Resubmissions

02-08-2024 17:51

240802-we61pstdlq 10

02-08-2024 17:49

240802-wege2stdjp 3

Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    02-08-2024 17:51

General

  • Target

    DiscordMulty/DRouter.exe

  • Size

    1.9MB

  • MD5

    4d978f4a830f374b5867f1ae53b08ffc

  • SHA1

    827b301d630a037a6559acc3b63612fded885767

  • SHA256

    a881c67a5ad97fed46616a1c219a4c70fffcbe3ec1f0c900747e2ba75131b143

  • SHA512

    f9339c421b5a8ee85358d0a4384ef3d203cb68572152f02c9610c4c371091d5c5caed5fde3a3c379ef3feaa2c86cc123e09596fb8862816ea60ae2d78d6a6091

  • SSDEEP

    3072:gq6+ouCpk2mpcWJ0r+QNTBfqcm2GvaDE:gldk1cWQRNTBS

Malware Config

Signatures

  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: CmdExeWriteProcessMemorySpam 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DiscordMulty\DRouter.exe
    "C:\Users\Admin\AppData\Local\Temp\DiscordMulty\DRouter.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Windows\system32\cmd.exe
      "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\B396.tmp\B397.tmp\B398.bat C:\Users\Admin\AppData\Local\Temp\DiscordMulty\DRouter.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:888
      • C:\Users\Admin\AppData\Local\Temp\DiscordMulty\lib\websocket4.pif
        lib\websocket4.pif
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: CmdExeWriteProcessMemorySpam
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1652
        • C:\Users\Admin\AppData\Local\Temp\DiscordMulty\lib\websocket4.pif
          "{path}"
          4⤵
            PID:2632
          • C:\Users\Admin\AppData\Local\Temp\DiscordMulty\lib\websocket4.pif
            "{path}"
            4⤵
              PID:1180
            • C:\Users\Admin\AppData\Local\Temp\DiscordMulty\lib\websocket4.pif
              "{path}"
              4⤵
              • Loads dropped DLL
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2628
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
                5⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of AdjustPrivilegeToken
                PID:3004
              • C:\Users\Admin\AppData\Roaming\Microsoft\ctfmom.exe
                "C:\Users\Admin\AppData\Roaming\Microsoft\ctfmom.exe"
                5⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: AddClipboardFormatListener
                PID:296
          • C:\Users\Admin\AppData\Local\Temp\DiscordMulty\lib\webhttp.pif
            lib\webhttp.pif
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: CmdExeWriteProcessMemorySpam
            • Suspicious use of WriteProcessMemory
            PID:1580
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1580 -s 548
              4⤵
              • Program crash
              PID:2896

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\B396.tmp\B397.tmp\B398.bat

        Filesize

        60B

        MD5

        a86dfd2e60123849d7dc67d6d2dc3a95

        SHA1

        fb87bf06e3d34e2dcaf4c89cf9098a8ce6548460

        SHA256

        e762f92531bc407f4fc7c443a0474343b8d7669e9756fb4fce50593bd0833d78

        SHA512

        4c858c8cc23ef46186d9a153603fec3b56501c24a0c77b39f457bf4cd8626cc5f78afc041bd1135f96796c7d130f0c5ae336bc8a35df96cd06135eaa6e20b4af

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

        Filesize

        42KB

        MD5

        998d4888b99734c60802f93fb2daf940

        SHA1

        297a395d096ca67b885134dea1147c270b402c1a

        SHA256

        d63c4166014d50c6321e82e1c6de7c1a2207b0e09f541d1275d0109aa1d191b5

        SHA512

        2658aab48807606dc83c4b822438b5454a3df19f4db015d30b8b330baab6218a8a259bb33a2e57398e3c6823059ea49477b4d79df63fe383a9f4725359899190

      • memory/296-69-0x0000000000B30000-0x0000000000B40000-memory.dmp

        Filesize

        64KB

      • memory/1580-8-0x00000000749C0000-0x00000000750AE000-memory.dmp

        Filesize

        6.9MB

      • memory/1580-3-0x0000000001010000-0x000000000102E000-memory.dmp

        Filesize

        120KB

      • memory/1580-5-0x00000000749C0000-0x00000000750AE000-memory.dmp

        Filesize

        6.9MB

      • memory/1652-7-0x0000000000540000-0x0000000000548000-memory.dmp

        Filesize

        32KB

      • memory/1652-24-0x00000000749C0000-0x00000000750AE000-memory.dmp

        Filesize

        6.9MB

      • memory/1652-9-0x00000000749C0000-0x00000000750AE000-memory.dmp

        Filesize

        6.9MB

      • memory/1652-10-0x0000000008230000-0x0000000008346000-memory.dmp

        Filesize

        1.1MB

      • memory/1652-11-0x000000000AAF0000-0x000000000ABB0000-memory.dmp

        Filesize

        768KB

      • memory/1652-6-0x00000000749C0000-0x00000000750AE000-memory.dmp

        Filesize

        6.9MB

      • memory/1652-4-0x00000000000B0000-0x00000000001E4000-memory.dmp

        Filesize

        1.2MB

      • memory/1652-2-0x00000000749CE000-0x00000000749CF000-memory.dmp

        Filesize

        4KB

      • memory/2628-21-0x0000000000400000-0x00000000004B8000-memory.dmp

        Filesize

        736KB

      • memory/2628-22-0x0000000000400000-0x00000000004B8000-memory.dmp

        Filesize

        736KB

      • memory/2628-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2628-18-0x0000000000400000-0x00000000004B8000-memory.dmp

        Filesize

        736KB

      • memory/2628-16-0x0000000000400000-0x00000000004B8000-memory.dmp

        Filesize

        736KB

      • memory/2628-14-0x0000000000400000-0x00000000004B8000-memory.dmp

        Filesize

        736KB

      • memory/2628-25-0x0000000000390000-0x00000000003A4000-memory.dmp

        Filesize

        80KB

      • memory/2628-26-0x0000000004F40000-0x0000000004FFE000-memory.dmp

        Filesize

        760KB

      • memory/2628-23-0x0000000000400000-0x00000000004B8000-memory.dmp

        Filesize

        736KB

      • memory/2628-12-0x0000000000400000-0x00000000004B8000-memory.dmp

        Filesize

        736KB

      • memory/3004-36-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

        Filesize

        4KB

      • memory/3004-37-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/3004-41-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/3004-40-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/3004-34-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/3004-32-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/3004-43-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/3004-47-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/3004-62-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/3004-60-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/3004-59-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/3004-57-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/3004-54-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/3004-53-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/3004-51-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/3004-49-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/3004-48-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/3004-46-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/3004-45-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/3004-44-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/3004-30-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/3004-28-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB