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Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/10/2022, 20:24

General

  • Target

    4f83c86f9521612aa230bb87e59006d4899512cd2eaae38be8b94a90f6fc6869.exe

  • Size

    59KB

  • MD5

    845269075993ee0aaf6974dc9bd7db18

  • SHA1

    1458b641bcb480d18175d12b851fef19445e443c

  • SHA256

    4f83c86f9521612aa230bb87e59006d4899512cd2eaae38be8b94a90f6fc6869

  • SHA512

    ce714f56593cef5011ab08cd9ba2ab3704b3b9c8faf1672a21b0815eec25efe1431497fe76bdfe97bccb2e215e517998a0f1cab3a4283046a559cb07f70a158e

  • SSDEEP

    1536:/UAjSLwWvAdgnMYd3SjdhayznOxkXrHgZpb+Pr7t5UnYru:/HjSvGsfipMtxmHgZpCUneu

Malware Config

Signatures

  • joker

    Joker is an Android malware that targets billing and SMS fraud.

  • Executes dropped EXE 1 IoCs
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 64 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Modifies registry class 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 59 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4f83c86f9521612aa230bb87e59006d4899512cd2eaae38be8b94a90f6fc6869.exe
    "C:\Users\Admin\AppData\Local\Temp\4f83c86f9521612aa230bb87e59006d4899512cd2eaae38be8b94a90f6fc6869.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2128
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\pauseguicite372.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1448
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Roaming\PPLive\1.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3424
        • C:\PROGRA~1\INTERN~1\iexplore.exe
          C:\PROGRA~1\INTERN~1\IEXPLORE.EXE http://WWw.cnkankan.com/?82133
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2292
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2292 CREDAT:17410 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4476
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\PPLive\1.inf
          4⤵
            PID:3504
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Roaming\PPLive\2.bat
            4⤵
            • Drops file in Program Files directory
            • Suspicious use of WriteProcessMemory
            PID:32
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKLM\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.82133.com/?o"" /f
              5⤵
              • Modifies Internet Explorer settings
              • Modifies Internet Explorer start page
              PID:3120
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.82133.com/?o"" /f
              5⤵
              • Modifies Internet Explorer settings
              • Modifies Internet Explorer start page
              PID:4892
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKCU\Software\tmp" /v "key" /d ""http://www.82133.com/?o"" /f
              5⤵
                PID:3380
              • C:\Windows\SysWOW64\reg.exe
                reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}" /v "IsShortCut" /d "" /f
                5⤵
                • Modifies registry class
                PID:3208
              • C:\Windows\SysWOW64\reg.exe
                reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}\Shell\open(&H)\Command" /v "" /d "wscript -e:vbs ""C:\Users\Admin\AppData\Roaming\PPLive\3.bat""" /f
                5⤵
                • Modifies registry class
                PID:2744
              • C:\Windows\SysWOW64\attrib.exe
                attrib +s +h C:\Users\Admin\AppData\Roaming\PPLive\tmp\a.{971C5380-92A0-5A69-B3EE-C3002B33309E}
                5⤵
                • Sets file to hidden
                • Views/modifies file attributes
                PID:2476
              • C:\Windows\SysWOW64\attrib.exe
                attrib +s +h C:\Users\Admin\AppData\Roaming\PPLive\tmp
                5⤵
                • Sets file to hidden
                • Views/modifies file attributes
                PID:1108
              • C:\Windows\SysWOW64\rundll32.exe
                rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\PPLive\2.inf
                5⤵
                • Adds Run key to start application
                • Suspicious use of WriteProcessMemory
                PID:1104
                • C:\Windows\SysWOW64\runonce.exe
                  "C:\Windows\system32\runonce.exe" -r
                  6⤵
                  • Checks processor information in registry
                  • Suspicious use of WriteProcessMemory
                  PID:5004
                  • C:\Windows\SysWOW64\grpconv.exe
                    "C:\Windows\System32\grpconv.exe" -o
                    7⤵
                      PID:4436
                • C:\Windows\SysWOW64\rundll32.exe
                  rundll32 D:\VolumeDH\inj.dat,MainLoad
                  5⤵
                    PID:1452
            • C:\Users\Admin\AppData\Local\Temp\inlB2D.tmp
              C:\Users\Admin\AppData\Local\Temp\inlB2D.tmp
              2⤵
              • Executes dropped EXE
              • Checks computer location settings
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:3748
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\inlB2D.tmp > nul
                3⤵
                  PID:2388
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\4F83C8~1.EXE > nul
                2⤵
                  PID:3992

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

                Filesize

                471B

                MD5

                a66314123c8c72372bcb8583a5400a95

                SHA1

                fc3e45060463c37775da0bd4a8920296d222753d

                SHA256

                657c92d95798fc5dad4272f3d6d71776737ac0bcdce4ac6864ca5532f2ccf34d

                SHA512

                d9f5c243b04d7b3fbbcb37c68c583db672390644500cfa4d58280048d9fde52c668fd67e84ecd6ace20b2813eefb756627adbd04a6f19719f6e907aa3fffe4f1

              • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

                Filesize

                434B

                MD5

                aa7334c8229d9b5ba7a0a60e3f1d123d

                SHA1

                44114bc4f4d2fa43c74956252d363c65614046c9

                SHA256

                4b8b8b33a3d9a44ff1dd7721b35212982d94315f0fbaac48ac74acc3abd38012

                SHA512

                8d19bdbab8c72219589c56f6aacaefacab083796cafa476bf58fe20d8a25df8c376798f3d1bcaecf760b5448bb947fa6adb931f3bf55fd4f3e6719c28b4e8e46

              • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\ckj4gk4\imagestore.dat

                Filesize

                1KB

                MD5

                13e5c62fa46dfdba5e5896d8ad625c74

                SHA1

                b2fa352a4f6cf42d271d0447f31799fa47f87fbc

                SHA256

                0ae19158a4330a0f62f5bd469cde9092811993d3d069a8c8d20685b79b5218d7

                SHA512

                fb0313c4534222a55f4d9f4ac9a0c0adbf91c7f5d0f02623b450045e777cb1105773d88eab2ca2b3d0dd9aefc3daf6818eedef05d1c723b81b00846f55650d08

              • C:\Users\Admin\AppData\Local\Temp\inlB2D.tmp

                Filesize

                57.2MB

                MD5

                9a52a922885246dd47b7bdb9cb857c49

                SHA1

                bad89e06bf1b7401f792fc97f63dc99c883160e7

                SHA256

                fc3059121f933808be07500635b2eff506a1590c85245b8c065ca5a8060fd2ab

                SHA512

                3fa1cdf8f14469c29d14dfd805f397dc6a05db2443afedf18dce167632867713d5949360e1159e81f71f4459b4ce82f7a3db20a474f866bf2c257c8209d5897a

              • C:\Users\Admin\AppData\Local\Temp\inlB2D.tmp

                Filesize

                57.2MB

                MD5

                9a52a922885246dd47b7bdb9cb857c49

                SHA1

                bad89e06bf1b7401f792fc97f63dc99c883160e7

                SHA256

                fc3059121f933808be07500635b2eff506a1590c85245b8c065ca5a8060fd2ab

                SHA512

                3fa1cdf8f14469c29d14dfd805f397dc6a05db2443afedf18dce167632867713d5949360e1159e81f71f4459b4ce82f7a3db20a474f866bf2c257c8209d5897a

              • C:\Users\Admin\AppData\Local\Temp\pauseguicite372.bat

                Filesize

                53B

                MD5

                23962a245f75fe25510051582203aff1

                SHA1

                20832a3a1179bb2730194d2f7738d41d5d669a43

                SHA256

                1abcea214b9b2bd76cc04be07ae2d4d70371e6ca443d99f4f1327afe7a5fc647

                SHA512

                dc36b64f2dbb710652900a31295c148760b0c44eae13515aa29613916c9dffe3d8e55ba61568f7c27b43bf0c341f7dcd4b9c721f81627fc6bb915b15c358fe80

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

                Filesize

                660B

                MD5

                c40ea8f677b3f48bfb7f4cfc6d3f03ab

                SHA1

                10b94afd8e6ea98a3c8a955304f9ce660b0c380a

                SHA256

                b1a31a74cc88d0f8e39aaebf58a724b89391dc3fbac733953790edf8ded8172c

                SHA512

                409b8a45576bf08e185446b13a512c115df7483ff8ec30ea51ee93ee1ac8153ae3b615650ff69a5d1e41fa0cd57fcdc4c5d03b4b4453431114ac018f48e194d9

              • C:\Users\Admin\AppData\Roaming\PPLive\1.bat

                Filesize

                3KB

                MD5

                b7c5e3b416b1d1b5541ef44662e1a764

                SHA1

                8bff7ea2be2f3cf29f2381d8007198b5991ca3ae

                SHA256

                f1a2f9fdebb3cac24756e53fa5e1628b2bd1cc130480c1878e3b3bc880575cd1

                SHA512

                65dbd6a7a7cf6fec00e6b0f1d7d5655769e6087ad09cad74c91c5a3395e675ac8f9df5c7185327e6f8dd03ddb60504400f54237d9e4b53c8b08e7e3d41ee61fc

              • C:\Users\Admin\AppData\Roaming\PPLive\1.inf

                Filesize

                492B

                MD5

                34c14b8530e1094e792527f7a474fe77

                SHA1

                f71c4e9091140256b34c18220d1dd1efab1f301d

                SHA256

                fe0dfb3458bfe2a3632d365e00765fa10f14d62e7dfa8b70a055c7eb9fdb6713

                SHA512

                25bb09b526e1e9f5c6052f1f7c36b37c956c1b5649936af8df3abfcf120c931f3d2603e17a061cb99d8c8074bfb1973a5423cce89762fca53cd46aeb3e8944a2

              • C:\Users\Admin\AppData\Roaming\PPLive\2.bat

                Filesize

                3KB

                MD5

                6b78cb8ced798ca5df5612dd62ce0965

                SHA1

                5a9c299393b96b0bf8f6770e3c7b0318a9e2e0cf

                SHA256

                81f64f42edfac2863a55db8fabd528c4eefc67f7e658cad6a57eeec862e444e3

                SHA512

                b387ba10021f3284d1406d520a2c8b3ba0c87922d67c79394c1aa50c631194519ac6bb5b898956533f040d48e1c7b202734e0075f8fc8c8bfab82c8ef359b28e

              • C:\Users\Admin\AppData\Roaming\PPLive\2.inf

                Filesize

                247B

                MD5

                ca436f6f187bc049f9271ecdcbf348fa

                SHA1

                bf8a548071cfc150f7affb802538edf03d281106

                SHA256

                6cdfa9b7f0e1e4ee16bc8ce5d7448d47ea8866c1f55f3e56be5c2a4d183ca534

                SHA512

                d19e20aabddad6b0284f8c1d473e9180f30b49d4d8b54f26e7c8630228e16b1f6ba04023c5e8b1993d8a10d97adcfff683b216f79b9981bf16181641aebdd591

              • C:\Users\Admin\AppData\Roaming\PPLive\4.bat

                Filesize

                5.8MB

                MD5

                1be4ec3e0cc37efb9ad65761f1fa4170

                SHA1

                3e2c6f8d192640f321f88e181ffc9704db8ddd40

                SHA256

                e7f2e3f19cc32eb63da65a48624e794a2cca8ad9fa18cc63d64f2bbe0560c74e

                SHA512

                3edbe41a54ec5cd6a99d49cc9c83fd75cfd130afdfaca767dea34c3bf962da87744b4e299c555b6c6de906af0ad0b4719b2cd023cec49b8da6c41ab2ca2db9fe

              • memory/2128-181-0x00000000001E0000-0x0000000000207000-memory.dmp

                Filesize

                156KB

              • memory/2128-135-0x00000000001E0000-0x0000000000207000-memory.dmp

                Filesize

                156KB

              • memory/2128-136-0x0000000000270000-0x0000000000273000-memory.dmp

                Filesize

                12KB

              • memory/2292-155-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-211-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-158-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-159-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-161-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-163-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-165-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-167-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-156-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-226-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-172-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-225-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-170-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-153-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-174-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-176-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-220-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-219-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-151-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-180-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-182-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-183-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-184-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-186-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-150-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-187-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-188-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-217-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-190-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-216-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-192-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-196-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-197-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-215-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-149-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-200-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-147-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-145-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-203-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-144-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-214-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-206-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-157-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB

              • memory/2292-213-0x00007FFCF1730000-0x00007FFCF179E000-memory.dmp

                Filesize

                440KB