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Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    31/10/2023, 09:00

General

  • Target

    NEAS.e93e1dfb06e791938d6b2e090da85e60.exe

  • Size

    34KB

  • MD5

    e93e1dfb06e791938d6b2e090da85e60

  • SHA1

    a4ec634d143d8a2a5c1bd1d2ec0f6269bab08b9f

  • SHA256

    f6618ecceed655db5c80d702fe9511dbe206f981c8df937dc0f5f88893808e3e

  • SHA512

    3fc8fe58e1f774cefe6b0ac13b3e658dad9e7df337bbf0625a98e1bbb55de6e62c663db505dba5aba53b1af380a22671cc5cb01b99566564493c9a0714f3931a

  • SSDEEP

    384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2B0qwmC:btB9g/WItCSsAGjX7r3BTwmC

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.e93e1dfb06e791938d6b2e090da85e60.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.e93e1dfb06e791938d6b2e090da85e60.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1316
    • C:\Users\Admin\AppData\Local\Temp\gewos.exe
      "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:844

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\gewos.exe

    Filesize

    34KB

    MD5

    da3494c3243b75033b2dd3b4007d4fbf

    SHA1

    121fd6e133d86414ce701c952de39295c51cd21d

    SHA256

    ef7b5ef2e87effe579689336406fba281eb5cbbaed822e371a3415025bb468c7

    SHA512

    8aa9dd23c58bd7cd9275bf9cbd6e0b5df06c754389775952f9d7e8a2e9fd7a2caa22782ab9a3f0ebedaca6e63b81bc3d465690b558062924a374fde7a232e113

  • C:\Users\Admin\AppData\Local\Temp\gewos.exe

    Filesize

    34KB

    MD5

    da3494c3243b75033b2dd3b4007d4fbf

    SHA1

    121fd6e133d86414ce701c952de39295c51cd21d

    SHA256

    ef7b5ef2e87effe579689336406fba281eb5cbbaed822e371a3415025bb468c7

    SHA512

    8aa9dd23c58bd7cd9275bf9cbd6e0b5df06c754389775952f9d7e8a2e9fd7a2caa22782ab9a3f0ebedaca6e63b81bc3d465690b558062924a374fde7a232e113

  • \Users\Admin\AppData\Local\Temp\gewos.exe

    Filesize

    34KB

    MD5

    da3494c3243b75033b2dd3b4007d4fbf

    SHA1

    121fd6e133d86414ce701c952de39295c51cd21d

    SHA256

    ef7b5ef2e87effe579689336406fba281eb5cbbaed822e371a3415025bb468c7

    SHA512

    8aa9dd23c58bd7cd9275bf9cbd6e0b5df06c754389775952f9d7e8a2e9fd7a2caa22782ab9a3f0ebedaca6e63b81bc3d465690b558062924a374fde7a232e113

  • memory/844-16-0x00000000003D0000-0x00000000003D6000-memory.dmp

    Filesize

    24KB

  • memory/1316-0-0x0000000000260000-0x0000000000266000-memory.dmp

    Filesize

    24KB

  • memory/1316-2-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/1316-1-0x0000000000260000-0x0000000000266000-memory.dmp

    Filesize

    24KB