Overview

overview

10

Static

static

10

2024-09-15...de.exe

windows7-x64

9

2024-09-15...de.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-09-2024 06:51

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General

  • Target

    2024-09-15_8b4ff23ebd887a44d0383ef513aca063_darkside.exe

  • Size

    146KB

  • MD5

    8b4ff23ebd887a44d0383ef513aca063

  • SHA1

    ec4d050d74b2088ccdc5e75955a011506e1b1687

  • SHA256

    cd4a001ca9419ac6e0220333a5d0a843698abf5bab58040fdf1725df6e2f34ed

  • SHA512

    40e6d5ad6137ddbd552e9902d9671ab26eb678499c1249204445cee7896b887a1f0fd48690d7066667459ef3c8e8a4fb2cdb07a93cc02266e21b1555d7f942e8

  • SSDEEP

    3072:Y6glyuxE4GsUPnliByocWepf3Ggr5QZLkZKXNx:Y6gDBGpvEByocWeZGgFoz

Score
9/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (643) 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\2024-09-15_8b4ff23ebd887a44d0383ef513aca063_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-15_8b4ff23ebd887a44d0383ef513aca063_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:1528
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:556
    • C:\ProgramData\A3B3.tmp
      "C:\ProgramData\A3B3.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:3708
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\A3B3.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2932
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:4000
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:3484
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{686CDCF5-B111-4249-A3F1-69E4962FBB07}.xps" 133708566790080000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:3632

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      129B

      MD5

      5b93f92997b4f8bf58c5adec5d9c8759

      SHA1

      05c8eeda427cb28d18d6c70473ff053eaef91062

      SHA256

      7e7559f71a7ae118c5da3b899f3fb96fde6bece86eab162aa9fee71aa5d28661

      SHA512

      7fbff82ae7aff236949162bfabe228764ffb33ac38631c0a16b7d14a5462800e77ed74c0e4aac36b59676e25e07b8de419290a6321c47997cd61de755988b69c

      Download Submit

    • C:\ProgramData\A3B3.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

    • C:\SsCWUDNQz.README.txt
      Filesize

      343B

      MD5

      72b1ffaeb7de456483f491ecceadb088

      SHA1

      ee1953abc295245ab01f35a4a823883826bf2b41

      SHA256

      eb892eac9899b995047733bb17acd4945eb42b7b49f2ee8ad52b8026bc0297a7

      SHA512

      c0e7cad617cf1490bb25fc47936edc3ae164b190ed34f2d2a50e7e84ce6e0d6712a6ba9ab351cca1589266078326a00317516c53fecf96f20eaefe15e92ce445

      Download Submit

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

      146KB

      MD5

      25870dbefc981fbb47418efa950cc972

      SHA1

      5cdd0ac7fb051bd45e334326989618c566ba6ae9

      SHA256

      dfddd8f728f56bb51ea36b30eaa153cf5abd6830096d71b850d42ce6cc25ab45

      SHA512

      50e1f5a69e76d92a9d0c9bc7e739282c4b5bdf63195f02435ec845cf82a1da79430d8df81380b84a8b28bc318743c07fbb439e37a03da1949b9d87c470f27e5f

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\{8EEB5458-33C5-4978-BAED-DF6A24A19CEC}
      Filesize

      4KB

      MD5

      03378d805da71689c2162ed27049efa9

      SHA1

      6254eec7983cf7eed09822ba89e835f2c46f097b

      SHA256

      8a4342654bdb487d8cd34c6ba2cf0485e75e5cf1b44e511e02aa37b234a122bd

      SHA512

      85f4ff73c76509a77de8fc225034bc9b1889218df022bce9346af3ef5e3cd62f81ed6f702087857306c4864401299a0b5b4c466107ac18370e8a66eb20123814

      Download Submit

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

      4KB

      MD5

      e1758396ed1b1d13425e294702b9e69c

      SHA1

      75eb811db621d17d4a3fcb8e3cab140952c43642

      SHA256

      e7b0e17e1a8ee67742c4aed955829610510951694ed5e18a1ac8f01364716890

      SHA512

      f00f4a5ff14bce3a3913c0ab11e0b7ecdba91406655480e18e0b62f938bf862b2e4e7d3131ab0cf30ee60948f22c5555c51ac31843231c932e1d5f21b3809e72

      Download Submit

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

      129B

      MD5

      c8ea481c6dcb78be3b79eb7b2c3f4475

      SHA1

      2531b93618ef53b7960ab2c1aee42dfc098dc462

      SHA256

      b895d684316fabf108809fe3e1a33cca95bcd02c8e798dce8b4248af707706b8

      SHA512

      6d3d1fdd01a8a21a8f17ea85fb4abb4282d5f1dbba1eaabbe56cf26e1da5cad5390eaf34a990c681016e678e1455efa42eafbfdd1279bf62eadcecc07de66272

      Download Submit

    • memory/1528-0-0x0000000002720000-0x0000000002730000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1528-1-0x0000000002720000-0x0000000002730000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1528-2803-0x0000000002720000-0x0000000002730000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1528-2801-0x0000000002720000-0x0000000002730000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1528-2802-0x0000000002720000-0x0000000002730000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1528-2-0x0000000002720000-0x0000000002730000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3632-2820-0x00007FF7C2F50000-0x00007FF7C2F60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3632-2817-0x00007FF7C2F50000-0x00007FF7C2F60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3632-2816-0x00007FF7C2F50000-0x00007FF7C2F60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3632-2852-0x00007FF7C0BB0000-0x00007FF7C0BC0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3632-2853-0x00007FF7C0BB0000-0x00007FF7C0BC0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3632-2819-0x00007FF7C2F50000-0x00007FF7C2F60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3632-2815-0x00007FF7C2F50000-0x00007FF7C2F60000-memory.dmp

      Filesize

      64KB

      Download