Overview

overview

10

Static

static

10

2024-09-14...de.exe

windows7-x64

9

2024-09-14...de.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    147s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-09-2024 07:52

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General

  • Target

    2024-09-14_9cdb2bbdd9de55d1f79c4999dbe51655_darkside.exe

  • Size

    146KB

  • MD5

    9cdb2bbdd9de55d1f79c4999dbe51655

  • SHA1

    f6112548b684898fa2b0bbe4e1cd172455600cb0

  • SHA256

    a9529a8df8a4e970e663bdd3e279303461d3bd4d952fa8a435b30bd70f130e91

  • SHA512

    2850a869b0119b4bcb8c921f0b7e685f4e35a76830f4c05995b8c5535d8b0c3cf3eca4e7b878640b951e7d73e32c09d942ce40e05478d6e24a2f5ea958d59f35

  • SSDEEP

    1536:VzICS4AwwRlcz5AxE4vGP1iU8KnliIs3iocZMgkGJp1Fhheye7Shd8l/Sx2G1oa:26glyuxE4GsUPnliByocWepnexSsl82

Score
9/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (619) 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\2024-09-14_9cdb2bbdd9de55d1f79c4999dbe51655_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-14_9cdb2bbdd9de55d1f79c4999dbe51655_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:2388
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:3832
    • C:\ProgramData\BE21.tmp
      "C:\ProgramData\BE21.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:4952
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\BE21.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2136
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:1168
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:3148
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{F6DF9DBF-70F7-4D1A-9EC8-A73113A43992}.xps" 133707739603450000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:5116

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      129B

      MD5

      924fdfac1899dade7db74b0e3bc6fd3e

      SHA1

      d94ff03b790aba8a09fee5c40f86c1d0bd20216d

      SHA256

      4aee79d07675fcfc2d94899f246de41694fdb8e23b3f71ae3d0ff393bf527289

      SHA512

      1d580cf23b22560db51e1fb9be6f5d7f3c476eed933899ab7cc2ff0a21c733d7660b5edc8b48133e06b40ea0282e59d2c7b7dabf75694c2e1051c23f5a054ca3

      Download Submit

    • C:\ProgramData\BE21.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

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

      146KB

      MD5

      5a6d8c342ee57e64492d87a4961a3e2c

      SHA1

      c77d30ac1612f727d76beef8ab97897b9218c018

      SHA256

      97cf0ef5f3600dfebe6686591794f9ab4116bcd9ce96a47f2f5eeb431135d3be

      SHA512

      807426e938ed802e7e882c330179f0bd4d627076bec50a2843470fc3a300fdcad905a83e3774af4430b73def234a9839f157510923455384699bd4820625bfc9

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\{2B06093E-6D51-4892-9E88-02A80F5AD6A7}
      Filesize

      4KB

      MD5

      6cafef5a2e98f726c28a1e704f90c707

      SHA1

      7c4ea3487146664f795aa829e1c28f84e10b756b

      SHA256

      80d4715b7d12634b616c9a6bf6ea78c25903c5944eaae13aa21b5f322444d48b

      SHA512

      278bae34b6e765f68b170e41bd97c0457eee1930e33a96bdf9eb557343808106ddd3ce8edd63e3a85d081760d01815f1d1377f8d631e200cdb1623da935dcf2e

      Download Submit

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

      4KB

      MD5

      e04b5140c17bcb7de2c2bdf0a815473d

      SHA1

      30db571c71b5a7acd01452d7b39a9116c0baad6c

      SHA256

      9089ca31ecb432fe62d3ebed0c544b06dc32617b0f6e277cc8599c4a3dea47aa

      SHA512

      1f70db043cda1799cd17c66637f569cd0b69f57db22579a3d837d32dc2543c525f65f59abda8a9d0a4486ffa87967f03cc7acfc3b1bae4443f79c97368d83a10

      Download Submit

    • C:\VDDUnR1a6.README.txt
      Filesize

      343B

      MD5

      72b1ffaeb7de456483f491ecceadb088

      SHA1

      ee1953abc295245ab01f35a4a823883826bf2b41

      SHA256

      eb892eac9899b995047733bb17acd4945eb42b7b49f2ee8ad52b8026bc0297a7

      SHA512

      c0e7cad617cf1490bb25fc47936edc3ae164b190ed34f2d2a50e7e84ce6e0d6712a6ba9ab351cca1589266078326a00317516c53fecf96f20eaefe15e92ce445

      Download Submit

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

      129B

      MD5

      37a66afd2c9206bcf5d8b3dc1acb021b

      SHA1

      6d9841d60ba8e3b762149bdf5274670e45c41462

      SHA256

      46c6ebdb82cd0681902dd53a690c46907351cb6ce646a55a2052c4cf325d7924

      SHA512

      d8ef48ac2c5b6a4f2f0dfb5c8c4d4dda55379b9c85be5959465ce61cf0d45c047abf673b49ea86919644cafa19149247229410bb38151ebe8a77a612771dde70

      Download Submit

    • memory/2388-0-0x0000000002C70000-0x0000000002C80000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2388-2821-0x0000000002C70000-0x0000000002C80000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2388-2820-0x0000000002C70000-0x0000000002C80000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2388-2819-0x0000000002C70000-0x0000000002C80000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2388-2-0x0000000002C70000-0x0000000002C80000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2388-1-0x0000000002C70000-0x0000000002C80000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5116-2833-0x00007FFD19210000-0x00007FFD19220000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5116-2834-0x00007FFD19210000-0x00007FFD19220000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5116-2835-0x00007FFD19210000-0x00007FFD19220000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5116-2858-0x00007FFD16DD0000-0x00007FFD16DE0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5116-2871-0x00007FFD16DD0000-0x00007FFD16DE0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5116-2837-0x00007FFD19210000-0x00007FFD19220000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5116-2836-0x00007FFD19210000-0x00007FFD19220000-memory.dmp

      Filesize

      64KB

      Download