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Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 10:47

General

  • Target

    185452d62244de166532c681d93687aa.exe

  • Size

    126KB

  • MD5

    185452d62244de166532c681d93687aa

  • SHA1

    0dc92cd930f23c9a922d1ca520bed7c4ec036223

  • SHA256

    3e817c429e003482a27b638a8e0863b16c9da68989005c2041c03332002e9266

  • SHA512

    cab57324cfa8f9e070fbfc4592a856382655c92634063c73e2c4060c10b46960c485ce1c69ea8c80407cbf4cea3398c3eca1b3396fcd7572e57728364c6af2ef

  • SSDEEP

    3072:0+FDzK71QkbstyJjCKICpC72s/mlaXn4djxGC:0+I713bstyJj0sC7/Hn4W

Malware Config

Signatures

  • Ramnit

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

  • Loads dropped DLL 1 IoCs
  • UPX packed file 7 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\185452d62244de166532c681d93687aa.exe
    "C:\Users\Admin\AppData\Local\Temp\185452d62244de166532c681d93687aa.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of UnmapMainImage
    PID:4316
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4316 -s 388
      2⤵
      • Program crash
      PID:2408
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4316 -ip 4316
    1⤵
      PID:2592

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\~TM42E5.tmp

      Filesize

      47KB

      MD5

      188dafe49e318f141cd6c44a72384fc4

      SHA1

      61bcbe60b11f5c8cf1946fa522dc6701392829d5

      SHA256

      2fdd22d85d45f9c42a95a53577e07fdc7b18d179d34fc0ebc0e2c672a2410ec4

      SHA512

      b3ea79f4e38dc2605067f5bfd69aeccd2f8b9212c5508862fe08afa298f1eaeeb6f0b39bed3a2a0940ef5677482841b34a0dc5441aa7d4ea11beebf1d964574e

    • memory/4316-7-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/4316-15-0x0000000077A72000-0x0000000077A74000-memory.dmp

      Filesize

      8KB

    • memory/4316-14-0x0000000077A72000-0x0000000077A73000-memory.dmp

      Filesize

      4KB

    • memory/4316-13-0x00000000001B0000-0x00000000001B1000-memory.dmp

      Filesize

      4KB

    • memory/4316-9-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/4316-0-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

    • memory/4316-6-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/4316-5-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/4316-4-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/4316-3-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/4316-2-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/4316-1-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB