Overview

overview

10

Static

static

10

2024-09-18...de.exe

windows7-x64

9

2024-09-18...de.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    147s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-09-2024 23:21

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General

  • Target

    2024-09-18_fa7dc4c2263227936ec13d9086ab35aa_darkside.exe

  • Size

    146KB

  • MD5

    fa7dc4c2263227936ec13d9086ab35aa

  • SHA1

    f6ebda1c5b4ed7c1048a89f4fcde70ed12c3f302

  • SHA256

    914efa089dcb98c5a81f548fa4e8769ef1d8abbcd891a25812fa4771aac24d4a

  • SHA512

    712113a7a690254c9bf79496d4220daf4828c284f434c3bbbf61cb55dd625fce327dff15025daa24ecc18634b81380a920dc4640c7009ee482b1962b11cb2fd7

  • SSDEEP

    3072:q6glyuxE4GsUPnliByocWepccEte6HsR0XAN1n:q6gDBGpvEByocWeicMg

Score
9/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (646) 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\2024-09-18_fa7dc4c2263227936ec13d9086ab35aa_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-18_fa7dc4c2263227936ec13d9086ab35aa_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:5616
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:1736
    • C:\ProgramData\44D5.tmp
      "C:\ProgramData\44D5.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:5752
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\44D5.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3152
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:5560
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2596
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{232F09B3-E798-4941-9E51-4E1A7A6E04C5}.xps" 133711752781060000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:5292

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-4182098368-2521458979-3782681353-1000\RRRRRRRRRRR
      Filesize

      129B

      MD5

      240e015aa222153162b1f3904f2118c1

      SHA1

      c91c2c67c588b85ba2b547e064fa8120d8d459f3

      SHA256

      5bc9d98afd898fa5595943ceb5814e169037a7cafc4f18d66924140a50e5bd21

      SHA512

      1533b541f24f312c93a336677837ac9ceb6ae6def898f0c81280471a51995338a809cb0ed2a9e5c4cfa48e8e989acb927ea43878c91c2bb7e493f042790123c6

      Download Submit

    • C:\IdCxsG00Z.README.txt
      Filesize

      343B

      MD5

      72b1ffaeb7de456483f491ecceadb088

      SHA1

      ee1953abc295245ab01f35a4a823883826bf2b41

      SHA256

      eb892eac9899b995047733bb17acd4945eb42b7b49f2ee8ad52b8026bc0297a7

      SHA512

      c0e7cad617cf1490bb25fc47936edc3ae164b190ed34f2d2a50e7e84ce6e0d6712a6ba9ab351cca1589266078326a00317516c53fecf96f20eaefe15e92ce445

      Download Submit

    • C:\ProgramData\44D5.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

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

      146KB

      MD5

      c585e29c106f58a569eaf030de3e74c1

      SHA1

      c5d4f3a3ecee9f503f60bcee9c1ec2053a1104ab

      SHA256

      a0b6b00cc8133bfd80425785cd505c1777a8f5ed7d19d0dc5c54e00a60575d5f

      SHA512

      5e2168d889bc29740c1f99fac23d7b214d288379dbc7491116885dd67e7dcf9dee6edb4c901e403e708aefd1ce292c7839d48fcb062a481d7fbc252252f9219e

      Download Submit

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

      4KB

      MD5

      4308607f174dc2d0b5f13f99d75f3cd4

      SHA1

      768c517d1d338e1ff6d5fb9293a3dda9a5986378

      SHA256

      7046ef25c6ee090808350ff53b3a8ae45b756ec1f8e90102c3854176a4fb432a

      SHA512

      40f73490f198f5be3e92cac5d2b47c9aefdd3a658579fe9d766241f2a4938a7bdc7c5d1c740cfa6f3e6e93d23c30872ec31aa04c346e6e06f063754e9ab2002e

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-4182098368-2521458979-3782681353-1000\EEEEEEEEEEE
      Filesize

      129B

      MD5

      09e5f21e7cd8fb66cac38bcfc5aa5dc2

      SHA1

      059d581feafce602bd2469f4e0ee0c9dd7c8cdc0

      SHA256

      04ee0fa557b237f434627f91420c9d6fe4bd50ae02a9dd14ffb93d695442a73b

      SHA512

      3cf56912da2af4248d2805b4fb95f9bbc3e26dbdb1df6b5428d58f0631438872b9a83123d34ad9d80f40d673bcf970740c449438449cda28f001f04651e62173

      Download Submit

    • memory/5292-2967-0x00007FFA70010000-0x00007FFA70020000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5292-2962-0x00007FFA70010000-0x00007FFA70020000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5292-2964-0x00007FFA70010000-0x00007FFA70020000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5292-2966-0x00007FFA70010000-0x00007FFA70020000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5292-2963-0x00007FFA70010000-0x00007FFA70020000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5292-2996-0x00007FFA6DD30000-0x00007FFA6DD40000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5292-2997-0x00007FFA6DD30000-0x00007FFA6DD40000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5616-2946-0x00000000032D0000-0x00000000032E0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5616-2945-0x00000000032D0000-0x00000000032E0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5616-2947-0x00000000032D0000-0x00000000032E0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5616-0-0x00000000032D0000-0x00000000032E0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5616-2-0x00000000032D0000-0x00000000032E0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5616-1-0x00000000032D0000-0x00000000032E0000-memory.dmp

      Filesize

      64KB

      Download