Analysis

  • max time kernel
    16s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-10-2024 13:57

General

  • Target

    Carnosin.exe

  • Size

    904KB

  • MD5

    0e4f7ac6287f9552f7ea5ae47e5f77ed

  • SHA1

    6b890d683c139e3c5d33434810fd76744f5768ee

  • SHA256

    b16b79b8bcb55f71e7968e33ca0c72361550c2229570e08c4f20ec9f8dfdfc7c

  • SHA512

    93aeb1081766707c0e69fe854237dc552668134bd4567fa322d3f17f02ba47fbbe6f3c34614354ed18903fc07982a8658ad8fe450cc6bdb2e904f512a8569dc0

  • SSDEEP

    12288:mSlUb0flfFujJ7tveiTO8waxFeh2FCCMntz6I8128TsXULDh+gDBf6j4Ydcv+9:XlUbLjHeiTOZ2UVf+DLD1BbYG2

Malware Config

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Carnosin.exe
    "C:\Users\Admin\AppData\Local\Temp\Carnosin.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    PID:1732
    • C:\Users\Admin\AppData\Local\Temp\Carnosin.exe
      "C:\Users\Admin\AppData\Local\Temp\Carnosin.exe"
      2⤵
        PID:3772

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\nsw7C65.tmp\System.dll

      Filesize

      11KB

      MD5

      cf85183b87314359488b850f9e97a698

      SHA1

      6b6c790037eec7ebea4d05590359cb4473f19aea

      SHA256

      3b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac

      SHA512

      fe484b3fc89aeed3a6b71b90b90ea11a787697e56be3077154b6ddc2646850f6c38589ed422ff792e391638a80a778d33f22e891e76b5d65896c6fb4696a2c3b

    • C:\Users\Admin\Desktop\peripheries.lnk

      Filesize

      838B

      MD5

      cb22b85e23d1d5d456410baa07cdec53

      SHA1

      cafa83e1a5e8dd209cd032774474c50f7c7e4a5b

      SHA256

      03f9d8e7d4d738722029eff44b70734152d06925c2ed63e7fd49ea5879078f8f

      SHA512

      22b0cf77238fe1459c162b01a55627866d59b01844d2409d37788595267a88287a51acb544cafb5883f47ed023614e3b97e0614fb0c1335c2365f76699725c30

    • memory/1732-24644-0x0000000003420000-0x0000000004B3D000-memory.dmp

      Filesize

      23.1MB

    • memory/1732-24645-0x00000000771E1000-0x0000000077301000-memory.dmp

      Filesize

      1.1MB

    • memory/1732-24646-0x0000000010004000-0x0000000010005000-memory.dmp

      Filesize

      4KB

    • memory/1732-24648-0x0000000003420000-0x0000000004B3D000-memory.dmp

      Filesize

      23.1MB

    • memory/3772-24665-0x0000000000401000-0x0000000000404000-memory.dmp

      Filesize

      12KB

    • memory/3772-24667-0x00000000771E1000-0x0000000077301000-memory.dmp

      Filesize

      1.1MB

    • memory/3772-24650-0x0000000077268000-0x0000000077269000-memory.dmp

      Filesize

      4KB

    • memory/3772-24651-0x0000000077285000-0x0000000077286000-memory.dmp

      Filesize

      4KB

    • memory/3772-24649-0x0000000001660000-0x0000000002D7D000-memory.dmp

      Filesize

      23.1MB

    • memory/3772-24664-0x0000000000400000-0x0000000001654000-memory.dmp

      Filesize

      18.3MB

    • memory/3772-24666-0x0000000001660000-0x0000000002D7D000-memory.dmp

      Filesize

      23.1MB

    • memory/3772-24647-0x0000000000400000-0x0000000001654000-memory.dmp

      Filesize

      18.3MB

    • memory/3772-24668-0x0000000000400000-0x0000000001654000-memory.dmp

      Filesize

      18.3MB

    • memory/3772-24669-0x0000000000400000-0x0000000001654000-memory.dmp

      Filesize

      18.3MB

    • memory/3772-24670-0x0000000000401000-0x0000000000404000-memory.dmp

      Filesize

      12KB

    • memory/3772-24671-0x0000000000400000-0x0000000001654000-memory.dmp

      Filesize

      18.3MB

    • memory/3772-24672-0x0000000000400000-0x0000000001654000-memory.dmp

      Filesize

      18.3MB

    • memory/3772-24673-0x0000000000400000-0x0000000001654000-memory.dmp

      Filesize

      18.3MB

    • memory/3772-24674-0x0000000000400000-0x0000000001654000-memory.dmp

      Filesize

      18.3MB

    • memory/3772-24677-0x0000000000400000-0x0000000001654000-memory.dmp

      Filesize

      18.3MB