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
    07-04-2024 19:48

General

  • Target

    2ec939c19a80906c0da6e47528e6bd8b74fe5e0da9c75a1de01883a686284e0f.exe

  • Size

    88KB

  • MD5

    315f46da55066392ff0a1af5d10f7e41

  • SHA1

    c05309d3d203724556bf79a765922f49b12607e3

  • SHA256

    2ec939c19a80906c0da6e47528e6bd8b74fe5e0da9c75a1de01883a686284e0f

  • SHA512

    a78987b29dc16b9a9c8ff58d520ebaf0ad904624275d46726c64069a95dbaf6edb24be511832594f3676c5d1686f0e12f0220f24db62e43d76c25f76f0df529c

  • SSDEEP

    1536:dFJz/vArEqF8F1DXE2HCIkjDL6jlT/V1Ayj4m/QWR/Rlq88vlnRqPR/1aViYzbS:dvs4dDXEGCLElJ1Tj4mYWR/R4nkPR/1X

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 2 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 8 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\2ec939c19a80906c0da6e47528e6bd8b74fe5e0da9c75a1de01883a686284e0f.exe
    "C:\Users\Admin\AppData\Local\Temp\2ec939c19a80906c0da6e47528e6bd8b74fe5e0da9c75a1de01883a686284e0f.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:2684
    • C:\Users\Admin\AppData\Local\Temp\2ec939c19a80906c0da6e47528e6bd8b74fe5e0da9c75a1de01883a686284e0f.exe
      "C:\Users\Admin\AppData\Local\Temp\2ec939c19a80906c0da6e47528e6bd8b74fe5e0da9c75a1de01883a686284e0f.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2780
      • C:\Users\Admin\AppData\Local\Temp\2ec939c19a80906c0da6e47528e6bd8b74fe5e0da9c75a1de01883a686284e0f.exe
        "C:\Users\Admin\AppData\Local\Temp\2ec939c19a80906c0da6e47528e6bd8b74fe5e0da9c75a1de01883a686284e0f.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1072

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Windows Sidebar\Shared Gadgets\italian handjob xxx licking (Sylvia).avi.exe

    Filesize

    741KB

    MD5

    c87a39b7e76f1983489cda49216fc809

    SHA1

    f613b41c79b7016536e45c9c9f407b0e2d0cd928

    SHA256

    5a36ec1c4f8486b5c5268f1d4f5f466dff167561a039f65f0c8aeced915cf05c

    SHA512

    836ee695bcf9a947adb490c8389cecac6b63cd06b1f342e2f82e22b50b90831eb5ade36fcfeb440087f91348a84c603755d9f22849a31ce8d35da867191e1fcb

  • memory/1072-91-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1072-113-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2684-0-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2684-56-0x0000000005150000-0x000000000516E000-memory.dmp

    Filesize

    120KB

  • memory/2684-107-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2684-109-0x0000000005150000-0x000000000516E000-memory.dmp

    Filesize

    120KB

  • memory/2780-57-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2780-90-0x0000000004AA0000-0x0000000004ABE000-memory.dmp

    Filesize

    120KB

  • memory/2780-110-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2780-112-0x0000000004AA0000-0x0000000004ABE000-memory.dmp

    Filesize

    120KB