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Analysis

  • max time kernel
    141s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22/04/2024, 21:14

General

  • Target

    a3ae588c463e6c816baedc6f5b29cfb89119aa483b31b6b7f62c23bca38bf899.exe

  • Size

    198KB

  • MD5

    101dd1992cd572375f6a8c3c2b1f9536

  • SHA1

    f516b6e64a3d6f82d598ccdb4ad663698483ac47

  • SHA256

    a3ae588c463e6c816baedc6f5b29cfb89119aa483b31b6b7f62c23bca38bf899

  • SHA512

    b5460494e799ff7b3d5506eaa27a42cde14fb5f230ec1566aee53e52d4c938edd6a4523e20ccec8ca6dfce5961087141fe2a8ae75917f566de821767379a432a

  • SSDEEP

    6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOF:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXg

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a3ae588c463e6c816baedc6f5b29cfb89119aa483b31b6b7f62c23bca38bf899.exe
    "C:\Users\Admin\AppData\Local\Temp\a3ae588c463e6c816baedc6f5b29cfb89119aa483b31b6b7f62c23bca38bf899.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1760
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\A3AE58~1.EXE > nul
      2⤵
      • Deletes itself
      PID:2564
  • C:\Windows\Debug\iuyhost.exe
    C:\Windows\Debug\iuyhost.exe
    1⤵
    • Executes dropped EXE
    • Checks processor information in registry
    PID:1668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\debug\iuyhost.exe

    Filesize

    198KB

    MD5

    72d2c2514e64f441c977f0448c7f25b0

    SHA1

    f602272200986efc623b842122651737b336d586

    SHA256

    59fd101c0e9b3cb7b09cf7f5e39840e999020d69e41b39c8a0cb662334504948

    SHA512

    843ca845a8e2c1580304f6d8d8b51b659306baf276e794bd71bf05b71200f2f992a18dcc83b9cd819095ff213c619afbe1d10b9326c4471daadc378819170e65