Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-03-2024 16:54

General

  • Target

    bf1efca4c6509a2ad25a9e8ecce6176b.exe

  • Size

    2.6MB

  • MD5

    bf1efca4c6509a2ad25a9e8ecce6176b

  • SHA1

    90899fd35fc15fcaa74af2477fe9cc15bd5b38ae

  • SHA256

    ef836c7c9ee2df8e880ea3ae0df5715ca036511bf7e157da1555c1f4f189dacf

  • SHA512

    17dd7029b209e07d6aff7b153e1946e002cdcc408e3660baa4d645ef9804a349d0a17fcd766f68eba1e8c7fb6243638e463ab10bd41c76e5e6901d7f7b2440af

  • SSDEEP

    49152:9G90xqZbh2DdcKOu9TlhTz73QVoBIMk5oBg0NRQnZ/day3:QbKBZsV+1MPz3

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 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\bf1efca4c6509a2ad25a9e8ecce6176b.exe
    "C:\Users\Admin\AppData\Local\Temp\bf1efca4c6509a2ad25a9e8ecce6176b.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3628
    • C:\Users\Admin\AppData\Local\Temp\bf1efca4c6509a2ad25a9e8ecce6176b.exe
      C:\Users\Admin\AppData\Local\Temp\bf1efca4c6509a2ad25a9e8ecce6176b.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:1116

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\bf1efca4c6509a2ad25a9e8ecce6176b.exe

    Filesize

    2.6MB

    MD5

    447695a07a5dfa2182c56754bcd65576

    SHA1

    9bca4e143a302e64e25abf5eff954de2c28fef1d

    SHA256

    0d1a330fb275db287f1770faa38b08069cb10a929b36d2fd0c46041694204194

    SHA512

    42a123b7c9f08bd5c557b60fd32ac5451ac1aa7dc63bc08a4f4bc7ec6dc0c47339495844aa47ec7457970c41e8cae6ea43eac997b364c63dde3a11eb853eb789

  • memory/1116-15-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/1116-17-0x0000000002120000-0x000000000237A000-memory.dmp

    Filesize

    2.4MB

  • memory/1116-30-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/3628-0-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/3628-1-0x00000000021C0000-0x000000000241A000-memory.dmp

    Filesize

    2.4MB

  • memory/3628-2-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/3628-13-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB