Analysis

  • max time kernel
    119s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    27/08/2023, 05:20

General

  • Target

    a8a5f9f6c7374b76789ffdadd6e91e941fd764e72a41fd714c2b2e9d1bc42d63.exe

  • Size

    1.3MB

  • MD5

    8cd445b6854e28c2b20ce5225846afe3

  • SHA1

    5fe8655f5a95e8955c433bafe01ea7da945d56ef

  • SHA256

    a8a5f9f6c7374b76789ffdadd6e91e941fd764e72a41fd714c2b2e9d1bc42d63

  • SHA512

    92982060d5a9445f800ada943c45b9e34dbcd14a003e688dc0c03be04e8423d0957e2ced26246c3255c7d79b47e678de1727a7511369ed6cb6822cfc08c5790b

  • SSDEEP

    24576:2N9iO2UR2f8hyUd8W0HscgL1wVaNqno10LC6aG7XdTaaGF3Osim1BxF0+UJ:2NOUG8KW0Mj1wTo1tu7XdTzGF3Fim1Bu

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

Signatures

  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • UPX packed file 11 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 7 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1180
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1232
          • C:\Users\Admin\AppData\Local\Temp\a8a5f9f6c7374b76789ffdadd6e91e941fd764e72a41fd714c2b2e9d1bc42d63.exe
            "C:\Users\Admin\AppData\Local\Temp\a8a5f9f6c7374b76789ffdadd6e91e941fd764e72a41fd714c2b2e9d1bc42d63.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Drops file in Windows directory
            • Modifies system certificate store
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:3068
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1220

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

                  Filesize

                  61KB

                  MD5

                  f3441b8572aae8801c04f3060b550443

                  SHA1

                  4ef0a35436125d6821831ef36c28ffaf196cda15

                  SHA256

                  6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

                  SHA512

                  5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

                • C:\Users\Admin\AppData\Local\Temp\TarA00E.tmp

                  Filesize

                  163KB

                  MD5

                  9441737383d21192400eca82fda910ec

                  SHA1

                  725e0d606a4fc9ba44aa8ffde65bed15e65367e4

                  SHA256

                  bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

                  SHA512

                  7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

                • C:\Users\Admin\AppData\Roaming\MiniPage_2345\2345MiniPage.CheckVersion.data

                  Filesize

                  29B

                  MD5

                  99fb8e84b8aa92889349054a60e1f359

                  SHA1

                  1b3dd1afb4fe4533ca16db4dd3e7845c13b0e1c5

                  SHA256

                  5313e624a817ebcb34675027d12b87465de4fc4fdddfdd74d244490c4911b8e4

                  SHA512

                  2a99095109445c3ca1b9fad5c87fdfed331641401ca8d19d3ab4d109e18b9dc5feb739485f14f390bd3bcfa3a4325e3b1278fe1bb8690dd8df16edb9af52faac

                • memory/1108-12-0x0000000000510000-0x0000000000512000-memory.dmp

                  Filesize

                  8KB

                • memory/3068-20-0x0000000001F20000-0x0000000002FDA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3068-31-0x0000000003BB0000-0x0000000003BB2000-memory.dmp

                  Filesize

                  8KB

                • memory/3068-15-0x0000000001F20000-0x0000000002FDA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3068-17-0x0000000001F20000-0x0000000002FDA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3068-0-0x0000000000400000-0x0000000000554000-memory.dmp

                  Filesize

                  1.3MB

                • memory/3068-27-0x0000000001F20000-0x0000000002FDA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3068-29-0x0000000001F20000-0x0000000002FDA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3068-11-0x0000000001F20000-0x0000000002FDA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3068-32-0x0000000001F20000-0x0000000002FDA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3068-33-0x0000000001F20000-0x0000000002FDA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3068-10-0x0000000001F20000-0x0000000002FDA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3068-1-0x0000000001F20000-0x0000000002FDA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3068-96-0x0000000001F20000-0x0000000002FDA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3068-104-0x0000000000400000-0x0000000000554000-memory.dmp

                  Filesize

                  1.3MB