Overview

overview

10

Static

static

10

2024-09-15...de.exe

windows7-x64

9

2024-09-15...de.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    147s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-09-2024 01:00

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General

  • Target

    2024-09-15_9975ff283711f64271dc5d2c8cfec6ec_darkside.exe

  • Size

    146KB

  • MD5

    9975ff283711f64271dc5d2c8cfec6ec

  • SHA1

    a664ea997937e6a2a8be82b210e4d38650af53b8

  • SHA256

    de458c5c1c0463584e98440fef6062ae3357f3a56068813333836b2d197214b6

  • SHA512

    cd9572666d65aa0a923448b084f1123a4a294053d79c62c3d1ea78dee0a732a111430accd5514fc8d9b6e2de54f89d1909243aaf53581f9f49ad698e4065e693

  • SSDEEP

    1536:NzICS4AwwRlcz5AxE4vGP1iU8KnliIs3iocZMgkGJp1q6eecHfXy8NrQfyFWLd7x:e6glyuxE4GsUPnliByocWep8aTL

Score
9/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (616) 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\2024-09-15_9975ff283711f64271dc5d2c8cfec6ec_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-15_9975ff283711f64271dc5d2c8cfec6ec_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:224
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:4308
    • C:\ProgramData\B825.tmp
      "C:\ProgramData\B825.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:704
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\B825.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3952
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:4700
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2480
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{44ABED40-1081-436D-8A30-666882915F69}.xps" 133708356453030000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:3416

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-786284298-625481688-3210388970-1000\EEEEEEEEEEE
      Filesize

      129B

      MD5

      6f4638953255e1b50be71d8e708a5ee7

      SHA1

      ca435e002cd0a9e65a627d624ffbb08e5d5f0c15

      SHA256

      c3f7a3a518d0c0afbcb02b978babde7c299bc31464cdb40574fe0ce0d6976bc7

      SHA512

      324c795f96834709a1eaac42104ff8b917fecb3c2094e3fdb5892f78ca6e2b91759d7dcfb34b992e8bd05ea30b0a02df5527e734a96f774053c10549de02e59c

      Download Submit

    • C:\ProgramData\B825.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

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

      146KB

      MD5

      6bbafbdb23c70fa12ef3b4f18ea60162

      SHA1

      fd8695576e053443267331502af9f0e39879ec81

      SHA256

      57ac51261c51fba0cb4e1ff3a760bf43bdf045eb7069e4db06b7c2951e554bb6

      SHA512

      9d2edcc78f5c0977ef31ed999fe4abfbfb4136e960d9050165709e01a91e71bb641ad8c44933b09e607aa754b3b5c3e6ee91aaf436cfe35da9f50e6db204c7ee

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\{0D96295C-535D-411A-A4A2-7D70CD014A2B}
      Filesize

      4KB

      MD5

      5aa8bb542ab28021f88be07bca69b61f

      SHA1

      93eaec582542ae34df5b03561ab7d13923bf23d0

      SHA256

      915845c70c5b0d3167a619986bb062cc3489f660488a909c4ad32b46ed262f2d

      SHA512

      9b1d09f76227b8098deabcdca7c5789dcfc2b4450f93614226dc789aa8327cba04cdd1ce8f6591c442a00b0b2bf38bda843c10188d83bf16f38ec31e614a4591

      Download Submit

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

      4KB

      MD5

      d9893774562521a153e889386ace2441

      SHA1

      97c95cfa906f9dfae96957f807a91bf3ad3adf6d

      SHA256

      3acb4888925136fa130656e43b88f4c49b96589f8214fb6bdf35814b2a049c1d

      SHA512

      491f897f5773b4cd4b438f3cda7b7f4a33d5771de1e29c2dc88872ea64f5d3ff9b3d1a57c39c1cf697c48f96df0195e37b5616d6cc79a955160ad31fed4baf94

      Download Submit

    • C:\lPX2S2HSk.README.txt
      Filesize

      343B

      MD5

      72b1ffaeb7de456483f491ecceadb088

      SHA1

      ee1953abc295245ab01f35a4a823883826bf2b41

      SHA256

      eb892eac9899b995047733bb17acd4945eb42b7b49f2ee8ad52b8026bc0297a7

      SHA512

      c0e7cad617cf1490bb25fc47936edc3ae164b190ed34f2d2a50e7e84ce6e0d6712a6ba9ab351cca1589266078326a00317516c53fecf96f20eaefe15e92ce445

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-786284298-625481688-3210388970-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      4fe345cd1db2bc151faf9f1a5ea38def

      SHA1

      e4acdf5ed866e02e1fd6de151345dd69119f33aa

      SHA256

      8a6eddad065d20da3bc937659f3139bb2d3a16733b16c843db079168a8f8ac8a

      SHA512

      0e172010777c980a5477ae1ce00bed47aa7303ea09538dd87f67ce1be99482d54b38ed90ebefedaeeb7284f7b11f3706e5d08778465461166a12b382d5d8a132

      Download Submit

    • memory/224-2868-0x0000000002B10000-0x0000000002B20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/224-2869-0x0000000002B10000-0x0000000002B20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/224-2-0x0000000002B10000-0x0000000002B20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/224-1-0x0000000002B10000-0x0000000002B20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/224-0-0x0000000002B10000-0x0000000002B20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/224-2867-0x0000000002B10000-0x0000000002B20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3416-2882-0x00007FF7FEC50000-0x00007FF7FEC60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3416-2889-0x00007FF7FEC50000-0x00007FF7FEC60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3416-2883-0x00007FF7FEC50000-0x00007FF7FEC60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3416-2918-0x00007FF7FC540000-0x00007FF7FC550000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3416-2919-0x00007FF7FC540000-0x00007FF7FC550000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3416-2884-0x00007FF7FEC50000-0x00007FF7FEC60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3416-2881-0x00007FF7FEC50000-0x00007FF7FEC60000-memory.dmp

      Filesize

      64KB

      Download