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Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    31/05/2024, 19:33

General

  • Target

    50c209b34c1d487a6159fb38ad737473131c45cfa6731ed887f9848279bdf4e3.exe

  • Size

    717KB

  • MD5

    97789fe8773b4960fca0cfa21c08060c

  • SHA1

    9e3fbcf281c24035370c7a41b7f0be6e8bf0bf74

  • SHA256

    50c209b34c1d487a6159fb38ad737473131c45cfa6731ed887f9848279bdf4e3

  • SHA512

    ade0af5d38bb201aa633ebdd5fc65b90a62552b3f10319115eaf2e39c8707f0b09389215a94e268b581d5c264b8fa8d7ebe65159c6505462da08c79c327d8464

  • SSDEEP

    12288:YqPlfC6Aj+TN5uixZN+8rKhUdTC/wE1ZD0Ca5ZIXV:YqP9LOS2opPIXV

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Executes dropped EXE
    PID:1200
    • C:\Users\Admin\AppData\Local\Temp\50c209b34c1d487a6159fb38ad737473131c45cfa6731ed887f9848279bdf4e3.exe
      "C:\Users\Admin\AppData\Local\Temp\50c209b34c1d487a6159fb38ad737473131c45cfa6731ed887f9848279bdf4e3.exe"
      2⤵
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2012
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1252
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
            PID:1324
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a30A2.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2660
          • C:\Users\Admin\AppData\Local\Temp\50c209b34c1d487a6159fb38ad737473131c45cfa6731ed887f9848279bdf4e3.exe
            "C:\Users\Admin\AppData\Local\Temp\50c209b34c1d487a6159fb38ad737473131c45cfa6731ed887f9848279bdf4e3.exe"
            4⤵
            • Executes dropped EXE
            PID:2944
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1264
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2612
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2596
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2708
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2492

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

          Filesize

          258KB

          MD5

          d27c63e967bc8b5fd47f2ed92a7c31d4

          SHA1

          61d4de0e67b9ff62bbb9c1abeffaa013af804f20

          SHA256

          cd9b6b425d624455491f2ecded3dd2eb9ea18a9a01a9e7024a7265b913cfb3f4

          SHA512

          d01d9b413904b54fe10ded037c3aa152f2484b375bb2f534e2287b2ba210db9bb138875a0cfcdba45f1e526747c782960d1ab3357eefbc034bec571177fba951

        • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

          Filesize

          478KB

          MD5

          5264aab343fc1f53c29d1065346d0010

          SHA1

          db43bc0b28b4ada0c5635db50fd0b64410ab76ad

          SHA256

          d33d56847b353c8207a43aa01cc75527328ebf4bba669e90e29266d1b6fb57dd

          SHA512

          bb4ba1f7c5cae56cef564dd99f1a1fd3e2c656f8004f689a22ea641d886cbb3a19dde3dce5be4cf8cee4ce190170fd8c5390cb9c7c40ae54109559685119a958

        • C:\Users\Admin\AppData\Local\Temp\$$a30A2.bat

          Filesize

          722B

          MD5

          f1521e912b2021b6521a569fddd89d07

          SHA1

          dc2c233552e638cd3e861691d7df3a5581a62d9f

          SHA256

          5b98afe13f50f30f82b075bce64f56328b1f52058cb62ecba04db0fb0002c02e

          SHA512

          1f890720951417a55fb2570c9cc0c6473f51befe5d5636aea0ce887e77fcd5291a000103d5a1cb25e7048971d8d9158093948f95c6b29bafbfaf5289b14866a6

        • C:\Users\Admin\AppData\Local\Temp\50c209b34c1d487a6159fb38ad737473131c45cfa6731ed887f9848279bdf4e3.exe.exe

          Filesize

          684KB

          MD5

          50f289df0c19484e970849aac4e6f977

          SHA1

          3dc77c8830836ab844975eb002149b66da2e10be

          SHA256

          b9b179b305c5268ad428b6ae59de10b4fe99cf0199bbc89b7017181905e97305

          SHA512

          877d852ea1062b90e2fd2f3c4dc7d05d9697e9a9b2929c830a770b62741f6a11e06de73275eb871113f11143faf1cb40d99f7c247862ffb778d26833ed5d7e38

        • C:\Windows\Logo1_.exe

          Filesize

          33KB

          MD5

          ef01f71a4c5d601732f01e9b5d6ea283

          SHA1

          073fcc96b3f22df37387be1006700d90346fc342

          SHA256

          4836226708703a884cbf785b4d4f10d3042daac184de30a47263d47c9f31c9b4

          SHA512

          009a4397351e1a406f4531edb1a071f207c9213750018441296dcac28670bc7af57165f67d72631bed1d56eff89148c751cea40aabc608532c60b39791e85a0f

        • F:\$RECYCLE.BIN\S-1-5-21-481678230-3773327859-3495911762-1000\_desktop.ini

          Filesize

          9B

          MD5

          0e9e05c07df1bfb27555d84deb706050

          SHA1

          48ebafcf728d66a097bc66ad41b73d7a757c1a0c

          SHA256

          8f1b205bcc3039e60fbcea0063608e012fd662abb41bba5469d530e2c305174d

          SHA512

          d88c9a9bdf6f386278ba86cf3523334eeb5e9efefa9776bc92bdffa41f0c4937e64a7b5f3821b324e13372fa662aa4fb028676f7ed0a73c989edabd490bd05f5

        • memory/1200-29-0x0000000002610000-0x0000000002611000-memory.dmp

          Filesize

          4KB

        • memory/1264-32-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/1264-18-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/1264-3343-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/1264-4174-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2012-0-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2012-17-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB