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
    148s
  • max time network
    138s
  • 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 16:45

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General

  • Target

    2024-09-16_3d9e193bd55d695d75784ed5522b4796_darkside.exe

  • Size

    146KB

  • MD5

    3d9e193bd55d695d75784ed5522b4796

  • SHA1

    a827c80f9d06f0c42c1e6ed1a8c5190b6fb75c27

  • SHA256

    22648105847b9b73b9b9803f0d1e2c1cfbfa4a3dd377ebbfb1e4955b71d4353d

  • SHA512

    40fea7887366c2d45b446c02a604d93427cb32de300f8cd3bce4b10eab91ac90254bfabe3eb61b526ce9ca3632c3c0b695e2056b4d1cc889a92a9e0209b9dfb1

  • SSDEEP

    3072:06glyuxE4GsUPnliByocWepWwPReYhRcb0gU5ug1Y:06gDBGpvEByocWe8wP9h20t5uw

Score
9/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (641) 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_3d9e193bd55d695d75784ed5522b4796_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-16_3d9e193bd55d695d75784ed5522b4796_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:1008
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:4572
    • C:\ProgramData\ACAC.tmp
      "C:\ProgramData\ACAC.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:2336
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\ACAC.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4068
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:4580
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1996
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{F8B635A5-2FAF-4CA5-AE15-AFC0B79A6E01}.xps" 133709787244360000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:3964

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-1194130065-3471212556-1656947724-1000\OOOOOOOOOOO
      Filesize

      129B

      MD5

      7a7eef0310102d94f5799cead7480c12

      SHA1

      1a63e6771fc5af792bcf4ab40492c1b12bbe4108

      SHA256

      6e9f139caac1a546ec5cf22442530334f13017676ada7426d147fa0a4e65a1e9

      SHA512

      5dc0818671e73339746e38734b9643f2d431def9389bab7da5844a573a86158c88d09c784f1988d6e8d55c2b18efafb6879e6c8051b5f3ac2b671e60b79e813f

      Download Submit

    • C:\3i0FdBV9l.README.txt
      Filesize

      343B

      MD5

      72b1ffaeb7de456483f491ecceadb088

      SHA1

      ee1953abc295245ab01f35a4a823883826bf2b41

      SHA256

      eb892eac9899b995047733bb17acd4945eb42b7b49f2ee8ad52b8026bc0297a7

      SHA512

      c0e7cad617cf1490bb25fc47936edc3ae164b190ed34f2d2a50e7e84ce6e0d6712a6ba9ab351cca1589266078326a00317516c53fecf96f20eaefe15e92ce445

      Download Submit

    • C:\ProgramData\ACAC.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

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

      146KB

      MD5

      c4890259c2b9530fcf0132b5e7008012

      SHA1

      afafcca412e3f5997d5b09b8cffa8d577da60c5f

      SHA256

      74a91e4cfb4b87e7143181b1e70b7dbca574df1872ebb9cb16565b7cd6b24b66

      SHA512

      32d701a05ca8b81044a33bd1ff149bdc8a7620381059231989ddeb66a54ce516b0012da66499a0f848afd5b2f3adf257d98273dece85c6eced5c348cf305dc8f

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\{2F468D3D-A85C-4A7E-AA98-185E0F0BE091}
      Filesize

      4KB

      MD5

      c2ae9115f915a865b690141ed245404e

      SHA1

      8fcaa2283592db94d16c8e01049b3b55aa2c22a8

      SHA256

      68279698f5d51acb0190a53b17f2b3e3afd7eb24d6ef24f113fc8bc5ed795d22

      SHA512

      f8b3dfefd9b42da02296f2d12d988c8f892e94b01357fe64cfa99097e8fb75f7e8a940ff2416982aaae80bf27fa7cec47538b8212c983536390b84bdf6b27ff2

      Download Submit

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

      4KB

      MD5

      1c18e913fa2423db0aae147050348733

      SHA1

      187def93a631951096383850e2dfa380ee4da5cb

      SHA256

      d27ce6d936bb1733da37e35d06c078874f94545472928302155557d1dabca364

      SHA512

      76bdbd7c395e46f20b29d564273d1b06f01bc6e43c8595023d83b6d65c7a75937360dea692620cbcdfc86dd891fb04153dd68e4a871c2e322e506df4bb88f615

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-1194130065-3471212556-1656947724-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      7c15c6319192ff2caffdf422d78839ba

      SHA1

      33dceab624b34c42eaa9662e3b77d5d78953c8f7

      SHA256

      1b26ad515e9b173680ad7c3815eb6cb662fcae40fa5c6e659bf184e4fb4d511d

      SHA512

      f18668209e1afdb676b40fadfb2446e2b504d3844f2f9e7be071bbf7f6dccee94269f2a7d1d0c09b3fc065cad1cbd69b35c08b8fbad5098d56b1a4e59cbc49f7

      Download Submit

    • memory/1008-2911-0x00000000030F0000-0x0000000003100000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1008-2910-0x00000000030F0000-0x0000000003100000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1008-2912-0x00000000030F0000-0x0000000003100000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1008-0-0x00000000030F0000-0x0000000003100000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1008-2-0x00000000030F0000-0x0000000003100000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1008-1-0x00000000030F0000-0x0000000003100000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3964-2932-0x00007FFCCE1D0000-0x00007FFCCE1E0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3964-2929-0x00007FFCCE1D0000-0x00007FFCCE1E0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3964-2931-0x00007FFCCE1D0000-0x00007FFCCE1E0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3964-2961-0x00007FFCCC170000-0x00007FFCCC180000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3964-2962-0x00007FFCCC170000-0x00007FFCCC180000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3964-2930-0x00007FFCCE1D0000-0x00007FFCCE1E0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3964-2928-0x00007FFCCE1D0000-0x00007FFCCE1E0000-memory.dmp

      Filesize

      64KB

      Download