Analysis

  • max time kernel
    121s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-08-2023 21:06

General

  • Target

    a76ed3f0da110864ba52d9ae06cc96b7ee8726dad52723761f83189ba4366e56.exe

  • Size

    1.4MB

  • MD5

    20f87202873c963b5953d40dcdeaf21f

  • SHA1

    1f1efec8df8dbf9c87996d616584ee36cb41e852

  • SHA256

    a76ed3f0da110864ba52d9ae06cc96b7ee8726dad52723761f83189ba4366e56

  • SHA512

    d8ac853ef0a5338b1a905c8a4e255cdd3d6dc6be58f92fbce6196983de3148399699388177f7eb1caf7eb9b704de372c6c2b32186e86c86b755e8ab6db86e76c

  • SSDEEP

    24576:Ws0UCBKgJUENE808xcbTHJb+yAEGIuRyLC+b/fN:hyz+wrFzZe

Score
7/10
upx

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • UPX packed file 2 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a76ed3f0da110864ba52d9ae06cc96b7ee8726dad52723761f83189ba4366e56.exe
    "C:\Users\Admin\AppData\Local\Temp\a76ed3f0da110864ba52d9ae06cc96b7ee8726dad52723761f83189ba4366e56.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:216

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\yfr.dll

    Filesize

    52KB

    MD5

    fdc8b75a37017141831e3421479307be

    SHA1

    f6a08cc570d5e5bc4218da376ca353d46d62790d

    SHA256

    2a37ce301490bd4b7c5d02b768b054705fe4620db6ef81061718c1fe89c9f27e

    SHA512

    d74e2de28523317c928965affa464cef6ba5c4da9ab05d30a79a4d3bbb59284d68331b5735c705cf73e155cf3a42b01ef5cd7219c72c242eed6b711090066537

  • C:\Windows\SysWOW64\yfr.dll

    Filesize

    52KB

    MD5

    fdc8b75a37017141831e3421479307be

    SHA1

    f6a08cc570d5e5bc4218da376ca353d46d62790d

    SHA256

    2a37ce301490bd4b7c5d02b768b054705fe4620db6ef81061718c1fe89c9f27e

    SHA512

    d74e2de28523317c928965affa464cef6ba5c4da9ab05d30a79a4d3bbb59284d68331b5735c705cf73e155cf3a42b01ef5cd7219c72c242eed6b711090066537

  • memory/216-133-0x0000000000EB0000-0x0000000001035200-memory.dmp

    Filesize

    1.5MB

  • memory/216-135-0x0000000010000000-0x0000000010018000-memory.dmp

    Filesize

    96KB

  • memory/216-140-0x0000000004D00000-0x0000000004D0F000-memory.dmp

    Filesize

    60KB

  • memory/216-143-0x0000000010000000-0x0000000010018000-memory.dmp

    Filesize

    96KB

  • memory/216-144-0x0000000000EB0000-0x0000000001035200-memory.dmp

    Filesize

    1.5MB