Analysis

  • max time kernel
    179s
  • max time network
    449s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 18:33

General

  • Target

    34d120d389a444956c622166d2d7aecc.exe

  • Size

    106KB

  • MD5

    34d120d389a444956c622166d2d7aecc

  • SHA1

    7d402c9b7c612dbec9906c736ef005d2ec923f00

  • SHA256

    9e4d46fc1754243f15e4b548a23231598770b077641f778512ff127a3f30761c

  • SHA512

    d3eb03a9899cdb9a5d909292d2af9b64b84ffdea0d3099fa9445ddde8639e6188357e04366a19531f3cc8d14237d499c8eafa1766e85179df112e2d3397e2498

  • SSDEEP

    1536:R+FDoKqniY1u7Nn2JFkC2styJjCKICFjC7EWisS+5mlatSfkZ:R+FDgK71QkbstyJjCKICpC72s/mlaX

Malware Config

Signatures

  • Ramnit

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

  • Loads dropped DLL 1 IoCs
  • UPX packed file 9 IoCs

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

  • Program crash 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\34d120d389a444956c622166d2d7aecc.exe
    "C:\Users\Admin\AppData\Local\Temp\34d120d389a444956c622166d2d7aecc.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of UnmapMainImage
    PID:4052
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4052 -s 440
      2⤵
      • Program crash
      PID:4540
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4052 -ip 4052
    1⤵
      PID:3812

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\~TM3E68.tmp

      Filesize

      773KB

      MD5

      b0340987c977b76c922a9d81d18b0cdf

      SHA1

      5611a46ceee3c7e0b363f5f33a86c8a59a7445d5

      SHA256

      510c754f55139977305e9145ac80357eec525b1cd5f07c4a5701fe067ed856a0

      SHA512

      28768d88ae8a66e55d67c9660df3dbf3a11ec7f1d1e1f2aabbcd4221e66055a0c1c864a9426a749c97d4dae44ab01d6b6f4ca3ea40abc204b2d84d79f0e2936d

    • memory/4052-5-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/4052-12-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/4052-3-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/4052-0-0x0000000000400000-0x0000000000431000-memory.dmp

      Filesize

      196KB

    • memory/4052-7-0x0000000000900000-0x0000000000901000-memory.dmp

      Filesize

      4KB

    • memory/4052-6-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/4052-2-0x0000000000400000-0x0000000000431000-memory.dmp

      Filesize

      196KB

    • memory/4052-9-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/4052-8-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/4052-13-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/4052-11-0x0000000000400000-0x0000000000431000-memory.dmp

      Filesize

      196KB

    • memory/4052-1-0x0000000000400000-0x0000000000431000-memory.dmp

      Filesize

      196KB

    • memory/4052-17-0x0000000077C62000-0x0000000077C64000-memory.dmp

      Filesize

      8KB

    • memory/4052-18-0x0000000077C62000-0x0000000077C63000-memory.dmp

      Filesize

      4KB

    • memory/4052-19-0x0000000000400000-0x0000000000431000-memory.dmp

      Filesize

      196KB