Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231025-en
  • resource tags

    arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
  • submitted
    02/11/2023, 20:05

General

  • Target

    NEAS.4479e2caf4a96e1e2da0e1dfed60ddf0.exe

  • Size

    22KB

  • MD5

    4479e2caf4a96e1e2da0e1dfed60ddf0

  • SHA1

    d8f411018b6e7d3e4e7ec388dfbd8d20430e1698

  • SHA256

    15c04ecc7e8dca4eec5899e68dd4667d463827220078ca2379ffa5744a3e6427

  • SHA512

    bffcf36c9f0ae7b3dbecb3db6d84068b1af64452e07bb24beac29bca18c2233d4015c0fcc7ebe136cd0d69212710a880ee0c0c87043cadb3c36bfb625b295472

  • SSDEEP

    384:ErzPOx5BF6qwb7Em2ycuN8ik2cbOqxXAigRSEhHd73AvMaDthkpN2X47zD:Erz634qG7P2nNi8bqigR9HdWjhiNp

Score
7/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

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

  • Drops file in System32 directory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.4479e2caf4a96e1e2da0e1dfed60ddf0.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.4479e2caf4a96e1e2da0e1dfed60ddf0.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    PID:2608
    • C:\Windows\SysWOW64\rmass.exe
      "C:\Windows\SysWOW64\rmass.exe"
      2⤵
      • Executes dropped EXE
      PID:2812

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\rmass.exe

    Filesize

    19KB

    MD5

    674de50e2fdc2b2b7e6b222164b95c1d

    SHA1

    cf20d4d4df6a7f65d8114762cbbe741b2bee6914

    SHA256

    61b508728f38a268ed2122b99d1e53061fb880d8084e59a73dada5fe1e0bc840

    SHA512

    754246b5db57c3bc85511dc98ef1e2a6d2a6a1613505b3fcab16e54bc41ab826b0abc5ebfe546ac53089af76a60697a9c310bdf495e2b53897746c9215c21d76

  • \Windows\SysWOW64\rmass.exe

    Filesize

    19KB

    MD5

    674de50e2fdc2b2b7e6b222164b95c1d

    SHA1

    cf20d4d4df6a7f65d8114762cbbe741b2bee6914

    SHA256

    61b508728f38a268ed2122b99d1e53061fb880d8084e59a73dada5fe1e0bc840

    SHA512

    754246b5db57c3bc85511dc98ef1e2a6d2a6a1613505b3fcab16e54bc41ab826b0abc5ebfe546ac53089af76a60697a9c310bdf495e2b53897746c9215c21d76

  • memory/2608-2-0x0000000000020000-0x0000000000031000-memory.dmp

    Filesize

    68KB

  • memory/2608-6-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB