Analysis

  • max time kernel
    151s
  • max time network
    170s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-01-2024 01:51

General

  • Target

    42767abe4c15610d52358bdcaaa1d5b1.exe

  • Size

    133KB

  • MD5

    42767abe4c15610d52358bdcaaa1d5b1

  • SHA1

    a64e0bcdf4a0f4f0c40d7458f8430c5577edcff4

  • SHA256

    3896d8f9430a09e707b0a9a01b423bd94e5177c1d7a0431ebe153c6a58bee03a

  • SHA512

    54e3dad21fcd054fd3bbe068f30cecdb128597f464b74c5413b4cc0b6902b2b00313d04c3e056c2eca49dd0a0a889c106ad28be0de002649ef283776c9cb18f4

  • SSDEEP

    3072:W9ispbw+FNE/vCvJUwezpS8Qt6AGnbjGyonhjACOZQ:psO+FNE/vCv8k8Qt6AeEKQ

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\42767abe4c15610d52358bdcaaa1d5b1.exe
    "C:\Users\Admin\AppData\Local\Temp\42767abe4c15610d52358bdcaaa1d5b1.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1648
    • C:\Users\Admin\AppData\Local\Temp\42767abe4c15610d52358bdcaaa1d5b1.exe
      C:\Users\Admin\AppData\Local\Temp\42767abe4c15610d52358bdcaaa1d5b1.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2460

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\42767abe4c15610d52358bdcaaa1d5b1.exe

    Filesize

    133KB

    MD5

    19fc200ac52a196d686c8a0c653d9ac7

    SHA1

    b124c711c74d37bb28b548365ec76742b5ce95db

    SHA256

    6d76e3a77d2d3463bc13c6bdba96be84b70b88bd37d16f06f86dcddff1d6c638

    SHA512

    f53ebd8f9336bcae512ad88a210b49fc4407e0f3c5d5479b70c38f56f362cc4774a27387618b5640134a44f7d771f35cf04a7629a4b0078262493cfee956b73c

  • memory/1648-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1648-1-0x00000000001C0000-0x00000000001E1000-memory.dmp

    Filesize

    132KB

  • memory/1648-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1648-14-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2460-15-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2460-16-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2460-17-0x00000000001C0000-0x00000000001E1000-memory.dmp

    Filesize

    132KB

  • memory/2460-28-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB