Overview

overview

10

Static

static

10

2024-09-12...de.exe

windows7-x64

9

2024-09-12...de.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    147s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2024 00:24

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General

  • Target

    2024-09-12_b21c2852af7dcd9ace66706377ba9c78_darkside.exe

  • Size

    146KB

  • MD5

    b21c2852af7dcd9ace66706377ba9c78

  • SHA1

    60ff856d7d54cbbd260c686bb91550187095e58a

  • SHA256

    aa7a61aeaeee53231fd2a8473895cbb2810baf9cd78ea3db6a984b03bc5eb68b

  • SHA512

    4307461cf0790acda6705aaefbf7330c425ea25f944166d3ba8c19809fe03953a552e35c5f95300b9aad8d227430bd173b568d51abbf6d296b964efcffdd07eb

  • SSDEEP

    3072:T6glyuxE4GsUPnliByocWepHUWKL10B17:T6gDBGpvEByocWeJ6IV

Score
9/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (589) 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\2024-09-12_b21c2852af7dcd9ace66706377ba9c78_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-12_b21c2852af7dcd9ace66706377ba9c78_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:1284
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:316
    • C:\ProgramData\B8B2.tmp
      "C:\ProgramData\B8B2.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:4860
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\B8B2.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4488
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:2204
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:936
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{B84DB549-20D7-4210-BDB0-7434565C717B}.xps" 133706607065440000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:4960

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-656926755-4116854191-210765258-1000\HHHHHHHHHHH
      Filesize

      129B

      MD5

      650463a1880e8aa40ffa9d951b378adb

      SHA1

      654e156ae3a54b471c7d69dc9863b0da35305304

      SHA256

      64a7fe22bed009deb8bca1cea863211b71f0442f9b2b148442128fad816f8721

      SHA512

      f747bd089ccfb33757471091be9c81db32da60e3a035e562fff5cd3fcfbde98803b554d30cd73055c0e1d409f4a868d12e8415357a40e0692766fb1c9b7d507f

      Download Submit

    • C:\ProgramData\B8B2.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

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

      146KB

      MD5

      c35c4b41e786e2d250f28b12137edc57

      SHA1

      9bde9b935298cc580d04af0057ddc2b7d5ff753a

      SHA256

      07a64c84eb87ad54704c0c88bb17ad6d4b7c1c5302e399e7a9ff62e5903eb09a

      SHA512

      ae7f8fc0c26b0bffb4e51849598701fc701c1247ef1beae7039d215daa00996f3299553ac48e49c7732aa2107ab9763442f6eb31eb84c6f7f3d250ed027dce30

      Download Submit

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

      4KB

      MD5

      99d6c4f2fa191bba507f40136a46efec

      SHA1

      202ba3e9f2258b76faa5f73eac26eeee2dfa5346

      SHA256

      281c7ed2af6b0d05cf9c9cca9460d20940a2f16cd1c6df240382eac0b54ba05c

      SHA512

      2c1d10a6a67c242d1d786d9bfad895c6be6f853e07a37e9324d66f28d5649acb2b5c75c47205155cc37f3a820a0a914d57f4a1574d3f9a9ee68568128c877186

      Download Submit

    • C:\fjTsbCI2x.README.txt
      Filesize

      343B

      MD5

      72b1ffaeb7de456483f491ecceadb088

      SHA1

      ee1953abc295245ab01f35a4a823883826bf2b41

      SHA256

      eb892eac9899b995047733bb17acd4945eb42b7b49f2ee8ad52b8026bc0297a7

      SHA512

      c0e7cad617cf1490bb25fc47936edc3ae164b190ed34f2d2a50e7e84ce6e0d6712a6ba9ab351cca1589266078326a00317516c53fecf96f20eaefe15e92ce445

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-656926755-4116854191-210765258-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      00aac1b1d67e337e167451555136a19e

      SHA1

      ea27ee37bee8c8bb8c1b755e218e709f59478ae9

      SHA256

      3e9a3586139a8e2832944e5ca696878ece3e95f39a6bbb7f89fdb781155aada2

      SHA512

      085af193a6594fff870aec46760c1d7b0192385ea89cfd55dc3fbf4739faa48c980196d227dd0c1e76c45a71e7811d985db27eab34e66fc91f18f8bbeb6afec2

      Download Submit

    • memory/1284-2889-0x0000000002910000-0x0000000002920000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1284-2890-0x0000000002910000-0x0000000002920000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1284-1-0x0000000002910000-0x0000000002920000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1284-2888-0x0000000002910000-0x0000000002920000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1284-0-0x0000000002910000-0x0000000002920000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1284-2-0x0000000002910000-0x0000000002920000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4960-2907-0x00007FFAACE10000-0x00007FFAACE20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4960-2906-0x00007FFAACE10000-0x00007FFAACE20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4960-2905-0x00007FFAACE10000-0x00007FFAACE20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4960-2909-0x00007FFAACE10000-0x00007FFAACE20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4960-2910-0x00007FFAACE10000-0x00007FFAACE20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4960-2939-0x00007FFAAA720000-0x00007FFAAA730000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4960-2940-0x00007FFAAA720000-0x00007FFAAA730000-memory.dmp

      Filesize

      64KB

      Download