Overview

overview

10

Static

static

10

2024-09-18...de.exe

windows7-x64

9

2024-09-18...de.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    148s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-09-2024 23:18

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General

  • Target

    2024-09-18_d5c43db682644a7c08e653206f9c8d73_darkside.exe

  • Size

    146KB

  • MD5

    d5c43db682644a7c08e653206f9c8d73

  • SHA1

    3df0d727a4ebd48c2f9a1012828a47271c1e4a1c

  • SHA256

    c31a2e594ba6f814f266ff511659faa3489b5508187693048e0ff17bc087bb7b

  • SHA512

    f800f0320128091b3eac64f5f7e41d425ce20be0f0b3d5ff36c35843b4212a71e9c2cc6359e3373db179317c825c84848b299145d4928b04a7cdfd5611e8c7ef

  • SSDEEP

    3072:p6glyuxE4GsUPnliByocWepsXU3tITJ9GN+YVF:p6gDBGpvEByocWesUgfGN+YVF

Score
9/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (623) 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
  • Reads user/profile data of web browsers 2 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
  • 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 64 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\2024-09-18_d5c43db682644a7c08e653206f9c8d73_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-18_d5c43db682644a7c08e653206f9c8d73_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:2092
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:2020
    • C:\ProgramData\D65C.tmp
      "C:\ProgramData\D65C.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:5032
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\D65C.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4760
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:4696
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2464
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{2BB13BFB-C0AB-425B-B0F0-AFC5235A3FB3}.xps" 133711750977040000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:2212

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-656926755-4116854191-210765258-1000\JJJJJJJJJJJ
      Filesize

      129B

      MD5

      f890cf71b8c7f19a5699268e1bf367cb

      SHA1

      bd55f6c1e156a83b3df962c81c15c143be2f40e3

      SHA256

      d020458f218a9197e3f5b26c5ec6697010464ae433884866f878c9ad56ecd627

      SHA512

      4667bb8e3a25eee555ca8ea4d1b6901ded44a639a278c79f041701e435330a5665fd8dc63d183338cf69ef67614481d57d9c698f687ab43b30af934cae732689

      Download Submit

    • C:\ProgramData\D65C.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

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

      146KB

      MD5

      58c22bfa5953947b547d4c7e6b26fba3

      SHA1

      4864d24fe69e79d40bfe3d046248a7b5512ec63e

      SHA256

      f80934b1b73c4bc98531c7162bd1e65c916db2ee81fd9a6072dbfbd2ade17528

      SHA512

      a7e78eb920f24df9c10f689f3b0d4cbcd4889ddb5f8f370abef361d8b53c346e161e3340c6e6d11d5725465e2f190c57fffdd4ac265878106865a3dd53e34675

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\{A01B42DC-6A94-44AB-BA9F-BA252DF854DD}
      Filesize

      4KB

      MD5

      a1be20c8608603d8476030e61fc86fe4

      SHA1

      fa1cefaf3226208184d5ea922ccc02322b96fb81

      SHA256

      0ff1d99f2f9fff9fa81fcab3188ae80926a7bf88eba6c5a5c05b6db6c0c4af60

      SHA512

      97bbce62c0b9517d17f15baefdf17508b34e61f7c88a4748cd7b8775847dc66259a28ed93e6c5c5ddf4b4104cdd3fde8e3faefaac93fd29e3cee223464060c81

      Download Submit

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

      4KB

      MD5

      7fe2d072a4f351522a1aa08d9002d571

      SHA1

      7c0416910d6d15fbc52c7be1924ef8f14b3c3ab6

      SHA256

      3b0956189f693b5d2927c5ed9ca709b33333dc67ea9f22217daa2eefc9873786

      SHA512

      3ab0b8421b267621cfba39be08f759aab50bc41d5ab6697ca298a1302f808c4c246836d62436c1d111050c14997e11414c9ae75b08f6fa428bfd4cab189c1a19

      Download Submit

    • C:\ioZ35V9gf.README.txt
      Filesize

      343B

      MD5

      72b1ffaeb7de456483f491ecceadb088

      SHA1

      ee1953abc295245ab01f35a4a823883826bf2b41

      SHA256

      eb892eac9899b995047733bb17acd4945eb42b7b49f2ee8ad52b8026bc0297a7

      SHA512

      c0e7cad617cf1490bb25fc47936edc3ae164b190ed34f2d2a50e7e84ce6e0d6712a6ba9ab351cca1589266078326a00317516c53fecf96f20eaefe15e92ce445

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-656926755-4116854191-210765258-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      ca9a8c387b6af111a7696a5af36b61dd

      SHA1

      939703524b28d3f95ecb43234f62b972e9f860e8

      SHA256

      07f230861dbe65e4d514200c28fce4c41ecaae30123e3cca47427b0f917fe740

      SHA512

      4aafc346e6e504bdb055905d53497e2b1ad82cefbb301ad2d4473877d21ac9192fc009df3949c529653ff71266e3cb23eaf1a7b78214f9b729852cf1de4b5a85

      Download Submit

    • memory/2092-0-0x0000000002E60000-0x0000000002E70000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2092-2960-0x0000000002E60000-0x0000000002E70000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2092-2-0x0000000002E60000-0x0000000002E70000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2092-1-0x0000000002E60000-0x0000000002E70000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2092-2961-0x0000000002E60000-0x0000000002E70000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2092-2962-0x0000000002E60000-0x0000000002E70000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2212-2974-0x00007FFD54770000-0x00007FFD54780000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2212-2982-0x00007FFD54770000-0x00007FFD54780000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2212-2978-0x00007FFD54770000-0x00007FFD54780000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2212-2976-0x00007FFD54770000-0x00007FFD54780000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2212-2975-0x00007FFD54770000-0x00007FFD54780000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2212-3011-0x00007FFD525B0000-0x00007FFD525C0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2212-3012-0x00007FFD525B0000-0x00007FFD525C0000-memory.dmp

      Filesize

      64KB

      Download