Analysis

  • max time kernel
    44s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    14/09/2022, 13:29

General

  • Target

    PROCEED TO RELEASE UNDELIVERED EMAILS.scr

  • Size

    148KB

  • MD5

    2fceab95cbfb9b6e58d30350acd5b616

  • SHA1

    3c97dbb41a7f064ddd9ed699464906e6e372be16

  • SHA256

    e285046c02d47b8c6afc3e904a654e2178d6713ac35d3e261d5574108c7d8a98

  • SHA512

    433eec9c47c7c1ec5c68c19beeda43a74b9feaf314262e1d2fe552191ef99d4d5ef07f851ec61601391c989077c3eed3e0b603145066004414a8984bc8a375d7

  • SSDEEP

    3072:CIlLpNjldDfiLucCMuaSLeRyb8L+7tw+fl1XUdCstZFk2jMRZ2:CspNjlsAeRs6CHrUdCstZFk2jY2

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\PROCEED TO RELEASE UNDELIVERED EMAILS.scr
    "C:\Users\Admin\AppData\Local\Temp\PROCEED TO RELEASE UNDELIVERED EMAILS.scr" /S
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    PID:1380

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • \Users\Admin\AppData\Local\Temp\nsy234B.tmp\System.dll

          Filesize

          11KB

          MD5

          17ed1c86bd67e78ade4712be48a7d2bd

          SHA1

          1cc9fe86d6d6030b4dae45ecddce5907991c01a0

          SHA256

          bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb

          SHA512

          0cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5

        • memory/1380-54-0x0000000075A11000-0x0000000075A13000-memory.dmp

          Filesize

          8KB