Analysis

  • max time kernel
    140s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/11/2024, 14:54

General

  • Target
    490aa9aa3053f1eaba17713ac5f334e94271e979a56ebc4d3f9cfb61d78f66d5.exe
  • Size 1.3MB
  • Sample241105-r9vtpsshmc
  • SHA256 490aa9aa3053f1eaba17713ac5f334e94271e979a56ebc4d3f9cfb61d78f66d5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 44 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\490aa9aa3053f1eaba17713ac5f334e94271e979a56ebc4d3f9cfb61d78f66d5.exe
    "C:\Users\Admin\AppData\Local\Temp\490aa9aa3053f1eaba17713ac5f334e94271e979a56ebc4d3f9cfb61d78f66d5.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3896
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RarSFX0\irmu.vbe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3564
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c ipconfig /release
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2320
        • C:\Windows\SysWOW64\ipconfig.exe
          ipconfig /release
          4⤵
          • System Location Discovery: System Language Discovery
          • Gathers network information
          PID:3548
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c bkdlnjgrjl.txt cfooxa.bin
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3240
        • C:\Users\Admin\AppData\Local\Temp\RarSFX0\bkdlnjgrjl.txt
          bkdlnjgrjl.txt cfooxa.bin
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1824
          • C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
            "C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            PID:2464
          • C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
            "C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            PID:3684
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c ipconfig /renew
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4384
        • C:\Windows\SysWOW64\ipconfig.exe
          ipconfig /renew
          4⤵
          • System Location Discovery: System Language Discovery
          • Gathers network information
          PID:1148

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        adnn.das

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\adnn.das
        • Size 558B
        • SHA256 8536248d39744a2a95993fd184ce6b6d98c2acf78c504c4aaf48a08de91b30bb
        • MD5 SHA1 SHA512

        axebvkx.mp3

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\axebvkx.mp3
        • Size 508B
        • SHA256 2272deabcdf9718af7522ffec91ed4366571c9ed87402cc95ce5abbc2608b114
        • MD5 SHA1 SHA512

        bkdlnjgrjl.txt

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\bkdlnjgrjl.txt
        • Size 925KB
        • SHA256 98e4f904f7de1644e519d09371b8afcbbf40ff3bd56d76ce4df48479a4ab884b
        • MD5 SHA1 SHA512 SSDEEP

        bnbxihkeru.iln

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\bnbxihkeru.iln
        • Size 554KB
        • SHA256 a27623e45a527d89a07d3b0a1b32cc510a77bfdbded6ee9bea24c0d8ccc8d64e
        • MD5 SHA1 SHA512 SSDEEP

        cacef.xls

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\cacef.xls
        • Size 521B
        • SHA256 4ce1e410e6d51491f440ef878f1a6a013189dbec4c00ace731b04a6e3d0074dd
        • MD5 SHA1 SHA512

        cmpiqjwuu.exe

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\cmpiqjwuu.exe
        • Size 587B
        • SHA256 7c7706705ae184c1cce103b8635740d41f99f6e1644b0cf05419714da39104c4
        • MD5 SHA1 SHA512

        cplfh.exe

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\cplfh.exe
        • Size 659B
        • SHA256 4203a830764fad1138eb9a7438ed5b166072e2d58990ab628bb855615fe64435
        • MD5 SHA1 SHA512

        dwfstr.mp3

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\dwfstr.mp3
        • Size 531B
        • SHA256 90bafb477fc75bb7d5ceb2a49a85335b3a1c5e0c08f43b6bcc33e4f4dfdde36a
        • MD5 SHA1 SHA512

        ghqctidgn.mp3

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\ghqctidgn.mp3
        • Size 617B
        • SHA256 ac9d376acd5bfaaa27ee5c4fccbcf1fad08a3f2b8428d701b8d9ed1dbf7be3ff
        • MD5 SHA1 SHA512

        gwjrvjn.bin

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\gwjrvjn.bin
        • Size 520B
        • SHA256 b3c1e56d5a217a7307fcf9851f46b0abd662260910e3c00b7ce292f459e89f60
        • MD5 SHA1 SHA512

        irmu.vbe

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\irmu.vbe
        • Size 59KB
        • SHA256 9e292be62817426bed4346ddc9f1b389351f6619b0d6b1e7093ab336152cd499
        • MD5 SHA1 SHA512 SSDEEP

        isur.mp3

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\isur.mp3
        • Size 617B
        • SHA256 b4143a821073ec5ef9f2caca62bf7889015b7c088afe2cc0d93e3aa9da1c9150
        • MD5 SHA1 SHA512

        jgdrkalbfe.3gp

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\jgdrkalbfe.3gp
        • Size 527B
        • SHA256 20704bc9b9d5fa917360149a2f7cae3e9dc496ffc93c851904b517fefd52299d
        • MD5 SHA1 SHA512

        jkmmkujkn.bmp

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\jkmmkujkn.bmp
        • Size 30KB
        • SHA256 2ccac2fdbaa41e81fed185bd80cfec99699d61d0a86260b2b5e85c075e37030b
        • MD5 SHA1 SHA512 SSDEEP

        jkmmkujkn.bmp

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\jkmmkujkn.bmp
        • Size 30KB
        • SHA256 c7e126cc85f5a6506a275ad370ae3444be34b46e8df10e412bcc6c646515224c
        • MD5 SHA1 SHA512 SSDEEP

        mcbtdp.mp3

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\mcbtdp.mp3
        • Size 617B
        • SHA256 3d7daf4f50c2292e07d2f631d20a22da18252fb132ba55d7b9a303c1a72652a0
        • MD5 SHA1 SHA512

        mxps.icm

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\mxps.icm
        • Size 503B
        • SHA256 984c8df39d000a6ae1626014e0bda828ee9187db06bbdd88a918941937758731
        • MD5 SHA1 SHA512

        ndjlomhqm.mp3

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\ndjlomhqm.mp3
        • Size 586B
        • SHA256 1f10e344ab594b2ba2c39bea2d82fd1aad45319fe899b16e6599926cf8727510
        • MD5 SHA1 SHA512

        ormihusdp.icm

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\ormihusdp.icm
        • Size 523B
        • SHA256 4b5b4aee6f3e89a3f67b4235698174b981c0d54fba9d5ec489ceec433cf1da79
        • MD5 SHA1 SHA512

        osmb.3gp

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\osmb.3gp
        • Size 512B
        • SHA256 916ac3d34b0613f19eabcf0eee1464657d4f3f9d0233cbd5b5b8be5b74ce5ae7
        • MD5 SHA1 SHA512

        pdov.3gp

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\pdov.3gp
        • Size 594B
        • SHA256 f8fd6352aa667d7fe5f09f629eb966839fa3774d779dcabc11c48033f244bf4d
        • MD5 SHA1 SHA512

        pibatafia.dll

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\pibatafia.dll
        • Size 534B
        • SHA256 036e076c9d2b140101fa42c41bbf1f68347623a3a62defcb8341de78a7be33ef
        • MD5 SHA1 SHA512

        qkjo.bmp

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\qkjo.bmp
        • Size 572B
        • SHA256 fa19c8a0793f051bc05cbc4ef955127318e3dfb310027966d4ed3b1be9b488a8
        • MD5 SHA1 SHA512

        rsvaqcrc.mp3

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\rsvaqcrc.mp3
        • Size 543B
        • SHA256 9bcb7ce374a6b21eeedcb305c47b2fd81fd729a1a4c74f08e4f92ad57f63e96c
        • MD5 SHA1 SHA512

        tdcunrth.pdf

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\tdcunrth.pdf
        • Size 518B
        • SHA256 047bf2c7cbfc7a7c3d3125e6837ff8a07e5f9d630382bb2ba7845c2445a2a2dd
        • MD5 SHA1 SHA512

        RegSvcs.exe

        • Path C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
        • Size 44KB
        • SHA256 2c1eeb7097023c784c2bd040a2005a5070ed6f3a4abf13929377a9e39fab1390
        • MD5 SHA1 SHA512 SSDEEP

        memory/2464-151-0x0000000000400000-0x0000000000AAC000-memory.dmp

        memory/3684-149-0x0000000000400000-0x0000000000447000-memory.dmp