Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    03-02-2024 21:31

General

  • Target

    8d65c4c65d19a0feb9418eb2607a35d4.exe

  • Size

    133KB

  • MD5

    8d65c4c65d19a0feb9418eb2607a35d4

  • SHA1

    43802a83bb41d0a32de33acf7ec12fa5ad863876

  • SHA256

    9ea78acdd6968dea0eda18f948f70dc705e3fd2507f7b9a843ca9c1050d2ae57

  • SHA512

    8f7d2d09e7e2e9cd9e943f7fe23299b3a5f298b64a5da9916271e0b1506f71d4671d040b26314d937baad755fcb6eacfbb7ca02ac0633b656f4c896a66c440fd

  • SSDEEP

    3072:wHThtsiLNEBQNI2G6lwoRMZsXBFKVm+T2Bm40sqao5BXAQ:wH799LGX9KRgftFaEBwQ

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\8d65c4c65d19a0feb9418eb2607a35d4.exe
    "C:\Users\Admin\AppData\Local\Temp\8d65c4c65d19a0feb9418eb2607a35d4.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2480
    • C:\Users\Admin\AppData\Local\Temp\8d65c4c65d19a0feb9418eb2607a35d4.exe
      C:\Users\Admin\AppData\Local\Temp\8d65c4c65d19a0feb9418eb2607a35d4.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2004

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\8d65c4c65d19a0feb9418eb2607a35d4.exe

    Filesize

    133KB

    MD5

    205b5461cc5350ed9cc5127bfa89f1b3

    SHA1

    d51e88f3a6ec78439c12bd87f48fbca84a0dfc98

    SHA256

    0f0a33c3bcadcdd2a30663428254cc0d8ae1c8ccbfd03003fa3c3710994006f7

    SHA512

    5584da12fd90d9b1d37e36c664dca40ceeec7bfd4fa1c7eef3f3fceb599c2510ccd6febcb4e3a006c0fcc9d22eb5c5526f6fd6b8ba1c5cf96eb27db5b2bfe141

  • memory/2004-18-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2004-20-0x0000000000150000-0x0000000000171000-memory.dmp

    Filesize

    132KB

  • memory/2004-42-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2480-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2480-1-0x00000000001E0000-0x0000000000201000-memory.dmp

    Filesize

    132KB

  • memory/2480-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2480-15-0x0000000002CB0000-0x0000000002D36000-memory.dmp

    Filesize

    536KB

  • memory/2480-14-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB