Overview

overview

10

Static

static

10

2024-09-16...de.exe

windows7-x64

9

2024-09-16...de.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    147s
  • max time network
    140s
  • 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 16:44

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General

  • Target

    2024-09-16_16ca54f00e25ec6cb2266fc28739a2b1_darkside.exe

  • Size

    146KB

  • MD5

    16ca54f00e25ec6cb2266fc28739a2b1

  • SHA1

    75ab9bef73c6970fa8523026c6830560e2aae779

  • SHA256

    637ce282493007072aab316f69573813b8df253ed98685f7b302463f84e979fc

  • SHA512

    df90d755c6c7246230321e310479f79d4c9adb173913f535f617f877217eb1986034256e996eb72575685326d60601192850aebe549d83a7a4fdb4378cbdcbbb

  • SSDEEP

    3072:m6glyuxE4GsUPnliByocWepmhP+vHIN7yqzhuLl:m6gDBGpvEByocWegIvHIYihO

Score
9/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (636) 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\2024-09-16_16ca54f00e25ec6cb2266fc28739a2b1_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-16_16ca54f00e25ec6cb2266fc28739a2b1_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:3272
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:3740
    • C:\ProgramData\D8DC.tmp
      "C:\ProgramData\D8DC.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:2528
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\D8DC.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2352
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:3004
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:3684
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{1D0E4AB6-5A60-4F30-B341-9DB9F1E9E62B}.xps" 133709786599750000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:4632

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-1302416131-1437503476-2806442725-1000\desktop.ini
      Filesize

      129B

      MD5

      3b01666d522cccf729cece236b001431

      SHA1

      e5891f72c8a9fbf9d5a17925b8c399ac342bd6f9

      SHA256

      2b9d084f46016b6c1669556c1a9167e65fc17a623a86da32fa33243b66a00332

      SHA512

      7c697bac06d5e3e1bc87321e09d0bfd830c8cf3576fcc121d047787471cbd74199682a38f5b050ef8f0ef03d9f525ebf77f8bbed02f42806710dab9946e1605f

      Download Submit

    • C:\ProgramData\D8DC.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

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

      146KB

      MD5

      534be1f4cf65b64b3719f5e62301519a

      SHA1

      973c60ae18b44e6c43240ea5da9a1d47a9156e7b

      SHA256

      f46f749c5dc674b64b6a12c4b571708728c02ef68dcf4be4bcdab889ccc9512f

      SHA512

      c47e0558bfba25afe8786a2ce5aad280a7e667b137ec86efe81fc35348b74e5c094a98c608f162e9eaaf514c34776dd8a854af82b427baddc3b8f7df58c62466

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\{DD532823-7817-48BA-8A60-5F427B583867}
      Filesize

      4KB

      MD5

      87bd4ccd3a2bd705c06a4c3177ab34f1

      SHA1

      8cccb791724e71d4ed291e51b7575b6dd20c3ba4

      SHA256

      b879c3413259f1fd32da996c073e59b00f9214860b8b683dd09edbd14a37c585

      SHA512

      1964342d0d88855c708523603ab1922c633f7471e9310edafd7ca2c5d66599f85ff0c48e525a3195331ee31c22a4a494b3a8b5d985d786a80b6e68dc3aa7e5ef

      Download Submit

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

      4KB

      MD5

      9829ecc42fb0c86d75a8b821d0a0b89f

      SHA1

      3c7cf935e53fb54f4c8215969f06d87604669627

      SHA256

      ae26e711732b31f82617fe429e64f61f8bebd182b4b9e88c283f5bd4c5323426

      SHA512

      81cbfa6d6529f28541e574625cb77a044d628974884d78e45c9ca7196b5e689c7c4abd394cdb26b0198e221614040b01deca0da1484606b340ebdb6bd181c75a

      Download Submit

    • C:\ttchH9kiR.README.txt
      Filesize

      343B

      MD5

      72b1ffaeb7de456483f491ecceadb088

      SHA1

      ee1953abc295245ab01f35a4a823883826bf2b41

      SHA256

      eb892eac9899b995047733bb17acd4945eb42b7b49f2ee8ad52b8026bc0297a7

      SHA512

      c0e7cad617cf1490bb25fc47936edc3ae164b190ed34f2d2a50e7e84ce6e0d6712a6ba9ab351cca1589266078326a00317516c53fecf96f20eaefe15e92ce445

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-1302416131-1437503476-2806442725-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      1b0a8407671a30c7d648617432dbaec8

      SHA1

      b38a29d6c47e7f15bc5764eab590f1b93202756b

      SHA256

      a05be0795ced1713fc0183060152376517b0dc118ed1fcf515047641c3ea9169

      SHA512

      c84a9ad63283ee685536c5005985e4e1382b040e8b3a74b4052e242db3755a7822ea78387c0feb17d811706be864941f9a31b5dc186f8c1855039bdfe79b1732

      Download Submit

    • memory/3272-0-0x0000000003350000-0x0000000003360000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3272-2973-0x0000000003350000-0x0000000003360000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3272-2-0x0000000003350000-0x0000000003360000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3272-1-0x0000000003350000-0x0000000003360000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3272-2972-0x0000000003350000-0x0000000003360000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3272-2971-0x0000000003350000-0x0000000003360000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4632-2986-0x00007FFF7D130000-0x00007FFF7D140000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4632-2989-0x00007FFF7D130000-0x00007FFF7D140000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4632-2992-0x00007FFF7D130000-0x00007FFF7D140000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4632-2993-0x00007FFF7D130000-0x00007FFF7D140000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4632-2988-0x00007FFF7D130000-0x00007FFF7D140000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4632-3022-0x00007FFF7AF10000-0x00007FFF7AF20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4632-3023-0x00007FFF7AF10000-0x00007FFF7AF20000-memory.dmp

      Filesize

      64KB

      Download