Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/03/2024, 11:54

General

  • Target

    $TEMP/syncUpd.exe

  • Size

    223KB

  • MD5

    4798812066cbae4409c74a92f61d89be

  • SHA1

    f22ae1face4df9e4ab6445a6e43eedd12c8af868

  • SHA256

    17102324a533f9666f6d2a9a9269807f9b49591a20ff7fd4045c43b432ac0079

  • SHA512

    e55b78580a1aa1ab9e262ddb57ae95759d459ab75db99459882a22f05310e2e53131f05e0f110ed0cf2056b18f8671272eabda5cbd21667cd51be5754e4c3e56

  • SSDEEP

    3072:dlprK266lvWQLu0HAm3RwHRMAbMKjjBSNljGHQJq5JE:z6cuQLu0HuH+i9jjGjnG

Malware Config

Signatures

Processes

  • C:\Users\Admin\AppData\Local\Temp\$TEMP\syncUpd.exe
    "C:\Users\Admin\AppData\Local\Temp\$TEMP\syncUpd.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:4724
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4724 -s 2336
      2⤵
      • Program crash
      PID:2812
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4724 -ip 4724
    1⤵
      PID:1616

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\ProgramData\Are.docx

            Filesize

            11KB

            MD5

            a33e5b189842c5867f46566bdbf7a095

            SHA1

            e1c06359f6a76da90d19e8fd95e79c832edb3196

            SHA256

            5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

            SHA512

            f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

          • C:\ProgramData\mozglue.dll

            Filesize

            593KB

            MD5

            c8fd9be83bc728cc04beffafc2907fe9

            SHA1

            95ab9f701e0024cedfbd312bcfe4e726744c4f2e

            SHA256

            ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

            SHA512

            fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

          • C:\ProgramData\nss3.dll

            Filesize

            2.0MB

            MD5

            1cc453cdf74f31e4d913ff9c10acdde2

            SHA1

            6e85eae544d6e965f15fa5c39700fa7202f3aafe

            SHA256

            ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

            SHA512

            dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

          • memory/4724-1-0x0000000001BF0000-0x0000000001CF0000-memory.dmp

            Filesize

            1024KB

          • memory/4724-2-0x0000000003790000-0x00000000037B7000-memory.dmp

            Filesize

            156KB

          • memory/4724-3-0x0000000000400000-0x0000000001A25000-memory.dmp

            Filesize

            22.1MB

          • memory/4724-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp

            Filesize

            972KB

          • memory/4724-52-0x0000000000400000-0x0000000001A25000-memory.dmp

            Filesize

            22.1MB

          • memory/4724-76-0x0000000000400000-0x0000000001A25000-memory.dmp

            Filesize

            22.1MB

          • memory/4724-77-0x0000000001BF0000-0x0000000001CF0000-memory.dmp

            Filesize

            1024KB

          • memory/4724-90-0x0000000000400000-0x0000000001A25000-memory.dmp

            Filesize

            22.1MB