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Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    05/04/2024, 00:20

General

  • Target

    b85962e12e5fd524ce6992b3678651a80632e27f0584693172cee787ac699aec.exe

  • Size

    463KB

  • MD5

    423aff124c033fc749b037e8d77a3a39

  • SHA1

    be03d8f578fbd7f7386e04b78e86e7faff210669

  • SHA256

    b85962e12e5fd524ce6992b3678651a80632e27f0584693172cee787ac699aec

  • SHA512

    06d27fef2140a28c076635e012d623a2be5475082fba8ee2b13e4dded5234fe1c321d774eeff99d23927f8c4168cf7dc2f73e1ede0f45410f71b923ad8871572

  • SSDEEP

    12288:CEQoSsYfqQReG2D6xxC3lymPAnh30ZORKpLG:CRqQbvxC1ysAhS4

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 18 IoCs
  • UPX dump on OEP (original entry point) 20 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 20 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\b85962e12e5fd524ce6992b3678651a80632e27f0584693172cee787ac699aec.exe
    "C:\Users\Admin\AppData\Local\Temp\b85962e12e5fd524ce6992b3678651a80632e27f0584693172cee787ac699aec.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:2428
    • C:\Users\Admin\AppData\Local\Temp\b85962e12e5fd524ce6992b3678651a80632e27f0584693172cee787ac699aec.exe
      "C:\Users\Admin\AppData\Local\Temp\b85962e12e5fd524ce6992b3678651a80632e27f0584693172cee787ac699aec.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2540
      • C:\Users\Admin\AppData\Local\Temp\b85962e12e5fd524ce6992b3678651a80632e27f0584693172cee787ac699aec.exe
        "C:\Users\Admin\AppData\Local\Temp\b85962e12e5fd524ce6992b3678651a80632e27f0584693172cee787ac699aec.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2356

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Windows Sidebar\Shared Gadgets\russian horse gay sleeping .rar.exe

    Filesize

    1.2MB

    MD5

    5e2bb3fbc6b2e8917fc2a086bf2542dc

    SHA1

    30fb68bc9d896b2f662eff2f99bdec718e25acbf

    SHA256

    13c0366eac744c6b6297971095d37c152fdc42177370f51f048ab8ce18f12f3c

    SHA512

    0e0ac853bbce8c62c87a8cc837ca8a87d4ac75ef8d1a307bee56de83f50259f9c8753c5448ab9c137b3284e8e367f2c53704bc0fa92f7abddbf3f28ba3d53bb4

  • memory/2356-89-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2428-94-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2428-98-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2428-140-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2428-79-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2428-137-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2428-9-0x0000000004990000-0x00000000049AF000-memory.dmp

    Filesize

    124KB

  • memory/2428-90-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2428-91-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2428-0-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2428-134-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2428-101-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2428-114-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2428-117-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2428-120-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2428-125-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2428-128-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2428-131-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2540-11-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2540-88-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2540-52-0x00000000047B0000-0x00000000047CF000-memory.dmp

    Filesize

    124KB