Overview

overview

10

Static

static

10

2025-01-23...de.exe

windows7-x64

9

2025-01-23...de.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-01-2025 19:41

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General

  • Target

    2025-01-23_3b7bbcc792998c87d854a9587d066d2e_darkside.exe

  • Size

    160KB

  • MD5

    3b7bbcc792998c87d854a9587d066d2e

  • SHA1

    0b3e8f3c71d3fbfa02ad9cef1f3cbaa83c8d2621

  • SHA256

    130d6de205082cf8be9c58f327f84080af79f2ebf6f50c83e23aa142f2247cd8

  • SHA512

    56d74eef6efb89837c048b1aa91358749992c1e41bc82fe646924efb16c7e32a1d4eeaeeb7d82a0a49314a4f3c47b909e7b1271acb40d1ae8d1c1755c8929ee7

  • SSDEEP

    3072:TDDDDDDDDDDDDDDDDDDDE45d/t6sVkgZqltP3368enHx6A2eyKQnWwAYEW:95d/zugZqll30Hw3eyZWwAY

Score
9/10
defense_evasiondiscoveryransomware

Malware Config

Signatures

  • Renames multiple (157) 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 12 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
    defense_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
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-01-23_3b7bbcc792998c87d854a9587d066d2e_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-23_3b7bbcc792998c87d854a9587d066d2e_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:4472
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:1812
    • C:\ProgramData\CC69.tmp
      "C:\ProgramData\CC69.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:2220
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\CC69.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1448
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3780
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:2420
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1408
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{B1D602B4-8FBA-493B-9A51-147E13DD55E8}.xps" 133821349082740000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:4868

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-493223053-2004649691-1575712786-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      e48a07981dfaaf0029ed99726f460834

      SHA1

      6bc988d3cd8313f0116d4780cc2d7ecb194d868a

      SHA256

      10b0e9c739f63c84745b097761dab02399df45c0385477c9805997f8702a7012

      SHA512

      16c0fc371bf831c8fef9335c36b5910f62cbe1fb2cde31381b09a8cd6aec564cb27eb5b60e27a46116f0fcf6d3214d437b49271be9bc5184d88c4536ff9a44bd

      Download Submit

    • C:\ProgramData\CC69.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

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

      160KB

      MD5

      7462ebaa3208a57bf8173d04a04871ea

      SHA1

      9b89ebadaa790befcd94268afcb656cbcdac0345

      SHA256

      4e34827968ba025e50bc420f4c63b08cb5fb07678f5c525e9803ca4a42411698

      SHA512

      a8d7c874efa9c54e4186539bae123e214a75e3d315159a4e0962ebf90eb5a286240ceec543eda807c349c5653369c5ad8fd9b6b067e9520eefe268b8d1c90978

      Download Submit

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

      4KB

      MD5

      d467a80b6d147c65f881f81ba1cb456d

      SHA1

      07a755ce0fa4e48da25046b58b10467e34ff43a9

      SHA256

      94194d395caca817ace1bb2bb12ceded55afb22338e1e063917aa4c0f2dc55d1

      SHA512

      a7fb34724684465c156d2b85de43cf40d8e770be4addb54b08aacb3a32f52c18dd118a88ec5f8ec30f6a6a32b354f9731882b7ad1d873e33400314c1bcbae64f

      Download Submit

    • C:\Users\PTfidxFX1.README.txt
      Filesize

      6KB

      MD5

      7475003cb2c2f3b72177d84524b4173b

      SHA1

      ee8eef613b3c0b389c7e71b176aa812da1b74b52

      SHA256

      e08be7b01ef937a2df31d8681250c4b4bf6ada37a537b06ebbd3cdb1b6734abe

      SHA512

      ad2fb7f49e98268bea5c838a6fe6b3e3f252ca9f662acbe5a19876f22d38736487ce151e23672074c481df1dafeebe6f0efe738fcf6f0a5703ebf988460dc8cb

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-493223053-2004649691-1575712786-1000\EEEEEEEEEEE
      Filesize

      129B

      MD5

      b30d63d7d7848c427c116c2613d3937e

      SHA1

      347c5789eb9ef534841216de09edeac06dc46111

      SHA256

      167c057d92a67bb815d7e1fa459e7d09a61364f01043e2684140c19b2f8da03f

      SHA512

      b52bcba3dc632e528cc0391bd9cc2da61308e93fd0bd01a934ad30c8e33f3b69b1389a079a47ecd2cdc8e4df0a92e7fa955eae2f4007b267cdbafa6e85a5a65f

      Download Submit

    • memory/4472-308-0x0000000003250000-0x0000000003260000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4472-307-0x0000000003250000-0x0000000003260000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4472-0-0x0000000003250000-0x0000000003260000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4472-306-0x0000000003250000-0x0000000003260000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4472-1-0x0000000003250000-0x0000000003260000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4472-2-0x0000000003250000-0x0000000003260000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4868-320-0x00007FF8FB2F0000-0x00007FF8FB300000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4868-321-0x00007FF8FB2F0000-0x00007FF8FB300000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4868-323-0x00007FF8FB2F0000-0x00007FF8FB300000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4868-322-0x00007FF8FB2F0000-0x00007FF8FB300000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4868-327-0x00007FF8FB2F0000-0x00007FF8FB300000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4868-357-0x00007FF8F8CB0000-0x00007FF8F8CC0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4868-358-0x00007FF8F8CB0000-0x00007FF8F8CC0000-memory.dmp

      Filesize

      64KB

      Download