Analysis

  • max time kernel
    135s
  • 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
    31/12/2023, 22:16

General

  • Target

    3b335d86456b6524241328ba939d1f66.exe

  • Size

    133KB

  • MD5

    3b335d86456b6524241328ba939d1f66

  • SHA1

    cd37e8f4d46b33bc32a797916c9bba419122be57

  • SHA256

    744a195ef9ee762acdee74e86f5d9d5f38f482bd1279abf2a661c34313246f01

  • SHA512

    20dd50edd48e3b397c2553925edd2475dbba85fcce6bd569ec9b8c11247dad47509da4ecc8dd7a5efbcfe450ba86eefa42e9037a465d0d48ea86139c6787d709

  • SSDEEP

    3072:4YKPPfSGWH39i2ypFkQMjk+mIxpgzyqDlPNYvU9A5Q:nYWt/ikQWplxOeqDlicA5Q

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\3b335d86456b6524241328ba939d1f66.exe
    "C:\Users\Admin\AppData\Local\Temp\3b335d86456b6524241328ba939d1f66.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2084
    • C:\Users\Admin\AppData\Local\Temp\3b335d86456b6524241328ba939d1f66.exe
      C:\Users\Admin\AppData\Local\Temp\3b335d86456b6524241328ba939d1f66.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:3644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3b335d86456b6524241328ba939d1f66.exe

    Filesize

    133KB

    MD5

    fe7e4e435b27205a366af9f2c8d08f9e

    SHA1

    2ad73aaa2228c25d15c99a955aaff4d5306f4957

    SHA256

    fa7aa38b2791df2bbac637d5547480a1e9118f45673891c22bf828d864cf2423

    SHA512

    a55fb6a8ec9f8704b48885272482360ef4bc5ba3bd0b28cad09a702fd986b31b7751e05290acedc54250bb5f7b29c98b482098f10c8370acbf4926704344313a

  • memory/2084-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2084-1-0x00000000001C0000-0x00000000001E1000-memory.dmp

    Filesize

    132KB

  • memory/2084-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2084-13-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3644-14-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/3644-15-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3644-17-0x00000000001A0000-0x00000000001C1000-memory.dmp

    Filesize

    132KB

  • memory/3644-30-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB