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Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-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
  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\42767abe4c15610d52358bdcaaa1d5b1.exe
    "C:\Users\Admin\AppData\Local\Temp\42767abe4c15610d52358bdcaaa1d5b1.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3032
    • 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:2540

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    133KB

    MD5

    8dfc77d5de483ec9d3362c16b0b467ae

    SHA1

    1b05143bf72ba2d18e1e75b4bda4085be63d1f3d

    SHA256

    ab54019954c76da7319e5ff54f6051b268fc075ac68b159bb57e09244cc353bd

    SHA512

    a1da19dc7e43c16459a602981eca6717ebaa1752fea9fe8e9c53b398965e7a1dbfc9bbe7edbbe9aa39053d1eb956c41bfc19ea088b2bbe583b8d2da9a0486e1e

  • memory/2540-18-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2540-20-0x00000000000E0000-0x0000000000101000-memory.dmp

    Filesize

    132KB

  • memory/2540-42-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/3032-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/3032-1-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3032-3-0x00000000001E0000-0x0000000000201000-memory.dmp

    Filesize

    132KB

  • memory/3032-15-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3032-13-0x0000000000340000-0x00000000003C6000-memory.dmp

    Filesize

    536KB

  • memory/3032-41-0x0000000000340000-0x00000000003C6000-memory.dmp

    Filesize

    536KB