Analysis

  • max time kernel
    94s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 22:23

General

  • Target

    f43d94993c286933988d5474093d1fcf6f60311b0c3b8a0c3cff20499d1e16e4N.exe

  • Size

    265KB

  • MD5

    4e4b28563658f3c6470af216f13bca40

  • SHA1

    3da6a9e888b1f5aa023d8066d2bec9c71633f677

  • SHA256

    f43d94993c286933988d5474093d1fcf6f60311b0c3b8a0c3cff20499d1e16e4

  • SHA512

    bd110e3c1b1d0e847c92ed871c6ef0715082f829452a120589fde160974574fe07a620e49a32d1b80962167df9d3e980f2fbae02ce9afad4e5d50cee91fe2084

  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 1 IoCs

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

  • Program crash 2 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 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f43d94993c286933988d5474093d1fcf6f60311b0c3b8a0c3cff20499d1e16e4N.exe
    "C:\Users\Admin\AppData\Local\Temp\f43d94993c286933988d5474093d1fcf6f60311b0c3b8a0c3cff20499d1e16e4N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:392
    • C:\Users\Admin\AppData\Local\Temp\f43d94993c286933988d5474093d1fcf6f60311b0c3b8a0c3cff20499d1e16e4Nmgr.exe
      C:\Users\Admin\AppData\Local\Temp\f43d94993c286933988d5474093d1fcf6f60311b0c3b8a0c3cff20499d1e16e4Nmgr.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4620
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4620 -s 560
        3⤵
        • Program crash
        PID:2268
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:1616
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1616 -s 12
          3⤵
          • Program crash
          PID:2580
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4620 -ip 4620
      1⤵
        PID:4804
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1616 -ip 1616
        1⤵
          PID:804

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\f43d94993c286933988d5474093d1fcf6f60311b0c3b8a0c3cff20499d1e16e4Nmgr.exe

          Filesize

          119KB

          MD5

          2b82e42b86124939e0b3e611eae490cf

          SHA1

          a298ab41ac42bab05dc103892986ae97f1f9ea9c

          SHA256

          5ba6cbdbe30aa65c7423b1b996e025e1ab011e83ce66d7d9376c5d6ac76b9237

          SHA512

          2a6334bdf1f034f1f69570bfcfbe96ddc6d8058b876c5cc5757d6426095c4a7cfefba1f557773606ca2e7c1960f8f3660a963ddef48369ebd51df4c9668d448c

        • C:\Users\Admin\AppData\Local\Temp\~TMC488.tmp

          Filesize

          1.6MB

          MD5

          4f3387277ccbd6d1f21ac5c07fe4ca68

          SHA1

          e16506f662dc92023bf82def1d621497c8ab5890

          SHA256

          767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

          SHA512

          9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

        • memory/392-0-0x0000000000400000-0x000000000044B000-memory.dmp

          Filesize

          300KB

        • memory/392-23-0x0000000000400000-0x000000000044B000-memory.dmp

          Filesize

          300KB

        • memory/1616-17-0x0000000000400000-0x000000000044B000-memory.dmp

          Filesize

          300KB

        • memory/1616-19-0x0000000000400000-0x000000000044B000-memory.dmp

          Filesize

          300KB

        • memory/1616-18-0x0000000000400000-0x000000000044B000-memory.dmp

          Filesize

          300KB

        • memory/1616-16-0x0000000000400000-0x000000000044B000-memory.dmp

          Filesize

          300KB

        • memory/1616-15-0x0000000000400000-0x000000000044B000-memory.dmp

          Filesize

          300KB

        • memory/1616-14-0x0000000000400000-0x000000000044B000-memory.dmp

          Filesize

          300KB

        • memory/4620-6-0x0000000000400000-0x000000000042E000-memory.dmp

          Filesize

          184KB

        • memory/4620-7-0x0000000000400000-0x000000000042E000-memory.dmp

          Filesize

          184KB

        • memory/4620-4-0x0000000000400000-0x000000000042E000-memory.dmp

          Filesize

          184KB