Analysis

  • max time kernel
    120s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    05/10/2024, 20:00

General

  • Target

    ef0e45386099ac22d091da175ab13238372fac83448424046d64eb535349e7d0N.exe

  • Size

    36KB

  • MD5

    3d1869a0c38b13e8e469225bf6098110

  • SHA1

    bd6dab87cc7f33e86b19548e45ecc5a8f66e767e

  • SHA256

    ef0e45386099ac22d091da175ab13238372fac83448424046d64eb535349e7d0

  • SHA512

    2912b639aa84e184c49497842585195765d9376f3965ee0eec32e96cbd69d1e6e77eab2299b5ceaaef14c302c5af0c6c80e9e79d0b8362a7972dc05998068279

  • SSDEEP

    768:kBT37CPKKdJJ1EXBwzEXBwdcMcwBcCBcw/tio/titPdP6:CTW7JJ7TTQoQtFS

Malware Config

Signatures

  • Renames multiple (3255) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 64 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef0e45386099ac22d091da175ab13238372fac83448424046d64eb535349e7d0N.exe
    "C:\Users\Admin\AppData\Local\Temp\ef0e45386099ac22d091da175ab13238372fac83448424046d64eb535349e7d0N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:2272

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\$Recycle.Bin\S-1-5-21-1506706701-1246725540-2219210854-1000\desktop.ini.tmp

          Filesize

          36KB

          MD5

          d0249103d6cf41a210e3a56f644872b4

          SHA1

          d839bfc346265d4afcdae3a92123fa8b1e663d93

          SHA256

          63a91b9a273e21fa1e68b1d50036f38e142a9e8ec6dc7f92dfadca59924d2d21

          SHA512

          8936fdcf6409cf9d5ef4738a1e5db4e5f5329a840ceac53b05e8d10e52bd146115088c4eaf1736763fe4e56b9ee7ecc03390f21a0fb92edd16e69dfbb16cde53

        • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.xml.tmp

          Filesize

          45KB

          MD5

          cd12fa9ed2b30333b3b1dd42d4478d0e

          SHA1

          68b3aba64bdc1ae353e303f1fe6b419380fd1364

          SHA256

          46c9aca5641bec5395cea5cc0323d902df38e7e888b702ef787c67d38f3dc9bc

          SHA512

          994ff738c609e08e795b7fad167001fa7ebc1733db573a3f839d23ab67c5b52c4be46347e1df7a514dcf505143c7cfb207058a00eb54cf76b15693ffcee33f7b

        • memory/2272-0-0x0000000000400000-0x000000000040A000-memory.dmp

          Filesize

          40KB

        • memory/2272-71-0x0000000000400000-0x000000000040A000-memory.dmp

          Filesize

          40KB