Analysis

  • max time kernel
    140s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2023 12:48

General

  • Target

    8e1945584171391605fb2082625e2fdf.exe

  • Size

    133KB

  • MD5

    8e1945584171391605fb2082625e2fdf

  • SHA1

    bd4f0b07e613186d7d7ecb93b5c23a8eff84faf6

  • SHA256

    1bbc86839f91845c7d98bba5d168a012fc1d64061679c2bbeea35bf6432a0637

  • SHA512

    b2624daacc82496a1128898f9a471a9ad1cdf1acd823a955113d8f701c3b598b847a011422ca3897c46d00e73f09db0269d431fab8184c56ab28f0fbc9101652

  • SSDEEP

    3072:mN/tMbjfJD1oeP075yv9hGNelMjAs6NXWu285TdiEOBnSQ:mVtMffthq5yv2eaj16Nm+5T0EnQ

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 2 IoCs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8e1945584171391605fb2082625e2fdf.exe
    "C:\Users\Admin\AppData\Local\Temp\8e1945584171391605fb2082625e2fdf.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2196
    • C:\Users\Admin\AppData\Local\Temp\8e1945584171391605fb2082625e2fdf.exe
      C:\Users\Admin\AppData\Local\Temp\8e1945584171391605fb2082625e2fdf.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:1968

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\8e1945584171391605fb2082625e2fdf.exe

    Filesize

    133KB

    MD5

    648381df6d3753ce02be99e1db627a1d

    SHA1

    02bc57b77e4abedd64792a4aa57297a268ce74a1

    SHA256

    aa897180644a570117fc9bb8e23e448a70673a7f82a77dd116c8314e42bdd525

    SHA512

    4416775e7347d4832ca28bf41e471cb64b524852712d4ed9be6e8247388d7892bece5a1c1f17dbadfa75daba4ffa227e28a5e935434142e22335cb8ea4100f7c

  • memory/1968-18-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1968-20-0x0000000000170000-0x0000000000191000-memory.dmp

    Filesize

    132KB

  • memory/1968-33-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2196-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2196-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2196-1-0x0000000000180000-0x00000000001A1000-memory.dmp

    Filesize

    132KB

  • memory/2196-16-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2196-15-0x0000000000330000-0x00000000003B6000-memory.dmp

    Filesize

    536KB