Analysis

  • max time kernel
    55s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2022 09:23

General

  • Target

    fce8fea99f6e669c66c054300463667affb91064569fdcd1680f2d7db9307f29.exe

  • Size

    100KB

  • MD5

    9b72b4ed31ddd4d6c0ed9f5bf5575e4e

  • SHA1

    a8858bfbc6cccd287a59121deb3e59d2e24692e3

  • SHA256

    fce8fea99f6e669c66c054300463667affb91064569fdcd1680f2d7db9307f29

  • SHA512

    b3a39e1ac30ae6159a9dd40c2ceb3b175f6b29e6b4e1581d11af16082f12f3f6530b39c7938d9f7ee59a6428d387a1ef621b6538fd766f88aceeb87132aa22fc

  • SSDEEP

    1536:N8GH2R6HJSpuSSLF+kqsaeyFUqcPoG3nNl77O+OtI7bvnkhXLavWO23:N8O2KOSLgk5yGqO3NllnkevA3

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fce8fea99f6e669c66c054300463667affb91064569fdcd1680f2d7db9307f29.exe
    "C:\Users\Admin\AppData\Local\Temp\fce8fea99f6e669c66c054300463667affb91064569fdcd1680f2d7db9307f29.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1868
    • C:\Users\Admin\AppData\Local\Temp\Server.exe
      "C:\Users\Admin\AppData\Local\Temp\Server.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:832
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 396
        3⤵
        • Loads dropped DLL
        PID:2032

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    40KB

    MD5

    08d98ec46fe61ad362d0cfb5ea57c279

    SHA1

    f097f0d0577b2b30b461ecdefbcf755995b1c003

    SHA256

    15e170caea70f4fa0ab04345426a32c0e632ae6ca2148e1f6e2a9a0e20afa4d6

    SHA512

    4c740aaad6e1ed79f82a5b7b486900ad6882c11db0b9f10529d1fc22dc04b0dd0e282b2b1fd304a17113740c5ca85dc44aeac2451dfddcc35e35da2081464bcc

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

    Filesize

    40KB

    MD5

    08d98ec46fe61ad362d0cfb5ea57c279

    SHA1

    f097f0d0577b2b30b461ecdefbcf755995b1c003

    SHA256

    15e170caea70f4fa0ab04345426a32c0e632ae6ca2148e1f6e2a9a0e20afa4d6

    SHA512

    4c740aaad6e1ed79f82a5b7b486900ad6882c11db0b9f10529d1fc22dc04b0dd0e282b2b1fd304a17113740c5ca85dc44aeac2451dfddcc35e35da2081464bcc

  • \Users\Admin\AppData\Local\Temp\Server.exe

    Filesize

    40KB

    MD5

    08d98ec46fe61ad362d0cfb5ea57c279

    SHA1

    f097f0d0577b2b30b461ecdefbcf755995b1c003

    SHA256

    15e170caea70f4fa0ab04345426a32c0e632ae6ca2148e1f6e2a9a0e20afa4d6

    SHA512

    4c740aaad6e1ed79f82a5b7b486900ad6882c11db0b9f10529d1fc22dc04b0dd0e282b2b1fd304a17113740c5ca85dc44aeac2451dfddcc35e35da2081464bcc

  • \Users\Admin\AppData\Local\Temp\Server.exe

    Filesize

    40KB

    MD5

    08d98ec46fe61ad362d0cfb5ea57c279

    SHA1

    f097f0d0577b2b30b461ecdefbcf755995b1c003

    SHA256

    15e170caea70f4fa0ab04345426a32c0e632ae6ca2148e1f6e2a9a0e20afa4d6

    SHA512

    4c740aaad6e1ed79f82a5b7b486900ad6882c11db0b9f10529d1fc22dc04b0dd0e282b2b1fd304a17113740c5ca85dc44aeac2451dfddcc35e35da2081464bcc

  • memory/832-56-0x0000000000000000-mapping.dmp

  • memory/832-63-0x0000000074440000-0x00000000749EB000-memory.dmp

    Filesize

    5.7MB

  • memory/832-64-0x0000000074440000-0x00000000749EB000-memory.dmp

    Filesize

    5.7MB

  • memory/1868-54-0x0000000075021000-0x0000000075023000-memory.dmp

    Filesize

    8KB

  • memory/2032-60-0x0000000000000000-mapping.dmp