Analysis

  • max time kernel
    140s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/06/2024, 11:04

General

  • Target
    pdfstamp_cmd/example/12.bat
  • Size 270B
  • Sample240605-m6ek4aee74
  • SHA256 f2a132240495bc163b96a938f07015548968cadf8502affdaec6d758bf8f794e
  • MD5 SHA1 SHA512
Score
7/10
upx

Malware Config

Signatures

  • UPX packed file 2 IoCs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\pdfstamp_cmd\example\12.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4656
    • C:\Users\Admin\AppData\Local\Temp\pdfstamp_cmd\example\pdfstamp.exe
      pdfstamp -PDF "example.pdf" -o "12.pdf" -AT "verypdf.com Inc." -p1 -fs48 -c65296 -r-45 -AT "verypdf.com Inc." -p3 -fs48 -c65296 -r45 -AT "verypdf.com Inc." -p5 -fs48 -c65296 -r-45 -AT "verypdf.com Inc." -p7 -fs48 -c65296 -r45
      2⤵
        PID:3308
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3708 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4492

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            memory/3308-0-0x0000000010000000-0x0000000010103000-memory.dmp

            memory/3308-1-0x0000000000BD0000-0x0000000000C9E000-memory.dmp

            memory/3308-2-0x0000000000BD0000-0x0000000000C9E000-memory.dmp

            memory/3308-3-0x0000000010000000-0x0000000010103000-memory.dmp

            memory/3308-10-0x0000000000BD0000-0x0000000000C9E000-memory.dmp

            memory/3308-9-0x0000000010000000-0x0000000010103000-memory.dmp