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Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    12/02/2024, 05:55

General

  • Target

    966a691b3369a8b09dfa46eaa0dcfc5f.exe

  • Size

    216KB

  • MD5

    966a691b3369a8b09dfa46eaa0dcfc5f

  • SHA1

    49a05cf0a646ae3b831466e2c239a0fdf5bb2e47

  • SHA256

    77708139f01b4743b67b477e08cd71477d88fbf7c97f9ef637aebfba9cc70d05

  • SHA512

    d73ebb7edae9c205ef2b447f49110f94ad25a54915a86d1d6c03e87f3b5085ca9354dca9dc87e9b271f8c7704342115a3d6544b23c3e76a2e09ab85715608e44

  • SSDEEP

    6144:m7yT0s131e1LyYpCmuL1HR3dnZ+WiaD0gzO/o:xAst1e9pCmuZHN+WiaD0gzO

Score
8/10

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 3 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\966a691b3369a8b09dfa46eaa0dcfc5f.exe
    "C:\Users\Admin\AppData\Local\Temp\966a691b3369a8b09dfa46eaa0dcfc5f.exe"
    1⤵
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\Users\Admin\AppData\Local\Temp\jiii\966a691b3369a8b09dfa46eaa0dcfc5f.exe
      "C:\Users\Admin\AppData\Local\Temp\jiii\966a691b3369a8b09dfa46eaa0dcfc5f.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2664
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\jiii\ewidlull.bat""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2712
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall delete allowedprogram program="C:\Users\Admin\AppData\Local\Temp\jiii\966a691b3369a8b09dfa46eaa0dcfc5f.exe" profile=All
          4⤵
          • Modifies Windows Firewall
          PID:2976
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\jiii\whukm.bat""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2748
        • C:\Windows\SysWOW64\netsh.exe
          netsh.exe firewall add allowedprogram PROGRAM="C:\Users\Admin\AppData\Local\Temp\jiii\966a691b3369a8b09dfa46eaa0dcfc5f.exe" NAME="lvideo" MODE=ENABLE PROFILE=ALL
          4⤵
          • Modifies Windows Firewall
          PID:2744
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\jiii\ctnbk.bat""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2288
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall delete allowedprogram program="C:\Users\Admin\AppData\Local\Temp\jiii\966a691b3369a8b09dfa46eaa0dcfc5f.exe" profile=All
          4⤵
          • Modifies Windows Firewall
          PID:824

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

    f348625b487fde62d11a43dba146aacb

    SHA1

    06208927275e7fd46514db862bf81385ffd24297

    SHA256

    9d45c8e322c5cecb2d99fec3eb3e45e1f4b0aac5275ea60d5e3be58db584eaf7

    SHA512

    7e5060e2232417e81bcb2ca0e96d03e415e5d0742cda9d206ebb136cc93e870c6c01981620feeee8ad3657572b9556779feb81182e2ff7f38108452cf8ef5ac4

  • C:\Users\Admin\AppData\Local\Temp\Cab7DD9.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar828D.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • C:\Users\Admin\AppData\Local\Temp\jiii\ctnbk.bat

    Filesize

    196B

    MD5

    321215ce15334f683ac3a3f136d66f47

    SHA1

    2b170f7abc326bcc52d77bd33a0213c4998b43a7

    SHA256

    8ce6551d1396f4f566acfc09faf342d6abb7748ad5af819de5f1b8a46bf1dfb9

    SHA512

    f6071e6208923f3e004303c2522cb77336963bcfe16f1af9be9e10ba8d8c1d163c5ab0bebfe6ef1775b53c26aa040c551cdea1c489b4cce393c0460d3bb3d0c8

  • C:\Users\Admin\AppData\Local\Temp\jiii\d.vbs

    Filesize

    304B

    MD5

    f29420d2c10ce8f8071f6ea7787e7ac2

    SHA1

    7779bc3048f7e79ea50ca6fa1e436c1ab079139e

    SHA256

    04ac562613efabc8a5c3737600840f342ff07d67edf6a9f35e54af476a9e6273

    SHA512

    cef1010dba4e13b0dc81dba96b216d5eb6b4c72b7ea131d5054d71ef4acc10f47dbb51baa2e0226e8b8be365d0424e53513700d18c13a845a9062714df3dde7e

  • C:\Users\Admin\AppData\Local\Temp\jiii\ewidlull.bat

    Filesize

    199B

    MD5

    a92db6f6ba3fa0d1153d1413650ef40c

    SHA1

    4d508dbfaaab58d0fcf1df7a36e13bf2df5889c1

    SHA256

    ef76702e781ad2be95926ae58a1c90238d071fe90f286ad44f382f7aa125b721

    SHA512

    3bb376f8717c5d71ad2d40c5341ecf9b7874709bd672b9ed01c63fcebc9cc3c93aa37e3d62ca022b6dec56c3e38579d463d65686bddf07e5c0a1aaf00745a6cb

  • C:\Users\Admin\AppData\Local\Temp\jiii\whukm.bat

    Filesize

    223B

    MD5

    2011d767ee9a743f7e2d21a5f1fefd0d

    SHA1

    eb499dfd466848fd87092d340e807ac564566a95

    SHA256

    d0b58d10f162168b8cbf3bee2246da70d15d2421b378b5d5d9da959a79824d10

    SHA512

    ee28ccc5c93bd4dda96dc489e1a9b9e05720f92f967a0fbe12b14d7152925bdbff81dcf5766ad25f9a147aefe4911fc706afe8cec5008489fefaa7d7126a0ce7

  • \Users\Admin\AppData\Local\Temp\jiii\966a691b3369a8b09dfa46eaa0dcfc5f.exe

    Filesize

    216KB

    MD5

    966a691b3369a8b09dfa46eaa0dcfc5f

    SHA1

    49a05cf0a646ae3b831466e2c239a0fdf5bb2e47

    SHA256

    77708139f01b4743b67b477e08cd71477d88fbf7c97f9ef637aebfba9cc70d05

    SHA512

    d73ebb7edae9c205ef2b447f49110f94ad25a54915a86d1d6c03e87f3b5085ca9354dca9dc87e9b271f8c7704342115a3d6544b23c3e76a2e09ab85715608e44