

      4c25f0783cdd641b9ff8b0944fcc2fdb331e4b73d68314713c46a56213bcd704

      SHA512

      5e2f14107e23c83a5f9867407545841225061857f66e5704e75a7469b55c10836ed067dcf6f39b75f67f811c3d96e7b5cc694752db54be1b6a6d78526102e371

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-2872745919-2748461613-2989606286-1000\AAAAAAAAAAA
      Filesize

      129B

      MD5

      9051f22d588a8f558befea446fbeddfc

      SHA1

      268eb4a3105a7086b8c02e502bcb7378b6a14f3a

      SHA256

      bce517bc32cdcc34b7f4bf4914a1af77f52a31ab59b761153aeff0d8094c96fc

      SHA512

      43211081279cc3c1ed48bdb60b554ea31d6fc45b511c4ac3a117c5f26df998fbc7ff649108906c400bb99213b4ea65409d2439c78773216fe994e3428903ac6f

      Download Submit

    • \ProgramData\C9D4.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

    • memory/2064-300-0x000000007EF20000-0x000000007EF21000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2064-299-0x000000007EF80000-0x000000007EF81000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2064-298-0x0000000002400000-0x0000000002440000-memory.dmp

      Filesize

      256KB

      Download

    • memory/2064-296-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2064-297-0x0000000002400000-0x0000000002440000-memory.dmp

      Filesize

      256KB

      Download

    • memory/2064-330-0x000000007EF60000-0x000000007EF61000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2064-329-0x000000007EF40000-0x000000007EF41000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2236-0-0x00000000009A0000-0x00000000009E0000-memory.dmp

      Filesize

      256KB

      Download