Overview

overview

10

Static

static

10

2024092676...de.exe

windows7-x64

9

2024092676...de.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    145s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-09-2024 11:40

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General

  • Target

    2024092676a0d2ef15e408b4a07f534c8d056b30darkside.exe

  • Size

    146KB

  • MD5

    76a0d2ef15e408b4a07f534c8d056b30

  • SHA1

    7ddc10e637b0ab439b80a193420b00bcf03c3dd7

  • SHA256

    2317d33628eb06af24d1d6d94ff892d6fb6a7ecca24094d477f5c77829ca35c0

  • SHA512

    48f709fe69c2aa219ee40167f1f82806fd003b697b6ecc96aa87826670b12533530a9314a4a642e92784ef59b4a97628ab27a4c781695a37d946ca624f6fff67

  • SSDEEP

    3072:D6glyuxE4GsUPnliByocWepOsNPfGk21h:D6gDBGpvEByocWeqN

Score
9/10
defense_evasiondiscoveryransomware

Malware Config

Signatures

  • Renames multiple (161) 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
  • 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 14 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\2024092676a0d2ef15e408b4a07f534c8d056b30darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024092676a0d2ef15e408b4a07f534c8d056b30darkside.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:3304
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:3852
    • C:\ProgramData\CC79.tmp
      "C:\ProgramData\CC79.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:1448
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\CC79.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4940
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:2260
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:3640
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{63803C05-34AA-4B8A-97F2-37C1626EBF38}.xps" 133718244518080000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:4748

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-523280732-2327480845-3730041215-1000\YYYYYYYYYYY
      Filesize

      129B

      MD5

      eac01c2248189bb27123f8225b248c81

      SHA1

      89ce7ad637149e3d394eec814a6e8e9fcd045fab

      SHA256

      6068ee66e9705228b194e3a4f921cd34597aef5ccee60d2964dedeaaeeb504b6

      SHA512

      836e10ccc7a128df2a23683a5511a84b82217de40f3811e23d4ca4d3be5d1e352a6527f61d283f90a011ed3656e32ce2850f9eb728f4b6d788d5e6008465302b

      Download Submit

    • C:\3WaPinOps.README.txt
      Filesize

      463B

      MD5

      6f7db6bb7b29b288b16771cd09f495e6

      SHA1

      ab4c0ef134b8c4fefa75acd18c5f88d6c6870b58

      SHA256

      95d26fea78a10ee5d82d4de5e16bba8077ef038139b3c0fcf7519f2b4c813518

      SHA512

      8ce9df614eae8036043d85d9c3e36d0d0e464e6d3ae288afd6ad538722ef4e48d8910cd2bf34004f7415a6c894654f03fe0f2eb3ffea67e333351818b2d5edd9

      Download Submit

    • C:\ProgramData\CC79.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

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

      146KB

      MD5

      3a2064963aa0152d344fd19e8419e635

      SHA1

      f1784a8c1b48dcf9986e35d62b07ac724921ebdc

      SHA256

      94e714539fc0cb3f69594cc61b3821b6e7502cf4ce1e91e181ecfa6cf7315b7e

      SHA512

      31e865b471552d7835801e2b355b531fe13d7b8f14bb6189b095c338302a72e64c1d4a9dbfada2dcf4793ae747f24fbee9cd4a276c4163e56a22748f9ecd7ade

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\{7EE7D885-481D-4D62-A4F1-791A82302812}
      Filesize

      4KB

      MD5

      414875404066c3fbfbf89981a8174683

      SHA1

      aad4511911801d2bf4e58d6e98baf6a339a59834

      SHA256

      dcab3bc541388509e71c4ebf11a8574f4442f3407a4d3c51871bceecf4520c85

      SHA512

      9c78a007f8885a5da1c50b588ed97ba5a1de3e8252c192ec3dff59aaa1d63f4475e04b6eb17b113f1942dd71e052fedccd25f0b2b2f5de1c9cc34f8e327af153

      Download Submit

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

      4KB

      MD5

      e57b0c11c03d8e6822b203e76d0ec87a

      SHA1

      af24da435c04cdccf1f94f95d17b07613201fba3

      SHA256

      153d9a28e221e1ec9c9703fe3979caa5658ff7874e790593cfc28024ff2e9a13

      SHA512

      7ad40fe716b4a2d558c8c8816b536c50555c7b6d3387c4532c3b64b689a599fc376784c6a84bbaa63aeb7be9afcdc1a373aedc62bfc06c1dd732b3e3a5328ed2

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-523280732-2327480845-3730041215-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      8eb94c03cfaf91cb7d057d118d4d25f3

      SHA1

      e98775382eefc8eaebc8bff6cfa30ab358f71ea7

      SHA256

      e728693f08563a940673227a2fb8add6f9e9c24fd3dce2f19b9a7e8f12c1f564

      SHA512

      c75b3466045a39eceecd86f83f2d42ed50478f5e51fe02e4133e7558de0314632d49d09f33e64fc45e97811cedf4022e468ed9cb49c66477c9e0fa17e456c40d

      Download Submit

    • memory/3304-1-0x0000000003010000-0x0000000003020000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3304-2-0x0000000003010000-0x0000000003020000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3304-339-0x0000000003010000-0x0000000003020000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3304-340-0x0000000003010000-0x0000000003020000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3304-341-0x0000000003010000-0x0000000003020000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3304-0-0x0000000003010000-0x0000000003020000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4748-356-0x00007FF7D6E50000-0x00007FF7D6E60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4748-357-0x00007FF7D6E50000-0x00007FF7D6E60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4748-354-0x00007FF7D6E50000-0x00007FF7D6E60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4748-390-0x00007FF7D44F0000-0x00007FF7D4500000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4748-391-0x00007FF7D44F0000-0x00007FF7D4500000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4748-355-0x00007FF7D6E50000-0x00007FF7D6E60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4748-353-0x00007FF7D6E50000-0x00007FF7D6E60000-memory.dmp

      Filesize

      64KB

      Download