Analysis

  • max time kernel
    136s
  • 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
    27-10-2024 16:46

General

  • Target

    921b0badeaffee860310e6755769337e.dll

  • Size

    1.0MB

  • MD5

    921b0badeaffee860310e6755769337e

  • SHA1

    cfe2dfe5f457383e1723e4423e78620cc9fa8f91

  • SHA256

    c9914b4ab252e782b73ab0a3efad386444ba8a8059167adcb0675968da2df36f

  • SHA512

    2035442326a8e1f9733fef189cd135ce7b2dd22deda62d74e99ffd7eb83413487b91d72dba47f5512e4adcd45998ff5680a4b75342bba4c43d34186eacce1120

  • SSDEEP

    24576:KNFxrUgNQWcPb72kXGWjVcwBlTd8DKT/VSMsCdTzHpgaym9:KNFxogmf2scG1Tzcm9

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\921b0badeaffee860310e6755769337e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:540
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\921b0badeaffee860310e6755769337e.dll,#1
      2⤵
      • Blocklisted process makes network request
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:924
      • 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:1396
      • 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\878641211696_Desktop.zip' -CompressionLevel Optimal
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4444

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\878641211696_Desktop.zip

    Filesize

    290KB

    MD5

    56e8420544e694270ae57df892290d70

    SHA1

    33c724b071570991a40efeaaeaa7477ef56c81c4

    SHA256

    8adfb8a9a9840c80dcdd4b448e8a7a9f0bceb495005aebebe37e9188c44bfebb

    SHA512

    fa9a4c3f59eb998c92f92a3ba8020b18d654b552d9bcba4c50c52ca42c4a7e7b3c67c9c08ece14bbea7c0a2071de8ad624597225e3ddfae358e937ec96fbebbb

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

    Filesize

    14KB

    MD5

    0959505c756e4a90411959af06976394

    SHA1

    d7e1c654e1ef0344963ca06a6ae76917ec0538b8

    SHA256

    28a747f8f6f6ec46fd6431363a8b00f93089be6357c5cfa38691c86b6a761cce

    SHA512

    3820eeb7ba2ba0aa7bf24733ec589a9ca5a8509c11fc4b1e80c1ff1c7b96e14c6d2a20af497eb8d08bb0f2b930ff3ca4138004801a476557b7346189e109e25d

  • C:\Users\Admin\AppData\Local\Temp\_Files_\GrantUnlock.xls

    Filesize

    147KB

    MD5

    707fc2f47604860e71d5cbe886950b02

    SHA1

    cadcfa7605c33bfd53e647c432e2428716e284f5

    SHA256

    f7f5c943f7e990e8e0e692e55a2a8dc324f41cbe61d2b010a05a2978ace1fd44

    SHA512

    d24f2c80ec9b9a9a77fd392f329f5006b047686de976b3e3b71d8f9809c95d6367b9c5529880e841625970430df82c263c288df7cef63c70dc5b79733f992de1

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

    Filesize

    130KB

    MD5

    b89c1d2b412036667bb4e4c0ceb87d4a

    SHA1

    2fa90985ab89b1629febe5ed836bfd55c4480943

    SHA256

    67e7d9f4fca46cda56078ce3fa0ba374d8225b376a093e484abb858de2148cb9

    SHA512

    c717689bf796ff125912d9f30d7a763a11eb91bd9ab09b7201d687604f4cdba0cc1844c1bd7e26b2e3d9524ae1bf02d52319ee9519af0a0f357c120937c10e7e

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jhpetget.v3k.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/4444-3-0x00007FF989083000-0x00007FF989085000-memory.dmp

    Filesize

    8KB

  • memory/4444-9-0x000002CEF4670000-0x000002CEF4692000-memory.dmp

    Filesize

    136KB

  • memory/4444-14-0x00007FF989080000-0x00007FF989B41000-memory.dmp

    Filesize

    10.8MB

  • memory/4444-15-0x00007FF989080000-0x00007FF989B41000-memory.dmp

    Filesize

    10.8MB

  • memory/4444-17-0x000002CEF47D0000-0x000002CEF47DA000-memory.dmp

    Filesize

    40KB

  • memory/4444-16-0x000002CEF4B80000-0x000002CEF4B92000-memory.dmp

    Filesize

    72KB

  • memory/4444-24-0x00007FF989080000-0x00007FF989B41000-memory.dmp

    Filesize

    10.8MB