Analysis

  • max time kernel
    140s
  • max time network
    153s
  • 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, 01:15

General

  • Target

    2024-10-16_1feb149f99f559fc0c204359a6ae4abe_magniber_revil.exe

  • Size

    15.5MB

  • MD5

    1feb149f99f559fc0c204359a6ae4abe

  • SHA1

    e208b62afa9e3d64d467d3ffbab39df6052f6301

  • SHA256

    be204886720c44fa29e5e6757f1bac479353d931c75399a58de2b3ccb7cd2834

  • SHA512

    f632fd9441f8b1f8e19a4d6cf9a59daed1af38cb10a1a1c9c0a53c72930d04516434ce9087332c2567c95965b3d76e89072c658517157a7fd826fa1d228798eb

  • SSDEEP

    196608:Tulbx5VjzHeMf3Xnn28luJADGD2yJrqNh+zzfNNa1G:Tulrtz13XnIODnyJrqNm

Malware Config

Signatures

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 3 TTPs

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

  • Checks for any installed AV software in registry 1 TTPs 6 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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.

  • 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 1 IoCs

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

  • Checks processor information in registry 2 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-16_1feb149f99f559fc0c204359a6ae4abe_magniber_revil.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-16_1feb149f99f559fc0c204359a6ae4abe_magniber_revil.exe"
    1⤵
    • Checks computer location settings
    • Checks for any installed AV software in registry
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:4156
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4156 -s 3012
      2⤵
      • Program crash
      PID:4788
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4156 -ip 4156
    1⤵
      PID:2348

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\WebCache\V01.log

            Filesize

            512KB

            MD5

            6c7a2d83b4daafb11db02aa4c0328e6a

            SHA1

            296e81617383e72fea9937599afc897cfc105dfd

            SHA256

            ce6d1d3ac9f4ef2510235f6a8576cbd03d9240a736cd0d790472052536de4e55

            SHA512

            e279aa7504c7cd55f30f73fcabbda3ba9a8a420e6a162c3cd42a1c2a8a76eb9f89492137e3f81f0c481c11b51013dd13490763f82056c22d0008ebc7dcbf1c67

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\WebCache\WebCacheV01.dat

            Filesize

            14.0MB

            MD5

            70d1264030aee831391fa17bd8406640

            SHA1

            e521f86397c2ff09e43e1866ead7129428e410ec

            SHA256

            66499fd6c46a18b88d4d1f48522b7601a751262244eaa2eb138c7cc853362c1d

            SHA512

            a76dc3bf51ca0c5ba04912364f4be13ba0ae928e1e0742f39af221132089db44c0041a69900c93b41f5d0920d7c4788d7bfb1f3acf53df7a6ae2986e999f1238

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\WebCache\WebCacheV01.jfm

            Filesize

            16KB

            MD5

            4a287e3e1b36754972e02f66f1a4416e

            SHA1

            f52c84f7af9e3a0e3c46e52b96501bec0f0eb09e

            SHA256

            c2d5fdd467a9e6a175fb82d2328319853312d04d86376ed47bfb7db08cdd9871

            SHA512

            0404640ff27a35be0235a5f5da9c21530d975d8e2b5570514f3dcd16abdf1a68d0d8247f72237cef18b153b35a022ca4e9f05a975cdb87c36c18c9f6e599b6c9

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\WebCache\WebCacheV01.jfm

            Filesize

            16KB

            MD5

            aeeb376d272dab65e659fee97433084d

            SHA1

            41fefaef05e45328738eacf9e4a81fddc0014258

            SHA256

            a2141befdb6e843ecac10bd5e418ae9fbff02256c677d33e6cec39869f772e0f

            SHA512

            27ad95f6bf5d67549afea5ff77e4ce6db92b74db6b90a3edb710b2e8dab13b2fe922ef390f78a905fab27e205abb577857f9b7bfc7060871ff40cbdd95576b26

          • memory/4156-37-0x0000000005C60000-0x0000000005C61000-memory.dmp

            Filesize

            4KB

          • memory/4156-39-0x0000000005C80000-0x0000000005C88000-memory.dmp

            Filesize

            32KB

          • memory/4156-6-0x0000000003F10000-0x0000000003F11000-memory.dmp

            Filesize

            4KB

          • memory/4156-7-0x0000000003F20000-0x0000000003F21000-memory.dmp

            Filesize

            4KB

          • memory/4156-8-0x00000000065D0000-0x00000000065E0000-memory.dmp

            Filesize

            64KB

          • memory/4156-14-0x0000000006770000-0x0000000006780000-memory.dmp

            Filesize

            64KB

          • memory/4156-32-0x0000000007800000-0x0000000007808000-memory.dmp

            Filesize

            32KB

          • memory/4156-36-0x0000000005C70000-0x0000000005C78000-memory.dmp

            Filesize

            32KB

          • memory/4156-0-0x0000000000010000-0x0000000000011000-memory.dmp

            Filesize

            4KB

          • memory/4156-5-0x0000000003F00000-0x0000000003F01000-memory.dmp

            Filesize

            4KB

          • memory/4156-45-0x0000000007550000-0x0000000007551000-memory.dmp

            Filesize

            4KB

          • memory/4156-42-0x0000000005C60000-0x0000000005C68000-memory.dmp

            Filesize

            32KB

          • memory/4156-4-0x0000000003EF0000-0x0000000003EF1000-memory.dmp

            Filesize

            4KB

          • memory/4156-57-0x0000000005D00000-0x0000000005D08000-memory.dmp

            Filesize

            32KB

          • memory/4156-59-0x00000000075E0000-0x00000000075E8000-memory.dmp

            Filesize

            32KB

          • memory/4156-62-0x0000000005C60000-0x0000000005C61000-memory.dmp

            Filesize

            4KB

          • memory/4156-66-0x0000000007550000-0x0000000007551000-memory.dmp

            Filesize

            4KB

          • memory/4156-3-0x0000000003EE0000-0x0000000003EE1000-memory.dmp

            Filesize

            4KB

          • memory/4156-2-0x0000000003ED0000-0x0000000003ED1000-memory.dmp

            Filesize

            4KB

          • memory/4156-1-0x0000000000D10000-0x0000000000D11000-memory.dmp

            Filesize

            4KB