Analysis

  • max time kernel
    35s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    23-05-2022 21:25

General

  • Target

    0131f55b79672dffbb530d686209174d956c787b8e4895741084664a777837cc.jar

  • Size

    1.1MB

  • MD5

    8b9550eae6cfbe4359a8dc4331038567

  • SHA1

    15bb1028665c9e5998629bd1d6c5b2ad63bdd740

  • SHA256

    0131f55b79672dffbb530d686209174d956c787b8e4895741084664a777837cc

  • SHA512

    a24f384d06202de61c33871d801c5993b9a3a9674b2ab81039e6c53aa8267565ebc93b4fbd5a3031f1a25d9e5be83006ae731840e808d26615e612708781d030

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\java.exe
    java -jar C:\Users\Admin\AppData\Local\Temp\0131f55b79672dffbb530d686209174d956c787b8e4895741084664a777837cc.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2044
    • C:\Windows\system32\wscript.exe
      wscript C:\Users\Admin\vtljjwvqbg.js
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:948
      • C:\Windows\System32\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\TLIolvyPBn.js"
        3⤵
          PID:1752
          • C:\Program Files\Java\jre7\bin\javaw.exe
            "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\tnsraay.txt"
            4⤵
              PID:572
              • C:\Program Files\Java\jre7\bin\javaw.exe
                "C:\Program Files\Java\jre7\bin\javaw" -jar "C:\Users\Admin\AppData\RoamingServer1648928050.jar"
                5⤵
                  PID:1648
              • C:\Windows\System32\WScript.exe
                "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\IyFfaseYOW.js"
                4⤵
                  PID:1064
                  • C:\Windows\System32\schtasks.exe
                    "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\IyFfaseYOW.js
                    5⤵
                    • Creates scheduled task(s)
                    PID:840
              • C:\Program Files\Java\jre7\bin\javaw.exe
                "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\rzdlfae.txt"
                3⤵
                  PID:1384
                  • C:\Program Files\Java\jre7\bin\java.exe
                    "C:\Program Files\Java\jre7\bin\java.exe" -jar C:\Users\Admin\AppData\Local\Temp\_0.18667712205219212864438996956018839.class
                    4⤵
                      PID:1628

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\_0.18667712205219212864438996956018839.class

                Filesize

                241KB

                MD5

                781fb531354d6f291f1ccab48da6d39f

                SHA1

                9ce4518ebcb5be6d1f0b5477fa00c26860fe9a68

                SHA256

                97d585b6aff62fb4e43e7e6a5f816dcd7a14be11a88b109a9ba9e8cd4c456eb9

                SHA512

                3e6630f5feb4a3eb1dac7e9125ce14b1a2a45d7415cf44cea42bc51b2a9aa37169ee4a4c36c888c8f2696e7d6e298e2ad7b2f4c22868aaa5948210eb7db220d8

              • C:\Users\Admin\AppData\RoamingServer1648928050.jar

                Filesize

                130KB

                MD5

                94744b9845e5f391cca7260098bbe1a2

                SHA1

                f297391b564b68d07739a1f9723e915777abc279

                SHA256

                171c05a83078824f27b9cb3ab2b152579edfefaea4c1dea5e690a5367c0e67d3

                SHA512

                d0d84b46cd586f3a020bf00ee2dedd8c33887337de6eac0c1936ad74c7b2c33343653d91067e4916a55def3d06b5b586cb5b1be38959963cad8c6632571b9168

              • C:\Users\Admin\AppData\Roaming\IyFfaseYOW.js

                Filesize

                18KB

                MD5

                9ad074e4b977d42b16bea24a940ffd32

                SHA1

                38b9ca30670d8dd3f6b25ebda0d7a8256642b379

                SHA256

                077d7fe9434715f0c9e979bc4b9d347a3d07a3cbec8be282dc0f9c2d0c52bba1

                SHA512

                6c2a7f01bb37776c68eab8f2535c0e9901f7c4f72af9a503d09b8fd6a909a30fd8632d183f472b8de26c0ce4c0eb736e0e16381be933b4c21e47614542cde2eb

              • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1083475884-596052423-1669053738-1000\83aa4cc77f591dfc2374580bbd95f6ba_206ac020-9434-4197-af4e-48c8ff9cae6c

                Filesize

                45B

                MD5

                c8366ae350e7019aefc9d1e6e6a498c6

                SHA1

                5731d8a3e6568a5f2dfbbc87e3db9637df280b61

                SHA256

                11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

                SHA512

                33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

              • C:\Users\Admin\AppData\Roaming\TLIolvyPBn.js

                Filesize

                439KB

                MD5

                053ed27b5bd479f8d0e4e76399c39430

                SHA1

                aee93c1e6bd9afc0989e6299f97f796bdc7515b5

                SHA256

                ff6bfd9ed665b99c77182b6c166d37114de00d8829975387653eff794303a1f1

                SHA512

                8e3abbb1e3f60c6c6cbb12aff489024266c8f7cd01dea11280c24549020d18a96ffc283b7ea6c5a0b0eb602876a9d633b820824bd66fa87122ad76e39060f560

              • C:\Users\Admin\AppData\Roaming\rzdlfae.txt

                Filesize

                473KB

                MD5

                635ebeaa68c4aeaae2a54ba5faf3f1b7

                SHA1

                265360f03bcc39b483985a8c3fe9e4877043e0b7

                SHA256

                70d13f75995405181c186017fff7830e7b3b6434392a2cec33fe8be6f9c989c0

                SHA512

                9606ad090416553d88a9e508ad4782855f6c97ec835909178c69ef2f3e6f49bbb88ca1bc4a8171f0fe0c9f8675ea6c61c2aa04437a77f7375b74b07ca2a36388

              • C:\Users\Admin\AppData\Roaming\tnsraay.txt

                Filesize

                146KB

                MD5

                37b1429e7e0671bd1a61e99dd86cff71

                SHA1

                5b5f0c6bf438775a6d9966013dead771138e03e6

                SHA256

                f5b8ca4d2d55cd0fbd08ac098fc5ebf2f588881976605c91b50433e4cf4c5ccb

                SHA512

                2b30b03922086e6da383fadfc2e2e1ee529eced47d9a1a3763948b22cd312dd65d56c60e01c97e8fd4e6eb9b82c6a02342868e3c4057809cac8adb95ed4069c7

              • C:\Users\Admin\vtljjwvqbg.js

                Filesize

                706KB

                MD5

                d8ec9df903d66ed5099ea20f386e9dea

                SHA1

                b3dda1d2ab4f0a7b8ff0c41e2471bf5108038d42

                SHA256

                2a66cc04585a9c86a270440e8645a69ece10e526b79772bc13995095ad3768a8

                SHA512

                0a16825df66ea0d0f7f78a7ee613252ce08a4f90913f72184a821ed8211d7eed2e1c47484141ac9278ebb0089bca79b57ff21cfb141b5d0a2a1dc58880a33290

              • memory/572-74-0x0000000000000000-mapping.dmp

              • memory/572-90-0x00000000022C0000-0x00000000052C0000-memory.dmp

                Filesize

                48.0MB

              • memory/840-115-0x0000000000000000-mapping.dmp

              • memory/948-65-0x0000000000000000-mapping.dmp

              • memory/1064-72-0x0000000000000000-mapping.dmp

              • memory/1384-94-0x00000000020F0000-0x00000000050F0000-memory.dmp

                Filesize

                48.0MB

              • memory/1384-71-0x0000000000000000-mapping.dmp

              • memory/1628-105-0x0000000000000000-mapping.dmp

              • memory/1628-130-0x0000000002020000-0x0000000005020000-memory.dmp

                Filesize

                48.0MB

              • memory/1648-99-0x0000000000000000-mapping.dmp

              • memory/1648-111-0x00000000020F0000-0x00000000050F0000-memory.dmp

                Filesize

                48.0MB

              • memory/1752-68-0x0000000000000000-mapping.dmp

              • memory/2044-54-0x000007FEFBFD1000-0x000007FEFBFD3000-memory.dmp

                Filesize

                8KB

              • memory/2044-64-0x0000000002290000-0x0000000005290000-memory.dmp

                Filesize

                48.0MB