Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03/04/2024, 18:24

General

  • Target

    091ca27bca23c9221911b2b6e44574173a4df0a0e00f5e59e15686be8e3b38e5.exe

  • Size

    234KB

  • MD5

    36ea4f0e5583c44848ba59ef59350806

  • SHA1

    c9f18716291ca8cd2772e91eacd98ce7ca8abe6b

  • SHA256

    091ca27bca23c9221911b2b6e44574173a4df0a0e00f5e59e15686be8e3b38e5

  • SHA512

    19a084c812985d7e9a2c20aff3d01583bbcd87b219f9dd1ef5e27f84ef770f2da6b886a605901f962ec0b1ef47078e790bc27ca9430d030766ceed2f3e3b1d52

  • SSDEEP

    6144:YjluQoSPIo5R4nM/40yJN1O2X0FTGoqqPMzjgZ4P6wlUwehSfs:YEQoSpqhv3XmGDiMPgZ1bhSk

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 4 IoCs
  • UPX dump on OEP (original entry point) 7 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 7 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 10 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\091ca27bca23c9221911b2b6e44574173a4df0a0e00f5e59e15686be8e3b38e5.exe
    "C:\Users\Admin\AppData\Local\Temp\091ca27bca23c9221911b2b6e44574173a4df0a0e00f5e59e15686be8e3b38e5.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Users\Admin\AppData\Local\Temp\091ca27bca23c9221911b2b6e44574173a4df0a0e00f5e59e15686be8e3b38e5.exe
      "C:\Users\Admin\AppData\Local\Temp\091ca27bca23c9221911b2b6e44574173a4df0a0e00f5e59e15686be8e3b38e5.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2564
      • C:\Users\Admin\AppData\Local\Temp\091ca27bca23c9221911b2b6e44574173a4df0a0e00f5e59e15686be8e3b38e5.exe
        "C:\Users\Admin\AppData\Local\Temp\091ca27bca23c9221911b2b6e44574173a4df0a0e00f5e59e15686be8e3b38e5.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2492

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files\Windows Sidebar\Shared Gadgets\norwegian porn animal several models hairy .avi.exe

          Filesize

          2.0MB

          MD5

          758a114b05413211d9f50f2fb1732156

          SHA1

          eaf0695171f72b0331bc5b92480296121e0caf3a

          SHA256

          baf15d29bd5be1bc12413d361128f5ddd7211497cab0e0983eeb5fc72abe7bf9

          SHA512

          0c365f7ded5dc0d2850684a12de1dcb66c57b4fc3f2f6ee42d18a42339e0bdb26b5680d3efd0e49d43a0e867a1f72720195c3c3c585c6af9295b4d8f484c4928

        • memory/2020-0-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2020-104-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2020-106-0x0000000004F40000-0x0000000004F60000-memory.dmp

          Filesize

          128KB

        • memory/2492-88-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2492-110-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2564-52-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2564-86-0x0000000004A90000-0x0000000004AB0000-memory.dmp

          Filesize

          128KB

        • memory/2564-107-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2564-108-0x0000000004A90000-0x0000000004AB0000-memory.dmp

          Filesize

          128KB