Overview

overview

10

Static

static

10

2024-09-10...de.exe

windows7-x64

10

2024-09-10...de.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    91s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-09-2024 10:43

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General

  • Target

    2024-09-10_04e651e75deb8edc024b8295532f5d3f_darkside.exe

  • Size

    146KB

  • MD5

    04e651e75deb8edc024b8295532f5d3f

  • SHA1

    d8660e404e98db706ae3b74fbb04d08a2ac7130b

  • SHA256

    3934455289f9b1a4d37c785c89e8c177c58e20406e6f1a825b3b2ae19d665da2

  • SHA512

    b1b46d0fb381ecb15aff708c0751cff95992b15d897602cc119590f6c1ce13b2e88b8c862dfc1e8bdd8c7b96a5eb3bb0eafb2f3b0a2e8485dd2257888cb19b6f

  • SSDEEP

    3072:mqJogYkcSNm9V7Db/aSG5HF5v5pANOhKT:mq2kc4m9tDvQHF5Xt

Score
10/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Extracted

Path

C:\HdbtqCuyh.README.txt

Ransom Note
[Your Files Have Been Encrypted] Hello, Your files have been encrypted with strong encryption algorithms. To regain access to your data, you need to follow the instructions below: Do Not Attempt to Recover Your Files: Any attempt to recover your files using third-party tools will result in permanent data loss. Pay the Ransom: You must pay a ransom of 1 Bitcoin to receive the decryption key. Payment must be made within 72 hours to avoid data loss. Contact Us on Telegram: To get the payment details and further instructions, contact us via Telegram at @BIBIL_0DAY. Decryption Key: After payment is confirmed, we will send you the decryption key and instructions on how to unlock your files. Warning: If you do not contact us or pay within the given timeframe, your data will be permanently lost. Do not attempt to contact us via any other means. We will not respond. Your encrypted files are your responsibility. Telegram Username: @BIBIL_0DAY

Signatures

  • Renames multiple (581) 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
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 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
  • 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\2024-09-10_04e651e75deb8edc024b8295532f5d3f_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-10_04e651e75deb8edc024b8295532f5d3f_darkside.exe"
    1⤵
    • Drops desktop.ini file(s)
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2728
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:5084
    • C:\ProgramData\A019.tmp
      "C:\ProgramData\A019.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:2932
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\A019.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4592
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:456
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:4884
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{CAA9395D-7081-4C73-A99E-01FA3FAFA603}.xps" 133704386056970000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:3248

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-1302416131-1437503476-2806442725-1000\BBBBBBBBBBB
      Filesize

      129B

      MD5

      0cd2fb1cfa0662df09e3acb99f83f74a

      SHA1

      08c6a6d9b89f9b52bd34a903f74f195ac9e096fc

      SHA256

      a9442981f20af56668adc52b97f14cd43159d625ed530404e9d2a29bc90010a6

      SHA512

      ddef27dcc28de07eb2dea5339f25dbb21d660c215f5ac7ef16899a7a8690814732a63cbd529eacaa0668b9da3e9fd94657ba34f693dbce785833725db4b35134

      Download Submit

    • C:\HdbtqCuyh.README.txt
      Filesize

      980B

      MD5

      751940dccf55d21d7dcb7b8e614154d9

      SHA1

      5ef19237b4aaede4e95992356b2ec1481c1d8253

      SHA256

      875eafed5ef1785ec9cbd071d039aea59a1cfee0b62a0105d9b57118860ceac5

      SHA512

      afcfb8806c17fcdf1e1160a92719a79617ce4c4f6339c412bfaa3cfade6d290e2ecc936bec9f30b631ecef304744caa2e2a1a3f89e4e4e0f705fe6882e3236ce

      Download Submit

    • C:\ProgramData\A019.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

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

      146KB

      MD5

      e7dc04a038bf056ebfb6b2420fd4310b

      SHA1

      9951d88433a5f931599ad3120e236121790c5289

      SHA256

      51df8c3bbf155ba8dfd2af8a3871fa8b5f0b2b844af5bc2e07bceb23ee43c2e9

      SHA512

      bcef84562f6baf07808a99c132558b90987d358d08f7d5ccaab0bf181a50391880c7ebd9468e35e6b39c149511c0476c610cfcfcd3fde65c57641b5283256e75

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\{403C5AF5-100C-4302-8489-15F3399F7183}
      Filesize

      4KB

      MD5

      d95b7f58b739ec1aaa7a4630bcf06efd

      SHA1

      18af667729604dacf4507e27a634b4e0039f2a9f

      SHA256

      cd0cba4f8fb928b42d8f8911bb0bc88b10dae556fe83d021c07f4d52b2ea0e67

      SHA512

      5a20e00cf0c82cb45c14919ae5b911e5c5695548288189ec60ae5b4582b78c6e86bca6f616b2db27323e8fb6b0438b312ad61dfb7bb111b4f7808b79c393f417

      Download Submit

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

      4KB

      MD5

      67fef4e9a77738e6042accc74f49ead5

      SHA1

      b852c1eb5160fe3e4dfc6e1734283128929ffef0

      SHA256

      18d3fabf7f61c0a91ed1fec073dac7d1fcacc119e1c1de8a05979e22b28e3f0d

      SHA512

      886f4e317e1c9856ce86f866c02a2fb2ed595175342c9a5ae87b9ae7e440605989d2c039e08289ebef34deeff6748db81da9cdd1a3acdb4534ff03c4cfe3a983

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-1302416131-1437503476-2806442725-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      d642b2c1b736bdac46b5b579a4ce4a56

      SHA1

      2b3dc14842350bdc588a6ac8943995c3365574cb

      SHA256

      cf7f7e188fbda7806d8f387719fa2a440a4410941971966614a300fe5b54909d

      SHA512

      6b66a462aba5f94bb63da04fc4acda4f4ccf643036b1ccf0606d1732b8622a99c420c378debf02d2add5100e4b645ad077bd1614dd952bbe70db96e659ecffc0

      Download Submit

    • memory/2728-2761-0x0000000003090000-0x00000000030A0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2728-2760-0x0000000003090000-0x00000000030A0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2728-2759-0x0000000003090000-0x00000000030A0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2728-2-0x0000000003090000-0x00000000030A0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2728-1-0x0000000003090000-0x00000000030A0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2728-0-0x0000000003090000-0x00000000030A0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3248-2781-0x00007FFDBDF50000-0x00007FFDBDF60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3248-2782-0x00007FFDBDF50000-0x00007FFDBDF60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3248-2777-0x00007FFDBDF50000-0x00007FFDBDF60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3248-2809-0x00007FFDBBCB0000-0x00007FFDBBCC0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3248-2810-0x00007FFDBBCB0000-0x00007FFDBBCC0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3248-2778-0x00007FFDBDF50000-0x00007FFDBDF60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3248-2776-0x00007FFDBDF50000-0x00007FFDBDF60000-memory.dmp

      Filesize

      64KB

      Download