Analysis

  • max time kernel
    94s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 10:38

General

  • Target

    cred.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\cred.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4016
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\cred.dll,#1
      2⤵
      • Blocklisted process makes network request
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3388
      • 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:1416
      • 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\756129449312_Desktop.zip' -CompressionLevel Optimal
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1084

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\756129449312_Desktop.zip

    Filesize

    32KB

    MD5

    e74fd5ec66e0ffdc3e4a1daf9849e131

    SHA1

    e3905ad14c96624255933079ed38598cd13b62b7

    SHA256

    5ff3845b2df621d744ec4691ed061a1b591d9e74ad310aca6b818f865ac0a78e

    SHA512

    cef9d2798cac4658ea373d4b17b6568960fc3d49aa6984ff67a09ec782ebd63f312630309530d14ccf081deb5382036a9fb123f77f953a5af613945f282c2b48

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

    Filesize

    12KB

    MD5

    64acddf94a7427a6c30e2b1dd052be57

    SHA1

    c803c94bd405840affba99a797709ad3d9c83f28

    SHA256

    41ac4aa832849f1bdcba2ecdc762605492ec55821863b50cc7496b40a1b4f073

    SHA512

    3585f9c55c43bf042a43665ce4d2951e5892d5275d4089fa03b45351eff8abbbb64a37e211e1053e81287ec147bf55467bdc3782fbdefd2a016221686b90512e

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

    Filesize

    10KB

    MD5

    1d737aa12182e64921bf8e088822a365

    SHA1

    3e300edd06783c869a63b0d4c9df030eec7f80cb

    SHA256

    1eb1f93325d18875ca92fd833294be85e75899a4b64b395252eb8fa4fa1bf421

    SHA512

    6a855861a7f71c4e12c82ae037071427c15ba60f487f6a3d6b4f93317a089309dade2815f4c513c516144608cb14aa356b6e4d5f47d77d43b292339de964a84e

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

    Filesize

    16KB

    MD5

    2afd67233ac19a284dddd535f47455ab

    SHA1

    68b04295c77eed620201e4273e15580d84f3d4fd

    SHA256

    9942a9e3f6a3de8bead1a85996c688e02d4fd5abeba73bfa78bd6ad1db5c6c68

    SHA512

    7732bbeace39858ec03cad1b0b10c419c6fcbf027a40005f6f0d33419ff8529473cd2aa2cce58371df03b7e86a950a1a14d845f489aece56dc412bb4d76fcd58

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_o1jhrqar.rqr.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1084-3-0x00007FFD474F3000-0x00007FFD474F5000-memory.dmp

    Filesize

    8KB

  • memory/1084-4-0x000001F3C6630000-0x000001F3C6652000-memory.dmp

    Filesize

    136KB

  • memory/1084-14-0x00007FFD474F0000-0x00007FFD47FB1000-memory.dmp

    Filesize

    10.8MB

  • memory/1084-15-0x00007FFD474F0000-0x00007FFD47FB1000-memory.dmp

    Filesize

    10.8MB

  • memory/1084-17-0x000001F3C6660000-0x000001F3C666A000-memory.dmp

    Filesize

    40KB

  • memory/1084-16-0x000001F3C8BC0000-0x000001F3C8BD2000-memory.dmp

    Filesize

    72KB

  • memory/1084-24-0x00007FFD474F0000-0x00007FFD47FB1000-memory.dmp

    Filesize

    10.8MB