Analysis

  • max time kernel
    111s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/10/2022, 06:18

General

  • Target

    8a2b7f7b48f1f667b69eefb25223287638e24b15abd7bf0046b5cfd2d5db4531.exe

  • Size

    134KB

  • MD5

    a32578d58ea28f7d6ed8a3cf01c58857

  • SHA1

    1c24f185549cd58b1eb43b6904d70be5b0231ef2

  • SHA256

    8a2b7f7b48f1f667b69eefb25223287638e24b15abd7bf0046b5cfd2d5db4531

  • SHA512

    239356d4df443c51c3c2f76d22b61ff515a5d0210259a1205fef48ccd73f440dfc36494a8985f7d2c3d4bc94f17ee0e9f7180285f3f3039c126c483899710755

  • SSDEEP

    3072:5+FDuK71QkbstyJjCKICpC72s/mlaXhevR:5+/713bstyJj0sC7/H4v

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\8a2b7f7b48f1f667b69eefb25223287638e24b15abd7bf0046b5cfd2d5db4531.exe
    "C:\Users\Admin\AppData\Local\Temp\8a2b7f7b48f1f667b69eefb25223287638e24b15abd7bf0046b5cfd2d5db4531.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of UnmapMainImage
    PID:5096
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5096 -s 392
      2⤵
      • Program crash
      PID:4048
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5096 -ip 5096
    1⤵
      PID:2104

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\~TM3911.tmp

      Filesize

      1.6MB

      MD5

      4f3387277ccbd6d1f21ac5c07fe4ca68

      SHA1

      e16506f662dc92023bf82def1d621497c8ab5890

      SHA256

      767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

      SHA512

      9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

    • memory/5096-132-0x0000000000400000-0x0000000000453000-memory.dmp

      Filesize

      332KB

    • memory/5096-135-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/5096-136-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/5096-138-0x0000000000400000-0x0000000000453000-memory.dmp

      Filesize

      332KB

    • memory/5096-139-0x0000000000400000-0x0000000000453000-memory.dmp

      Filesize

      332KB

    • memory/5096-140-0x0000000077440000-0x00000000775E3000-memory.dmp

      Filesize

      1.6MB

    • memory/5096-141-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB