Analysis

  • max time kernel
    117s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30/12/2023, 12:15

General

  • Target

    183439d471609dc4b2f9879bb4bf8eca.exe

  • Size

    133KB

  • MD5

    183439d471609dc4b2f9879bb4bf8eca

  • SHA1

    d515aa0ed0303d8be9f1a9527f53ce5da34062c7

  • SHA256

    c4aada50d938222cbf25bc3a6897e0c75f54f0f6bb3ffc3a7cfbceb466354560

  • SHA512

    3aaa54cb5a86b193e76c5e13d4c806ce861bdbf26bd6a8ff2b9ec6a1b32e23337244141a5f8df0ac88fd1de3352775f86380af51a4c0592d76846bb7630d1798

  • SSDEEP

    3072:o+8ShjvbywEnSV/A8ImQvfpUY207gWHQh6+EQ:VjblEnS9opUA75/+EQ

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\183439d471609dc4b2f9879bb4bf8eca.exe
    "C:\Users\Admin\AppData\Local\Temp\183439d471609dc4b2f9879bb4bf8eca.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2132
    • C:\Users\Admin\AppData\Local\Temp\183439d471609dc4b2f9879bb4bf8eca.exe
      C:\Users\Admin\AppData\Local\Temp\183439d471609dc4b2f9879bb4bf8eca.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\183439d471609dc4b2f9879bb4bf8eca.exe

    Filesize

    133KB

    MD5

    f8320eec8bfcf8c94dfb32d12c66a629

    SHA1

    7a706bc0f1e024565298b5a7231596f1d1843c34

    SHA256

    b603d19a162045fb8bcc83c988bec159dfc40561d377be44c0876fe474c7ff76

    SHA512

    614b91096031de69733065d1dc0cb23d6c2f9a9e26f9efb23f23c4f81555a8b019bb262596778e03cc498ad9c42a913faa71ef485b597b9daca898fc1839cf9f

  • memory/2132-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2132-2-0x00000000001E0000-0x0000000000201000-memory.dmp

    Filesize

    132KB

  • memory/2132-1-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2132-13-0x0000000000340000-0x00000000003C6000-memory.dmp

    Filesize

    536KB

  • memory/2132-15-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2692-19-0x00000000001E0000-0x0000000000201000-memory.dmp

    Filesize

    132KB

  • memory/2692-41-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB