Analysis

  • max time kernel
    130s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-08-2024 18:05

General

  • Target

    Calamari/Calamari.exe

  • Size

    154KB

  • MD5

    3bb68e459405f9d621fea08fca8db99e

  • SHA1

    a667438af4a30700d229752df30f423f169c1186

  • SHA256

    0f7071d56098ef0a448b562760ea2f547e4a2f8d26fc4e456b6e6ed47445cc20

  • SHA512

    69788e7b8a0a5cae8fb85f31cd63c735343b11128da1be0c71414c41973ad9246487915b24eb40436ba104a3851f0848e902f7c9cb9a084255420eff4a49478b

  • SSDEEP

    1536:A//X0u8/LwqNlRtXCPF9tdyB6nW6b22ehN8OIZG9Fwk0eL/qzCU27yHi+tdGtdtw:A30tT9tXCPLKB6nT6UPk0eT0w2i+ulw

Score
6/10

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Calamari\Calamari.exe
    "C:\Users\Admin\AppData\Local\Temp\Calamari\Calamari.exe"
    1⤵
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    PID:4716
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x4e4 0x324
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:5020

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb

    Filesize

    64KB

    MD5

    3a16ce313f0aedba14943c83ef4a853a

    SHA1

    e3d635fcf3471a638153e8756da3d3e06cf102f1

    SHA256

    0d6943432a32c38e203c1a2eace24145e470b06d9d73bdf3a82a32955124d00d

    SHA512

    a89b9b75ca9a0556eff3ddfc202ac17e3d78c2a5334b61a1f97d9aa802234b2bbcb43b20fe2440d45c6a742e69a4032cdae5e92e491d1a5b79fe21cdf475ae6a

  • C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML.bak

    Filesize

    9KB

    MD5

    7050d5ae8acfbe560fa11073fef8185d

    SHA1

    5bc38e77ff06785fe0aec5a345c4ccd15752560e

    SHA256

    cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b

    SHA512

    a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b

  • memory/4716-18-0x000000000ABD0000-0x000000000ABE0000-memory.dmp

    Filesize

    64KB

  • memory/4716-20-0x0000000075160000-0x0000000075910000-memory.dmp

    Filesize

    7.7MB

  • memory/4716-4-0x0000000075160000-0x0000000075910000-memory.dmp

    Filesize

    7.7MB

  • memory/4716-5-0x0000000005EB0000-0x0000000005EBA000-memory.dmp

    Filesize

    40KB

  • memory/4716-2-0x0000000005400000-0x00000000059A4000-memory.dmp

    Filesize

    5.6MB

  • memory/4716-17-0x000000000ABD0000-0x000000000ABE0000-memory.dmp

    Filesize

    64KB

  • memory/4716-16-0x000000000ABD0000-0x000000000ABE0000-memory.dmp

    Filesize

    64KB

  • memory/4716-19-0x000000000ABD0000-0x000000000ABE0000-memory.dmp

    Filesize

    64KB

  • memory/4716-0-0x000000007516E000-0x000000007516F000-memory.dmp

    Filesize

    4KB

  • memory/4716-3-0x0000000004EF0000-0x0000000004F82000-memory.dmp

    Filesize

    584KB

  • memory/4716-21-0x0000000075160000-0x0000000075910000-memory.dmp

    Filesize

    7.7MB

  • memory/4716-22-0x0000000075160000-0x0000000075910000-memory.dmp

    Filesize

    7.7MB

  • memory/4716-23-0x0000000075160000-0x0000000075910000-memory.dmp

    Filesize

    7.7MB

  • memory/4716-24-0x0000000075160000-0x0000000075910000-memory.dmp

    Filesize

    7.7MB

  • memory/4716-26-0x000000000ABD0000-0x000000000ABE0000-memory.dmp

    Filesize

    64KB

  • memory/4716-25-0x000000000ABD0000-0x000000000ABE0000-memory.dmp

    Filesize

    64KB

  • memory/4716-1-0x00000000005D0000-0x00000000005FC000-memory.dmp

    Filesize

    176KB

  • memory/4716-39-0x000000007516E000-0x000000007516F000-memory.dmp

    Filesize

    4KB

  • memory/4716-40-0x0000000075160000-0x0000000075910000-memory.dmp

    Filesize

    7.7MB