Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2023, 13:13

General

  • Target

    377c99881f50f9b0c1acb654f92779b0.exe

  • Size

    302KB

  • MD5

    377c99881f50f9b0c1acb654f92779b0

  • SHA1

    5231d4623b759b92c3bf43e58994984d457da138

  • SHA256

    6bef6f31354cf968df5cc444e1b7a001ed5f956ad54d63e4638492924037b04a

  • SHA512

    fdd1ad1a0cc08ba1b170788fe819fc847f00d2256e3bbe9f8b2231a4fa1f793d29dd10a2b5fac0f1ee7a40d9268c428685f09d7d12066e83d1271259f6761eea

  • SSDEEP

    3072:uzMsHe/LYKpO4J0Em/MS19x/wVHNA8wLjtqr9g8kns7D5BR4NmeF9Yo8zpBsVJWP:uzMuKpvimZNqhOks7lBO9x24xmQ

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 1 IoCs

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

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\377c99881f50f9b0c1acb654f92779b0.exe
    "C:\Users\Admin\AppData\Local\Temp\377c99881f50f9b0c1acb654f92779b0.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:116
    • C:\Users\Admin\AppData\Local\Temp\377c99881f50f9b0c1acb654f92779b0.exe
      C:\Users\Admin\AppData\Local\Temp\377c99881f50f9b0c1acb654f92779b0.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:3460

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/116-0-0x0000000000400000-0x00000000004E0000-memory.dmp

          Filesize

          896KB

        • memory/116-1-0x0000000021600000-0x0000000021631000-memory.dmp

          Filesize

          196KB

        • memory/116-2-0x0000000000400000-0x000000000043E000-memory.dmp

          Filesize

          248KB

        • memory/116-14-0x0000000000400000-0x000000000043E000-memory.dmp

          Filesize

          248KB

        • memory/3460-16-0x0000000000140000-0x0000000000171000-memory.dmp

          Filesize

          196KB

        • memory/3460-15-0x0000000000400000-0x00000000004E0000-memory.dmp

          Filesize

          896KB

        • memory/3460-31-0x0000000000400000-0x00000000004E0000-memory.dmp

          Filesize

          896KB