Analysis

  • max time kernel
    20s
  • max time network
    121s
  • 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, 23:54

General

  • Target

    3b6335a0e5392103d729d6fb6a3e89b2.exe

  • Size

    302KB

  • MD5

    3b6335a0e5392103d729d6fb6a3e89b2

  • SHA1

    00a33532ca3e9870c16851fbe96c652f1f45aa56

  • SHA256

    b499ef18edbb7f3d2443cc95e6ce0581d76abb6dcefbcdc2b9f7a0909a35f5db

  • SHA512

    b31f27488f0ef90ca2938a826b7ba50fd4fa8c15499bf9798a433de01b14cf58254f34ff27fb9b45b2787dba737d3b2d73f19f21cb46070e61b3a189733b9240

  • SSDEEP

    3072:4BcRT8mcLE5d801+UGEzaZu6/zVTfd5FKPh+82CeHNxP/NJgETvgwVHu0EX3N+r5:ScRgmDeVU+/zJFq+WM/QETvWmQ

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 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\3b6335a0e5392103d729d6fb6a3e89b2.exe
    "C:\Users\Admin\AppData\Local\Temp\3b6335a0e5392103d729d6fb6a3e89b2.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3312
    • C:\Users\Admin\AppData\Local\Temp\3b6335a0e5392103d729d6fb6a3e89b2.exe
      C:\Users\Admin\AppData\Local\Temp\3b6335a0e5392103d729d6fb6a3e89b2.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2760

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3b6335a0e5392103d729d6fb6a3e89b2.exe

    Filesize

    38KB

    MD5

    775ce79f3f29a65794bf99e3d911df52

    SHA1

    5e1b08f8371bb5124997165936e49684193e9de8

    SHA256

    4cad448dcc51510ffa0d3eca68e07c9e68fa6b5b4677e606940400ce8fabfa54

    SHA512

    5a303a49fe6464eb8fa49db9ab3dd0fa18d30846b463b427d81216d3675ba62b75ab63d5f0566cc50e9b4feff7edc10872eec32329246f27d2ff05da314695bf

  • memory/2760-18-0x00000000014E0000-0x0000000001511000-memory.dmp

    Filesize

    196KB

  • memory/2760-15-0x0000000000400000-0x00000000004E0000-memory.dmp

    Filesize

    896KB

  • memory/2760-31-0x0000000000400000-0x00000000004E0000-memory.dmp

    Filesize

    896KB

  • memory/3312-0-0x0000000000400000-0x00000000004E0000-memory.dmp

    Filesize

    896KB

  • memory/3312-1-0x00000000014E0000-0x0000000001511000-memory.dmp

    Filesize

    196KB

  • memory/3312-16-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/3312-2-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB