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Resubmissions

14/10/2023, 19:08

231014-xtafqagd67 9

14/10/2023, 09:34

231014-ljwenabg2t 7

07/10/2023, 01:02

231007-bdzvsagf4z 9

Analysis

  • max time kernel
    320s
  • max time network
    373s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/10/2023, 09:34

General

  • Target

    SephioneInstallerx64.exe

  • Size

    67.6MB

  • MD5

    742066e6d7103fa65e2af4db9063db3d

  • SHA1

    3fe605e0a6260d4442e7b67663624cd6b4525636

  • SHA256

    2cd9a6de7cabf360187ad8fc4163e10be7bcf4bbd768f8db635cc57438385352

  • SHA512

    a9f7cab452cd1106884150e4d494fa684dda9931e2d448559158de979d8b134cf83f3603e9e0bf0a41b72e16bece6a421645b0d01a31375f4a91d7c1196e965f

  • SSDEEP

    1572864:jhF1s9gK1YPHnrgsOu/Yy/KAtkui9bTBBfTzy4:jhF1s6oXyyAtviRPy4

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SephioneInstallerx64.exe
    "C:\Users\Admin\AppData\Local\Temp\SephioneInstallerx64.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2152
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c tasklist /FI "USERNAME eq %USERNAME%" /FI "IMAGENAME eq Setup_.exe" | %SYSTEMROOT%\System32\find.exe "Setup_.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3748
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist /FI "USERNAME eq Admin" /FI "IMAGENAME eq Setup_.exe"
        3⤵
        • Enumerates processes with tasklist
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3728
      • C:\Windows\SysWOW64\find.exe
        C:\Windows\System32\find.exe "Setup_.exe"
        3⤵
          PID:4988

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\nsq3297.tmp\SpiderBanner.dll

      Filesize

      9KB

      MD5

      17309e33b596ba3a5693b4d3e85cf8d7

      SHA1

      7d361836cf53df42021c7f2b148aec9458818c01

      SHA256

      996a259e53ca18b89ec36d038c40148957c978c0fd600a268497d4c92f882a93

      SHA512

      1abac3ce4f2d5e4a635162e16cf9125e059ba1539f70086c2d71cd00d41a6e2a54d468e6f37792e55a822d7082fb388b8dfecc79b59226bbb047b7d28d44d298

    • C:\Users\Admin\AppData\Local\Temp\nsq3297.tmp\StdUtils.dll

      Filesize

      100KB

      MD5

      c6a6e03f77c313b267498515488c5740

      SHA1

      3d49fc2784b9450962ed6b82b46e9c3c957d7c15

      SHA256

      b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

      SHA512

      9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

    • C:\Users\Admin\AppData\Local\Temp\nsq3297.tmp\System.dll

      Filesize

      12KB

      MD5

      0d7ad4f45dc6f5aa87f606d0331c6901

      SHA1

      48df0911f0484cbe2a8cdd5362140b63c41ee457

      SHA256

      3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

      SHA512

      c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

    • C:\Users\Admin\AppData\Local\Temp\nsq3297.tmp\nsExec.dll

      Filesize

      6KB

      MD5

      ec0504e6b8a11d5aad43b296beeb84b2

      SHA1

      91b5ce085130c8c7194d66b2439ec9e1c206497c

      SHA256

      5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962

      SHA512

      3f918f1b47e8a919cbe51eb17dc30acc8cfc18e743a1bae5b787d0db7d26038dc1210be98bf5ba3be8d6ed896dbbd7ac3d13e66454a98b2a38c7e69dad30bb57

    • C:\Users\Admin\AppData\Local\Temp\nsq3297.tmp\nsis7z.dll

      Filesize

      424KB

      MD5

      80e44ce4895304c6a3a831310fbf8cd0

      SHA1

      36bd49ae21c460be5753a904b4501f1abca53508

      SHA256

      b393f05e8ff919ef071181050e1873c9a776e1a0ae8329aefff7007d0cadf592

      SHA512

      c8ba7b1f9113ead23e993e74a48c4427ae3562c1f6d9910b2bbe6806c9107cf7d94bc7d204613e4743d0cd869e00dafd4fb54aad1e8adb69c553f3b9e5bc64df