Analysis

  • max time kernel
    182s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    13/10/2022, 21:17

General

  • Target

    febfcff60f563c1de8722695bdcedfa299063cc59c17dd34d2bc13262fc54bba.exe

  • Size

    367KB

  • MD5

    64732ae63ca84c150f07c8381c3776a8

  • SHA1

    2218e1431f64a39a606cb9f39a407a0b1fd2ca93

  • SHA256

    febfcff60f563c1de8722695bdcedfa299063cc59c17dd34d2bc13262fc54bba

  • SHA512

    288f1fb7bae13c2fedaf778baf34c081a3382fa5d5916a493d2e8caba885f35d92991a77cf30f29296b4e398cef63eac60d2381f53fca535d0eff9de5e6d96e4

  • SSDEEP

    6144:k9PF/yO1EiyJdl2GaJoDLs2niyKDe7lKbylMi:A4igdl2GlDLs6zLlMi

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies firewall policy service 2 TTPs 6 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Sality

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

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

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

  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 32 IoCs

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

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 40 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1268
      • C:\Users\Admin\AppData\Local\Temp\febfcff60f563c1de8722695bdcedfa299063cc59c17dd34d2bc13262fc54bba.exe
        "C:\Users\Admin\AppData\Local\Temp\febfcff60f563c1de8722695bdcedfa299063cc59c17dd34d2bc13262fc54bba.exe"
        2⤵
        • Modifies firewall policy service
        • Modifies system executable filetype association
        • UAC bypass
        • Windows security bypass
        • Loads dropped DLL
        • Windows security modification
        • Checks whether UAC is enabled
        • Enumerates connected drives
        • Drops autorun.inf file
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:1880
        • C:\Users\Admin\AppData\Local\Temp\3582-490\febfcff60f563c1de8722695bdcedfa299063cc59c17dd34d2bc13262fc54bba.exe
          "C:\Users\Admin\AppData\Local\Temp\3582-490\febfcff60f563c1de8722695bdcedfa299063cc59c17dd34d2bc13262fc54bba.exe"
          3⤵
          • Modifies firewall policy service
          • UAC bypass
          • Windows security bypass
          • Executes dropped EXE
          • Windows security modification
          • Checks whether UAC is enabled
          • Enumerates connected drives
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:1224
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1232
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1136

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\3582-490\febfcff60f563c1de8722695bdcedfa299063cc59c17dd34d2bc13262fc54bba.exe

                Filesize

                327KB

                MD5

                6882df90ceffff0a133bd156d538fa8e

                SHA1

                864b2abe5d08c9a1fb24f35627ddb449ba7e2160

                SHA256

                8caab2cf18dd64db397915337ae22a6090f01cb5f6876af50e81d75185fc1fb1

                SHA512

                0d97c2cd0b5648f7f80cfff1415fe1a89d5eae6ce3bcf70b5a570c003e19e72716f1b56d0737d21de8c76aef057b5ca3ccdca7d4f961a1e82a132e152b16576a

              • C:\Users\Admin\AppData\Local\Temp\3582-490\febfcff60f563c1de8722695bdcedfa299063cc59c17dd34d2bc13262fc54bba.exe

                Filesize

                327KB

                MD5

                6882df90ceffff0a133bd156d538fa8e

                SHA1

                864b2abe5d08c9a1fb24f35627ddb449ba7e2160

                SHA256

                8caab2cf18dd64db397915337ae22a6090f01cb5f6876af50e81d75185fc1fb1

                SHA512

                0d97c2cd0b5648f7f80cfff1415fe1a89d5eae6ce3bcf70b5a570c003e19e72716f1b56d0737d21de8c76aef057b5ca3ccdca7d4f961a1e82a132e152b16576a

              • C:\Users\Admin\AppData\Local\Temp\winkdmvp.exe

                Filesize

                741B

                MD5

                25aa9bb549ecc7bb6100f8d179452508

                SHA1

                a3bea5e2138d1558109fa26d46e2f79c3a20228f

                SHA256

                df83a0d6940600e4c4954f4874fcd4dd73e781e6690c3bf56f51c95285484a3c

                SHA512

                12e26fa999faf2ca017a49987be5c668930495c26c789e19863097e5b0555add90ecdbb397521436acb47d7f2dfd5029b9b4beed16877ac7df854b3321642e37

              • C:\Windows\SYSTEM.INI

                Filesize

                255B

                MD5

                99faf14f2b39f98a14b1e703edefe9ae

                SHA1

                484c5319197e8c1b7efb491053af8122f78a17f2

                SHA256

                42d4f407d5199cfa2119eb6efe31e4892010590bfc338920fcb4b08d946f100d

                SHA512

                50d99162b696a45221c3fa7e62c8028f4dc3293e8a29e8839fb2e135aa26dc5c8e962d655ebb5e7080dbd93bc5f29156bb0cbc881544257198da2848f2e0eac5

              • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

                Filesize

                252KB

                MD5

                9e2b9928c89a9d0da1d3e8f4bd96afa7

                SHA1

                ec66cda99f44b62470c6930e5afda061579cde35

                SHA256

                8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

                SHA512

                2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

              • \Users\Admin\AppData\Local\Temp\3582-490\febfcff60f563c1de8722695bdcedfa299063cc59c17dd34d2bc13262fc54bba.exe

                Filesize

                327KB

                MD5

                6882df90ceffff0a133bd156d538fa8e

                SHA1

                864b2abe5d08c9a1fb24f35627ddb449ba7e2160

                SHA256

                8caab2cf18dd64db397915337ae22a6090f01cb5f6876af50e81d75185fc1fb1

                SHA512

                0d97c2cd0b5648f7f80cfff1415fe1a89d5eae6ce3bcf70b5a570c003e19e72716f1b56d0737d21de8c76aef057b5ca3ccdca7d4f961a1e82a132e152b16576a

              • \Users\Admin\AppData\Local\Temp\3582-490\febfcff60f563c1de8722695bdcedfa299063cc59c17dd34d2bc13262fc54bba.exe

                Filesize

                327KB

                MD5

                6882df90ceffff0a133bd156d538fa8e

                SHA1

                864b2abe5d08c9a1fb24f35627ddb449ba7e2160

                SHA256

                8caab2cf18dd64db397915337ae22a6090f01cb5f6876af50e81d75185fc1fb1

                SHA512

                0d97c2cd0b5648f7f80cfff1415fe1a89d5eae6ce3bcf70b5a570c003e19e72716f1b56d0737d21de8c76aef057b5ca3ccdca7d4f961a1e82a132e152b16576a

              • memory/1224-66-0x00000000004B0000-0x00000000004B2000-memory.dmp

                Filesize

                8KB

              • memory/1224-71-0x0000000001000000-0x0000000001056000-memory.dmp

                Filesize

                344KB

              • memory/1224-65-0x0000000002460000-0x00000000034EE000-memory.dmp

                Filesize

                16.6MB

              • memory/1224-61-0x0000000002460000-0x00000000034EE000-memory.dmp

                Filesize

                16.6MB

              • memory/1224-64-0x0000000001000000-0x0000000001056000-memory.dmp

                Filesize

                344KB

              • memory/1224-72-0x0000000002460000-0x00000000034EE000-memory.dmp

                Filesize

                16.6MB

              • memory/1224-69-0x0000000002460000-0x00000000034EE000-memory.dmp

                Filesize

                16.6MB

              • memory/1224-70-0x00000000004B0000-0x00000000004B2000-memory.dmp

                Filesize

                8KB

              • memory/1880-54-0x0000000075201000-0x0000000075203000-memory.dmp

                Filesize

                8KB

              • memory/1880-62-0x00000000025F0000-0x0000000002646000-memory.dmp

                Filesize

                344KB

              • memory/1880-73-0x0000000002C50000-0x0000000003CDE000-memory.dmp

                Filesize

                16.6MB

              • memory/1880-67-0x00000000003C0000-0x00000000003C2000-memory.dmp

                Filesize

                8KB

              • memory/1880-75-0x00000000023A0000-0x0000000002FEA000-memory.dmp

                Filesize

                12.3MB

              • memory/1880-76-0x00000000023A0000-0x0000000002FEA000-memory.dmp

                Filesize

                12.3MB

              • memory/1880-63-0x00000000025F0000-0x0000000002646000-memory.dmp

                Filesize

                344KB

              • memory/1880-78-0x00000000025F0000-0x0000000002646000-memory.dmp

                Filesize

                344KB