Overview

overview

10

Static

static

10

2024-09-13...de.exe

windows7-x64

9

2024-09-13...de.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-09-2024 00:11

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General

  • Target

    2024-09-13_71bb9cab5f75648376363ebe65ed4586_darkside.exe

  • Size

    146KB

  • MD5

    71bb9cab5f75648376363ebe65ed4586

  • SHA1

    53ff430a8f7b5d1f15b0446ff684f5fd4c7f6579

  • SHA256

    ac9cabd530c5dafe0430db5b30e1d17d7d7b156a54f69e204a681be122581920

  • SHA512

    c5efea11dcae9e717a56922db603188f19163ef4c3c73dd2d272aa7a012534b29ffed46339c3005c024afb9de2b9c8a27e97e40a9f571416f2d4a1f6b8d8a313

  • SSDEEP

    3072:D6glyuxE4GsUPnliByocWephimYeS6SgK97wXFTBmOh:D6gDBGpvEByocWe4/RwXrh

Score
9/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (630) 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\2024-09-13_71bb9cab5f75648376363ebe65ed4586_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-13_71bb9cab5f75648376363ebe65ed4586_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:3064
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:1756
    • C:\ProgramData\4A92.tmp
      "C:\ProgramData\4A92.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:1212
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\4A92.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3636
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:4400
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1716
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{389FEDB2-6A62-4DF5-A7A5-D387B9AB5A53}.xps" 133707462857000000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:3328

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-2629364133-3182087385-364449604-1000\WWWWWWWWWWW
      Filesize

      129B

      MD5

      b4f7cc1acb7e220d50c49cec1656a604

      SHA1

      5db312b062045c6fbb0abd47dcdd87836902889a

      SHA256

      d48386d58141f81efe594094f9cb0323b98b39391a7aa7132f7b606ac2b6ec7b

      SHA512

      3f45ee0fafe3cdb801e22bb3e5d2176e3dd3595253bbd965029a4bcb8c912fd2eb1044ef23fa5f1f9dfb8688d03238e3d25c3cc3eba2a8ce482656fc0774d1c8

      Download Submit

    • C:\F5iaU1zPW.README.txt
      Filesize

      343B

      MD5

      72b1ffaeb7de456483f491ecceadb088

      SHA1

      ee1953abc295245ab01f35a4a823883826bf2b41

      SHA256

      eb892eac9899b995047733bb17acd4945eb42b7b49f2ee8ad52b8026bc0297a7

      SHA512

      c0e7cad617cf1490bb25fc47936edc3ae164b190ed34f2d2a50e7e84ce6e0d6712a6ba9ab351cca1589266078326a00317516c53fecf96f20eaefe15e92ce445

      Download Submit

    • C:\ProgramData\4A92.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

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

      146KB

      MD5

      97aa71263dded8b9f5befee558d4f3fa

      SHA1

      0d462216f6bcc9bee9b8b469a2a1dfd102590e8c

      SHA256

      7b4912699681c4f4bc0c2caba72f5c017d61595e5e391f09d92a91f755d5bdf4

      SHA512

      059c237dea7ddb7db4e16b84ab635a48d962a0b6f0998e75aceb812b36a49bf15a42c64b5ea6656ea3f0ece8c5117796a2694a7d9cc034fcfc67e86fda753510

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\{6C30C244-E2B1-4C4B-92A1-938F8AE76E2F}
      Filesize

      4KB

      MD5

      93d114c7ef01594ee605b2b9689d83f4

      SHA1

      d0186c9ca1b4fb1bc9ef750aab30d72cffe81665

      SHA256

      afc3e0f3c1c0ccefab0c9a076f9986a4892c730d7706739cbacabb72c17c566c

      SHA512

      30120ee6eecc4c47becfe371bc77e0482830fb7fda6a2680b6463915895484b31837735eed8a68b866b10f55cf6d75fee4580bb8b7ecce3e278e4f463b2c24e2

      Download Submit

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

      4KB

      MD5

      4c7b365ce8fd5b249fd8101f3464c96e

      SHA1

      b9d25d7d58933d32f78faaf3d8712891282034c3

      SHA256

      c84f15c3f617dfb2b2f770df9e7757390d18a238adca3e2fd188397df07e0809

      SHA512

      6db6b13ce5d86ba64c3224fe5f35edc0d7c776146f209046fb59af003daf3f49985bde0a93da81501a63b51fee3d6c9269bb6bc11358a255115dfd39fadfb8db

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-2629364133-3182087385-364449604-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      975a551301a27c4394ddb1bf75d71480

      SHA1

      bbd70b265c0b99af87b9d96faba69b13527daff3

      SHA256

      e07385776ea187991817ef5bde321a5b4a44fd5b7100568f9ee0a3b52ac4e930

      SHA512

      bdf75fdc6a8b99bcac7e623af908010a8941391a24b65186e6d00e7abc35f0c46dbaec0d3e9db9f31e1a5cfc996650004af27274c536f2542eca48eb229e5683

      Download Submit

    • memory/3064-1-0x0000000002D80000-0x0000000002D90000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3064-0-0x0000000002D80000-0x0000000002D90000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3064-2911-0x0000000002D80000-0x0000000002D90000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3064-2912-0x0000000002D80000-0x0000000002D90000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3064-2913-0x0000000002D80000-0x0000000002D90000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3064-2-0x0000000002D80000-0x0000000002D90000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3328-2930-0x00007FF7D8510000-0x00007FF7D8520000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3328-2932-0x00007FF7D8510000-0x00007FF7D8520000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3328-2925-0x00007FF7D8510000-0x00007FF7D8520000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3328-2962-0x00007FF7D5E70000-0x00007FF7D5E80000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3328-2963-0x00007FF7D5E70000-0x00007FF7D5E80000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3328-2927-0x00007FF7D8510000-0x00007FF7D8520000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3328-2926-0x00007FF7D8510000-0x00007FF7D8520000-memory.dmp

      Filesize

      64KB

      Download