Analysis

  • max time kernel
    138s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/01/2024, 19:29

General

  • Target

    63691f8e1346e069e1f6b0d57d21ff26.exe

  • Size

    229KB

  • MD5

    63691f8e1346e069e1f6b0d57d21ff26

  • SHA1

    24a173a2555510732e67c510733278e257d561bb

  • SHA256

    78053e0b64756cacd200eca560db10a5c215a909ba32ca453d09a4f45d62146c

  • SHA512

    cecdcc6af4f7f8333a6d79ba90df5374c5e2b52fb833e585c540712e1b7cf73acd00a6c90c9245718bff2b5f313d06bec34e1a8860e2e9c00b7a989e0b48b622

  • SSDEEP

    3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/e8qtkaZgxktEv:o68i3odBiTl2+TCU/MtkqxrqLckP+6

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 12 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\63691f8e1346e069e1f6b0d57d21ff26.exe
    "C:\Users\Admin\AppData\Local\Temp\63691f8e1346e069e1f6b0d57d21ff26.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:4772
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Windows\bugMAKER.bat
      2⤵
      • Checks computer location settings
      • Suspicious use of SetWindowsHookEx
      PID:4980
  • C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
    1⤵
      PID:1420
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k UnistackSvcGroup
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1676

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\bugMAKER.bat

            Filesize

            76B

            MD5

            d9796143b7e07144fd8e3d126d23f637

            SHA1

            d19582b06f29ac3d1534f36e079b8742c98feead

            SHA256

            7f564de6dca2bbdf7b8bbfe7db87a907de19aed5c30ea818192fef49b4326d74

            SHA512

            0976aeaa962df56a39c5468cf31f6c351d69a35bda6009efb00273c7b9702fa2d4c1a9ac150008b983e58590d072bb60e906a56eacb4ff234c069ed5504c9d49

          • memory/1676-41-0x00000276E1060000-0x00000276E1070000-memory.dmp

            Filesize

            64KB

          • memory/1676-25-0x00000276E0F60000-0x00000276E0F70000-memory.dmp

            Filesize

            64KB

          • memory/1676-61-0x00000276E9510000-0x00000276E9511000-memory.dmp

            Filesize

            4KB

          • memory/1676-60-0x00000276E9400000-0x00000276E9401000-memory.dmp

            Filesize

            4KB

          • memory/1676-59-0x00000276E9400000-0x00000276E9401000-memory.dmp

            Filesize

            4KB

          • memory/1676-57-0x00000276E93D0000-0x00000276E93D1000-memory.dmp

            Filesize

            4KB

          • memory/4772-24-0x0000000000400000-0x000000000042D000-memory.dmp

            Filesize

            180KB