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Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/02/2024, 01:59

General

  • Target

    8def85b4166e7d7f5ae48baf2de5577d.exe

  • Size

    57KB

  • MD5

    8def85b4166e7d7f5ae48baf2de5577d

  • SHA1

    8476859d6236e13902d4112590d1709126b4e430

  • SHA256

    f16775fe1de089b3bfbf6165289a8c52599906e6bf871dbf917dc980185d1ba6

  • SHA512

    1342b3f7669d6d466524753b7870c6f86cd64c9087768d5c47f6e427ff37dddf901e8b9a641614ecda7c00254d219c0ef09219bda75de26fd936c7c8af801cad

  • SSDEEP

    1536:ECM6Ys4njatv0ubeMFrQYRKz4ka5QGdKxo:ECsDWzeurQSKz4kauGdKo

Score
8/10

Malware Config

Signatures

  • 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.

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

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

  • 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 60 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\8def85b4166e7d7f5ae48baf2de5577d.exe
    "C:\Users\Admin\AppData\Local\Temp\8def85b4166e7d7f5ae48baf2de5577d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3156
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\julia_fun219.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1344
      • 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:4364
        • 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:4836
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4836 CREDAT:17410 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4992
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\PPLive\1.inf
          4⤵
            PID:3744
          • 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:3020
            • 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:2068
            • 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:2040
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKCU\Software\tmp" /v "key" /d ""http://www.82133.com/?o"" /f
              5⤵
                PID:2752
              • C:\Windows\SysWOW64\reg.exe
                reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}" /v "IsShortCut" /d "" /f
                5⤵
                • Modifies registry class
                PID:2472
              • 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:3936
              • C:\Windows\SysWOW64\rundll32.exe
                rundll32 D:\VolumeDH\inj.dat,MainLoad
                5⤵
                  PID:5104
                • 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:1576
                  • C:\Windows\SysWOW64\runonce.exe
                    "C:\Windows\system32\runonce.exe" -r
                    6⤵
                    • Checks processor information in registry
                    • Suspicious use of WriteProcessMemory
                    PID:4296
                    • C:\Windows\SysWOW64\grpconv.exe
                      "C:\Windows\System32\grpconv.exe" -o
                      7⤵
                        PID:1764
                  • 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:3448
                  • 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:1432
            • C:\Users\Admin\AppData\Local\Temp\inl9D8A.tmp
              C:\Users\Admin\AppData\Local\Temp\inl9D8A.tmp
              2⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:4120
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\inl9D8A.tmp > nul
                3⤵
                  PID:5096
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\8DEF85~1.EXE > nul
                2⤵
                  PID:2728

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

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

                Filesize

                471B

                MD5

                52bfc02b370f1b48b834ce1c58ad6560

                SHA1

                d3dbca3ed04caabf69ec8d525a83cde0919809cf

                SHA256

                fce02a7cb2ed194e21949d8a394e69f1dd30c4c517addc831018b8a0b7235a97

                SHA512

                5fb4c1b2d4173f5de1237e2fd55b9081b99756217d5d639da3e0e1bbe339d87be2e9b732ef783446bdedee2af8730e4bedb3184d58ba0bce0881ddc199495289

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

                Filesize

                404B

                MD5

                4820fe3bd3916730a1fd212371dbfccc

                SHA1

                4ba3331d743030cbb3800233ac73d57cf00a3910

                SHA256

                87b616d5b824c92abc753735ad3b385878dc804881119b647ac04ac91270ad20

                SHA512

                d685e3773c025e3562132b9da3587e705b0e12dc21c4f989ef4607708ffa1efa38b6e8aa96ec2e38e815173e84e7fab2d767a5e4d20f9167da66af5aa8b45838

              • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\9owjsyb\imagestore.dat

                Filesize

                1KB

                MD5

                ac56e968e6ec13958db810c26b6761a4

                SHA1

                006f7a12a20233592fd8013038ccb9db2b76c1da

                SHA256

                496f314894cf6dbd801c85aa126c99d47b60b3baa7b9181c875ece85b9022863

                SHA512

                410dadc566bc83e8697d167b2526116367c5bd51a8cc1ff919338a1f0ea871cd3a2a47e86b34556e46c91afea8d63b36837d667c41a9007c2c5f2d60788b2462

              • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\1RIAF1U2\suggestions[1].en-US

                Filesize

                17KB

                MD5

                5a34cb996293fde2cb7a4ac89587393a

                SHA1

                3c96c993500690d1a77873cd62bc639b3a10653f

                SHA256

                c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

                SHA512

                e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

              • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\SB302YPZ\favicon[1].ico

                Filesize

                1KB

                MD5

                7ef1f0a0093460fe46bb691578c07c95

                SHA1

                2da3ffbbf4737ce4dae9488359de34034d1ebfbd

                SHA256

                4c62eef22174220b8655590a77b27957f3518b4c3b7352d0b64263b80e728f2c

                SHA512

                68da2c2f6f7a88ae364a4cf776d2c42e50150501ccf9b740a2247885fb21d1becbe9ee0ba61e965dd21d8ee01be2b364a29a7f9032fc6b5cdfb28cc6b42f4793

              • C:\Users\Admin\AppData\Local\Temp\inl9D8A.tmp

                Filesize

                6.0MB

                MD5

                647f11c5148f6a6076c9154472fbaff0

                SHA1

                90f700a705e99021e74b9ce41fbf6cf73913a9b9

                SHA256

                8987f12873d07b2d1a1edec9889f6d6cb4b29a4a815896670b3651e8e33cedbc

                SHA512

                a099d5a908ef53761b4200bc0a1828841b411f0f15e79a5d6906818912dd7db77c264ceb7019b57f07818386882c1e1d30acd8a2911da7d91ab53f24f2bb5e3b

              • C:\Users\Admin\AppData\Local\Temp\inl9D8A.tmp

                Filesize

                12.5MB

                MD5

                e10ea7770486752ad13f7e9b3f04f1ac

                SHA1

                3ce0a9b4e87abd6999f47528162818ded3ebaef8

                SHA256

                ed9c85ebf513e288a42fa51417507b1cbadb557de1831a94e38364bf4a8de227

                SHA512

                6a5b42dc7a99ff021d450262fb761a4e3324985207a85d6065f459e11879dadec1dd0ce8b6267787806af55cdf2a843b6ff5e2e77f945a46bbe38ad0e47ba75d

              • C:\Users\Admin\AppData\Local\Temp\julia_fun219.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

                5.4MB

                MD5

                2da6f9785daae9c7021503ee78422606

                SHA1

                57ebca6e81a5b7c8d8e058396ae8688e6a1c0f8b

                SHA256

                483c0ef4ed83af87b233992de00f87e43ac8a77b05556102da64addd7754da34

                SHA512

                43c61ade5b00a2e871e127c6a09cea240e1bfaa93de123d172833bfe0908deed8aa02f546e8a0a48b4aef271549614775cc0f784385189f9ae9b7075c4926707

              • memory/3156-7-0x00000000003D0000-0x00000000003F7000-memory.dmp

                Filesize

                156KB

              • memory/3156-117-0x00000000003D0000-0x00000000003F7000-memory.dmp

                Filesize

                156KB

              • memory/3156-113-0x0000000000E20000-0x0000000000E23000-memory.dmp

                Filesize

                12KB

              • memory/3156-1-0x0000000000E20000-0x0000000000E23000-memory.dmp

                Filesize

                12KB

              • memory/3156-0-0x00000000003D0000-0x00000000003F7000-memory.dmp

                Filesize

                156KB

              • memory/4836-100-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-116-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-83-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-85-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-87-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-89-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-88-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-90-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-80-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-92-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-98-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-97-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-99-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-78-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-101-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-102-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-103-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-104-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-75-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-76-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-110-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-74-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-73-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-81-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-115-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-72-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-126-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-127-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-118-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-133-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-135-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-136-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-137-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-141-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-139-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-138-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-171-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-172-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-173-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-176-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-175-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-71-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-69-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-68-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-66-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB

              • memory/4836-53-0x00007FFEC3790000-0x00007FFEC37FE000-memory.dmp

                Filesize

                440KB