Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-09-2024 16:46

General

  • Target

    2024-09-16_7e289e2de04d519e94419ccdc5e9fb0c_darkside.exe

  • Size

    146KB

  • MD5

    7e289e2de04d519e94419ccdc5e9fb0c

  • SHA1

    3a868a8b93da54dcc18f47f67a322a5ab0aa0178

  • SHA256

    c1f9a88541f2175dbe7ac071fa8219e1df77fc7b0efd74c116757b5968ba3405

  • SHA512

    a69d8d4c4875442a2d4c07b887fb47a57eb8f9f1be9fe2720d121460f3684334c44ad64da4f24344e5054603dd7e55ca59996ae86f96598de842d9407e826b39

  • SSDEEP

    3072:E6glyuxE4GsUPnliByocWep+n9l4Tu3c65QBO5:E6gDBGpvEByocWekn9lY65p5

Malware Config

Signatures

  • Renames multiple (637) files with added filename extension

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

  • 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.

  • 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.

  • Drops file in System32 directory 4 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • 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.

  • 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
  • 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\2024-09-16_7e289e2de04d519e94419ccdc5e9fb0c_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-16_7e289e2de04d519e94419ccdc5e9fb0c_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:3920
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:1380
    • C:\ProgramData\D811.tmp
      "C:\ProgramData\D811.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:5132
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\D811.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5384
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:1000
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:5100
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{965E8BE0-B2E5-481C-840F-7B5D2056D300}.xps" 133709788311220000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:744

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\$Recycle.Bin\S-1-5-21-945322488-2060912225-3527527000-1000\desktop.ini

      Filesize

      129B

      MD5

      5cd96c1d34b50b8726b2b99c361705ca

      SHA1

      b0056b23b656e7f3e1390c3592e7a5797c7bdf7f

      SHA256

      21fcf3a290f5364f22e52f16041faa944962023e443f29de298edb81f31fd3af

      SHA512

      9d34cf14d282e4db36f324044bd4d4fb9962276c8574f70370c6b5ae54be00012b6eb28e2dd49b63b5123aa664fde9229bcebaaec4cf8212f781362899b90753

    • C:\HphEJKWIi.README.txt

      Filesize

      343B

      MD5

      72b1ffaeb7de456483f491ecceadb088

      SHA1

      ee1953abc295245ab01f35a4a823883826bf2b41

      SHA256

      eb892eac9899b995047733bb17acd4945eb42b7b49f2ee8ad52b8026bc0297a7

      SHA512

      c0e7cad617cf1490bb25fc47936edc3ae164b190ed34f2d2a50e7e84ce6e0d6712a6ba9ab351cca1589266078326a00317516c53fecf96f20eaefe15e92ce445

    • C:\ProgramData\D811.tmp

      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

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

      Filesize

      146KB

      MD5

      d43817fdc85d077aa36e17dd636a7e6e

      SHA1

      8028391d386d99de08efcfe9b6514acccfc17da8

      SHA256

      991593062d2a3f4aab7ec9de7e4f7194987f269eb3701ad7725891214c94a556

      SHA512

      3b7d5d33346afd24239ee5df2fd4c10e6991032ef4ad77e6980838a6f481f459d4a722f2d66e8a719d0280287223a2c4587ac031bc41b84d6e5babbc27d1cd69

    • C:\Users\Admin\AppData\Local\Temp\{2A2C0BE2-E120-4F0F-8ADD-5B2F00256D14}

      Filesize

      4KB

      MD5

      a894f19dffab1f4c95730c29e374658d

      SHA1

      ad0ddb1f64368edf8e35c25f126f95589bef9631

      SHA256

      b125596424164bdb9d521d3fa1c6f0f02babc64427bb0892df402253ed326f02

      SHA512

      ea8b84d87c49849c897755b09b711df3f63d1d846bc6279d98348d6054550a0eebda82f09606df95a4441ba98f7d4d3145f61fe96a5a3c85fa718ce0d2f6c1f4

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

      Filesize

      4KB

      MD5

      d92d39407ec5829775c69fb7708cbc57

      SHA1

      07931d387de4653fc04b98846d958b7432e5f6cd

      SHA256

      3da30f516a7d5c123f9f5701038ffa5fe6ec13f4db14768eca4e61644c2b7fd3

      SHA512

      959de5f0db1e87ee866b92c6017ca4f44f7e7669684b7489938069ee8b079efbb5a57545ce62cd8cd20daede2569c7102d6804b13266667cb41805ddcf7b8ec3

    • F:\$RECYCLE.BIN\S-1-5-21-945322488-2060912225-3527527000-1000\DDDDDDDDDDD

      Filesize

      129B

      MD5

      7785899cc7e3734016317930014d68be

      SHA1

      ec461ea4e4ff9e21e514f24cc57c77cb0bbedd5f

      SHA256

      76c0b2398ecbf4c78b5f6bd323294b8d06259fb15de42bb349c75a674635feb5

      SHA512

      3234c1b0bd4616684d13cf432466844d70c6de4511874d9c853a3c016fbf83e18d8c324d7c94ee0e377825637c91b117ac01b6804de62e7e9ab77b6d1ccce630

    • memory/744-2834-0x00007FFD8CD70000-0x00007FFD8CD80000-memory.dmp

      Filesize

      64KB

    • memory/744-2830-0x00007FFD8CD70000-0x00007FFD8CD80000-memory.dmp

      Filesize

      64KB

    • memory/744-2832-0x00007FFD8CD70000-0x00007FFD8CD80000-memory.dmp

      Filesize

      64KB

    • memory/744-2831-0x00007FFD8CD70000-0x00007FFD8CD80000-memory.dmp

      Filesize

      64KB

    • memory/744-2833-0x00007FFD8CD70000-0x00007FFD8CD80000-memory.dmp

      Filesize

      64KB

    • memory/744-2867-0x00007FFD8A4A0000-0x00007FFD8A4B0000-memory.dmp

      Filesize

      64KB

    • memory/744-2868-0x00007FFD8A4A0000-0x00007FFD8A4B0000-memory.dmp

      Filesize

      64KB

    • memory/3920-2818-0x0000000002EC0000-0x0000000002ED0000-memory.dmp

      Filesize

      64KB

    • memory/3920-2817-0x0000000002EC0000-0x0000000002ED0000-memory.dmp

      Filesize

      64KB

    • memory/3920-2816-0x0000000002EC0000-0x0000000002ED0000-memory.dmp

      Filesize

      64KB

    • memory/3920-0-0x0000000002EC0000-0x0000000002ED0000-memory.dmp

      Filesize

      64KB

    • memory/3920-1-0x0000000002EC0000-0x0000000002ED0000-memory.dmp

      Filesize

      64KB

    • memory/3920-2-0x0000000002EC0000-0x0000000002ED0000-memory.dmp

      Filesize

      64KB