Analysis

  • max time kernel
    140s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 05:43

General

  • Target

    f1f4b6a80d68988db5bc5a7b31a9512848f8aca9cb2fe72721491345af085f4d.exe

  • Size

    14.9MB

  • MD5

    90aaaf0c696b05986c771cebc158ce43

  • SHA1

    1d92041cdeff460d682220883b42a41970c45c62

  • SHA256

    f1f4b6a80d68988db5bc5a7b31a9512848f8aca9cb2fe72721491345af085f4d

  • SHA512

    fce47816a479d020e215841853dc71080344ef00fd76c7b7a38a93c241df6cfb58c7176016c2b98afd06a0b4d1f15cc939dd8ea58357583e1c0fe7c102ce18c0

  • SSDEEP

    393216:TgGJjm1ji73pN93/6fVuN/pkdMX1fA0A0djA+9YvkFw+eNNYl:UYK1m73pv6tYvAJ++vQwLNE

Malware Config

Signatures

  • Gh0st RAT payload 2 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Drops file in Drivers directory 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Possible privilege escalation attempt 6 IoCs
  • Loads dropped DLL 9 IoCs
  • Modifies file permissions 1 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 10 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 12 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f1f4b6a80d68988db5bc5a7b31a9512848f8aca9cb2fe72721491345af085f4d.exe
    "C:\Users\Admin\AppData\Local\Temp\f1f4b6a80d68988db5bc5a7b31a9512848f8aca9cb2fe72721491345af085f4d.exe"
    1⤵
    • Drops file in Drivers directory
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1028
    • C:\Users\Admin\AppData\Local\Temp\123.exe
      "C:\Users\Admin\AppData\Local\Temp\123.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:956
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c 2.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1212
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /c takeown /f "C:\Windows\syswow64"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1808
          • C:\Windows\SysWOW64\takeown.exe
            takeown /f "C:\Windows\syswow64"
            5⤵
            • Possible privilege escalation attempt
            • Modifies file permissions
            • Suspicious use of AdjustPrivilegeToken
            PID:828
        • C:\Windows\SysWOW64\icacls.exe
          icacls "C:\Windows\syswow64" /grant administrators:F
          4⤵
          • Possible privilege escalation attempt
          • Modifies file permissions
          PID:1964
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c 2.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1404
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /c takeown /f "C:\Windows\syswow64"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1936
          • C:\Windows\SysWOW64\takeown.exe
            takeown /f "C:\Windows\syswow64"
            5⤵
            • Possible privilege escalation attempt
            • Modifies file permissions
            • Suspicious use of AdjustPrivilegeToken
            PID:320
        • C:\Windows\SysWOW64\icacls.exe
          icacls "C:\Windows\syswow64" /grant administrators:F
          4⤵
          • Possible privilege escalation attempt
          • Modifies file permissions
          PID:760
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c 2.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:592
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /c takeown /f "C:\Windows\syswow64"
          4⤵
            PID:1700
            • C:\Windows\SysWOW64\takeown.exe
              takeown /f "C:\Windows\syswow64"
              5⤵
              • Possible privilege escalation attempt
              • Modifies file permissions
              • Suspicious use of AdjustPrivilegeToken
              PID:940
          • C:\Windows\SysWOW64\icacls.exe
            icacls "C:\Windows\syswow64" /grant administrators:F
            4⤵
            • Possible privilege escalation attempt
            • Modifies file permissions
            PID:1868
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /f /im "GamePlaza.exe"
          3⤵
          • Kills process with taskkill
          PID:1948
      • C:\Users\Admin\AppData\Local\Temp\server.exe
        "C:\Users\Admin\AppData\Local\Temp\server.exe"
        2⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1220
        • C:\Windows\SysWOW64\net.exe
          net start "Task Scheduler"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1340
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start "Task Scheduler"
            4⤵
              PID:1580
        • C:\Users\Admin\AppData\Local\Temp\7383GameCenter_v3.28.exe
          "C:\Users\Admin\AppData\Local\Temp\7383GameCenter_v3.28.exe"
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2040
          • C:\Users\Admin\AppData\Local\Temp\is-NL5K5.tmp\7383GameCenter_v3.28.tmp
            "C:\Users\Admin\AppData\Local\Temp\is-NL5K5.tmp\7383GameCenter_v3.28.tmp" /SL5="$90122,15155810,67072,C:\Users\Admin\AppData\Local\Temp\7383GameCenter_v3.28.exe"
            3⤵
            • Executes dropped EXE
            • Loads dropped DLL
            PID:1992

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\123.exe

        Filesize

        26KB

        MD5

        d98d61075c63fd210c7ae68867374f67

        SHA1

        657e54b5f25306e7191970d7f498c872d8737f40

        SHA256

        a48e6a66afdea26e5b5a6d0fadf7a1acb921dbc58c08b0001a3ca21b072e8a6d

        SHA512

        6f2588922c3f4507d29bb6c9b57de540643a23fec94db07476e0eed3aed25e100b821fbee9ea0590575298d417c158b57fcf8402862ecc4f9d61a70ec703f885

      • C:\Users\Admin\AppData\Local\Temp\123.exe

        Filesize

        26KB

        MD5

        d98d61075c63fd210c7ae68867374f67

        SHA1

        657e54b5f25306e7191970d7f498c872d8737f40

        SHA256

        a48e6a66afdea26e5b5a6d0fadf7a1acb921dbc58c08b0001a3ca21b072e8a6d

        SHA512

        6f2588922c3f4507d29bb6c9b57de540643a23fec94db07476e0eed3aed25e100b821fbee9ea0590575298d417c158b57fcf8402862ecc4f9d61a70ec703f885

      • C:\Users\Admin\AppData\Local\Temp\2.bat

        Filesize

        110B

        MD5

        521e37256443e6b3f2281f217476bf79

        SHA1

        81f0e2b65605f070782cbe241569c6b9a25bb9dc

        SHA256

        79ae97b29c3a714fa32b14c282716f1378ad8de73d6a6d954fdd7e1270bc411f

        SHA512

        23096a5eee45c7f2b278cf9385a0ea91b86c01332a096e56f1c8de336ca0bba77e0b1dbb6f2197b5c6a91c2ca093df356026c6452e4a022db79a6b555cb39025

      • C:\Users\Admin\AppData\Local\Temp\2.bat

        Filesize

        110B

        MD5

        521e37256443e6b3f2281f217476bf79

        SHA1

        81f0e2b65605f070782cbe241569c6b9a25bb9dc

        SHA256

        79ae97b29c3a714fa32b14c282716f1378ad8de73d6a6d954fdd7e1270bc411f

        SHA512

        23096a5eee45c7f2b278cf9385a0ea91b86c01332a096e56f1c8de336ca0bba77e0b1dbb6f2197b5c6a91c2ca093df356026c6452e4a022db79a6b555cb39025

      • C:\Users\Admin\AppData\Local\Temp\2.bat

        Filesize

        110B

        MD5

        521e37256443e6b3f2281f217476bf79

        SHA1

        81f0e2b65605f070782cbe241569c6b9a25bb9dc

        SHA256

        79ae97b29c3a714fa32b14c282716f1378ad8de73d6a6d954fdd7e1270bc411f

        SHA512

        23096a5eee45c7f2b278cf9385a0ea91b86c01332a096e56f1c8de336ca0bba77e0b1dbb6f2197b5c6a91c2ca093df356026c6452e4a022db79a6b555cb39025

      • C:\Users\Admin\AppData\Local\Temp\7383GameCenter_v3.28.exe

        Filesize

        14.8MB

        MD5

        e345699fb3c408badd9290b7071ab3be

        SHA1

        9a38eee55f7ba69371fc60b552e410db33c28584

        SHA256

        975858a08ba28afcb6a3b8cc7a51c08b0d8cbb042d82078b4e6bfe383c29ad0b

        SHA512

        db0952d521e2033b657c615b1adc327d97191f305800b31cc359c7a998fc723a5ff284f96b45984ea00062398b921f62597463c36ef179165ef905434ca02ea4

      • C:\Users\Admin\AppData\Local\Temp\7383GameCenter_v3.28.exe

        Filesize

        14.8MB

        MD5

        e345699fb3c408badd9290b7071ab3be

        SHA1

        9a38eee55f7ba69371fc60b552e410db33c28584

        SHA256

        975858a08ba28afcb6a3b8cc7a51c08b0d8cbb042d82078b4e6bfe383c29ad0b

        SHA512

        db0952d521e2033b657c615b1adc327d97191f305800b31cc359c7a998fc723a5ff284f96b45984ea00062398b921f62597463c36ef179165ef905434ca02ea4

      • C:\Users\Admin\AppData\Local\Temp\is-NL5K5.tmp\7383GameCenter_v3.28.tmp

        Filesize

        701KB

        MD5

        5ccf127dcef6c689d9de3e8fd68b76fd

        SHA1

        eef6a9b5f85f97a593bb6587850ec0e604c9fdb9

        SHA256

        9f41b29a9e70206c71ed62e3c77483ecaef0fb6415a8c8404054ec00e9ffac82

        SHA512

        b163b3858c80cc41a549ff1a90eddd491b864eddd86dd7daca712520af4f03b4e816bee96793ac5c2298930dd237446941a9bd42eb8565e553cd23997da945d3

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

        Filesize

        80KB

        MD5

        6a6fa84bbc2ee7b1ee5957a66c86904e

        SHA1

        25e9df4d983ab9a2b1561e500f083ac98ccf966b

        SHA256

        507e5243da2a8f45f641d0e23556f98601edc14506d1151e5c100d6b9d8a3db3

        SHA512

        9f6abaf2bf7dc784c57a61f18eac88c77345014e20bc41c54d68f54a5591a7e348e48f1cf452d96e6622bbadc6685d593ab26811b87821f684a62bce3bf6a2c8

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

        Filesize

        80KB

        MD5

        6a6fa84bbc2ee7b1ee5957a66c86904e

        SHA1

        25e9df4d983ab9a2b1561e500f083ac98ccf966b

        SHA256

        507e5243da2a8f45f641d0e23556f98601edc14506d1151e5c100d6b9d8a3db3

        SHA512

        9f6abaf2bf7dc784c57a61f18eac88c77345014e20bc41c54d68f54a5591a7e348e48f1cf452d96e6622bbadc6685d593ab26811b87821f684a62bce3bf6a2c8

      • C:\Windows\SysWOW64\1233BBD.tmp

        Filesize

        16KB

        MD5

        f4fd07b1c136fd35c933925462e3ed18

        SHA1

        b97f3cd2e9e2a29289e39397c265cdd980c8eb9f

        SHA256

        1b013c3f92da5413da29e68e255126c0c562e88b83cc3f2c8c47ff7b8baefc2c

        SHA512

        51e8ee9f23fac41d6c7bdad3e7f8ebda2c7b58de5056c7cbd9666796f06a4e0ea3fbad40626e3ba6b0ddbc77dccf28c24b5519677ac80b427189146ed177ab81

      • C:\Windows\SysWOW64\123789B.tmp

        Filesize

        101KB

        MD5

        f913b20dc0e5fa059512c86b18bfc079

        SHA1

        610f717ae3bc6fecfb04324a2c8dc01999156808

        SHA256

        6e040e9019e31789c1fd1e4431e82cc00a6b4daec29e298225373dee2a809d18

        SHA512

        0a85ce85b690f067351aab39aa567bb8853d8929142a1e93f4eeb7c6de74e32ff590598a2e3df174a500465dc029afb1956e76ace405b2c7d945763a8db94c8c

      • C:\Windows\SysWOW64\1237EE3.tmp

        Filesize

        11KB

        MD5

        931ba9e14fcbe21b5c8277659aa0f60a

        SHA1

        e14165f4d0c64ff347e86d1bbc1d0142d58f50e2

        SHA256

        cab7ea6cb10da50db2d603fdc4fe5bea698ad9e032781ac4b9f9e73311c5775c

        SHA512

        ce973f13efa94808b031d4def0514efd9684ee035a2b628d9299ac01d6ff60e6624d0a7f5f5d46a8c63720de129d6202edc8fc7918926fb88f1dc915fc1bc275

      • C:\Windows\SysWOW64\dllcache\iphlpapi.dll

        Filesize

        101KB

        MD5

        a90dc9abd65db1a8902f361103029952

        SHA1

        63e1e92df2f25c024565c3343233844b92d69469

        SHA256

        26798758976ce53251ac342b966be0363ae1794bd965c452f5debc33e18969f0

        SHA512

        462e5870ad942403d09941bc1e43f3db9103faf93ac972d9ff8f5fc46161a0adb1203b539760c2f122840f7ce931f5d59506fe7d5b28ef872db629cbf5768ccd

      • C:\Windows\SysWOW64\dllcache\rasadhlp.dll

        Filesize

        11KB

        MD5

        ed6ee83d61ebc683c2cd8e899ea6febe

        SHA1

        96c5ecd773981da65cc234a3d7f83f141bb6edb9

        SHA256

        f82592908d038c44d9f2e5c5b7bc663a2d370fc565f40420e1138a9e55f0e7eb

        SHA512

        7c6edb67fff4b64d935dd75d516a7fb5597fdba02b424103b8c0ea9f4c9f689e7436821d2cb65ded65d9bf5505cac91cc77ad8f8466b02823a347073ffd23f9e

      • \Users\Admin\AppData\Local\Temp\123.exe

        Filesize

        26KB

        MD5

        d98d61075c63fd210c7ae68867374f67

        SHA1

        657e54b5f25306e7191970d7f498c872d8737f40

        SHA256

        a48e6a66afdea26e5b5a6d0fadf7a1acb921dbc58c08b0001a3ca21b072e8a6d

        SHA512

        6f2588922c3f4507d29bb6c9b57de540643a23fec94db07476e0eed3aed25e100b821fbee9ea0590575298d417c158b57fcf8402862ecc4f9d61a70ec703f885

      • \Users\Admin\AppData\Local\Temp\123.exe

        Filesize

        26KB

        MD5

        d98d61075c63fd210c7ae68867374f67

        SHA1

        657e54b5f25306e7191970d7f498c872d8737f40

        SHA256

        a48e6a66afdea26e5b5a6d0fadf7a1acb921dbc58c08b0001a3ca21b072e8a6d

        SHA512

        6f2588922c3f4507d29bb6c9b57de540643a23fec94db07476e0eed3aed25e100b821fbee9ea0590575298d417c158b57fcf8402862ecc4f9d61a70ec703f885

      • \Users\Admin\AppData\Local\Temp\7383GameCenter_v3.28.exe

        Filesize

        14.8MB

        MD5

        e345699fb3c408badd9290b7071ab3be

        SHA1

        9a38eee55f7ba69371fc60b552e410db33c28584

        SHA256

        975858a08ba28afcb6a3b8cc7a51c08b0d8cbb042d82078b4e6bfe383c29ad0b

        SHA512

        db0952d521e2033b657c615b1adc327d97191f305800b31cc359c7a998fc723a5ff284f96b45984ea00062398b921f62597463c36ef179165ef905434ca02ea4

      • \Users\Admin\AppData\Local\Temp\is-93D8N.tmp\_isetup\_isdecmp.dll

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

      • \Users\Admin\AppData\Local\Temp\is-93D8N.tmp\_isetup\_shfoldr.dll

        Filesize

        22KB

        MD5

        92dc6ef532fbb4a5c3201469a5b5eb63

        SHA1

        3e89ff837147c16b4e41c30d6c796374e0b8e62c

        SHA256

        9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

        SHA512

        9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

      • \Users\Admin\AppData\Local\Temp\is-93D8N.tmp\_isetup\_shfoldr.dll

        Filesize

        22KB

        MD5

        92dc6ef532fbb4a5c3201469a5b5eb63

        SHA1

        3e89ff837147c16b4e41c30d6c796374e0b8e62c

        SHA256

        9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

        SHA512

        9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

      • \Users\Admin\AppData\Local\Temp\is-NL5K5.tmp\7383GameCenter_v3.28.tmp

        Filesize

        701KB

        MD5

        5ccf127dcef6c689d9de3e8fd68b76fd

        SHA1

        eef6a9b5f85f97a593bb6587850ec0e604c9fdb9

        SHA256

        9f41b29a9e70206c71ed62e3c77483ecaef0fb6415a8c8404054ec00e9ffac82

        SHA512

        b163b3858c80cc41a549ff1a90eddd491b864eddd86dd7daca712520af4f03b4e816bee96793ac5c2298930dd237446941a9bd42eb8565e553cd23997da945d3

      • \Users\Admin\AppData\Local\Temp\server.exe

        Filesize

        80KB

        MD5

        6a6fa84bbc2ee7b1ee5957a66c86904e

        SHA1

        25e9df4d983ab9a2b1561e500f083ac98ccf966b

        SHA256

        507e5243da2a8f45f641d0e23556f98601edc14506d1151e5c100d6b9d8a3db3

        SHA512

        9f6abaf2bf7dc784c57a61f18eac88c77345014e20bc41c54d68f54a5591a7e348e48f1cf452d96e6622bbadc6685d593ab26811b87821f684a62bce3bf6a2c8

      • \Users\Admin\AppData\Local\Temp\server.exe

        Filesize

        80KB

        MD5

        6a6fa84bbc2ee7b1ee5957a66c86904e

        SHA1

        25e9df4d983ab9a2b1561e500f083ac98ccf966b

        SHA256

        507e5243da2a8f45f641d0e23556f98601edc14506d1151e5c100d6b9d8a3db3

        SHA512

        9f6abaf2bf7dc784c57a61f18eac88c77345014e20bc41c54d68f54a5591a7e348e48f1cf452d96e6622bbadc6685d593ab26811b87821f684a62bce3bf6a2c8

      • memory/320-99-0x0000000000000000-mapping.dmp

      • memory/592-101-0x0000000000000000-mapping.dmp

      • memory/760-102-0x0000000000000000-mapping.dmp

      • memory/828-88-0x0000000000000000-mapping.dmp

      • memory/940-109-0x0000000000000000-mapping.dmp

      • memory/956-57-0x0000000000000000-mapping.dmp

      • memory/956-93-0x0000000073FC1000-0x0000000073FC3000-memory.dmp

        Filesize

        8KB

      • memory/956-94-0x0000000073E11000-0x0000000073E13000-memory.dmp

        Filesize

        8KB

      • memory/1028-54-0x0000000075021000-0x0000000075023000-memory.dmp

        Filesize

        8KB

      • memory/1212-78-0x0000000000000000-mapping.dmp

      • memory/1220-62-0x0000000000000000-mapping.dmp

      • memory/1220-79-0x0000000010000000-0x0000000010046000-memory.dmp

        Filesize

        280KB

      • memory/1220-76-0x0000000010000000-0x0000000010046000-memory.dmp

        Filesize

        280KB

      • memory/1220-87-0x0000000010000000-0x0000000010046000-memory.dmp

        Filesize

        280KB

      • memory/1340-90-0x0000000000000000-mapping.dmp

      • memory/1404-95-0x0000000000000000-mapping.dmp

      • memory/1580-92-0x0000000000000000-mapping.dmp

      • memory/1700-106-0x0000000000000000-mapping.dmp

      • memory/1808-86-0x0000000000000000-mapping.dmp

      • memory/1868-112-0x0000000000000000-mapping.dmp

      • memory/1936-98-0x0000000000000000-mapping.dmp

      • memory/1964-91-0x0000000000000000-mapping.dmp

      • memory/1992-73-0x0000000000000000-mapping.dmp

      • memory/2040-69-0x0000000000400000-0x0000000000417000-memory.dmp

        Filesize

        92KB

      • memory/2040-66-0x0000000000000000-mapping.dmp

      • memory/2040-84-0x0000000000400000-0x0000000000417000-memory.dmp

        Filesize

        92KB