Analysis

  • max time kernel
    135s
  • max time network
    142s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    20-04-2024 10:39

General

  • Target

    Crystal disk/CdiResource/AlertMail.exe

  • Size

    81KB

  • MD5

    b8369f93200cddfd93e46437a1b099e3

  • SHA1

    3f7c589dcd36f733712a1e94611bd39ba7e11971

  • SHA256

    abbb2bd38f8e5cfd1fca428e27de421b77beb09f7bb8fdb7d91018a6bce7b098

  • SHA512

    7cde6064e5095fcde14128aada6c54168173b0b33b2f11783c6e2eab6b1735d5f834f38a9f034c584d9e781fd7bc8155a3fc1552b950131b3f011478c706457d

  • SSDEEP

    768:yw4ni2c0YIz0eXU6tvZ2XWNG52mUBT0iw5dIAXdRCRn75c3ggNWhJ1aSoQuSthBI:GrM1eXTthgWNGhWboL7StvoL7S6

Score
1/10

Malware Config

Signatures

  • Modifies system certificate store 2 TTPs 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Crystal disk\CdiResource\AlertMail.exe
    "C:\Users\Admin\AppData\Local\Temp\Crystal disk\CdiResource\AlertMail.exe"
    1⤵
    • Modifies system certificate store
    PID:1504

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Crystal disk\DiskInfo.ini
    Filesize

    56B

    MD5

    c2f4ab4e6f6d8bcff4c745d29e9b7d82

    SHA1

    f7687ae63bd2de22d2156a980114d12d5591ef51

    SHA256

    ca0559db8b6b9a9df439eafefd9e91ea264afe70569eb3a771e60a4fd7dbbd44

    SHA512

    f5c4fd824d425ae900fe3443f981243ef6a6d37aca22d8814f8a55421e077e971a9bf5540aae4037449c99d27fbf38de4b74efe1aeb04824865b60dd24627867

  • memory/1504-0-0x00007FFAEF8E0000-0x00007FFAF0280000-memory.dmp
    Filesize

    9.6MB

  • memory/1504-1-0x0000000002DA0000-0x0000000002DB0000-memory.dmp
    Filesize

    64KB

  • memory/1504-18-0x000000001CCA0000-0x000000001D16E000-memory.dmp
    Filesize

    4.8MB

  • memory/1504-19-0x000000001D170000-0x000000001D20C000-memory.dmp
    Filesize

    624KB

  • memory/1504-20-0x0000000002EE0000-0x0000000002EE8000-memory.dmp
    Filesize

    32KB

  • memory/1504-21-0x0000000002DA0000-0x0000000002DB0000-memory.dmp
    Filesize

    64KB

  • memory/1504-22-0x0000000002DA0000-0x0000000002DB0000-memory.dmp
    Filesize

    64KB

  • memory/1504-34-0x00007FFAEF8E0000-0x00007FFAF0280000-memory.dmp
    Filesize

    9.6MB