Analysis

  • max time kernel
    143s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-11-2022 02:41

General

  • Target

    8a2f4146258e991a2a5f6659f362292a25467109a23221e57c8c720cc4befcb7.exe

  • Size

    106KB

  • MD5

    07ec409c9e5c37d91c05d60ae0d0122e

  • SHA1

    859cc661bd651f453984125e570f0708c4318c63

  • SHA256

    8a2f4146258e991a2a5f6659f362292a25467109a23221e57c8c720cc4befcb7

  • SHA512

    a634dfd81659e8cbc8acd2ed734e59f7707a598e198dba74bcd1c7e2cf6daf3e2f9a8ab72b9ea76e68d779341d8167a37aa7afa43c6def24bddad154d6438548

  • SSDEEP

    1536:K+FDoKPniY1u7Nn2JFkC2styJjCKICFjC7EWisS+5mlatSfkZ6S:K+FDJK71QkbstyJjCKICpC72s/mlaXp

Malware Config

Signatures

  • Ramnit

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

  • UPX packed file 6 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\8a2f4146258e991a2a5f6659f362292a25467109a23221e57c8c720cc4befcb7.exe
    "C:\Users\Admin\AppData\Local\Temp\8a2f4146258e991a2a5f6659f362292a25467109a23221e57c8c720cc4befcb7.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of UnmapMainImage
    PID:3836
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3836 -s 388
      2⤵
      • Program crash
      PID:4756
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3836 -ip 3836
    1⤵
      PID:4848

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\~TMA637.tmp

      Filesize

      1.6MB

      MD5

      4f3387277ccbd6d1f21ac5c07fe4ca68

      SHA1

      e16506f662dc92023bf82def1d621497c8ab5890

      SHA256

      767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

      SHA512

      9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

    • memory/3836-132-0x0000000000400000-0x0000000000431000-memory.dmp

      Filesize

      196KB

    • memory/3836-135-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/3836-136-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/3836-137-0x0000000000400000-0x0000000000431000-memory.dmp

      Filesize

      196KB

    • memory/3836-138-0x0000000000400000-0x0000000000431000-memory.dmp

      Filesize

      196KB

    • memory/3836-139-0x0000000000400000-0x0000000000431000-memory.dmp

      Filesize

      196KB

    • memory/3836-141-0x0000000077AC0000-0x0000000077C63000-memory.dmp

      Filesize

      1.6MB

    • memory/3836-142-0x0000000077AC0000-0x0000000077C63000-memory.dmp

      Filesize

      1.6MB

    • memory/3836-143-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB