Overview

overview

10

Static

static

10

2025-01-13...de.exe

windows7-x64

9

2025-01-13...de.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-01-2025 03:22

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General

  • Target

    2025-01-13_23c5224d2d9dfdb43e238b2a807c9ed3_darkside.exe

  • Size

    146KB

  • MD5

    23c5224d2d9dfdb43e238b2a807c9ed3

  • SHA1

    cfb8440584ecb0bb5a4615078cc5341013e65d15

  • SHA256

    d93858aef7e77a3e740e328a2c50b645ee5cd9e8424d56fe41a622816adb4fac

  • SHA512

    669424b6ccef8235eb71351ded0aadc6f8f741a37ada95922ee0e3e79e7ee954b3aeca52be79e09d7ebf13dfc46429d5a79b57244e5886d005b7f655c3b89efd

  • SSDEEP

    3072:F6glyuxE4GsUPnliByocWepZxudgcjaJkokkFUc:F6gDBGpvEByocWeJ2c

Score
9/10
defense_evasiondiscoveryransomware

Malware Config

Signatures

  • Renames multiple (159) 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
  • 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 14 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\2025-01-13_23c5224d2d9dfdb43e238b2a807c9ed3_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-13_23c5224d2d9dfdb43e238b2a807c9ed3_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:824
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:1304
    • C:\ProgramData\CFF3.tmp
      "C:\ProgramData\CFF3.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:4656
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\CFF3.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1116
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:4552
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1628
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{9F73A805-140E-4A89-8A14-F4B7C445AD24}.xps" 133812121526150000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:5000

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-493223053-2004649691-1575712786-1000\CCCCCCCCCCC
      Filesize

      129B

      MD5

      e08e589a39d95077554017b762bba4da

      SHA1

      5173c61fc7c9b666a0eca365af6ef0949d0c382a

      SHA256

      26006966a92676156646dbf5c52be3a1ab02ea45bc32d021f6ca3dafee033813

      SHA512

      f6a230322e2aeb5e5fe7c8ce5bf73864b64d824bad8d15567a16abd193f8cb683ab2d1cd51c621836970a5ffd73375fee82303842d68cdab4c4e78eb194d9311

      Download Submit

    • C:\ProgramData\CFF3.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

    • C:\ULENlzuxh.README.txt
      Filesize

      463B

      MD5

      6f7db6bb7b29b288b16771cd09f495e6

      SHA1

      ab4c0ef134b8c4fefa75acd18c5f88d6c6870b58

      SHA256

      95d26fea78a10ee5d82d4de5e16bba8077ef038139b3c0fcf7519f2b4c813518

      SHA512

      8ce9df614eae8036043d85d9c3e36d0d0e464e6d3ae288afd6ad538722ef4e48d8910cd2bf34004f7415a6c894654f03fe0f2eb3ffea67e333351818b2d5edd9

      Download Submit

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

      146KB

      MD5

      f022fbfe38a87b76f13c057c27483d11

      SHA1

      9d5896c30d574dfbf20d8d3509d232c16c015027

      SHA256

      a98c6e0d5a621fda471f39f63d13976a04405221ea2e682b7b4df51985787a59

      SHA512

      d39a88753d6a626f64fb8a00ee224d1fdc35afd5fae89d8834203b9f3cc833b3c67e8fe966e8ac8b40920d85e8f641fac00759cfe6e3b2e1a19740f9c25dae6d

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\{405D55BF-0926-4AB2-A3AE-FBF65C943420}
      Filesize

      4KB

      MD5

      4a4e92811eaf050284932c19d8f70740

      SHA1

      c097f45c431801a210ddd334f4634970259b98e7

      SHA256

      2d6b1d802bc4dc6e88f1180fc6038fbc8d98f711355d1646cba9fcfc97bc8dc3

      SHA512

      74a722e30cf8b90b056fa9c8d59fb9a47860ce57f39a64f53433baa205f1de608ce917c07b0d47cf72fb2ef34b65ab289b00abd9191c94231845fa10e38f38a9

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-493223053-2004649691-1575712786-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      809458d3ec7abcd153f0aca24308b7e7

      SHA1

      93741ed1b430dcd239ba6b6df09a4f0927acbb15

      SHA256

      41d0a71fe25ae2ded702e9044aec8cd528412bf17b3e079fba7ce348a400613c

      SHA512

      375df109279c16a1149b5f48d7630bcb65f2184901694b25a0796492a569077d9103b6c050d00e6be64ebbc4bc0864ade2cd48e7829b56ec8841e2c67030e689

      Download Submit

    • memory/824-339-0x0000000002550000-0x0000000002560000-memory.dmp

      Filesize

      64KB

      Download

    • memory/824-338-0x0000000002550000-0x0000000002560000-memory.dmp

      Filesize

      64KB

      Download

    • memory/824-0-0x0000000002550000-0x0000000002560000-memory.dmp

      Filesize

      64KB

      Download

    • memory/824-337-0x0000000002550000-0x0000000002560000-memory.dmp

      Filesize

      64KB

      Download

    • memory/824-1-0x0000000002550000-0x0000000002560000-memory.dmp

      Filesize

      64KB

      Download

    • memory/824-2-0x0000000002550000-0x0000000002560000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5000-356-0x00007FF7FCEF0000-0x00007FF7FCF00000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5000-359-0x00007FF7FCEF0000-0x00007FF7FCF00000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5000-358-0x00007FF7FCEF0000-0x00007FF7FCF00000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5000-355-0x00007FF7FCEF0000-0x00007FF7FCF00000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5000-354-0x00007FF7FCEF0000-0x00007FF7FCF00000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5000-388-0x00007FF7FAA00000-0x00007FF7FAA10000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5000-389-0x00007FF7FAA00000-0x00007FF7FAA10000-memory.dmp

      Filesize

      64KB

      Download