Analysis

  • max time kernel
    142s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    20-01-2021 16:26

General

  • Target

    jojojo.exe

  • Size

    34KB

  • MD5

    5bb718a52c52383cea5361519559b683

  • SHA1

    54298a1c380568d1d76b103fa267ded82d6a778a

  • SHA256

    43ae34f089374f6293998924525d9e8516c59bf2cd8150a7c01d6c565c85aa10

  • SHA512

    36ad2bbb7315f4290844cb433c081265815b69553c2fd025615e989bbf3214f16d0686e100f701db7c827d9c43f0d21f41da9b3d5648ec423b14b35ecc7d9781

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • Windows security bypass 2 TTPs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
  • Looks for VMWare Tools registry key 2 TTPs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Drops startup file 2 IoCs
  • Windows security modification 2 TTPs 9 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 13 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 61 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jojojo.exe
    "C:\Users\Admin\AppData\Local\Temp\jojojo.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Drops startup file
    • Windows security modification
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1072
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\jojojo.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:844
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\jojojo.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:920
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\jojojo.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1944
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\jojojo.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:272
    • C:\Users\Admin\AppData\Local\Temp\jojojo.exe
      "C:\Users\Admin\AppData\Local\Temp\jojojo.exe"
      2⤵
        PID:976
      • C:\Users\Admin\AppData\Local\Temp\jojojo.exe
        "C:\Users\Admin\AppData\Local\Temp\jojojo.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1928
      • C:\Users\Admin\AppData\Local\Temp\jojojo.exe
        "C:\Users\Admin\AppData\Local\Temp\jojojo.exe"
        2⤵
          PID:1228
        • C:\Users\Admin\AppData\Local\Temp\jojojo.exe
          "C:\Users\Admin\AppData\Local\Temp\jojojo.exe"
          2⤵
            PID:820
          • C:\Users\Admin\AppData\Local\Temp\jojojo.exe
            "C:\Users\Admin\AppData\Local\Temp\jojojo.exe"
            2⤵
              PID:1640

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_2502ea67-0cf9-42c1-806b-b03d63ae0fe6
            MD5

            d89968acfbd0cd60b51df04860d99896

            SHA1

            b3c29916ccb81ce98f95bbf3aa8a73de16298b29

            SHA256

            1020cc7c929cd5a4e68ccb40353ca76f427df363f0d95e456eb79db039bdb2b9

            SHA512

            b0e886cce598371b59131fed1535e220c798691bad93ef9474ba440066f5a6bd77a60966604b7a5ff6298b2e200c9dd0c8f9f04aff208b2af423480ead4e8842

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_35cd83ad-9a16-498e-bd8f-d10355aa0b55
            MD5

            a70ee38af4bb2b5ed3eeb7cbd1a12fa3

            SHA1

            81dbaeae4b0f9e1adc0a1e3d6d76a12396498ba9

            SHA256

            dd2f41f92f19c3fe031bdf5da68ab06768e26762d0077b290cd0094df1d5d58d

            SHA512

            8c69a5300c7545c5c4b25a0594e6813b6b7a85b5f3ae7fc5464b4074fe6f50b2f49d31cacf19bc20a02bb8e237656f1b9b2a3f6a3953e3a8478ca2adc154e0e3

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_3bf4f350-86fe-486e-8b87-41ab96d0ad9c
            MD5

            b6d38f250ccc9003dd70efd3b778117f

            SHA1

            d5a17c02cac698d4f0a4a9b7d71db2aa19e3f18a

            SHA256

            4de9d7b5ccab7b67ca8efc83084c7ee6e5e872b7216ed4683bc5da950bf41265

            SHA512

            67d8195836b7f280d3f9219fd0f58276342e55d5dfdd8a4c54355030d96685d73f1b2b6da0eb39322ec7c3a1d1c5ef06b52d22646cea30a96f822de1800d31e9

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_4408bb97-19ee-4815-b02c-5a0939dddad8
            MD5

            df44874327d79bd75e4264cb8dc01811

            SHA1

            1396b06debed65ea93c24998d244edebd3c0209d

            SHA256

            55de642c5c9e436ec01c57004dae797022442c3245daf7162d19a5585f221181

            SHA512

            95dc9298b8db059bbe746f67e6a7f8515781c7053cc60c01532e47623a996be7e1bd23d1bd8f5f2045adff27454f44930d503c15b695690088841cedbd2a06c3

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_644b5728-e9b5-45ab-9104-7136ec814422
            MD5

            be4d72095faf84233ac17b94744f7084

            SHA1

            cc78ce5b9c57573bd214a8f423ee622b00ebb1ec

            SHA256

            b0d72c5c22e57913476ac8fc686a4593f137c6667d5094522c0a0685dabd7adc

            SHA512

            43856e9b1032b8690ceea810c931bed3655e9190414bb220fb6afc136f31b8335e07604dffb28405d4006f266a54cff424c527d29924b1b732c9647a3252b097

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_6532a425-51ae-4577-837f-c6e09d9fcfcf
            MD5

            75a8da7754349b38d64c87c938545b1b

            SHA1

            5c28c257d51f1c1587e29164cc03ea880c21b417

            SHA256

            bf08151c174b5d00c9dbc7907b2c6a01b4be76bfa3afce1e8bd98a04ad833c96

            SHA512

            798797bc74c56c874e9a5fdcb0157c04e37a1b3cce285ef064b01bceef8cec45f11a5198918c6c647220b62883606b5e12e3cca3ea369f3a66e69dea6e15f643

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_69670b6c-d49a-42a9-993a-10d18807f7c6
            MD5

            5e3c7184a75d42dda1a83606a45001d8

            SHA1

            94ca15637721d88f30eb4b6220b805c5be0360ed

            SHA256

            8278033a65d1ff48be4d86e11f87930d187692f59f8bf2f0a9d170de285afb59

            SHA512

            fae99b6e9b106e0f1c30aa4082b25ae1ad643455c1295c2c16ad534e3e611b9b08492353ffe1af1cfdddc9b2b7c330747a64012c45e62b8f4a4982dcc214e05b

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_70df958b-cf5a-4f76-bc77-c1e6be166189
            MD5

            354b8209f647a42e2ce36d8cf326cc92

            SHA1

            98c3117f797df69935f8b09fc9e95accfe3d8346

            SHA256

            feae405d288fdd38438f9d9b54f791f3ce3805f1bb88780da5aca402ad372239

            SHA512

            420be869b58e9a7a2c31f2550ac269df832935692a6431d455a10d9b426781e79d91e30ace2c465633b8a7ff2be1bf49734d8b99a390090dc4b36411d4391ff0

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_7f45a795-9723-4ae3-b7ea-79ea7f92b87a
            MD5

            a725bb9fafcf91f3c6b7861a2bde6db2

            SHA1

            8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

            SHA256

            51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

            SHA512

            1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_7f45a795-9723-4ae3-b7ea-79ea7f92b87a
            MD5

            a725bb9fafcf91f3c6b7861a2bde6db2

            SHA1

            8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

            SHA256

            51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

            SHA512

            1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_7f45a795-9723-4ae3-b7ea-79ea7f92b87a
            MD5

            a725bb9fafcf91f3c6b7861a2bde6db2

            SHA1

            8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

            SHA256

            51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

            SHA512

            1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_8a856572-d25d-4b4e-b43e-72f0fe9b799c
            MD5

            7f79b990cb5ed648f9e583fe35527aa7

            SHA1

            71b177b48c8bd745ef02c2affad79ca222da7c33

            SHA256

            080ec69d3f2abac629a0bdc314f150ad42a9a1b0a031b1d5c7b5b80051c48683

            SHA512

            20926edf7f0b990da4bd8d7ba91bd8bf7b952b75080f687afa7197a91777604688303d38b4a0a7240b558c23f2e0cd927d3590765109f8be0551f5eb050eafda

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_aacd219d-c7ba-43ff-a67c-9ddc2f632d63
            MD5

            597009ea0430a463753e0f5b1d1a249e

            SHA1

            4e38b8bb65ecbd5c9f0d3d8c47f7caba33de6c62

            SHA256

            3fd2a8217a845c43dbc0dc206c28be81d2687aa9ba62019d905aef10cfaec45d

            SHA512

            5d722fa908e64575b2497c60d142e182011a10c6ed33813b3b4796b3147ece1bc96938518b4c8911a1bac3b7560528ebe3e8e754c11015516d335df5d7c6871d

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_e9f9468a-8cbd-4472-b808-e8b3772f4134
            MD5

            02ff38ac870de39782aeee04d7b48231

            SHA1

            0390d39fa216c9b0ecdb38238304e518fb2b5095

            SHA256

            fbd66a9baf753db31b8de23f2d51b67f8676687503653103080c45b16f1dc876

            SHA512

            24a1ff76ee42ff7a5ea42843928c4df07b06178f7781cd840e1e086e88735d81506eb67259ff1e6ce5aaa7c5baea03886da265eb7e025ff4dc4c4b5f8cd3e341

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
            MD5

            cf35ceace1bc33a95ff0e576983afc45

            SHA1

            0943e9d1d675e3cdcdf5c89afe505a823a1eaab3

            SHA256

            33e918990826c271ef4bc6e3f9ebcc443c72eaee20c5f022d8941ae8384676bd

            SHA512

            c44150e8a8c536d5212d9a8ef5656fbeade947fffc53d521d2e5ea9c89795ef4835f46251b467fbb820474ea2861ee114e00ba43d520b87bef413775f68a9726

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
            MD5

            cf35ceace1bc33a95ff0e576983afc45

            SHA1

            0943e9d1d675e3cdcdf5c89afe505a823a1eaab3

            SHA256

            33e918990826c271ef4bc6e3f9ebcc443c72eaee20c5f022d8941ae8384676bd

            SHA512

            c44150e8a8c536d5212d9a8ef5656fbeade947fffc53d521d2e5ea9c89795ef4835f46251b467fbb820474ea2861ee114e00ba43d520b87bef413775f68a9726

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
            MD5

            4339182b828ef2a3bfe37f95b050a648

            SHA1

            1ded4e0cfeb34bb3ff9049c02f0c3a729fdef4db

            SHA256

            bfb1122099092dbba75ef21470c284e96e03efe51e90edd7ac9f3e5c0d84c0e7

            SHA512

            08759e9974d5f70e1992a1792796e6240f105880d92858147e4fc0fa653c97a0b5e2166c077d7bbb61ef5a80cab99fc592683be3125a2e49586656c4da8d4d76

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
            MD5

            c7027b2f93fb827b1ea47c6b58406808

            SHA1

            5c89646486e578d00277a5266669c7b37428b90b

            SHA256

            a715e8f24d84645f08e7f1a6e08c25c1d299086dc6c5c14868ef59c633641345

            SHA512

            88fdc618383547e9cad892b59a3c937017f849d4240f162892fc3b554059587b57560a9d0f74201e5b4bd1907354b50e2ce55cda98b5d61a770cf08668c9c773

          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
            MD5

            633e42897953caa41b034a7a4d455c57

            SHA1

            e8ff5fc48c1d179fecb406f44f7d0ff34c3688bf

            SHA256

            a88dbedf2908140cdc5adf7b0a9c5435c1ba6094c8bda0e2b68564308b505306

            SHA512

            d148c5198e140776b8ab06d7afa70a3dd7732755270f3102312a7fa4ca663da11429c5b1d5ccf1a1894ec47f601a5a88cf43433f6101e91667a032e483fd1b3f

          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
            MD5

            633e42897953caa41b034a7a4d455c57

            SHA1

            e8ff5fc48c1d179fecb406f44f7d0ff34c3688bf

            SHA256

            a88dbedf2908140cdc5adf7b0a9c5435c1ba6094c8bda0e2b68564308b505306

            SHA512

            d148c5198e140776b8ab06d7afa70a3dd7732755270f3102312a7fa4ca663da11429c5b1d5ccf1a1894ec47f601a5a88cf43433f6101e91667a032e483fd1b3f

          • memory/272-110-0x0000000006700000-0x0000000006701000-memory.dmp
            Filesize

            4KB

          • memory/272-51-0x0000000004B30000-0x0000000004B31000-memory.dmp
            Filesize

            4KB

          • memory/272-80-0x0000000006220000-0x0000000006221000-memory.dmp
            Filesize

            4KB

          • memory/272-95-0x00000000063F0000-0x00000000063F1000-memory.dmp
            Filesize

            4KB

          • memory/272-79-0x00000000061C0000-0x00000000061C1000-memory.dmp
            Filesize

            4KB

          • memory/272-74-0x0000000005790000-0x0000000005791000-memory.dmp
            Filesize

            4KB

          • memory/272-87-0x000000007EF30000-0x000000007EF31000-memory.dmp
            Filesize

            4KB

          • memory/272-68-0x0000000004B10000-0x0000000004B11000-memory.dmp
            Filesize

            4KB

          • memory/272-24-0x0000000074230000-0x000000007491E000-memory.dmp
            Filesize

            6.9MB

          • memory/272-54-0x0000000004B32000-0x0000000004B33000-memory.dmp
            Filesize

            4KB

          • memory/272-88-0x00000000063C0000-0x00000000063C1000-memory.dmp
            Filesize

            4KB

          • memory/272-12-0x0000000000000000-mapping.dmp
          • memory/272-111-0x0000000006710000-0x0000000006711000-memory.dmp
            Filesize

            4KB

          • memory/820-66-0x00000000005C0000-0x00000000005C1000-memory.dmp
            Filesize

            4KB

          • memory/820-50-0x000000000043748E-mapping.dmp
          • memory/820-53-0x0000000074230000-0x000000007491E000-memory.dmp
            Filesize

            6.9MB

          • memory/844-7-0x0000000000000000-mapping.dmp
          • memory/844-9-0x0000000075251000-0x0000000075253000-memory.dmp
            Filesize

            8KB

          • memory/844-18-0x0000000074230000-0x000000007491E000-memory.dmp
            Filesize

            6.9MB

          • memory/844-47-0x0000000004952000-0x0000000004953000-memory.dmp
            Filesize

            4KB

          • memory/844-41-0x0000000004950000-0x0000000004951000-memory.dmp
            Filesize

            4KB

          • memory/920-8-0x0000000000000000-mapping.dmp
          • memory/920-46-0x0000000004812000-0x0000000004813000-memory.dmp
            Filesize

            4KB

          • memory/920-43-0x0000000004810000-0x0000000004811000-memory.dmp
            Filesize

            4KB

          • memory/920-16-0x0000000074230000-0x000000007491E000-memory.dmp
            Filesize

            6.9MB

          • memory/920-61-0x00000000010F0000-0x00000000010F1000-memory.dmp
            Filesize

            4KB

          • memory/920-20-0x0000000000970000-0x0000000000971000-memory.dmp
            Filesize

            4KB

          • memory/920-23-0x0000000004850000-0x0000000004851000-memory.dmp
            Filesize

            4KB

          • memory/976-28-0x0000000000400000-0x000000000043C000-memory.dmp
            Filesize

            240KB

          • memory/976-33-0x0000000074230000-0x000000007491E000-memory.dmp
            Filesize

            6.9MB

          • memory/976-36-0x0000000000400000-0x000000000043C000-memory.dmp
            Filesize

            240KB

          • memory/976-30-0x000000000043748E-mapping.dmp
          • memory/1072-5-0x0000000004AB0000-0x0000000004AB1000-memory.dmp
            Filesize

            4KB

          • memory/1072-2-0x0000000074230000-0x000000007491E000-memory.dmp
            Filesize

            6.9MB

          • memory/1072-3-0x00000000000D0000-0x00000000000D1000-memory.dmp
            Filesize

            4KB

          • memory/1072-6-0x0000000004C30000-0x0000000004C94000-memory.dmp
            Filesize

            400KB

          • memory/1072-49-0x0000000004BB0000-0x0000000004BB1000-memory.dmp
            Filesize

            4KB

          • memory/1228-67-0x0000000004CB0000-0x0000000004CB1000-memory.dmp
            Filesize

            4KB

          • memory/1228-42-0x0000000074230000-0x000000007491E000-memory.dmp
            Filesize

            6.9MB

          • memory/1228-38-0x000000000043748E-mapping.dmp
          • memory/1640-55-0x000000000043748E-mapping.dmp
          • memory/1640-58-0x0000000074230000-0x000000007491E000-memory.dmp
            Filesize

            6.9MB

          • memory/1928-32-0x000000000043748E-mapping.dmp
          • memory/1928-34-0x0000000074230000-0x000000007491E000-memory.dmp
            Filesize

            6.9MB

          • memory/1928-62-0x0000000004950000-0x0000000004951000-memory.dmp
            Filesize

            4KB

          • memory/1944-48-0x0000000000F12000-0x0000000000F13000-memory.dmp
            Filesize

            4KB

          • memory/1944-10-0x0000000000000000-mapping.dmp
          • memory/1944-17-0x0000000074230000-0x000000007491E000-memory.dmp
            Filesize

            6.9MB

          • memory/1944-44-0x0000000000F10000-0x0000000000F11000-memory.dmp
            Filesize

            4KB