Resubmissions

01/03/2024, 18:17

240301-wxjywsbb2z3

01/03/2024, 18:11

240301-wsn22sbc9910

Analysis

  • max time kernel
    148s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/03/2024, 18:11

General

  • Target
    WannaCry-main/WannaCry.exe
  • Size 3.4MB
  • Sample240301-wsn22sbc99
  • SHA256 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • wannacry

Ransom Note
  • Q: What's wrong with my files? A: Ooops, your important files are encrypted. It means you will not be able to access them anymore until they are decrypted. If you follow our instructions, we guarantee that you can decrypt all your files quickly and safely! Let's start decrypting! Q: What do I do? A: First, you need to pay service fees for the decryption. Please send $300 worth of bitcoin to this bitcoin address: 13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94 Next, please find an application file named "@[email protected]". It is the decrypt software. Run and follow the instructions! (You may need to disable your antivirus for a while.) Q: How can I trust? A: Don't worry about decryption. We will decrypt your files surely because nobody will trust us if we cheat users. * If you need our assistance, send a message by clicking <Contact Us> on the decryptor window. �
Wallets
  • 13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 14 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\WannaCry-main\WannaCry.exe
    "C:\Users\Admin\AppData\Local\Temp\WannaCry-main\WannaCry.exe"
    1⤵
    • Drops startup file
    • Sets desktop wallpaper using registry
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Windows\SysWOW64\attrib.exe
      attrib +h .
      2⤵
      • Views/modifies file attributes
      PID:5364
    • C:\Windows\SysWOW64\icacls.exe
      icacls . /grant Everyone:F /T /C /Q
      2⤵
      • Modifies file permissions
      PID:5336
    • C:\Users\Admin\AppData\Local\Temp\WannaCry-main\taskdl.exe
      taskdl.exe
      2⤵
      • Executes dropped EXE
      PID:4020
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c 32651709316701.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3468
      • C:\Windows\SysWOW64\cscript.exe
        cscript.exe //nologo m.vbs
        3⤵
          PID:5292
      • C:\Windows\SysWOW64\attrib.exe
        attrib +h +s F:\$RECYCLE
        2⤵
        • Views/modifies file attributes
        PID:5080
      • C:\Users\Admin\AppData\Local\Temp\WannaCry-main\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:5948
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c start /b @[email protected] vs
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1108
      • C:\Users\Admin\AppData\Local\Temp\WannaCry-main\taskse.exe
        taskse.exe C:\Users\Admin\AppData\Local\Temp\WannaCry-main\@[email protected]
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:4448
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "ipfnigovuw360" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Temp\WannaCry-main\tasksche.exe\"" /f
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2600
        • C:\Windows\SysWOW64\reg.exe
          reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "ipfnigovuw360" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Temp\WannaCry-main\tasksche.exe\"" /f
          3⤵
          • Adds Run key to start application
          • Modifies registry key
          PID:1480
      • C:\Users\Admin\AppData\Local\Temp\WannaCry-main\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:820
      • C:\Users\Admin\AppData\Local\Temp\WannaCry-main\taskse.exe
        taskse.exe C:\Users\Admin\AppData\Local\Temp\WannaCry-main\@[email protected]
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:3056
      • C:\Users\Admin\AppData\Local\Temp\WannaCry-main\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:4640
      • C:\Users\Admin\AppData\Local\Temp\WannaCry-main\taskse.exe
        taskse.exe C:\Users\Admin\AppData\Local\Temp\WannaCry-main\@[email protected]
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:5416
      • C:\Users\Admin\AppData\Local\Temp\WannaCry-main\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:4836
    • C:\Users\Admin\Desktop\@[email protected]
      "C:\Users\Admin\Desktop\@[email protected]"
      1⤵
      • Executes dropped EXE
      • Sets desktop wallpaper using registry
      • Suspicious use of SetWindowsHookEx
      PID:2180
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3100 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:5920

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            1.WNCRYT

            • Path C:\Users\Admin\AppData\Local\Temp\1.WNCRYT
            • Size 318KB
            • SHA256 2dde833b828cfe664040913cf7af37f574971a2d34300a8d6b305296d3d7c8ac
            • MD5 SHA1 SHA512 SSDEEP

            10.WNCRYT

            • Path C:\Users\Admin\AppData\Local\Temp\10.WNCRYT
            • Size 154KB
            • SHA256 b792fb78bad9527d3afcdc752be163521ec2a4365b444f8b8c0b9fffafa06c65
            • MD5 SHA1 SHA512 SSDEEP

            11.WNCRYT

            • Path C:\Users\Admin\AppData\Local\Temp\11.WNCRYT
            • Size 254KB
            • SHA256 1c88e1f64d9d0dca520d43a5474d7f046efec36cec0723c6f01416ba4617a2e8
            • MD5 SHA1 SHA512 SSDEEP

            12.WNCRYT

            • Path C:\Users\Admin\AppData\Local\Temp\12.WNCRYT
            • Size 145KB
            • SHA256 dee8c8d224dd016e463d57fba42c950ce9ac8dd2235fb2eda61cd32e792cdd61
            • MD5 SHA1 SHA512 SSDEEP

            13.WNCRYT

            • Path C:\Users\Admin\AppData\Local\Temp\13.WNCRYT
            • Size 272KB
            • SHA256 3c451f2f9f82d7b32b50b61d19f31f001f8565c10315504feefe531e7dc9799a
            • MD5 SHA1 SHA512 SSDEEP

            14.WNCRYT

            • Path C:\Users\Admin\AppData\Local\Temp\14.WNCRYT
            • Size 11KB
            • SHA256 1478e1c252393bf76ef76a09c657b487be997059fc14f99f0ade986ba32c900d
            • MD5 SHA1 SHA512 SSDEEP

            15.WNCRYT

            • Path C:\Users\Admin\AppData\Local\Temp\15.WNCRYT
            • Size 916KB
            • SHA256 d2d589febfd7fa0599a072854c916bb3d8a6801d12f02736909ab771211c9918
            • MD5 SHA1 SHA512 SSDEEP

            16.WNCRYT

            • Path C:\Users\Admin\AppData\Local\Temp\16.WNCRYT
            • Size 525KB
            • SHA256 0021e5b6bb1d1e971a087257ae366da38c03400444bb17764da9de4e2abb8141
            • MD5 SHA1 SHA512 SSDEEP

            17.WNCRYT

            • Path C:\Users\Admin\AppData\Local\Temp\17.WNCRYT
            • Size 11KB
            • SHA256 ce01a5b5b5eecd05d1e29f966868001f9ef109183643b9c8ce1998aa926983b2
            • MD5 SHA1 SHA512 SSDEEP

            18.WNCRYT

            • Path C:\Users\Admin\AppData\Local\Temp\18.WNCRYT
            • Size 819KB
            • SHA256 1ab7586e52472ce8bcade578984b8c2e0dc8edf17f1fd2d32536d5dcf65b645e
            • MD5 SHA1 SHA512 SSDEEP

            19.WNCRYT

            • Path C:\Users\Admin\AppData\Local\Temp\19.WNCRYT
            • Size 11KB
            • SHA256 403ee21aefd788b522eb83102889d1a9ca3801744d8846590b22eb556facc73f
            • MD5 SHA1 SHA512 SSDEEP

            32651709316701.bat

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\32651709316701.bat
            • Size 368B
            • SHA256 de18e42781591eae5b9de7b5addfcbe991a75446f4ac71e3421a85f8b8bc3865
            • MD5 SHA1 SHA512
            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\@[email protected]
            • Size 933B
            • SHA256 4a25d98c121bb3bd5b54e0b6a5348f7b09966bffeec30776e5a731813f05d49e
            • MD5 SHA1 SHA512
            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\@[email protected]
            • Size 1KB
            • SHA256 95307776e2a7c91f71b799a9d08ce870dd051f2add70a8a91ed53545c20b9710
            • MD5 SHA1 SHA512

            b.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\b.wnry
            • Size 1.4MB
            • SHA256 d5e0e8694ddc0548d8e6b87c83d50f4ab85c1debadb106d6a6a794c3e746f4fa
            • MD5 SHA1 SHA512 SSDEEP

            c.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\c.wnry
            • Size 780B
            • SHA256 ef0ed0b717d1b956eb6c42ba1f4fd2283cf7c8416bed0afd1e8805ee0502f2b4
            • MD5 SHA1 SHA512

            m.vbs

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\m.vbs
            • Size 247B
            • SHA256 2354c512d78b5a72550662ea82a19f0cd494924416ee1bd9a85541ae7236ea88
            • MD5 SHA1 SHA512

            m_bulgarian.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\msg\m_bulgarian.wnry
            • Size 46KB
            • SHA256 40b37e7b80cf678d7dd302aaf41b88135ade6ddf44d89bdba19cf171564444bd
            • MD5 SHA1 SHA512 SSDEEP

            m_chinese (simplified).wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\msg\m_chinese (simplified).wnry
            • Size 53KB
            • SHA256 845d0e178aeebd6c7e2a2e9697b2bf6cf02028c50c288b3ba88fe2918ea2834a
            • MD5 SHA1 SHA512 SSDEEP

            m_chinese (traditional).wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\msg\m_chinese (traditional).wnry
            • Size 77KB
            • SHA256 5c7f6ad1ec4bc2c8e2c9c126633215daba7de731ac8b12be10ca157417c97f3a
            • MD5 SHA1 SHA512 SSDEEP

            m_croatian.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\msg\m_croatian.wnry
            • Size 38KB
            • SHA256 3f33734b2d34cce83936ce99c3494cd845f1d2c02d7f6da31d42dfc1ca15a171
            • MD5 SHA1 SHA512 SSDEEP

            m_czech.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\msg\m_czech.wnry
            • Size 39KB
            • SHA256 5afa4753afa048c6d6c39327ce674f27f5f6e5d3f2a060b7a8aed61725481150
            • MD5 SHA1 SHA512 SSDEEP

            m_danish.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\msg\m_danish.wnry
            • Size 36KB
            • SHA256 a75bb44284b9db8d702692f84909a7e23f21141866adf3db888042e9109a1cb6
            • MD5 SHA1 SHA512 SSDEEP

            m_dutch.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\msg\m_dutch.wnry
            • Size 36KB
            • SHA256 2c95bef914da6c50d7bdedec601e589fbb4fda24c4863a7260f4f72bd025799c
            • MD5 SHA1 SHA512 SSDEEP

            m_english.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\msg\m_english.wnry
            • Size 36KB
            • SHA256 26fd072fda6e12f8c2d3292086ef0390785efa2c556e2a88bd4673102af703e5
            • MD5 SHA1 SHA512 SSDEEP

            m_filipino.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\msg\m_filipino.wnry
            • Size 36KB
            • SHA256 d8489f8c16318e524b45de8b35d7e2c3cd8ed4821c136f12f5ef3c9fc3321324
            • MD5 SHA1 SHA512 SSDEEP

            m_finnish.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\msg\m_finnish.wnry
            • Size 37KB
            • SHA256 1adfee058b98206cb4fbe1a46d3ed62a11e1dee2c7ff521c1eef7c706e6a700e
            • MD5 SHA1 SHA512 SSDEEP

            m_french.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\msg\m_french.wnry
            • Size 37KB
            • SHA256 9bd38110e6523547aed50617ddc77d0920d408faeed2b7a21ab163fda22177bc
            • MD5 SHA1 SHA512 SSDEEP

            m_german.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\msg\m_german.wnry
            • Size 36KB
            • SHA256 2adc900fafa9938d85ce53cb793271f37af40cf499bcc454f44975db533f0b61
            • MD5 SHA1 SHA512 SSDEEP

            m_greek.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\msg\m_greek.wnry
            • Size 47KB
            • SHA256 e13cc9b13aa5074dc45d50379eceb17ee39a0c2531ab617d93800fe236758ca9
            • MD5 SHA1 SHA512 SSDEEP

            m_indonesian.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\msg\m_indonesian.wnry
            • Size 36KB
            • SHA256 23e5e738aad10fb8ef89aa0285269aff728070080158fd3e7792fe9ed47c51f4
            • MD5 SHA1 SHA512 SSDEEP

            m_italian.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\msg\m_italian.wnry
            • Size 36KB
            • SHA256 49f2c739e7d9745c0834dc817a71bf6676ccc24a4c28dcddf8844093aab3df07
            • MD5 SHA1 SHA512 SSDEEP

            m_japanese.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\msg\m_japanese.wnry
            • Size 79KB
            • SHA256 7e491e7b48d6e34f916624c1cda9f024e86fcbec56acda35e27fa99d530d017e
            • MD5 SHA1 SHA512 SSDEEP

            m_korean.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\msg\m_korean.wnry
            • Size 89KB
            • SHA256 552aa0f82f37c9601114974228d4fc54f7434fe3ae7a276ef1ae98a0f608f1d0
            • MD5 SHA1 SHA512 SSDEEP

            m_latvian.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\msg\m_latvian.wnry
            • Size 40KB
            • SHA256 a0356696877f2d94d645ae2df6ce6b370bd5c0d6db3d36def44e714525de0536
            • MD5 SHA1 SHA512 SSDEEP

            m_norwegian.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\msg\m_norwegian.wnry
            • Size 36KB
            • SHA256 cb5da96b3dfcf4394713623dbf3831b2a0b8be63987f563e1c32edeb74cb6c3a
            • MD5 SHA1 SHA512 SSDEEP

            m_polish.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\msg\m_polish.wnry
            • Size 38KB
            • SHA256 519ad66009a6c127400c6c09e079903223bd82ecc18ad71b8e5cd79f5f9c053e
            • MD5 SHA1 SHA512 SSDEEP

            m_portuguese.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\msg\m_portuguese.wnry
            • Size 37KB
            • SHA256 bd9f4b3aedf4f81f37ec0a028aabcb0e9a900e6b4de04e9271c8db81432e2a66
            • MD5 SHA1 SHA512 SSDEEP

            m_romanian.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\msg\m_romanian.wnry
            • Size 50KB
            • SHA256 70c0f32ed379ae899e5ac975e20bbbacd295cf7cd50c36174d2602420c770ac1
            • MD5 SHA1 SHA512 SSDEEP

            m_russian.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\msg\m_russian.wnry
            • Size 46KB
            • SHA256 02932052fafe97e6acaaf9f391738a3a826f5434b1a013abbfa7a6c1ade1e078
            • MD5 SHA1 SHA512 SSDEEP

            m_slovak.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\msg\m_slovak.wnry
            • Size 40KB
            • SHA256 e64178e339c8e10eac17a236a67b892d0447eb67b1dcd149763dad6fd9f72729
            • MD5 SHA1 SHA512 SSDEEP

            m_spanish.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\msg\m_spanish.wnry
            • Size 36KB
            • SHA256 72f20024b2f69b45a1391f0a6474e9f6349625ce329f5444aec7401fe31f8de1
            • MD5 SHA1 SHA512 SSDEEP

            m_swedish.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\msg\m_swedish.wnry
            • Size 37KB
            • SHA256 146f61db72297c9c0facffd560487f8d6a2846ecec92ecc7db19c8d618dbc3a4
            • MD5 SHA1 SHA512 SSDEEP

            m_turkish.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\msg\m_turkish.wnry
            • Size 41KB
            • SHA256 6db650836d64350bbde2ab324407b8e474fc041098c41ecac6fd77d632a36415
            • MD5 SHA1 SHA512 SSDEEP

            m_vietnamese.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\msg\m_vietnamese.wnry
            • Size 91KB
            • SHA256 1f21838b244c80f8bed6f6977aa8a557b419cf22ba35b1fd4bf0f98989c5bdf8
            • MD5 SHA1 SHA512 SSDEEP

            r.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\r.wnry
            • Size 864B
            • SHA256 402751fa49e0cb68fe052cb3db87b05e71c1d950984d339940cf6b29409f2a7c
            • MD5 SHA1 SHA512

            s.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\s.wnry
            • Size 2.3MB
            • SHA256 c4c190f0822bbd9c007479ed82289494bd41851f38192705a0eae953f9358288
            • MD5 SHA1 SHA512 SSDEEP

            t.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\t.wnry
            • Size 64KB
            • SHA256 97ebce49b14c46bebc9ec2448d00e1e397123b256e2be9eba5140688e7bc0ae6
            • MD5 SHA1 SHA512 SSDEEP

            taskdl.exe

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\taskdl.exe
            • Size 20KB
            • SHA256 4a468603fdcb7a2eb5770705898cf9ef37aade532a7964642ecd705a74794b79
            • MD5 SHA1 SHA512 SSDEEP

            taskse.exe

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\taskse.exe
            • Size 20KB
            • SHA256 2ca2d550e603d74dedda03156023135b38da3630cb014e3d00b1263358c5f00d
            • MD5 SHA1 SHA512 SSDEEP

            u.wnry

            • Path C:\Users\Admin\AppData\Local\Temp\WannaCry-main\u.wnry
            • Size 240KB
            • SHA256 b9c5d4339809e0ad9a00d4d3dd26fdf44a32819a54abf846bb9b560d81391c25
            • MD5 SHA1 SHA512 SSDEEP

            memory/1976-75-0x0000000010000000-0x0000000010010000-memory.dmp