Analysis

  • max time kernel
    142s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-12-2022 00:46

General

  • Target

    91da54b7390cd3b8dc66b6db53886ed7676646c84d6b0f83dc0be4ba80e2d378.exe

  • Size

    65KB

  • MD5

    108c1dbd7634ec857711aeb08405a476

  • SHA1

    8bab44815a98c3f21a98b1f8d3bc350fecb94386

  • SHA256

    91da54b7390cd3b8dc66b6db53886ed7676646c84d6b0f83dc0be4ba80e2d378

  • SHA512

    4f60053523a5a5aaf19b869971e97218b96f494bcc75b51ce35e00bb5cb52e0454376ffde4ff1021331e66f0ecfe3810da4fae3ea60c115876f048cbb2f4db1a

  • SSDEEP

    1536:1h8Zc0c2TXH53F/y8fnFZTd6Ue6IWVvmfYC+zyl+U8/6O:L8Zc0hTH53F/y0nzTd6UjIWVvn+o

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\91da54b7390cd3b8dc66b6db53886ed7676646c84d6b0f83dc0be4ba80e2d378.exe
    "C:\Users\Admin\AppData\Local\Temp\91da54b7390cd3b8dc66b6db53886ed7676646c84d6b0f83dc0be4ba80e2d378.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of UnmapMainImage
    PID:4248
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4248 -s 220
      2⤵
      • Program crash
      PID:1048
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4248 -ip 4248
    1⤵
      PID:4676

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\~TM7E8B.tmp

      Filesize

      1.6MB

      MD5

      4f3387277ccbd6d1f21ac5c07fe4ca68

      SHA1

      e16506f662dc92023bf82def1d621497c8ab5890

      SHA256

      767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

      SHA512

      9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

    • memory/4248-134-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/4248-135-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/4248-136-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

    • memory/4248-137-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

    • memory/4248-138-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

    • memory/4248-140-0x0000000077440000-0x00000000775E3000-memory.dmp

      Filesize

      1.6MB

    • memory/4248-141-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB