Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29/09/2024, 23:32

General

  • Target

    Install.exe

  • Size

    954KB

  • MD5

    0252126bad05a1ea6ebe3042b1d177c2

  • SHA1

    9d98900389b76456817e149c779326a994538fae

  • SHA256

    6e25aee49ea9d544165f5d627f53cf0c6983200b2ccb5fa4497d3f32ca99c9dd

  • SHA512

    5fec36049fe76dc68ed5647142984512bbd394db2ba66dd326f6805e158e8814801bb5245cf9de46bc1cb916993813df811339ae3d3e7ed3f9f2bc98398446a5

  • SSDEEP

    24576:YU+9XNrenyktDLdYNtcdvQNC9wHAP5c1gfDrhKh:e5OVeyffXhC

Malware Config

Extracted

Family

discordrat

Attributes
  • discord_token

    MTI4OTg4NTE3MDM5MTk3Mzg5OQ.GznnVF.S0i0w8LmWps4VGMVMSSCViuDT3yKu23LSJGZ-c

  • server_id

    1289885435367002112

Signatures

  • Discord RAT

    A RAT written in C# using Discord as a C2.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 12 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Install.exe
    "C:\Users\Admin\AppData\Local\Temp\Install.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2512
    • C:\Users\Admin\AppData\Roaming\Microsoft\Install1.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Install1.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2924
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\C265.tmp\C266.tmp\C267.bat C:\Users\Admin\AppData\Roaming\Microsoft\Install1.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2916
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -command "powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath "C:\Users\Admin\appdata""
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2804
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath C:\Users\Admin\appdata
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2760
    • C:\Users\Admin\AppData\Roaming\Microsoft\install.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\install.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:680
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 680 -s 600
        3⤵
        • Loads dropped DLL
        PID:1684
    • C:\Users\Admin\AppData\Roaming\Microsoft\Install2.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Install2.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1640
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\C8DB.tmp\C8DC.tmp\C8DD.bat C:\Users\Admin\AppData\Roaming\Microsoft\Install2.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2848
        • C:\Windows\system32\schtasks.exe
          schtasks /create /tn "WindowsSystem32" /tr C:\Users\Admin\AppData\Roaming\Microsoft\install.exe /sc onstart
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2952

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\C265.tmp\C266.tmp\C267.bat

    Filesize

    172B

    MD5

    8a256c0fc1a0635b2b02efcbfb61c4f5

    SHA1

    031642509b162024186142705b1f8552d733c6e1

    SHA256

    6c2d5c39c697ef3fbeea92bd708680f9c2c3539405a66d7149627b1fb710cc36

    SHA512

    ac1566dfbe52db372cfecb35d7346937e33d028c366f3ec94f55ee38580c7f3a17350447b5b6c8a1bccfab0327901325ef9f0d8d29a2071715e66cc4db854403

  • C:\Users\Admin\AppData\Local\Temp\C8DB.tmp\C8DC.tmp\C8DD.bat

    Filesize

    128B

    MD5

    dc8f854187f22ffa2fb1b7233fe05c78

    SHA1

    1ac680c09fb40f005fd6f2bc5320bdf910cbbe35

    SHA256

    47134ba4d814e10b64f123bd4e4bb6807e41f72a214c25e657f492db4f673cc1

    SHA512

    3b8348bad8d1ef8421bad057bb2542241f1af79d4eba12a6c26bfccf7fa7f438543859629c8c946bb88146fe7396350ad5b15c2493577a609086c536f1779d3d

  • C:\Users\Admin\AppData\Local\Temp\CabBD1A.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarBE07.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Install2.exe

    Filesize

    119KB

    MD5

    374eac988a97adaa4c63c241c532be72

    SHA1

    8acb363196482e366aac360f683c9c23e85b3b81

    SHA256

    6b13045a1f24ea7b11e569c9f9b1684ee8f86b130522839147dc0b52c727d12b

    SHA512

    6161548d45ea7aee5618434eb1199ee64a3323c04bb0e477cb824deb454123061714821b65bf5c9c2cce7a029ccb3e5b553298eef0874708f053f3676bfea0b4

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    7KB

    MD5

    12739132158ace4535f4c99ba8f82fc7

    SHA1

    4e00806ad2dd078d66dbb3416bd926c8e6cfb1af

    SHA256

    856e7814fa4a255809740fd64c789fc097a233c52488bd7f267a9266196da445

    SHA512

    2dc367583231725dac52a3e258ed3dafbfe223f158d020f037c5249ab859df111ab693bf0766321651bff4deb3d3f845367958e296322766ee53f1819b9c89d1

  • \Users\Admin\AppData\Roaming\Microsoft\Install1.exe

    Filesize

    119KB

    MD5

    4e363799831f973a254e3e9cfe102bbd

    SHA1

    6c78fa37bf90554a78c651837f12121d326478c1

    SHA256

    f544b2bcffd9ea359e84d54b405ea99dd5568cfd476095e20ba10fbf70a1c3cb

    SHA512

    66196dc49d3ddd27b585273a441fafaa583f2d146019ffc5480f12acd7116450185c744668fd7b3b0b301063a938cd8d9b5798417a716c3b58f96bf0a867b3b0

  • \Users\Admin\AppData\Roaming\Microsoft\install.exe

    Filesize

    78KB

    MD5

    62e531fc823331011e05a0e0139a8260

    SHA1

    159a6ac300d1e8fd8a86e1f51c4fa31fd515d29a

    SHA256

    e065ddbc2eb6c25079010487d32e517bbeb6caf00c8bfff2b6eee23cbccf1574

    SHA512

    0d45d3a6d4fd8bd5de0a7a740ab97a720a2e0fbcc153bdaa296596d438dfed70f803d21786c9e654c04718a2d1164ecf4594498086ff1f5beac9dfbb9ee47394

  • memory/680-65-0x000000013F7D0000-0x000000013F7E8000-memory.dmp

    Filesize

    96KB

  • memory/2804-48-0x000000001B5B0000-0x000000001B892000-memory.dmp

    Filesize

    2.9MB

  • memory/2804-49-0x0000000002240000-0x0000000002248000-memory.dmp

    Filesize

    32KB