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Analysis

  • max time kernel
    129s
  • max time network
    179s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 7 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).

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.de9253f555e75191219e85c4244e2410.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.de9253f555e75191219e85c4244e2410.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2676
    • C:\Users\Admin\AppData\Local\Temp\updtool.exe
      "C:\Users\Admin\AppData\Local\Temp\updtool.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:1532

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    7e179f482977b2666b2ba73f81f66ef6

    SHA1

    9480aeaa42252b568ff65795c6ba542a3025392d

    SHA256

    daf1e7ababd2f33894e4cce5df143b326898831327d5e0e1a0f8ceb10de3588c

    SHA512

    f1cc7bcc50f19ea6b8113fc6f13e79ce31484605ace8495a6938fc31533775c4eab8ef113f8dfd2d1f239df837df6241343e1e760b40336404f65096c645628d

  • C:\Users\Admin\AppData\Local\Temp\CabB4EF.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\TarB57F.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • 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

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

    Filesize

    49KB

    MD5

    22f23008a87bd0224706497444a0d50c

    SHA1

    f1324b67bcd0a0abe5a5c842cb3f7f36d891bf17

    SHA256

    2411b9ce369ffe14cb79bbab025062024c7c38d20442d2e1ef0e0f9ea3d1295d

    SHA512

    30f908d89bef1943b2d2aef3366b057b5d856fc2096d8f51792b198b58667286189f92856ba94515645fd825bd828405e37273be1c3b1edee229ea4cf2092d19

  • memory/1532-10-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1532-110-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1532-111-0x0000000004000000-0x0000000004005000-memory.dmp

    Filesize

    20KB

  • memory/2676-9-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2676-0-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2676-2-0x0000000004000000-0x0000000004005000-memory.dmp

    Filesize

    20KB

  • memory/2676-1-0x0000000004000000-0x0000000004005000-memory.dmp

    Filesize

    20KB