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Analysis

  • max time kernel
    135s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/11/2023, 08:34

General

  • Target

    NEAS.de9253f555e75191219e85c4244e2410.exe

  • Size

    49KB

  • MD5

    de9253f555e75191219e85c4244e2410

  • SHA1

    4db3b40a38706b6c872070c76d2372083c415e00

  • SHA256

    9075e6b60d36800b0247526677cf920490ce21ef0b8e8667920153ff3b076175

  • SHA512

    96bf9035e00b9bb00d6c5faf9349b3cd0cc715090b5fec931d635814bb1f8c126765c41c25576ab483db022a4cf4908f7a673b600649f810d17c1b2501aeedef

  • SSDEEP

    768:fIj4bdHPqYKS1/US6GPQPFAiRAck1nEszc:w4hHCdqcS6JAH+

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 8 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.de9253f555e75191219e85c4244e2410.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.de9253f555e75191219e85c4244e2410.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4848
    • C:\Users\Admin\AppData\Local\Temp\updtool.exe
      "C:\Users\Admin\AppData\Local\Temp\updtool.exe"
      2⤵
      • Executes dropped EXE
      PID:4908

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    49KB

    MD5

    22f23008a87bd0224706497444a0d50c

    SHA1

    f1324b67bcd0a0abe5a5c842cb3f7f36d891bf17

    SHA256

    2411b9ce369ffe14cb79bbab025062024c7c38d20442d2e1ef0e0f9ea3d1295d

    SHA512

    30f908d89bef1943b2d2aef3366b057b5d856fc2096d8f51792b198b58667286189f92856ba94515645fd825bd828405e37273be1c3b1edee229ea4cf2092d19

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

    Filesize

    49KB

    MD5

    22f23008a87bd0224706497444a0d50c

    SHA1

    f1324b67bcd0a0abe5a5c842cb3f7f36d891bf17

    SHA256

    2411b9ce369ffe14cb79bbab025062024c7c38d20442d2e1ef0e0f9ea3d1295d

    SHA512

    30f908d89bef1943b2d2aef3366b057b5d856fc2096d8f51792b198b58667286189f92856ba94515645fd825bd828405e37273be1c3b1edee229ea4cf2092d19

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

    Filesize

    49KB

    MD5

    22f23008a87bd0224706497444a0d50c

    SHA1

    f1324b67bcd0a0abe5a5c842cb3f7f36d891bf17

    SHA256

    2411b9ce369ffe14cb79bbab025062024c7c38d20442d2e1ef0e0f9ea3d1295d

    SHA512

    30f908d89bef1943b2d2aef3366b057b5d856fc2096d8f51792b198b58667286189f92856ba94515645fd825bd828405e37273be1c3b1edee229ea4cf2092d19

  • memory/4848-0-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/4848-1-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/4848-2-0x0000000004000000-0x0000000004005000-memory.dmp

    Filesize

    20KB

  • memory/4848-3-0x0000000004000000-0x0000000004005000-memory.dmp

    Filesize

    20KB

  • memory/4848-4-0x0000000004000000-0x0000000004005000-memory.dmp

    Filesize

    20KB

  • memory/4848-6-0x0000000004000000-0x0000000004005000-memory.dmp

    Filesize

    20KB

  • memory/4848-16-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/4908-17-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/4908-18-0x0000000004000000-0x0000000004005000-memory.dmp

    Filesize

    20KB