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Analysis

  • max time kernel
    140s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    24/02/2024, 11:09

General

  • Target

    a1b6020d02d860d73c4bdcdce048f378.exe

  • Size

    209KB

  • MD5

    a1b6020d02d860d73c4bdcdce048f378

  • SHA1

    c5d5ed5802569b985730f0fd5e591bc3f7abe3e0

  • SHA256

    5f6ca70c362f96c43ba6984ccff9269ecbcc3caeaa43da84cec632af88493728

  • SHA512

    38fdb1fc990b13b5a3d53ed966c3079dd0ddd7197621b46c2c2a69c1a8a2d37ad4bd7a1a16bd434d3e83ec8154bacb35694e944676c9769c0c2238600b224add

  • SSDEEP

    6144:+l0n6auJ+xcfsJyT+C4HT8Et4kVPEPmd5cfo:Zn6auJ4JnCMTrt1VPEPmq

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a1b6020d02d860d73c4bdcdce048f378.exe
    "C:\Users\Admin\AppData\Local\Temp\a1b6020d02d860d73c4bdcdce048f378.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1620
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\B66.tmp\vir.bat""
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2680
      • C:\Users\Admin\AppData\Local\Temp\u.dll
        u.dll -bat vir.bat -save a1b6020d02d860d73c4bdcdce048f378.exe.com -include s.dll -overwrite -nodelete
        3⤵
        • Executes dropped EXE
        PID:1428
      • C:\Users\Admin\AppData\Local\Temp\u.dll
        u.dll -bat vir.bat -save ose00000.exe.com -include s.dll -overwrite -nodelete
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2584
        • C:\Users\Admin\AppData\Local\Temp\26F1.tmp\mpress.exe
          "C:\Users\Admin\AppData\Local\Temp\26F1.tmp\mpress.exe" "C:\Users\Admin\AppData\Local\Temp\exe26F2.tmp"
          4⤵
          • Executes dropped EXE
          PID:3036
      • C:\Windows\SysWOW64\calc.exe
        CALC.EXE
        3⤵
          PID:2852

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\B66.tmp\vir.bat

      Filesize

      1KB

      MD5

      5745d2e7b40b8cf0f0e4b9212dcd53a9

      SHA1

      4527b006f5d9afe570cbd92cf036de9ac1ed3408

      SHA256

      1633b5f23c807ee9030e1d567655f7b475b053cb46692327454f753932dc0426

      SHA512

      3770ce98f2e146a1a6f32928557ddebcf518d7df074b58cf98347d0dc76ba8e1dd3d5fd768d79621a2096aeb926a84841c0885a98d2f067d1e85a16a69633963

    • C:\Users\Admin\AppData\Local\Temp\exe26F2.tmp

      Filesize

      24KB

      MD5

      7cda353434725a4a3712954fd3ded290

      SHA1

      d8348e79d6bcee527743b126026367d700ddb436

      SHA256

      7e781837fa89a8ead0a14c14a7f2125a89bb7b33d2ccc358f6b8ad22924b5e86

      SHA512

      4ac257fe8e0772adc8aa1a2626153c473554c341c025959dd994100c43e2cec274e8a532e0c1b5c0ecdf463733d25a63767b995b731ce272b1c7a3ad0820b95d

    • C:\Users\Admin\AppData\Local\Temp\exe26F2.tmp

      Filesize

      41KB

      MD5

      7aa367dca7be65e07b16bd69f06263e3

      SHA1

      d447739251408f8e8490a9d307927bfbe41737ce

      SHA256

      738bf50547320b0683af727ad6d430f2e7b83c846fe24f91527b7ee263bfa076

      SHA512

      d7884589d7d12a628c9e07b77b3b793fa91f67fe13563e7b072ca864e053e6b7d711852e30ae1c877576b8ad47f67d2826e8ee711e6b65a329baa57492fe31b3

    • C:\Users\Admin\AppData\Local\Temp\s.dll

      Filesize

      700KB

      MD5

      3c9568b0d86a865f9f73d9c0967cfdad

      SHA1

      3270df3e0e600f4df2c3cbc384837693a8a3a83e

      SHA256

      c7b97a001b39e17382e929aad924555f3d21886b86aed38cffd660490801d1d6

      SHA512

      bd423d1d57823b1bf6db42aeec199aa93178a9317ead85b42b60e091aaf4f73ce721bc07fda4750e112c4dccb9d87e21d5793965da9d6e92b0c5bed92c26876f

    • C:\Users\Admin\AppData\Local\Temp\vir.bat

      Filesize

      1KB

      MD5

      dd2755b2fdbd8fe4e420ed1fe8afd168

      SHA1

      3c4f7d3f6ea9c68d6835c2b1d2c407bddc8971eb

      SHA256

      56c40636e34b42e9ef6fb7626c5653b185ca3d8ef555e094bba6665b2b7cb2ac

      SHA512

      508362fe168b5a6c46799b475a14365e0fbb0c8668532be7fec1ce0c9a88db693edc5585d47756c86b3096634f96bec97f602fc6b4c5b19c2fc6c57d7f665da1

    • C:\Users\Admin\AppData\Local\Temp\vir.bat

      Filesize

      1KB

      MD5

      0da88cd99e692dcedcd04c95c1ff5367

      SHA1

      21f826886ef20382172f2586e9c902fb4235a5c6

      SHA256

      4f4945c9525638e1106052cc7dfde4f2fd176ec99e910ea2b85d5dee7e897fd6

      SHA512

      2c65dd48575ceaf60b031ba4d09be0d47a486bdab331f23b0358ccc19f83d3b6e3db4d704f19d5e280d8a58883195d6d4a0d2110d8a46d11d302949b2bfdfd98

    • \Users\Admin\AppData\Local\Temp\26F1.tmp\mpress.exe

      Filesize

      100KB

      MD5

      e42b81b9636152c78ba480c1c47d3c7f

      SHA1

      66a2fca3925428ee91ad9df5b76b90b34d28e0f8

      SHA256

      7c24c72439880e502be51da5d991b9b56a1af242b4eef4737f0f43b4a87546d2

      SHA512

      4b2986106325c5c3fe11ab460f646d4740eb85252aa191f2b84e29901fac146d7a82e31c72d39c38a70277f78278621ee506d9da2681f5019cd64c7df85cff6e

    • memory/1620-0-0x0000000000400000-0x00000000004BF000-memory.dmp

      Filesize

      764KB

    • memory/1620-113-0x0000000000400000-0x00000000004BF000-memory.dmp

      Filesize

      764KB

    • memory/2584-95-0x00000000004C0000-0x00000000004F4000-memory.dmp

      Filesize

      208KB

    • memory/3036-97-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/3036-102-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB