Analysis

  • max time kernel
    92s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/03/2024, 03:56

General

  • Target
    2024-03-25_7c5ff2fabd4d992d98e0c1ceb88ab8c3_wannacry.exe
  • Size 3.4MB
  • Sample240325-ehrlrafe48
  • SHA256 ebfbd194883031576456db7493ae4bdbaabc49c0ae52a6b4a9954b36095a5c1d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Detects command variations typically used by ransomware 1 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-03-25_7c5ff2fabd4d992d98e0c1ceb88ab8c3_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-25_7c5ff2fabd4d992d98e0c1ceb88ab8c3_wannacry.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5088
    • C:\Windows\SysWOW64\attrib.exe
      attrib +h .
      2⤵
      • Views/modifies file attributes
      PID:3596
    • C:\Windows\SysWOW64\icacls.exe
      icacls . /grant Everyone:F /T /C /Q
      2⤵
      • Modifies file permissions
      PID:3704
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5088 -s 280
      2⤵
      • Program crash
      PID:3808
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5088 -ip 5088
    1⤵
      PID:5044

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          b.wnry

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

          c.wnry

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

          m_bulgarian.wnry

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

          m_chinese (simplified).wnry

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

          m_chinese (traditional).wnry

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

          m_croatian.wnry

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

          m_czech.wnry

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

          m_danish.wnry

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

          m_dutch.wnry

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

          m_english.wnry

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

          m_filipino.wnry

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

          m_finnish.wnry

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

          m_french.wnry

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

          m_german.wnry

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

          m_greek.wnry

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

          m_indonesian.wnry

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

          m_italian.wnry

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

          m_japanese.wnry

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

          m_korean.wnry

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

          m_latvian.wnry

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

          m_norwegian.wnry

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

          m_polish.wnry

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

          m_portuguese.wnry

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

          m_romanian.wnry

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

          m_russian.wnry

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

          m_slovak.wnry

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

          m_spanish.wnry

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

          m_swedish.wnry

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

          m_turkish.wnry

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

          m_vietnamese.wnry

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

          r.wnry

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

          s.wnry

          • Path C:\Users\Admin\AppData\Local\Temp\s.wnry
          • Size 2.9MB
          • SHA256 e18fdd912dfe5b45776e68d578c3af3547886cf1353d7086c8bee037436dff4b
          • MD5 SHA1 SHA512 SSDEEP

          t.wnry

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

          taskdl.exe

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

          taskse.exe

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

          u.wnry

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