Analysis

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

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    06/04/2024, 04:59

General

  • Target

    fc5f4a4ad33385460e01995fd59c26edf2519b0b70f36eab9e1c5dd9008c488b.exe

  • Size

    133KB

  • MD5

    6ac6e44c808e6bc785b99503a70af27a

  • SHA1

    4bb473c9cd69622b5a4f099300909094f05ff321

  • SHA256

    fc5f4a4ad33385460e01995fd59c26edf2519b0b70f36eab9e1c5dd9008c488b

  • SHA512

    d85a08ea317fc1e7e720157b78000d625e3dccf590c80e65b67d979c922de85e8d74bbc2e62f5d5ee698ca10b9abbf3f5ef65f17e03e450a59c0e136767109f3

  • SSDEEP

    3072:oGqIGRpTa9p1om9PW/pqqsFUCN3R9MI+IY+h+Bbqqx0/V9:oGHGRpO9p1om9+xs3NBBDh+BbJC/L

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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\fc5f4a4ad33385460e01995fd59c26edf2519b0b70f36eab9e1c5dd9008c488b.exe
    "C:\Users\Admin\AppData\Local\Temp\fc5f4a4ad33385460e01995fd59c26edf2519b0b70f36eab9e1c5dd9008c488b.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:2132
    • C:\Users\Admin\AppData\Local\Temp\fc5f4a4ad33385460e01995fd59c26edf2519b0b70f36eab9e1c5dd9008c488b.exe
      "C:\Users\Admin\AppData\Local\Temp\fc5f4a4ad33385460e01995fd59c26edf2519b0b70f36eab9e1c5dd9008c488b.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2412
      • C:\Users\Admin\AppData\Local\Temp\fc5f4a4ad33385460e01995fd59c26edf2519b0b70f36eab9e1c5dd9008c488b.exe
        "C:\Users\Admin\AppData\Local\Temp\fc5f4a4ad33385460e01995fd59c26edf2519b0b70f36eab9e1c5dd9008c488b.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2928

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files\Windows Sidebar\Shared Gadgets\spanish horse animal hot (!) black hairunshaved (Anniston).avi.exe

          Filesize

          1.8MB

          MD5

          29287739022b6e8317b8592c86d85008

          SHA1

          5cb48119ea10e6c7a22fa524adf050099375960e

          SHA256

          e0665d4f6188e1e498df80510fb5d98365536ee08d169e0416bba0f5cf9b4869

          SHA512

          b6586253052806d1e529eb78f47e0d9b59228a44363025cc48100575e5dd0f127656d2a5eb6b2fe8febbb4c0f8dcf9ff9649f49083d3e0fb06a82f7fbf1675d1