Overview

overview

10

Static

static

10

2024-08-19...de.exe

windows7-x64

9

2024-08-19...de.exe

windows10-2004-x64

9

Resubmissions

19-08-2024 02:08

240819-ckmz8ssapl 10

19-08-2024 01:29

240819-bwmyyazelq 10

Analysis

  • max time kernel
    249s
  • max time network
    206s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-08-2024 02:08

Sharing

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General

  • Target

    2024-08-19_f24e4d221c73ebf1c2fb12d15c13fde9_darkside.exe

  • Size

    145KB

  • MD5

    f24e4d221c73ebf1c2fb12d15c13fde9

  • SHA1

    019ef3cbd70a0c4e3ea5c45ec4afdc28a655ed81

  • SHA256

    4f006379bbd3a2b2611346595ce373595031177d7043200591d81150aefc8ee0

  • SHA512

    1508ebf2cba481eda06707d133b994932688d6d3be6c1373e9e88bf8c36a02331df31dc1a575b6e4ed8a160294c88ae8767115af16af94e51b1589bdeedd1629

  • SSDEEP

    3072:H6glyuxE4GsUPnliByocWepMIO/oULmUHI:H6gDBGpvEByocWeGy6

Score
9/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (617) 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\2024-08-19_f24e4d221c73ebf1c2fb12d15c13fde9_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-19_f24e4d221c73ebf1c2fb12d15c13fde9_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:3116
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:3460
    • C:\ProgramData\EA42.tmp
      "C:\ProgramData\EA42.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:4772
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\EA42.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3928
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:2396
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:4512
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{4433DE48-DAF9-4DBB-BBFE-A71AE55C2EC9}.xps" 133685069136160000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:3048

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      129B

      MD5

      8a4ed33ee3f7e2676156eec91c996d9b

      SHA1

      43becae86e191266a92fdc7a683f4621e1964435

      SHA256

      fddd8e3e02140714d8e919acb91c864ededd1a0635a541f8704c2c6865a92a64

      SHA512

      338a295fc57e3ea1329dfcbc39c069978496d8331074922e620dd7b2fd01a626cc791a9d93529e958f4c094841025d406b69b5c42cb57b581c45b078910e1275

      Download Submit

    • C:\N0IKX538u.README.txt
      Filesize

      19B

      MD5

      7edb66f1ed51a03a8b381c2307756c3c

      SHA1

      60fbdfcefe96843c077b66f7df2f89cbb3bd0312

      SHA256

      0fb417b326d101acbdbb29f1a10c8cfea19b6ce313c17f970ecbfd318c5015dd

      SHA512

      f65dc6c8a1494c267b217f562a6c98fa4b8d7ee9a77127d4062a6fba5e26879b9a4adb5649b3777d26f95ba491f29cde343fc4353e9ef6c8648ed51332a87dff

      Download Submit

    • C:\ProgramData\EA42.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

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

      145KB

      MD5

      09f305c8db53a983f0b401c4f862f1f0

      SHA1

      c1d555faeb641026e6ec9320efe07ee83abd763a

      SHA256

      ca11395f1e2611fa1ba9ab8b594b91886e4c859ad6f6d46a2ba9368a3ac479cd

      SHA512

      942218c3fea5952650789c99170a87a1854a42edef1bd672fbf79c70fb37c767619aa28a23a56f41cb8758c1338fc87d8e31046ed84982bad3ebb08a955f8e65

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\{256A8E05-4110-460B-85FC-4DABB5784700}
      Filesize

      4KB

      MD5

      34ac9f03b9f054ab1b33e68c8ff46faa

      SHA1

      ff294b43e018186993788c966e0fda865bc805ad

      SHA256

      55616621f8c1d9f68240c4c0806cb83fca94a209079ab81432a0656de5e8cc78

      SHA512

      069f85785f0c1396c481a003f48dd13d0654021389679604de4f11e6e0a31eda33ecef276ff5cbf63d60e0825c753f44aabada42da12c4d9b842deaf5af66ac6

      Download Submit

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

      4KB

      MD5

      6999214c0570d877be9ba23165faf96f

      SHA1

      6d1dc68f05b7a4184fa27766a6199f4040909242

      SHA256

      dda114d4044e7b72c6d13fbdd0587bcf47852968e161a4ed8dd3664baa4b3e92

      SHA512

      91e9a0da2bc4a69f15eb5e3c08164795a1f081ca5bac1a1c1b9d9f0ea1d03c9a3c89ce524a9302135559e8568c53f6a08f01f85c868c23c544d6af8c683b6dc5

      Download Submit

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

      129B

      MD5

      d0209c6781525bcd31bc2804af69c319

      SHA1

      21a957ab2310796d945e4c478f24edf0ee91535b

      SHA256

      febe66ba0d3bee1e34556414136a7d86da1ad573f524f4288adcc243484fccf6

      SHA512

      2e18eed17018126a2c7705cff29827250032b54e094d6097755f4357319cedebbf5355d566762047149bece888888ace8a2caff9e5238648f10a71b50221ac95

      Download Submit

    • memory/3048-3000-0x00007FFE32B70000-0x00007FFE32B80000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3048-2963-0x00007FFE35090000-0x00007FFE350A0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3048-2965-0x00007FFE35090000-0x00007FFE350A0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3048-2964-0x00007FFE35090000-0x00007FFE350A0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3048-2966-0x00007FFE35090000-0x00007FFE350A0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3048-2967-0x00007FFE35090000-0x00007FFE350A0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3048-3001-0x00007FFE32B70000-0x00007FFE32B80000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3116-2950-0x0000000002790000-0x00000000027A0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3116-1-0x0000000002790000-0x00000000027A0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3116-2-0x0000000002790000-0x00000000027A0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3116-2951-0x0000000002790000-0x00000000027A0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3116-2949-0x0000000002790000-0x00000000027A0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3116-0-0x0000000002790000-0x00000000027A0000-memory.dmp

      Filesize

      64KB

      Download