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Analysis

  • max time kernel
    94s
  • 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
    19/12/2024, 02:59

General

  • Target

    646ec8d518fbd50186a693b5ea82d1d32c4835b1525393c91e49c6529b48bfcf.dll

  • Size

    1.0MB

  • MD5

    89cb9bdb4c8e64b9bfe35de70d1a1b2e

  • SHA1

    4f69609a7d3f56373a0c0241e9cc4accf9075fc4

  • SHA256

    646ec8d518fbd50186a693b5ea82d1d32c4835b1525393c91e49c6529b48bfcf

  • SHA512

    caf926b756482ba8ea75613d6a51576fb085f0b6844afab2939ddb5b6356f84b6f2721f1982c5d29ae66d2ca5aa4a9ea62b8a8174f185fb94293ab1d97ab4438

  • SSDEEP

    24576:YNFxrUgNQWcPb72kXGWjVcwBlTd8DKT/VSMsCdTzHpgay3h:YNFxogmf2scG1Tzc3h

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 1 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\646ec8d518fbd50186a693b5ea82d1d32c4835b1525393c91e49c6529b48bfcf.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:432
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\646ec8d518fbd50186a693b5ea82d1d32c4835b1525393c91e49c6529b48bfcf.dll,#1
      2⤵
      • Blocklisted process makes network request
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1748
      • C:\Windows\SysWOW64\netsh.exe
        netsh wlan show profiles
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Wi-Fi Discovery
        PID:1512
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\_Files_\' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\350944739639_Desktop.zip' -CompressionLevel Optimal
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1784

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\350944739639_Desktop.zip

    Filesize

    40KB

    MD5

    d35471d1547a00e419c19ebd426e3e2b

    SHA1

    beba8a4de3d0227c898fb97f75428f8abb4b9d90

    SHA256

    06faa4d7735453f49224739b00dfcd7cb0e5c72d4837000e95d588f0f353b5d1

    SHA512

    5ce5fa053b3535035994a58dfe5a3ad342acc7ef4d9201f343ddc23f3e1971aac1085065608fa1623ad5d2eac716c04217362a6066e407eb17953fd56ac99a41

  • C:\Users\Admin\AppData\Local\Temp\_Files_\GrantDebug.xlsx

    Filesize

    10KB

    MD5

    a4c921859e26c1f01e57fac1fddf7d7b

    SHA1

    5b4e00246e4ccafabe15e89d1142eff6ec5c689f

    SHA256

    bdda9bb30712b2550484f2cef3902f1a1b3ed3520f5f93efadb0c3c4d2dc2965

    SHA512

    6dc6a05af7d8dfba0741ab350f31af467944892ce4007d1aab78cd64c681d031313f9ed831ee0c89d6863ceaeccd1383b8f804003ccc2e7aa10a1eafb316da28

  • C:\Users\Admin\AppData\Local\Temp\_Files_\ReadUnprotect.xlsx

    Filesize

    11KB

    MD5

    da562b78126c2b39fab8444b2c21255e

    SHA1

    4e0b0a150992ac1f542378e34a6acbd2e0da334d

    SHA256

    91bf74f64e7a61aff130eff7ff4fb0e40803009475d758f5349dc2de0115623d

    SHA512

    0769cc9f15a8047d55e01eeb5f0251cbfade9bf47107b9c760a724f3cbdb7e932a323df9aef060948de6bcd6eada77d10b2697524499a7865ea62fabdc26b57d

  • C:\Users\Admin\AppData\Local\Temp\_Files_\ResizeRegister.docx

    Filesize

    17KB

    MD5

    ff2c12ebbeca23e801d42aa59c364c96

    SHA1

    1f60a6713a7f7fd0e294316df2415726b131db8d

    SHA256

    fbf8b45e67e4ab15ce97e031dbce1c0eb9fa80fb2c34d1c44a32f948b90ddaf3

    SHA512

    34aea7d8c1ef599e2c35c522bbf6ba5aaf324c2e586f9cd2d55c99b9a8821141d8cfe683fe31404bc7a022bea0bc33abb4e68f286c02d1f957fffdd4ddec6583

  • C:\Users\Admin\AppData\Local\Temp\_Files_\TestEdit.xlsx

    Filesize

    10KB

    MD5

    b8e0e2e068ce7a25b9d94bfb7c64fda2

    SHA1

    6816e3049a752db8d11553877d59659d07c3d8b2

    SHA256

    0cfed7043d842d7f5630e7e3aea6c3e677614b36e681fb7597550dbe7b31beca

    SHA512

    1a319eaff5935a528a60be34a8ad81527c8a04597b212f665c9bed285792ad611c5c43229a088439424671f593f30ab54955803f83404893093d6f462acd0591

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mj2lopxk.czc.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1784-15-0x00007FFFA2FF0000-0x00007FFFA3AB1000-memory.dmp

    Filesize

    10.8MB

  • memory/1784-17-0x000001D667650000-0x000001D667662000-memory.dmp

    Filesize

    72KB

  • memory/1784-18-0x000001D667630000-0x000001D66763A000-memory.dmp

    Filesize

    40KB

  • memory/1784-16-0x00007FFFA2FF0000-0x00007FFFA3AB1000-memory.dmp

    Filesize

    10.8MB

  • memory/1784-4-0x00007FFFA2FF3000-0x00007FFFA2FF5000-memory.dmp

    Filesize

    8KB

  • memory/1784-26-0x00007FFFA2FF0000-0x00007FFFA3AB1000-memory.dmp

    Filesize

    10.8MB

  • memory/1784-14-0x000001D6674A0000-0x000001D6674C2000-memory.dmp

    Filesize

    136KB