Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/10/2024, 01:25

General

  • Target

    05b48f956b5266252a4ceee46457d277e083917b34e571a9810e58361722713dN.exe

  • Size

    214KB

  • MD5

    86f868fbf81d7e0a4ddb7ac70c74bb70

  • SHA1

    1d4a734b346d2dc67eb1cf3c42d84f69b27dbb53

  • SHA256

    05b48f956b5266252a4ceee46457d277e083917b34e571a9810e58361722713d

  • SHA512

    05e078de52599c1cf6f9b6393e9bedbf9788b68342a70773a66ea8ed9784ab4f760af703914b2f8a7198e362519f6d8b8594800a81a2e8714ea4dcfa3c8f507c

  • SSDEEP

    6144:uVtV0QPQCnSQsTEWYChnUnPJuHC3vcWY:ubVQk1wnGACvc

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05b48f956b5266252a4ceee46457d277e083917b34e571a9810e58361722713dN.exe
    "C:\Users\Admin\AppData\Local\Temp\05b48f956b5266252a4ceee46457d277e083917b34e571a9810e58361722713dN.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4764
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\twhuzqjd.exe "C:\Users\Admin\AppData\Local\Temp\05b48f956b5266252a4ceee46457d277e083917b34e571a9810e58361722713dN.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:4440
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:668
      • C:\Users\Admin\AppData\Local\Temp\twhuzqjd.exe
        C:\Users\Admin\AppData\Local\Temp\\twhuzqjd.exe "C:\Users\Admin\AppData\Local\Temp\05b48f956b5266252a4ceee46457d277e083917b34e571a9810e58361722713dN.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3472
        • \??\c:\Program Files\lgsgy\wms.exe
          "c:\Program Files\lgsgy\wms.exe" "c:\Program Files\lgsgy\wmsgj.dll",Group C:\Users\Admin\AppData\Local\Temp\twhuzqjd.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1328

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files\lgsgy\wms.exe

          Filesize

          60KB

          MD5

          889b99c52a60dd49227c5e485a016679

          SHA1

          8fa889e456aa646a4d0a4349977430ce5fa5e2d7

          SHA256

          6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

          SHA512

          08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

        • C:\Users\Admin\AppData\Local\Temp\twhuzqjd.exe

          Filesize

          214KB

          MD5

          877b2a9e6529154537d4e7c0b8910e0e

          SHA1

          06b33ebe9420f3c20cbf3782cb9f383bfa124925

          SHA256

          a2b1d67e9d5862780777a897c3d711a37179a5d5257d51a21599592a42440b1b

          SHA512

          992c088caf346a9c071e5b20d32f0e6ad75eb27fd76ee0335ccecb7688c1563eea27afaba34de4a860901f88bdc7a6de2657c88779b444cbc0733d39c7dcb65a

        • \??\c:\Program Files\lgsgy\wmsgj.dll

          Filesize

          148KB

          MD5

          294b063b535f29f4c84e017e07c566db

          SHA1

          941fb27aa6d1a93c43db9b6583c31a9244a17a28

          SHA256

          06654f8ae3a1a6f46d9a911e84b138fe309ddf68b21b0d5a1bf79cc6282cfbe2

          SHA512

          b329eda0534de07fea00ae28dc343ee62d9ddecc4ce983993661b49616cfed81d6a74ba52852a2a9aefc5be9b0651e430214b58bd551bcf3138edbce13cb06a4

        • memory/1328-14-0x0000000010000000-0x0000000010054000-memory.dmp

          Filesize

          336KB

        • memory/1328-15-0x0000000010000000-0x0000000010054000-memory.dmp

          Filesize

          336KB

        • memory/1328-17-0x0000000010000000-0x0000000010054000-memory.dmp

          Filesize

          336KB

        • memory/3472-10-0x0000000000400000-0x0000000000479D2E-memory.dmp

          Filesize

          487KB

        • memory/4764-0-0x0000000000400000-0x0000000000479D2E-memory.dmp

          Filesize

          487KB

        • memory/4764-2-0x0000000000400000-0x0000000000479D2E-memory.dmp

          Filesize

          487KB