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
    147s
  • max time network
    136s
  • 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 23:17

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General

  • Target

    2024-09-18_b49f2ded048a1c07e09e731d84c7bbb8_darkside.exe

  • Size

    146KB

  • MD5

    b49f2ded048a1c07e09e731d84c7bbb8

  • SHA1

    826176b2a3f8258b944dacf1f17a4495b73d104a

  • SHA256

    4178821f84d63a57ba7858c0b1e6adfa9d206943c06ac70b1a497d9269388db3

  • SHA512

    fbcde9c4334756d305715e1ec5f6216515ffd25ab0b861945807d0605b1d84339933ddd24ddb45f77f5390e9915e7b237cbcef45ad2f883a98b25747d0cca774

  • SSDEEP

    3072:n6glyuxE4GsUPnliByocWep2ntZdy0OS55Ei:n6gDBGpvEByocWeordyXS55Ei

Score
9/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (607) 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_b49f2ded048a1c07e09e731d84c7bbb8_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-18_b49f2ded048a1c07e09e731d84c7bbb8_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:1932
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:3988
    • C:\ProgramData\9ED1.tmp
      "C:\ProgramData\9ED1.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:4908
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\9ED1.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3656
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:1468
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2356
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{FCAE5EC7-177E-417C-A5A7-5B093FDEB5BC}.xps" 133711750505000000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:4428

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-2718105630-359604950-2820636825-1000\UUUUUUUUUUU
      Filesize

      129B

      MD5

      fc5ad073de7d828bbe78aa50cf406dbb

      SHA1

      36fabcb902934b53798f3fb028c7c4e91ef48e1e

      SHA256

      766a3b1174536f8dd33635de9bad3a8e6efb2885b5cf6264457146bc71257de5

      SHA512

      5ad7799c051dcb6e9f47613db071c9b7f45242366b3c572e6706d64b5d24b242fe33f925768c14edd7f834361f22b0d088549cd6c7c7ef5fa3455341bf18916e

      Download Submit

    • C:\5OaQNrui8.README.txt
      Filesize

      343B

      MD5

      72b1ffaeb7de456483f491ecceadb088

      SHA1

      ee1953abc295245ab01f35a4a823883826bf2b41

      SHA256

      eb892eac9899b995047733bb17acd4945eb42b7b49f2ee8ad52b8026bc0297a7

      SHA512

      c0e7cad617cf1490bb25fc47936edc3ae164b190ed34f2d2a50e7e84ce6e0d6712a6ba9ab351cca1589266078326a00317516c53fecf96f20eaefe15e92ce445

      Download Submit

    • C:\ProgramData\9ED1.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

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

      146KB

      MD5

      285b88be96c959dd257133bc59e247d1

      SHA1

      db14b9c54cfcca179734f08c5bf08da59d6fe7d7

      SHA256

      5355e100f636c62ffb078a480b71c02d06411f7b98b2b3b87fdffd367fe720dd

      SHA512

      26eea64bec47a1039009917fb31421564c623d92804a985c6360c8edf937e8aef86fdf4e250fb1f781e889b9f2234483a8af573e355d5be17d3d6545d2aee162

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\{913BD68F-BCEE-4E94-AD83-5C0962DFF93F}
      Filesize

      4KB

      MD5

      833f0f59329c6c1fa314ec687bde2a57

      SHA1

      04d09b6538c1bc185dbe436a92588511241aa3a8

      SHA256

      f742228ac4bf47f0be2fe4489f144a2418d2988ffba86a4b5996527813947ebc

      SHA512

      662fbbf176ee5725d5c9470364dbbe9e8cacfdd2d47b27ca1370b0ba9865320e98c10a864f345dd69fc681708877bc5d6385bb59920c6ba60cd5ce05f911de63

      Download Submit

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

      4KB

      MD5

      fa3465b15b9e4a84ba2b7210ae1ad2f0

      SHA1

      27e2db6a58a2f5d0dbd5f89fd033c4c695975013

      SHA256

      7492ef12e0356cd8b952afb617577dc540758aae61b8d3879fd3183228c0ce95

      SHA512

      e281cc2e8cc6d843265e2124914505e2db10074b4b45ac7fa44c3bc069f524cc30b6ed39746724c80216262c8a6c264d0ac45ef399d333550324154da9242f68

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-2718105630-359604950-2820636825-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      b821b5b4d818e37c4fb9e456dfdd8728

      SHA1

      f65013e1aa2eddaa24883f392bc04e18774411b9

      SHA256

      3ac5fdaa356c6ace8e353ab8a382d0555b7d02fa88dfbe4d61072dfb18dd8b86

      SHA512

      81b643a72f7af3daf2ebd77f68553e6db8fc1b3f17918011b3a9e7bc56fd59628f4e2c34c5a106a6ee5d2e978e884abaca9e3da75f1027a780d8e5d9de31ca99

      Download Submit

    • memory/1932-2769-0x00000000029C0000-0x00000000029D0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1932-2770-0x00000000029C0000-0x00000000029D0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1932-2-0x00000000029C0000-0x00000000029D0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1932-0-0x00000000029C0000-0x00000000029D0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1932-1-0x00000000029C0000-0x00000000029D0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1932-2768-0x00000000029C0000-0x00000000029D0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4428-2786-0x00007FFF06750000-0x00007FFF06760000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4428-2785-0x00007FFF06750000-0x00007FFF06760000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4428-2782-0x00007FFF06750000-0x00007FFF06760000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4428-2805-0x00007FFF044C0000-0x00007FFF044D0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4428-2820-0x00007FFF044C0000-0x00007FFF044D0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4428-2784-0x00007FFF06750000-0x00007FFF06760000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4428-2781-0x00007FFF06750000-0x00007FFF06760000-memory.dmp

      Filesize

      64KB

      Download