Analysis

  • max time kernel
    142s
  • max time network
    150s
  • 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, 12:41

General

  • Target

    18d91936ae2ff22661979c1b77629e56.exe

  • Size

    133KB

  • MD5

    18d91936ae2ff22661979c1b77629e56

  • SHA1

    6637ffe85cf9b0c793a510a3dc1dbb77bd6e3a4e

  • SHA256

    ceab5830090927931dbb78b7f415b174fe5be11b7bf41a5460793e2c03143a7e

  • SHA512

    06447cd955702b291d8e51845a08315ae9eb1ae485b3b8510d1a078d1282b5615f5bda449a952957507fac99bbd401f35d8192a404c2b2af321fb0377f74b47a

  • SSDEEP

    3072:+nZ8H16O3Wpe2fGQkLZozRtkWq+7Ea3qu7Jy1c7WQWQ:IG1UQ2uQTC+XnKc7VWQ

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\18d91936ae2ff22661979c1b77629e56.exe
    "C:\Users\Admin\AppData\Local\Temp\18d91936ae2ff22661979c1b77629e56.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2088
    • C:\Users\Admin\AppData\Local\Temp\18d91936ae2ff22661979c1b77629e56.exe
      C:\Users\Admin\AppData\Local\Temp\18d91936ae2ff22661979c1b77629e56.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:3800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\18d91936ae2ff22661979c1b77629e56.exe

    Filesize

    133KB

    MD5

    620f37c50d502a4bafeaae64c1d2b5df

    SHA1

    bb83542c3c64e204614068280e72da640a111e1a

    SHA256

    8b632fdb5ecfb3240c9825e7c4d02e99ac465e27ec11501a6f47aad58c3bb029

    SHA512

    cbb0b1e5b3d60a23f0e87497959dda163a8f56e96d12e4db3c9413c617d853077fd63c57bb534dd4f42e12dadefcf4a710c2f08310680d03c899f64a5ce02ead

  • memory/2088-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2088-1-0x00000000001C0000-0x00000000001E1000-memory.dmp

    Filesize

    132KB

  • memory/2088-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2088-14-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3800-15-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/3800-17-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3800-16-0x00000000000D0000-0x00000000000F1000-memory.dmp

    Filesize

    132KB

  • memory/3800-31-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB