Overview

overview

10

Static

static

10

2024-12-19...de.exe

windows7-x64

9

2024-12-19...de.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 12:56

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General

  • Target

    2024-12-19_cc74ca82436f36c701b67aa6dba61fc1_darkside.exe

  • Size

    146KB

  • MD5

    cc74ca82436f36c701b67aa6dba61fc1

  • SHA1

    cd1e7eaee094cb71101f0cc58ee91e2dd01f1eea

  • SHA256

    5cd13457b6d5ebd06aaea94183c22bb766731c6abe14922525e3f527708fd742

  • SHA512

    d68578b9301461c724b4a63cf9e9691e06a497e2b5d3992b68ba3db6301fe0aae5197bffbfa50c2780e96fa0d257ec174df6c5ea3df57d5abb684281cbbb9048

  • SSDEEP

    3072:L6glyuxE4GsUPnliByocWepCc1zsUGG808GOiUSza:L6gDBGpvEByocWeoM15xOiUia

Score
9/10
defense_evasiondiscoveryransomware

Malware Config

Signatures

  • Renames multiple (197) 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
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 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\2024-12-19_cc74ca82436f36c701b67aa6dba61fc1_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-19_cc74ca82436f36c701b67aa6dba61fc1_darkside.exe"
    1⤵
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\ProgramData\FD91.tmp
      "C:\ProgramData\FD91.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:2556
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\FD91.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2892
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x14c
    1⤵
      PID:1804

    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

      5afa47477e62c5d0e10a00cfdd3b77f3

      SHA1

      0cd7c18153c81315712f2c89c2e01b45aa876a3d

      SHA256

      a2d7e0bdb28deca1f4e5d10671af1cee83c1afeace63da18851278d0a5b91cb5

      SHA512

      82ac0f62b37da310ee1a8626ad3cbda6bd593a6d141b30082518e8b6e263a48780173094d3cc318a555d25e10e3de9335f5030acca240215e8f6c2bea1dbbf2e

      Download Submit

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

      146KB

      MD5

      9ef05f9a3fce4ac1cc09ae511507d345

      SHA1

      329a53e9a1115536f49563a49bd57df750f51bb2

      SHA256

      5b0145914a9805f6c35097dfdf14ca54fc3fdea19671b7068c2e5816a5fdbd04

      SHA512

      72f45d2b292c87aa5ee2c6da41b1424e4abca8938be1dd177ae6edab9d860aed218aec6f7289b0b9c29d0fe2fc749f58df25685d8d1ab7548c26a678521b80a3

      Download Submit

    • C:\s8ZlX6b29.README.txt
      Filesize

      463B

      MD5

      6f7db6bb7b29b288b16771cd09f495e6

      SHA1

      ab4c0ef134b8c4fefa75acd18c5f88d6c6870b58

      SHA256

      95d26fea78a10ee5d82d4de5e16bba8077ef038139b3c0fcf7519f2b4c813518

      SHA512

      8ce9df614eae8036043d85d9c3e36d0d0e464e6d3ae288afd6ad538722ef4e48d8910cd2bf34004f7415a6c894654f03fe0f2eb3ffea67e333351818b2d5edd9

      Download Submit

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

      129B

      MD5

      ea48a7b97b9086fe1b103096c8141052

      SHA1

      33d9ba352db802415b9ca16ca680ccb5278e3e68

      SHA256

      9d1b249f73991267f452791d932e93381f958543d5300a99ef996ea1d1008728

      SHA512

      40e97e970869828650ca7b8dff26dae1c1e95f37efdb7be349dff031f8576956ffc0b595021f870da115939688f7723a5d550fab17557ac3adfb407fd11b7a1f

      Download Submit

    • \ProgramData\FD91.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

    • memory/2556-356-0x0000000000401000-0x0000000000404000-memory.dmp

      Filesize

      12KB

      Download

    • memory/2556-361-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/2556-360-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/2556-359-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/2556-357-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/2872-0-0x0000000002380000-0x00000000023C0000-memory.dmp

      Filesize

      256KB

      Download