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Resubmissions

11/10/2022, 21:50

221011-1qah4agacq 10

11/10/2022, 19:59

221011-yqhtcscbgk 10

11/10/2022, 19:33

221011-x9v3csbeb8 10

11/10/2022, 19:30

221011-x71j3abdc9 10

11/10/2022, 17:12

221011-vq4t2sfccr 10

11/10/2022, 17:06

221011-vmnzesfahq 10

Analysis

  • max time kernel
    1737s
  • max time network
    1757s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2022, 17:12

General

  • Target

    quote.exe

  • Size

    310KB

  • MD5

    bd8e7774e8a6ecb128344f67a186de29

  • SHA1

    bb8f6320dbbe179952aefed8ad37678a97385c8c

  • SHA256

    4d98cc89b7f976334ec2df4964679ae40ce2efa5e0ea93e44a88cd832e122daf

  • SHA512

    28663d4fc87dc2c4c529b3ea8a27fc8f2c38bf34600ae1ff594da428fbb140cb2dab31ec219a75ed3814b74f0a7c64d03d48fc5aee451a2faf1dfcb27dba1069

  • SSDEEP

    6144:xB+pqUQLU87hsR0qW6IqiQ928gJzoQRT0uAg67asMexycpMFX59F7MfZUSi2XxKL:xgKL2i0uAxasM2W55D4f+xOVn4uoF

Malware Config

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

Processes

  • C:\Users\Admin\AppData\Local\Temp\quote.exe
    "C:\Users\Admin\AppData\Local\Temp\quote.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    PID:4940
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4684

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\nscCB4.tmp\System.dll

      Filesize

      11KB

      MD5

      0ff2d70cfdc8095ea99ca2dabbec3cd7

      SHA1

      10c51496d37cecd0e8a503a5a9bb2329d9b38116

      SHA256

      982c5fb7ada7d8c9bc3e419d1c35da6f05bc5dd845940c179af3a33d00a36a8b

      SHA512

      cb5fc0b3194f469b833c2c9abf493fcec5251e8609881b7f5e095b9bd09ed468168e95dda0ba415a7d8d6b7f0dee735467c0ed8e52b223eb5359986891ba6e2e

    • memory/4940-133-0x00000000049C0000-0x0000000004AC1000-memory.dmp

      Filesize

      1.0MB

    • memory/4940-134-0x00000000049C0000-0x0000000004AC1000-memory.dmp

      Filesize

      1.0MB