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Analysis

  • max time kernel
    159s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/11/2023, 14:16

General

  • Target

    NEAS.9401ca50afc559a747420dacb98f4530.exe

  • Size

    41KB

  • MD5

    9401ca50afc559a747420dacb98f4530

  • SHA1

    d4a8290b2add0c05a262d36612bf2ffd63ec5e1d

  • SHA256

    65a9b07deb28170148ff1ce7dd9c6548638423df3620c9b753becf68e842cd35

  • SHA512

    1411dfe75c60d9c3065fd4f13949bd07a54b0676496b81015a91a4758e5627b0a74191f6d84750eb70122570515224e4ec1b5dadb9d25fef3db244c86c1bb574

  • SSDEEP

    384:DBXkocaoPBX5Yq5aN6i/U6eeQ+vubblOsqPEqXKtkSCb2:DKPPQYaN67EWbQsgNW5

Score
7/10
upx

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.9401ca50afc559a747420dacb98f4530.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.9401ca50afc559a747420dacb98f4530.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2556
    • C:\Users\Admin\AppData\Local\Temp\hromi.exe
      "C:\Users\Admin\AppData\Local\Temp\hromi.exe"
      2⤵
      • Executes dropped EXE
      PID:2744

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    41KB

    MD5

    fa489533860bb710f5cdaa2d38baad06

    SHA1

    a4e73b62f93188af305daf2bd7b59a5f23cf3843

    SHA256

    e12df5fcf5f9de4f538a1df51702e1a5b43675363e4fbeceba98705dee4d448d

    SHA512

    a2375e0871ccd88f03dc0e37093fcab138d7667d75462ff42c5db06d87cb405184668e25742e954614081af81b1c817f4ae93393156eb2fb4ff9fc6ca2c55697

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

    Filesize

    41KB

    MD5

    fa489533860bb710f5cdaa2d38baad06

    SHA1

    a4e73b62f93188af305daf2bd7b59a5f23cf3843

    SHA256

    e12df5fcf5f9de4f538a1df51702e1a5b43675363e4fbeceba98705dee4d448d

    SHA512

    a2375e0871ccd88f03dc0e37093fcab138d7667d75462ff42c5db06d87cb405184668e25742e954614081af81b1c817f4ae93393156eb2fb4ff9fc6ca2c55697

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

    Filesize

    41KB

    MD5

    fa489533860bb710f5cdaa2d38baad06

    SHA1

    a4e73b62f93188af305daf2bd7b59a5f23cf3843

    SHA256

    e12df5fcf5f9de4f538a1df51702e1a5b43675363e4fbeceba98705dee4d448d

    SHA512

    a2375e0871ccd88f03dc0e37093fcab138d7667d75462ff42c5db06d87cb405184668e25742e954614081af81b1c817f4ae93393156eb2fb4ff9fc6ca2c55697

  • memory/2556-0-0x0000000000400000-0x00000000004092E7-memory.dmp

    Filesize

    36KB

  • memory/2556-1-0x0000000000400000-0x00000000004092E7-memory.dmp

    Filesize

    36KB