Overview

overview

10

Static

static

10

2024-12-19...de.exe

windows7-x64

9

2024-12-19...de.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2024 12:53

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General

  • Target

    2024-12-19_cc74ca82436f36c701b67aa6dba61fc1_darkside.exe

  • Size

    146KB

  • MD5

    cc74ca82436f36c701b67aa6dba61fc1

  • SHA1

    cd1e7eaee094cb71101f0cc58ee91e2dd01f1eea

  • SHA256

    5cd13457b6d5ebd06aaea94183c22bb766731c6abe14922525e3f527708fd742

  • SHA512

    d68578b9301461c724b4a63cf9e9691e06a497e2b5d3992b68ba3db6301fe0aae5197bffbfa50c2780e96fa0d257ec174df6c5ea3df57d5abb684281cbbb9048

  • SSDEEP

    3072:L6glyuxE4GsUPnliByocWepCc1zsUGG808GOiUSza:L6gDBGpvEByocWeoM15xOiUia

Score
9/10
defense_evasiondiscoveryransomware

Malware Config

Signatures

  • Renames multiple (163) 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\2024-12-19_cc74ca82436f36c701b67aa6dba61fc1_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-19_cc74ca82436f36c701b67aa6dba61fc1_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:1056
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:3084
    • C:\ProgramData\F0F8.tmp
      "C:\ProgramData\F0F8.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:1416
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\F0F8.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1392
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:1776
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:3948
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{E033B34F-FC68-47EA-9A5A-9ADD05739ED8}.xps" 133790864169890000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:1952

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-3442511616-637977696-3186306149-1000\GGGGGGGGGGG
      Filesize

      129B

      MD5

      a6fab06fa8810d1ceef243249c5f87b1

      SHA1

      5fc7dedb21ed3a731422905c5f67fb1bcfc51b27

      SHA256

      8f388922171c23557796f6c12c3dbecf6ed3d6eb2926103bf5b2ea65db3212d9

      SHA512

      ebacb5edc2b26197d20028355ef52fbb493527f619822922f83bcdc1a3d294613f6e033ec7269bd594b87802657fea8425de8f61e542776f3d3b41b231794b68

      Download Submit

    • C:\ProgramData\F0F8.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

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

      146KB

      MD5

      84cf0b98375ac871ea484b57264e9ce6

      SHA1

      9bfa23a503253457fd147c4b27bd0bafb564f184

      SHA256

      3c6f3dd3c24abb6300a295579e3c5d3fd46bf63ca647ffe4294addf0868ced0f

      SHA512

      0e43d792b8a49b02bfbe9d6e854c21a3acf2ca8ca3ce4a61d39025e94af646894f2fb169c4783cea7899a8ab262aac4de6821d5d0935584c6b7888a54acf9de1

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\{3B756277-84AE-41E9-8713-EB1A94A80E67}
      Filesize

      4KB

      MD5

      600dc47575e3f06ec14abafaa20d43d9

      SHA1

      692e6846835eff7d3d0a6390eb717f321582601a

      SHA256

      36198015bb8e04903b7d74df393cfa0ad8e544602508ef41d7fa9ef7f4b19bca

      SHA512

      8bd7c46dd42b992b4ebc36b9331fe445cd1e37f2dc82554b2f4c394ec8f36810e5bf5065de5adbac686d2d75a65caf895be31b9da908ff0c19b626fbd80bc08c

      Download Submit

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

      4KB

      MD5

      0cc50dbdf4460b77a534602876c84ed5

      SHA1

      4ebb41c0c2639adcde06f872af60df8c58cf091a

      SHA256

      eaec6033d749d09d1f7e732bac5414a07b72e7e7a1ffe4165e9c67cda2f86535

      SHA512

      311eae3521054cbcb7a615543e6a678c7b64972ea058002421106f6158422c690acacb453b268c63ff789ccb0cffa0e048d51453c860f77921f69d9038d28739

      Download Submit

    • C:\s8ZlX6b29.README.txt
      Filesize

      463B

      MD5

      6f7db6bb7b29b288b16771cd09f495e6

      SHA1

      ab4c0ef134b8c4fefa75acd18c5f88d6c6870b58

      SHA256

      95d26fea78a10ee5d82d4de5e16bba8077ef038139b3c0fcf7519f2b4c813518

      SHA512

      8ce9df614eae8036043d85d9c3e36d0d0e464e6d3ae288afd6ad538722ef4e48d8910cd2bf34004f7415a6c894654f03fe0f2eb3ffea67e333351818b2d5edd9

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-3442511616-637977696-3186306149-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      15514e95c2be57837b0282ebd2412792

      SHA1

      2e484c3dd6a02d5139de1550b2570a395623c042

      SHA256

      3a56cb3ad7efb1c0b4e81abb1ea6263bd1b7873191d4c82e6bfbd602792eb547

      SHA512

      939b57c44506976b1688c6156076601d688af3f15041c9eb4658b70c3a346f020568e1252b13bab847aefd8f2f234813c2652e424d1ecb5d2d4d21ad68950d08

      Download Submit

    • memory/1056-2-0x0000000002C10000-0x0000000002C20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1056-343-0x0000000002C10000-0x0000000002C20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1056-341-0x0000000002C10000-0x0000000002C20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1056-342-0x0000000002C10000-0x0000000002C20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1056-0-0x0000000002C10000-0x0000000002C20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1056-1-0x0000000002C10000-0x0000000002C20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1952-356-0x00007FFBE2510000-0x00007FFBE2520000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1952-358-0x00007FFBE2510000-0x00007FFBE2520000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1952-357-0x00007FFBE2510000-0x00007FFBE2520000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1952-360-0x00007FFBE2510000-0x00007FFBE2520000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1952-363-0x00007FFBE2510000-0x00007FFBE2520000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1952-392-0x00007FFBE0220000-0x00007FFBE0230000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1952-393-0x00007FFBE0220000-0x00007FFBE0230000-memory.dmp

      Filesize

      64KB

      Download