Analysis

  • max time kernel
    157s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2022 11:00

General

  • Target

    eecb5a67c11f3c210e0f46562af7bc356f2b1c2b8e16a9be2b2a8b597f019768.exe

  • Size

    50KB

  • MD5

    1c69beea9fac0b197191be566883f8fb

  • SHA1

    1904cee0dc4d1eeef915aec289d2237fabe33333

  • SHA256

    eecb5a67c11f3c210e0f46562af7bc356f2b1c2b8e16a9be2b2a8b597f019768

  • SHA512

    184d147bf20a754077ae52e48d8035f3a4953ab944d5c9cdc6f07bb7a1c6c4f142c6cd60b45b183411a19dccf92cf7ea853677791fe69ef04323dc601d82d8ed

  • SSDEEP

    768:0unq3sohibJC6qmmAbDChbSz5DR2T6lez6rrSYMWVZVwHKqCPvaL:pRbJmmmAKFX2dVZVwHKqSvaL

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eecb5a67c11f3c210e0f46562af7bc356f2b1c2b8e16a9be2b2a8b597f019768.exe
    "C:\Users\Admin\AppData\Local\Temp\eecb5a67c11f3c210e0f46562af7bc356f2b1c2b8e16a9be2b2a8b597f019768.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:540
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\run_dws_file.bat" "
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1508
      • C:\Users\Admin\AppData\Local\Temp\inl89D9.tmp
        C:\Users\Admin\AppData\Local\Temp\inl89D9.tmp dml-oadmp.tmp
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1880
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\inl89D9.tmp > nul
          4⤵
            PID:840
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp_ext_favurl_cab.bat" "
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1420
        • C:\Windows\SysWOW64\expand.exe
          expand.exe "C:\Users\Admin\AppData\Local\Temp\favorites_url.cab" -F:*.* "C:\Users\Admin\Favorites"
          3⤵
          • Drops file in Windows directory
          PID:1004
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp_ext_deskurl_cab.bat" "
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1212
        • C:\Windows\SysWOW64\expand.exe
          expand.exe "C:\Users\Admin\AppData\Local\Temp\desktop_url.cab" -F:*.* "C:\Users\Admin\Desktop"
          3⤵
          • Drops file in Windows directory
          PID:1980
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" http://tc.92mh.com/
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1564
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1564 CREDAT:275457 /prefetch:2
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:548
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\EECB5A~1.EXE > nul
        2⤵
        • Deletes itself
        PID:820

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\dml-oadmp.tmp

      Filesize

      795B

      MD5

      c12ec84b236018f7076bb56f79c66832

      SHA1

      02ad25b4ea28916203ac3cd1a4fc48c39b5f3dc2

      SHA256

      1114da7ea9e9e7fe93b3feaff40cabee22c7e9b81ecfd0e40f05d9ebeee7ca3d

      SHA512

      7255f00f14c337b67611304972ffa88a5882136f7c0d5405aa7814187b733acabd4460e4f9c23b86fdb68213b69d9591c13d1fb3be719dafde55da167e33b1aa

    • C:\Users\Admin\AppData\Local\Temp\inl89D9.tmp

      Filesize

      122.8MB

      MD5

      79e77f7c4d70d2b0da6d54e7ba43d001

      SHA1

      9847d8855ffd030799b4051380e93ab2e0f361c3

      SHA256

      b570760419b891acac1913876e33562f012abd19a17e359feb442eea420d0bc4

      SHA512

      724d58f03fa4f4a2be16fe85ce28d4eaa9b34ef577ef9b561c9bab7eb842390b65a1437db076e3d30c017591d34196fb3199eae51cbc61e5fcfe05016aa4870d

    • C:\Users\Admin\AppData\Local\Temp\inl89D9.tmp

      Filesize

      122.8MB

      MD5

      79e77f7c4d70d2b0da6d54e7ba43d001

      SHA1

      9847d8855ffd030799b4051380e93ab2e0f361c3

      SHA256

      b570760419b891acac1913876e33562f012abd19a17e359feb442eea420d0bc4

      SHA512

      724d58f03fa4f4a2be16fe85ce28d4eaa9b34ef577ef9b561c9bab7eb842390b65a1437db076e3d30c017591d34196fb3199eae51cbc61e5fcfe05016aa4870d

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

      Filesize

      59B

      MD5

      40c337b05b0e0e406373ad8230ad9aeb

      SHA1

      94d71e450e4495e2e7bb6313f996e740d19d12c7

      SHA256

      90587199d593ba0d1286fb9bb5efaaa711419cb09237bcc4a16aa27ea6583202

      SHA512

      09762dab2a4b61821ddc4a49df4309957c78db9421a8fb9f2c63efd5545de76e6f1981aeec71879db212434d5853433890b0a8fceee869485540fe7c2b0e5e83

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

      Filesize

      94B

      MD5

      d5fc3a9ec15a6302543438928c29e284

      SHA1

      fd4199e543f683a8830a88f8ac0d0f001952b506

      SHA256

      b2160315eb2f3bcb2e7601e0ce7fbb4ed72094b891d3db3b5119b07eeccc568d

      SHA512

      4d0378480f1e7d5bee5cf8f8cd3495745c05408785ab687b92be739cd64c077f0e3ee26d6d96e27eb6e2c3dec5f39a2766c45854dc2d6a5b6defc672aeafa0f9

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

      Filesize

      98B

      MD5

      8663de6fce9208b795dc913d1a6a3f5b

      SHA1

      882193f208cf012eaf22eeaa4fef3b67e7c67c15

      SHA256

      2909ea8555f2fc19097c1070a1da8fcfd6dc6886aa1d99d7e0c05e53feeb5b61

      SHA512

      9381063e0f85e874be54ae22675393b82c6ab54b223090148e4acbeff6f22393c96c90b83d6538461b695528af01d1f1231cf5dc719f07d6168386974b490688

    • \??\c:\users\admin\appdata\local\temp\desktop_url.cab

      Filesize

      524B

      MD5

      62a2126d86b4aa489e696d593a3579d7

      SHA1

      1925bad55c4ab7d6b7e7f3118f31c2ebac9ded5a

      SHA256

      d62cef36cbd98e7a37d716ffda5ca0da77144625a5c43b1322e980020884fbf5

      SHA512

      a53e4e8b74dae3e6ab367cba50ed4cac925727a40c8962277ecea5604d9ae76cd1e42c78c04235bd80e82755de3f374f89c6885eec60620881c246379ff067f6

    • \??\c:\users\admin\appdata\local\temp\favorites_url.cab

      Filesize

      425B

      MD5

      da68bc3b7c3525670a04366bc55629f5

      SHA1

      15fda47ecfead7db8f7aee6ca7570138ba7f1b71

      SHA256

      73f3605192b676c92649034768378909a19d13883a7ea6f8ba1b096c78ffadb5

      SHA512

      6fee416affcb6a74621479697bca6f14f5429b00de3aa595abe3c60c6b2e094877b59f8783bbe7bdd567fa565d0630bb02def5603f8f0ea92fe8f2c3ac5383c0

    • \Users\Admin\AppData\Local\Temp\inl89D9.tmp

      Filesize

      122.8MB

      MD5

      79e77f7c4d70d2b0da6d54e7ba43d001

      SHA1

      9847d8855ffd030799b4051380e93ab2e0f361c3

      SHA256

      b570760419b891acac1913876e33562f012abd19a17e359feb442eea420d0bc4

      SHA512

      724d58f03fa4f4a2be16fe85ce28d4eaa9b34ef577ef9b561c9bab7eb842390b65a1437db076e3d30c017591d34196fb3199eae51cbc61e5fcfe05016aa4870d

    • \Users\Admin\AppData\Local\Temp\inl89D9.tmp

      Filesize

      122.8MB

      MD5

      79e77f7c4d70d2b0da6d54e7ba43d001

      SHA1

      9847d8855ffd030799b4051380e93ab2e0f361c3

      SHA256

      b570760419b891acac1913876e33562f012abd19a17e359feb442eea420d0bc4

      SHA512

      724d58f03fa4f4a2be16fe85ce28d4eaa9b34ef577ef9b561c9bab7eb842390b65a1437db076e3d30c017591d34196fb3199eae51cbc61e5fcfe05016aa4870d

    • memory/540-54-0x0000000076171000-0x0000000076173000-memory.dmp

      Filesize

      8KB

    • memory/820-75-0x0000000000000000-mapping.dmp

    • memory/840-76-0x0000000000000000-mapping.dmp

    • memory/1004-61-0x0000000000000000-mapping.dmp

    • memory/1212-57-0x0000000000000000-mapping.dmp

    • memory/1420-56-0x0000000000000000-mapping.dmp

    • memory/1508-72-0x0000000000280000-0x0000000000287000-memory.dmp

      Filesize

      28KB

    • memory/1508-73-0x0000000000280000-0x0000000000287000-memory.dmp

      Filesize

      28KB

    • memory/1508-55-0x0000000000000000-mapping.dmp

    • memory/1880-74-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/1880-68-0x0000000000000000-mapping.dmp

    • memory/1980-62-0x0000000000000000-mapping.dmp