Analysis

  • max time kernel
    187s
  • max time network
    198s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2022 15:50

General

  • Target

    fef5a9aa406c55e84fd16c16b2f9a34c9e74e8c181cdc2ac7e5cc893fd8a9de9.exe

  • Size

    106KB

  • MD5

    09f1b777f0795a85b277f5d3c30bbd2a

  • SHA1

    86992cb96105eb789032bf8e5a591136b88cf0af

  • SHA256

    fef5a9aa406c55e84fd16c16b2f9a34c9e74e8c181cdc2ac7e5cc893fd8a9de9

  • SHA512

    2ffe0e8372dd7dd2be583222ded306b9b5dfe0401ffe3e1438b76bdf85ff26306f5888f5c177197884a6b53f606687bc42e15aa685ddf27fb571eea01b238834

  • SSDEEP

    1536:4+FDoKtniY1u7Nn2JFkC2styJjCKICFjC7EWisS+5mlatSfkZ5Ns:4+FDzK71QkbstyJjCKICpC72s/mlaX5S

Malware Config

Signatures

  • Ramnit

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

  • UPX packed file 10 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fef5a9aa406c55e84fd16c16b2f9a34c9e74e8c181cdc2ac7e5cc893fd8a9de9.exe
    "C:\Users\Admin\AppData\Local\Temp\fef5a9aa406c55e84fd16c16b2f9a34c9e74e8c181cdc2ac7e5cc893fd8a9de9.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of UnmapMainImage
    PID:3048
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 356
      2⤵
      • Program crash
      PID:3304
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3048 -ip 3048
    1⤵
      PID:3164

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\~TM3B9.tmp

      Filesize

      1.6MB

      MD5

      4f3387277ccbd6d1f21ac5c07fe4ca68

      SHA1

      e16506f662dc92023bf82def1d621497c8ab5890

      SHA256

      767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

      SHA512

      9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

    • memory/3048-134-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/3048-135-0x0000000000400000-0x000000000043B000-memory.dmp

      Filesize

      236KB

    • memory/3048-137-0x0000000000400000-0x000000000043B000-memory.dmp

      Filesize

      236KB

    • memory/3048-138-0x0000000000400000-0x000000000043B000-memory.dmp

      Filesize

      236KB

    • memory/3048-136-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/3048-140-0x0000000000400000-0x000000000043B000-memory.dmp

      Filesize

      236KB

    • memory/3048-141-0x0000000077730000-0x00000000778D3000-memory.dmp

      Filesize

      1.6MB

    • memory/3048-142-0x0000000000400000-0x000000000043B000-memory.dmp

      Filesize

      236KB

    • memory/3048-143-0x0000000000400000-0x000000000043B000-memory.dmp

      Filesize

      236KB

    • memory/3048-144-0x0000000000400000-0x000000000043B000-memory.dmp

      Filesize

      236KB

    • memory/3048-145-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB