Analysis

  • max time kernel
    152s
  • max time network
    73s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 09:46

General

  • Target

    5681f93f1dc53dfa98bac3d8ac6ffe65726b64401c45cfea0dde7d8a7cf5fc25.exe

  • Size

    12.9MB

  • MD5

    a93181bb75efe8ad296d3853f36ed19b

  • SHA1

    31da220231c677a097f9bc6b4740e67775b7b0f5

  • SHA256

    5681f93f1dc53dfa98bac3d8ac6ffe65726b64401c45cfea0dde7d8a7cf5fc25

  • SHA512

    6bdd6b8518d3325a3d6eb1ed3b529119e9d1c9c5ca8c6ae5655bcb9c5bd614dc94c7227fcde02e9babb25c18532e12f3d9846994ba62c46c0d068c310e8eaf6a

  • SSDEEP

    196608:UNDjo2ZJPJNHIhzGcHz3j8xwPpWrqUrmpvJIkbrQXho+CiFiSLvsJ4KCXyan5MUi:UZxyRv8xQpW+JERo+tXCdCLn+

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.

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 2 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5681f93f1dc53dfa98bac3d8ac6ffe65726b64401c45cfea0dde7d8a7cf5fc25.exe
    "C:\Users\Admin\AppData\Local\Temp\5681f93f1dc53dfa98bac3d8ac6ffe65726b64401c45cfea0dde7d8a7cf5fc25.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1220
    • C:\9783.exe
      "C:\9783.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1248
      • C:\9783GamePlaza_mini.exe
        "C:\9783GamePlaza_mini.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1140
        • C:\Users\Admin\AppData\Local\Temp\is-JRQT2.tmp\9783GamePlaza_mini.tmp
          "C:\Users\Admin\AppData\Local\Temp\is-JRQT2.tmp\9783GamePlaza_mini.tmp" /SL5="$80124,12695405,479744,C:\9783GamePlaza_mini.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1416
      • C:\server183.exe
        "C:\server183.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1740
        • C:\Windows\SysWOW64\net.exe
          net start "Task Scheduler"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1100
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start "Task Scheduler"
            5⤵
              PID:584
      • C:\333.exe
        "C:\333.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:576
        • C:\Users\Admin\AppData\Roaming\7089839.exe
          "C:\Users\Admin\AppData\Roaming\7089839.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1104
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c del C:\333.exe >> NUL
          3⤵
            PID:468

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\333.exe

        Filesize

        92KB

        MD5

        4c80969658efccec6d6e47f87d4c5aff

        SHA1

        643f839d60970392a4d11dd42492d5acc0a964c6

        SHA256

        4ea9d552d38cbefaa1a2287b52fd88154f614ffafd967f8b5ea138e749b2dd4f

        SHA512

        678e5747e38ad7de0fe74087a3d93c83d83dbe99569a87feccc5cb37950d33795170ec67a96dd749a3f61df9abe23cafd0d4dea5d12ceecef70b67e7d90249ce

      • C:\333.exe

        Filesize

        92KB

        MD5

        4c80969658efccec6d6e47f87d4c5aff

        SHA1

        643f839d60970392a4d11dd42492d5acc0a964c6

        SHA256

        4ea9d552d38cbefaa1a2287b52fd88154f614ffafd967f8b5ea138e749b2dd4f

        SHA512

        678e5747e38ad7de0fe74087a3d93c83d83dbe99569a87feccc5cb37950d33795170ec67a96dd749a3f61df9abe23cafd0d4dea5d12ceecef70b67e7d90249ce

      • C:\9783.exe

        Filesize

        12.7MB

        MD5

        bb7ba5229ed9f855c60c1fc1f7771ae1

        SHA1

        dfcec11f495c0fd08cd21c904041aac0b83021f0

        SHA256

        46aff69e14a3222091b50df5c43cd253854e301dc282c14662a0d3dffdf8cead

        SHA512

        64b1500fa984e505d3ec430d5945e33a30f222972bdb23ceaa23be0e32a611ffb2bf3503015aa579ed852e136bbc1d2195ae9ff879e1bca8bb3db7ccf8355181

      • C:\9783.exe

        Filesize

        12.7MB

        MD5

        bb7ba5229ed9f855c60c1fc1f7771ae1

        SHA1

        dfcec11f495c0fd08cd21c904041aac0b83021f0

        SHA256

        46aff69e14a3222091b50df5c43cd253854e301dc282c14662a0d3dffdf8cead

        SHA512

        64b1500fa984e505d3ec430d5945e33a30f222972bdb23ceaa23be0e32a611ffb2bf3503015aa579ed852e136bbc1d2195ae9ff879e1bca8bb3db7ccf8355181

      • C:\9783GamePlaza_mini.exe

        Filesize

        12.5MB

        MD5

        2607f97d0a5c0102d07a2cb429ffff6d

        SHA1

        f68cd52ba90abcec2898a791837dcaa9e5f49b96

        SHA256

        e1afd15cd2b2bdefdae4229205fa598422ba955cf35ed79f11287c700e54bb67

        SHA512

        81dd1789ab97753dacb7607fc221a3abc4cdd56233dbbbe7b0d4e169c3f71c51617592fadcc9082b346e745c0c5891b2a0eeb21c891698b10ff488eeca5ad087

      • C:\9783GamePlaza_mini.exe

        Filesize

        12.5MB

        MD5

        2607f97d0a5c0102d07a2cb429ffff6d

        SHA1

        f68cd52ba90abcec2898a791837dcaa9e5f49b96

        SHA256

        e1afd15cd2b2bdefdae4229205fa598422ba955cf35ed79f11287c700e54bb67

        SHA512

        81dd1789ab97753dacb7607fc221a3abc4cdd56233dbbbe7b0d4e169c3f71c51617592fadcc9082b346e745c0c5891b2a0eeb21c891698b10ff488eeca5ad087

      • C:\Users\Admin\AppData\Local\Temp\is-JRQT2.tmp\9783GamePlaza_mini.tmp

        Filesize

        1.1MB

        MD5

        938efec9194f3d3651cc95d8e25645fe

        SHA1

        eaf1d1c8654aa4f84a4a28604b5e5e86182acf55

        SHA256

        e90d22efde85ec9efff2b271776d388cd358a0848c61d542486fe23cd70f1a69

        SHA512

        c849f75c2068c9e0c43dd803a1309cadcd4926578ea4a1dc5b217bbf236582188b1970e5f939e503c6e43d11184656871ba8fc6f6352b2202b98f1c23ae69f4a

      • C:\Users\Admin\AppData\Local\Temp\is-JRQT2.tmp\9783GamePlaza_mini.tmp

        Filesize

        1.1MB

        MD5

        938efec9194f3d3651cc95d8e25645fe

        SHA1

        eaf1d1c8654aa4f84a4a28604b5e5e86182acf55

        SHA256

        e90d22efde85ec9efff2b271776d388cd358a0848c61d542486fe23cd70f1a69

        SHA512

        c849f75c2068c9e0c43dd803a1309cadcd4926578ea4a1dc5b217bbf236582188b1970e5f939e503c6e43d11184656871ba8fc6f6352b2202b98f1c23ae69f4a

      • C:\Users\Admin\AppData\Roaming\7089839.exe

        Filesize

        92KB

        MD5

        4c80969658efccec6d6e47f87d4c5aff

        SHA1

        643f839d60970392a4d11dd42492d5acc0a964c6

        SHA256

        4ea9d552d38cbefaa1a2287b52fd88154f614ffafd967f8b5ea138e749b2dd4f

        SHA512

        678e5747e38ad7de0fe74087a3d93c83d83dbe99569a87feccc5cb37950d33795170ec67a96dd749a3f61df9abe23cafd0d4dea5d12ceecef70b67e7d90249ce

      • C:\Users\Admin\AppData\Roaming\7089839.exe

        Filesize

        92KB

        MD5

        4c80969658efccec6d6e47f87d4c5aff

        SHA1

        643f839d60970392a4d11dd42492d5acc0a964c6

        SHA256

        4ea9d552d38cbefaa1a2287b52fd88154f614ffafd967f8b5ea138e749b2dd4f

        SHA512

        678e5747e38ad7de0fe74087a3d93c83d83dbe99569a87feccc5cb37950d33795170ec67a96dd749a3f61df9abe23cafd0d4dea5d12ceecef70b67e7d90249ce

      • C:\server183.exe

        Filesize

        80KB

        MD5

        b34ae33fd7559ac2cf2e8356fd8932ea

        SHA1

        6c8f38ec69a34b4a599ed83cba1eb230511080aa

        SHA256

        c30c4b235df3354f0bd9a062a64bd72e547b34667c1c5c16260078b2411755a3

        SHA512

        d57c6e791c86fc3a12979095358f21eb1b9acb9e5be93cc4c812f1d7e227224efd91a564d003117957497257e1fd2891e64951c94e772720ecccce4ff2fe5d4a

      • C:\server183.exe

        Filesize

        80KB

        MD5

        b34ae33fd7559ac2cf2e8356fd8932ea

        SHA1

        6c8f38ec69a34b4a599ed83cba1eb230511080aa

        SHA256

        c30c4b235df3354f0bd9a062a64bd72e547b34667c1c5c16260078b2411755a3

        SHA512

        d57c6e791c86fc3a12979095358f21eb1b9acb9e5be93cc4c812f1d7e227224efd91a564d003117957497257e1fd2891e64951c94e772720ecccce4ff2fe5d4a

      • \Users\Admin\AppData\Local\Temp\is-JRQT2.tmp\9783GamePlaza_mini.tmp

        Filesize

        1.1MB

        MD5

        938efec9194f3d3651cc95d8e25645fe

        SHA1

        eaf1d1c8654aa4f84a4a28604b5e5e86182acf55

        SHA256

        e90d22efde85ec9efff2b271776d388cd358a0848c61d542486fe23cd70f1a69

        SHA512

        c849f75c2068c9e0c43dd803a1309cadcd4926578ea4a1dc5b217bbf236582188b1970e5f939e503c6e43d11184656871ba8fc6f6352b2202b98f1c23ae69f4a

      • \Users\Admin\AppData\Local\Temp\is-TC998.tmp\_isetup\_isdecmp.dll

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

      • \Users\Admin\AppData\Local\Temp\is-TC998.tmp\_isetup\_shfoldr.dll

        Filesize

        22KB

        MD5

        92dc6ef532fbb4a5c3201469a5b5eb63

        SHA1

        3e89ff837147c16b4e41c30d6c796374e0b8e62c

        SHA256

        9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

        SHA512

        9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

      • \Users\Admin\AppData\Local\Temp\is-TC998.tmp\_isetup\_shfoldr.dll

        Filesize

        22KB

        MD5

        92dc6ef532fbb4a5c3201469a5b5eb63

        SHA1

        3e89ff837147c16b4e41c30d6c796374e0b8e62c

        SHA256

        9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

        SHA512

        9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

      • \Users\Admin\AppData\Roaming\7089839.exe

        Filesize

        92KB

        MD5

        4c80969658efccec6d6e47f87d4c5aff

        SHA1

        643f839d60970392a4d11dd42492d5acc0a964c6

        SHA256

        4ea9d552d38cbefaa1a2287b52fd88154f614ffafd967f8b5ea138e749b2dd4f

        SHA512

        678e5747e38ad7de0fe74087a3d93c83d83dbe99569a87feccc5cb37950d33795170ec67a96dd749a3f61df9abe23cafd0d4dea5d12ceecef70b67e7d90249ce

      • \Users\Admin\AppData\Roaming\7089839.exe

        Filesize

        92KB

        MD5

        4c80969658efccec6d6e47f87d4c5aff

        SHA1

        643f839d60970392a4d11dd42492d5acc0a964c6

        SHA256

        4ea9d552d38cbefaa1a2287b52fd88154f614ffafd967f8b5ea138e749b2dd4f

        SHA512

        678e5747e38ad7de0fe74087a3d93c83d83dbe99569a87feccc5cb37950d33795170ec67a96dd749a3f61df9abe23cafd0d4dea5d12ceecef70b67e7d90249ce

      • \Users\Admin\AppData\Roaming\7089839.exe

        Filesize

        92KB

        MD5

        4c80969658efccec6d6e47f87d4c5aff

        SHA1

        643f839d60970392a4d11dd42492d5acc0a964c6

        SHA256

        4ea9d552d38cbefaa1a2287b52fd88154f614ffafd967f8b5ea138e749b2dd4f

        SHA512

        678e5747e38ad7de0fe74087a3d93c83d83dbe99569a87feccc5cb37950d33795170ec67a96dd749a3f61df9abe23cafd0d4dea5d12ceecef70b67e7d90249ce

      • memory/468-70-0x0000000000000000-mapping.dmp

      • memory/576-58-0x0000000000000000-mapping.dmp

      • memory/584-97-0x0000000000000000-mapping.dmp

      • memory/1100-95-0x0000000000000000-mapping.dmp

      • memory/1104-64-0x0000000000000000-mapping.dmp

      • memory/1140-100-0x0000000000400000-0x000000000047C000-memory.dmp

        Filesize

        496KB

      • memory/1140-76-0x0000000000400000-0x000000000047C000-memory.dmp

        Filesize

        496KB

      • memory/1140-82-0x0000000000400000-0x000000000047C000-memory.dmp

        Filesize

        496KB

      • memory/1140-72-0x0000000000000000-mapping.dmp

      • memory/1220-54-0x0000000075811000-0x0000000075813000-memory.dmp

        Filesize

        8KB

      • memory/1248-55-0x0000000000000000-mapping.dmp

      • memory/1416-84-0x0000000000000000-mapping.dmp

      • memory/1740-90-0x0000000010000000-0x0000000010046000-memory.dmp

        Filesize

        280KB

      • memory/1740-88-0x0000000010000000-0x0000000010046000-memory.dmp

        Filesize

        280KB

      • memory/1740-99-0x0000000010000000-0x0000000010046000-memory.dmp

        Filesize

        280KB

      • memory/1740-78-0x0000000000000000-mapping.dmp