Analysis

  • max time kernel
    146s
  • 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
    15/10/2024, 22:29

General

  • Target

    d9ecde38b017cca00945ba2458a4dbb75eb84ac62dd7f2eea661e7e1ba9c1760.exe

  • Size

    199KB

  • MD5

    9c1e01d13bc902cde06fa61d91584923

  • SHA1

    241c6da2a39a45304e19f85295a398d6c2fb1d08

  • SHA256

    d9ecde38b017cca00945ba2458a4dbb75eb84ac62dd7f2eea661e7e1ba9c1760

  • SHA512

    8af4ce80a2463f8131eb7c95e26150c9e5cafbad7b086db4ffcb892ad71a508cdf5cab81f7e8c0d0dce375a17152fb2d9035ab0e5284d3a9f65824ff4378a44d

  • SSDEEP

    3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT:X2vnSwjaOcADw9cUeCOf

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\d9ecde38b017cca00945ba2458a4dbb75eb84ac62dd7f2eea661e7e1ba9c1760.exe
    "C:\Users\Admin\AppData\Local\Temp\d9ecde38b017cca00945ba2458a4dbb75eb84ac62dd7f2eea661e7e1ba9c1760.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3004
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\mijxxcfq.exe "C:\Users\Admin\AppData\Local\Temp\d9ecde38b017cca00945ba2458a4dbb75eb84ac62dd7f2eea661e7e1ba9c1760.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:4240
      • 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:1416
      • C:\Users\Admin\AppData\Local\Temp\mijxxcfq.exe
        C:\Users\Admin\AppData\Local\Temp\\mijxxcfq.exe "C:\Users\Admin\AppData\Local\Temp\d9ecde38b017cca00945ba2458a4dbb75eb84ac62dd7f2eea661e7e1ba9c1760.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:1500
        • \??\c:\Program Files\xrskp\ocm.exe
          "c:\Program Files\xrskp\ocm.exe" "c:\Program Files\xrskp\ocmfw.dll",Compliance C:\Users\Admin\AppData\Local\Temp\mijxxcfq.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:892

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files\xrskp\ocm.exe

          Filesize

          60KB

          MD5

          889b99c52a60dd49227c5e485a016679

          SHA1

          8fa889e456aa646a4d0a4349977430ce5fa5e2d7

          SHA256

          6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

          SHA512

          08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

          Filesize

          199KB

          MD5

          ab53816f91ab6eea0f85ef6466cdc669

          SHA1

          da4e0c9579b2fe4ee94b7749feb33d6bdfbb91c8

          SHA256

          785287cc1252a42c05ffa330fc717d58730adaeb66a042a29bbf1a6a336d7ab2

          SHA512

          9d0061b7c7dec799fb48cf1cda83f16c60f103775dd5dcc2cfe27981dcc95dfa670b7cf553e67cfe850af6aa05b5b01cde7b10df3794cefce21fe8455d8450ec

        • \??\c:\Program Files\xrskp\ocmfw.dll

          Filesize

          141KB

          MD5

          610e88089e9fbd5a3ee0f1e1ceb8d565

          SHA1

          03d53d53cc06aaf052a43621f78a59cfb5eea91e

          SHA256

          f24a33cfc686ccc4645e7cffeb12e85b8523fa23505ee9953ad12f1c91f71a8d

          SHA512

          ea58c98e6062b4ba7ddee8f4cff2c3ad40eb8d12c2e7037e69ff8cf10af5c00b77b5b85707c21b2a73f728905a8b6d717442527400e0ab27b4a9f0d5a8fd1b76

        • memory/892-24-0x0000000010000000-0x000000001004E000-memory.dmp

          Filesize

          312KB

        • memory/892-20-0x0000000010000000-0x000000001004E000-memory.dmp

          Filesize

          312KB

        • memory/892-19-0x0000000010000000-0x000000001004E000-memory.dmp

          Filesize

          312KB

        • memory/1500-9-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB

        • memory/1500-15-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB

        • memory/1500-8-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB

        • memory/3004-0-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB

        • memory/3004-4-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB

        • memory/3004-2-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB

        • memory/3004-1-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB