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
    145s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 (157) files with added filename extension

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

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 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
  • Drops file in System32 directory 4 IoCs
  • 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
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • 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 SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 11 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⤵
    • 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:2352
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:4840
    • C:\ProgramData\E744.tmp
      "C:\ProgramData\E744.tmp"
      2⤵
      • Checks computer location settings
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:4652
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\E744.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1876
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:4380
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1100
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{60A18CDD-2738-4AC3-AB98-D094590DC6D7}.xps" 133790866135920000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:3980

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-3442511616-637977696-3186306149-1000\GGGGGGGGGGG
      Filesize

      129B

      MD5

      6ecc42be4a284daf6aa5f44689eb1c36

      SHA1

      2e424eae7ede196bf9ac29b127ae636ff8cf2846

      SHA256

      264a8302ee7ccc171eb19f69c44822730a96023633f25265d4ccc83ae339166a

      SHA512

      c8c3f74fa62cd77143420c42f025312359378d127c89bf5a5f6aee9c79a3b824f301e381590baebebd01ef66a039bd29555bc47d19e4cfafd1713ca9008357be

      Download Submit

    • C:\ProgramData\E744.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

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

      146KB

      MD5

      f27f1f51b1603857d3b083ae8506d2b1

      SHA1

      784e14dbf6d739b7448af36d7e9503f0c539290b

      SHA256

      3933962827a6f391f090cd78cb7baab811a54709836974e57da64228518e35c7

      SHA512

      712d890edc6ef7a1825cf089e82aea0a6d3825f20cc05a05970e56a79d6836b9eb25a7da35d308dd535301ebfbb4c30d18fb671c9b8befe41dc8676f19965725

      Download Submit

    • C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
      Filesize

      4KB

      MD5

      c4b260ec417ed770f2d68a4604ff274c

      SHA1

      ee1d81cf38919b083cddc7b7f921758f80b1a553

      SHA256

      9146dcdfd0a56de5ae31214556e3505345865821ac803f7d24226f492c158b25

      SHA512

      f423deb81f63225368b15415af769c7e291b913e4872ecd82f7508094d44b1fdd054e33e02673c7535f21e0b83fd51c1ad1d3d24c6d24d3edef7248f2c221a43

      Download Submit

    • C:\s8ZlX6b29.README.txt
      Filesize

      463B

      MD5

      6f7db6bb7b29b288b16771cd09f495e6

      SHA1

      ab4c0ef134b8c4fefa75acd18c5f88d6c6870b58

      SHA256

      95d26fea78a10ee5d82d4de5e16bba8077ef038139b3c0fcf7519f2b4c813518

      SHA512

      8ce9df614eae8036043d85d9c3e36d0d0e464e6d3ae288afd6ad538722ef4e48d8910cd2bf34004f7415a6c894654f03fe0f2eb3ffea67e333351818b2d5edd9

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-3442511616-637977696-3186306149-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      50b3d57f0583e8cc833d580a7c7b74f1

      SHA1

      73d417df79695f6df934ac8bc001cbca7cb5ee79

      SHA256

      3d40080542810590f7933938cd0e1a00a71eb3e7ee8855aa7bd82cdc8a51aa07

      SHA512

      37878b095400278300ae4de909f781e2827079f5d7af6d7e2ce457a4c8b496c3ff623e510c267db93eb3a6a6133a1643580b5ce9f8e423365cc60164e7ffc68b

      Download Submit

    • memory/2352-337-0x0000000001250000-0x0000000001260000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2352-336-0x0000000001250000-0x0000000001260000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2352-0-0x0000000001250000-0x0000000001260000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2352-335-0x0000000001250000-0x0000000001260000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2352-1-0x0000000001250000-0x0000000001260000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2352-2-0x0000000001250000-0x0000000001260000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3980-354-0x00007FFD133F0000-0x00007FFD13400000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3980-353-0x00007FFD133F0000-0x00007FFD13400000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3980-351-0x00007FFD133F0000-0x00007FFD13400000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3980-355-0x00007FFD133F0000-0x00007FFD13400000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3980-356-0x00007FFD133F0000-0x00007FFD13400000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3980-386-0x00007FFD11390000-0x00007FFD113A0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3980-387-0x00007FFD11390000-0x00007FFD113A0000-memory.dmp

      Filesize

      64KB

      Download