Analysis

  • max time kernel
    91s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2022 21:28

General

  • Target

    f3f03e763012d5d715b39c217d030fed9e4738065afca2b1152bff48a934890c.exe

  • Size

    106KB

  • MD5

    f515bf35833ab033df73cb523be38fef

  • SHA1

    45ce48015a68db54a9eec3817033af81425d9598

  • SHA256

    f3f03e763012d5d715b39c217d030fed9e4738065afca2b1152bff48a934890c

  • SHA512

    9da394a56e28a3c4c97dd397e49cb0ee7cb77f26135cbf51002a14df4d01469877b2481c3d7db48240386cc9ebf3312d7a60cf77fb47616448d4909ec55291a0

  • SSDEEP

    1536:B+FDoKtniY1u7Nn2JFkC2styJjCKICFjC7EWisS+5mlatSfkZYX:B+FDzK71QkbstyJjCKICpC72s/mlaXC

Malware Config

Signatures

  • Ramnit

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

  • UPX packed file 5 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\f3f03e763012d5d715b39c217d030fed9e4738065afca2b1152bff48a934890c.exe
    "C:\Users\Admin\AppData\Local\Temp\f3f03e763012d5d715b39c217d030fed9e4738065afca2b1152bff48a934890c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of UnmapMainImage
    PID:4940
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4940 -s 440
      2⤵
      • Program crash
      PID:5020
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4940 -ip 4940
    1⤵
      PID:1112

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\~TMFAB0.tmp

      Filesize

      1.6MB

      MD5

      4f3387277ccbd6d1f21ac5c07fe4ca68

      SHA1

      e16506f662dc92023bf82def1d621497c8ab5890

      SHA256

      767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

      SHA512

      9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

    • memory/4940-134-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/4940-135-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/4940-132-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/4940-133-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/4940-137-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/4940-138-0x0000000077560000-0x0000000077703000-memory.dmp

      Filesize

      1.6MB