Analysis

  • max time kernel
    161s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2023, 14:23

General

  • Target

    1b51850ae18f84c31ef5ee4391636237.exe

  • Size

    5.1MB

  • MD5

    1b51850ae18f84c31ef5ee4391636237

  • SHA1

    f99658f2b29edcddf15d0082b918e87034e64346

  • SHA256

    68a41e2117e39c93541da0c4fa7f74e55fe492a6c5ffa02883ac7a5171ba2786

  • SHA512

    bf250fc32d175eea0cfad51bd38beca058711aeb1a8ab930c988adc1c129faabce6a50d9cc9c6c58a53520f8f73db152357a8eed9c0308da6f9078475372873e

  • SSDEEP

    98304:1h8MLmCLH4N/RM3S11qronI0Iy5fKP7grvYLS3:1hCKH4RVa0j9

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.

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1b51850ae18f84c31ef5ee4391636237.exe
    "C:\Users\Admin\AppData\Local\Temp\1b51850ae18f84c31ef5ee4391636237.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3748
    • C:\Users\Admin\AppData\Local\Temp\1b51850ae18f84c31ef5ee4391636237.exe
      C:\Users\Admin\AppData\Local\Temp\1b51850ae18f84c31ef5ee4391636237.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:5016

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\1b51850ae18f84c31ef5ee4391636237.exe

    Filesize

    5.1MB

    MD5

    3773a7dc58752de73ca25778ab722341

    SHA1

    ec468a58702d7e652cfa49fe8579a4da27acdee3

    SHA256

    d9d5d411e619cfe36ad98fe8d087c3ec844b698e11622eab6c746c74fde6bb2d

    SHA512

    c66deee1f01ddb8136d0b6fb5dda00b6e48a471840e320bcab65f78e52073a464fa07013ba63b40881a636dd4d15e87ecf19f0e09a2161055226a3456dd67872

  • memory/3748-0-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/3748-1-0x00000000021A0000-0x00000000023FA000-memory.dmp

    Filesize

    2.4MB

  • memory/3748-2-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/3748-13-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/5016-15-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/5016-16-0x00000000021D0000-0x000000000242A000-memory.dmp

    Filesize

    2.4MB

  • memory/5016-22-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB