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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/12/2024, 11:17

General

  • Target

    4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9.exe

  • Size

    265KB

  • MD5

    22571c71b56b02948b7087e3082e55dd

  • SHA1

    a5e658bede428d3526efd2356f34bb39e890ea3b

  • SHA256

    4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9

  • SHA512

    4d9490647d4f546d8f6afe71ecff07fae4886d059545372f64470f32fca906207fe4ca44ad22b560eaf77f21a031d57f6e612744413b6d041d1ca26198c01f86

  • SSDEEP

    3072:0Y4UBFIq/C3gYvtYtJoVwdHKKNuvpduV8d4i/3pb5kueEe8cRXgM26bHgEZkvhrT:PHbtXujuDg3VqueEyEGHPk5d13Hrn

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Ramnit family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 1 IoCs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9.exe
    "C:\Users\Admin\AppData\Local\Temp\4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5012
    • C:\Users\Admin\AppData\Local\Temp\4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9mgr.exe
      C:\Users\Admin\AppData\Local\Temp\4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9mgr.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3904
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 556
        3⤵
        • Program crash
        PID:980
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:4984
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3904 -ip 3904
      1⤵
        PID:2924

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\4b4a118d516551ad498a2eda0b87abfaa6caa8a90e4ac9fdf56fe0ef7783e5e9mgr.exe

        Filesize

        119KB

        MD5

        2b82e42b86124939e0b3e611eae490cf

        SHA1

        a298ab41ac42bab05dc103892986ae97f1f9ea9c

        SHA256

        5ba6cbdbe30aa65c7423b1b996e025e1ab011e83ce66d7d9376c5d6ac76b9237

        SHA512

        2a6334bdf1f034f1f69570bfcfbe96ddc6d8058b876c5cc5757d6426095c4a7cfefba1f557773606ca2e7c1960f8f3660a963ddef48369ebd51df4c9668d448c

      • C:\Users\Admin\AppData\Local\Temp\~TM7E86.tmp

        Filesize

        1.6MB

        MD5

        4f3387277ccbd6d1f21ac5c07fe4ca68

        SHA1

        e16506f662dc92023bf82def1d621497c8ab5890

        SHA256

        767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

        SHA512

        9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

      • memory/3904-4-0x0000000000400000-0x000000000042E000-memory.dmp

        Filesize

        184KB

      • memory/3904-6-0x0000000000400000-0x000000000042E000-memory.dmp

        Filesize

        184KB

      • memory/5012-0-0x0000000000400000-0x000000000044B000-memory.dmp

        Filesize

        300KB

      • memory/5012-13-0x0000000000400000-0x000000000044B000-memory.dmp

        Filesize

        300KB