Analysis

  • max time kernel
    82s
  • max time network
    85s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    05/02/2023, 01:28

General

  • Target

    5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe

  • Size

    3.6MB

  • MD5

    36fd273ea7607d3a203f257f4e2649ed

  • SHA1

    5e243f79ecb539d0d1f75fce7ddfedeccee70a48

  • SHA256

    471d501162e2a5cb6aab3f4f5362ff843d05ef9f20d9fd7ea29733d3a9875747

  • SHA512

    cf81163bc6d1f1141130fbe70944387b97d322afe837ad21a88a0be8f9fd87615bd7022cc572b1783871cc99f224258bae75855e805c733793b723ba0483597d

  • SSDEEP

    98304:VQF9SqUKUehGS26Ish7MUTjA+1VFnqWXvqaY4:VSSzMGS26x1MUTM+/Fh

Malware Config

Extracted

Family

aurora

C2

45.9.74.11:8081

Signatures

  • Aurora

    Aurora is a crypto wallet stealer written in Golang.

  • Detect PureCrypter injector 1 IoCs
  • PureCrypter

    PureCrypter is a .NET malware loader first seen in early 2021.

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 60 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe
    "C:\Users\Admin\AppData\Local\Temp\5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1476
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1116
      • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
        "C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:844
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMwA1AA==
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1928
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1488
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1696
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:848
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:2000
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2004
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1728
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic path win32_VideoController get name"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1632
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic path win32_VideoController get name
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:1392
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic cpu get name"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:600
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic cpu get name
              6⤵
                PID:972

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe

      Filesize

      153.2MB

      MD5

      b06eef8073b538b3ffbb4e0449543679

      SHA1

      f9a26ba4a3a70129a59ed987974000a259e85de7

      SHA256

      58e620fdd040f5beeb3e7957f7e13ea1bb59b82ac7d342a3e54b14e06fe93711

      SHA512

      c37deb916f1ad92c92e9329d3602634f47bb45e04e1fd055901c290bdb0872c64ea0a1162030b42a980b32a0e80b93cae50589c2ae89bf414485b952bbdbc66d

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe

      Filesize

      147.4MB

      MD5

      b721578df9fd4a9870a3459899a18937

      SHA1

      ac02abba2b08a634b12629a58fc1d2c4155d54fc

      SHA256

      bcc35eb5f01ca2ec1b814dea3858d714fc79eb8bf98446aa23418d96390896f9

      SHA512

      948194a5e028218ade6b0aa4b4e2af1626d9069013c8124cf8453e612168d3f62c950066ec90e592eb3dd8de655da60f51e934c335db4f6869e933d5cae1bbdb

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

      Filesize

      7KB

      MD5

      8980c3d5b7b6e2db43705c6e71bba6ea

      SHA1

      0cc73600b9a3d72ff161d3eca7cd0732132520d0

      SHA256

      cbb711ed57de090ba80b3a110cfeed38426cc19d8337d97ada2492cdff19e315

      SHA512

      0649f9d766e7ff30d71df9aea0181492343b33b8c7a2802454293d56c63b06e576555f7276b5c3f64a1a673bbe2d4bcacb4f540935a7a916aac6fa71921e2ac0

    • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

      Filesize

      131.5MB

      MD5

      078d38ab5a9abe6a18d3dc85c9eaa880

      SHA1

      3126d939c54236eb68e275223f5a5fea23ca416f

      SHA256

      9ad8abcce9651badc5072079a72d48f377cd47d13f64b25d71f97de94f8137ad

      SHA512

      9841d0629a95aeb7b9484a9015b9afe2e9b56802328f9b462703e1001ef68135c42a4bcdc98c2ae8eb07bcbccb69a36b1a9a8df7a1dff1fc7456fd2e9b695145

    • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

      Filesize

      130.6MB

      MD5

      dd4b34a81baf678afc02c5c2b6c25f93

      SHA1

      2b0b3593871e59c4be410dcb0d3d46a60a8c437a

      SHA256

      7546f1f125b6b445d089e40f993db397061e6fda896e3b6dafbfacffebabe1b9

      SHA512

      d5ff9f2d8c4fae50bf1e216e5fc9260280322fec9aaa75c8de35cc0f7035d2356f1caec6ddfbd04fa8edc574432c0d71ee9ff2d926b9c6d2d0b0848f879125d5

    • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

      Filesize

      78.2MB

      MD5

      8f21292e8cb366367307ca5224531f9d

      SHA1

      68fa06595f1c1fc15ea0d19bcb638492d02a63e4

      SHA256

      9604b4d90dbfd93192e57f630eb00508a2d021b2a8cb5f014df72e96bca97529

      SHA512

      56d50e711d45247a320ee07da6c9196badedc7e28380371677ce604a324f20e28dc9cc11c7d71432756183810ff9b69df1eee2ce529387cc706eae7c1645ca17

    • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

      Filesize

      74.9MB

      MD5

      233db0587cdb6504abf968636bf0c53f

      SHA1

      638ffa592a61450aa424c1d9a211b7c311a0a4af

      SHA256

      882274c2c6b71649127ac9df39994c85786fdc08d3fa37500c8f505ecd203323

      SHA512

      21c8eebf16ac9903833708acbee7b92aa2a79ab5f938bf7cc46a2ed7d4a2d75c8c1b606a919577ae7482917d2eab0f1e5ea59c1440284953d95e3ca34d66f0c3

    • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

      Filesize

      78.2MB

      MD5

      3e30848a86a0d253c4cb56f63a41631b

      SHA1

      121e00c2f20920a9a0f03f5c22be5de515e320c4

      SHA256

      b56d01c611955507156cc1f0f4f5a15df57d29f6902f353a94cbff7c78665f83

      SHA512

      67e3086a686da6cd9fc6c323c045bf8fbb90da354680664ee05ae511dddb674d5ff70b2a3f62cfe91ce1010e6731bf48d4f5bed1d09b2bea524443ad51b2a97f

    • \Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

      Filesize

      130.1MB

      MD5

      8a7fa28725c67b9f823c6d890349645b

      SHA1

      480b5086050a01090eb77f093e210ce1434b5724

      SHA256

      a6901ccfdfd66bae0d5a14d7a2f96c5c71d47c3d635a219fa8b4636839dab27d

      SHA512

      68ba5e55017f420e8b5809aa7ee3caf45d80c2f133ea23b5937390629c10113d7d91151bdd4ae1952c4ff7b84c5706d271eb5e73a46b1d1562166b9adb03b966

    • \Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

      Filesize

      133.0MB

      MD5

      0f86bda98c031511f0e85faaebeace6d

      SHA1

      f1f34fd130a316be13b214005954c433eeed60ee

      SHA256

      9e6c905336f5ec89f9f8c6c0c12d1f46deb23bf48732b01ebf6ef29d39e668c1

      SHA512

      fa8ada2cf155f6f7702a2ae12a690657d1d3d61795f2f9a50cc51442ea18f53c719a23a5fab9a60dba935eb2a91b5cda96464e209a0743093dd2ecf54665ccfb

    • \Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

      Filesize

      134.9MB

      MD5

      0e57d576eb4843b87e397b2d45d54a6d

      SHA1

      cde05fb912faddf822f12409bcf2aff4ed3337d1

      SHA256

      6b07db3bbeb0d01de173de31f014e8d1e296c74c3e873bea0db145fe5911e8ac

      SHA512

      8f4280054454f10bf49e3a37f2514d3605220b207a8476d6745512d557e1802a857806700a1f773b98623b98e244ff803eb510067731d8eb278d19ad2989ed77

    • \Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

      Filesize

      133.1MB

      MD5

      0ecafda6c7fd7f8320c2bc9bd420af3b

      SHA1

      f0c2619a360bc66097b22ddacf29088e77f11484

      SHA256

      8e4408acd52014bcf211521a99998a33a16f55adcbeec3e2463f160aad8809f4

      SHA512

      1824f59f2c6f99f926eba9b840c974c3b87276fc38c23c2145950a67561517d452ff3c902c070fa9ed59f9f5f160f52e3643f02e4a4d435e91a8e6cf95d647e7

    • memory/844-73-0x0000000005470000-0x00000000055E2000-memory.dmp

      Filesize

      1.4MB

    • memory/844-65-0x00000000013E0000-0x0000000001B54000-memory.dmp

      Filesize

      7.5MB

    • memory/844-66-0x0000000006530000-0x00000000068D0000-memory.dmp

      Filesize

      3.6MB

    • memory/1116-56-0x0000000074C11000-0x0000000074C13000-memory.dmp

      Filesize

      8KB

    • memory/1696-98-0x000000006F110000-0x000000006F6BB000-memory.dmp

      Filesize

      5.7MB

    • memory/1696-95-0x000000006F110000-0x000000006F6BB000-memory.dmp

      Filesize

      5.7MB

    • memory/1928-69-0x000000006F3C0000-0x000000006F96B000-memory.dmp

      Filesize

      5.7MB

    • memory/1928-70-0x000000006F3C0000-0x000000006F96B000-memory.dmp

      Filesize

      5.7MB

    • memory/1928-71-0x000000006F3C0000-0x000000006F96B000-memory.dmp

      Filesize

      5.7MB

    • memory/2004-79-0x0000000000400000-0x0000000000731000-memory.dmp

      Filesize

      3.2MB

    • memory/2004-94-0x0000000000400000-0x0000000000731000-memory.dmp

      Filesize

      3.2MB

    • memory/2004-96-0x0000000000400000-0x0000000000731000-memory.dmp

      Filesize

      3.2MB

    • memory/2004-90-0x0000000000400000-0x0000000000731000-memory.dmp

      Filesize

      3.2MB

    • memory/2004-89-0x0000000000400000-0x0000000000731000-memory.dmp

      Filesize

      3.2MB

    • memory/2004-87-0x0000000000400000-0x0000000000731000-memory.dmp

      Filesize

      3.2MB

    • memory/2004-86-0x0000000000400000-0x0000000000731000-memory.dmp

      Filesize

      3.2MB

    • memory/2004-84-0x0000000000400000-0x0000000000731000-memory.dmp

      Filesize

      3.2MB

    • memory/2004-82-0x0000000000400000-0x0000000000731000-memory.dmp

      Filesize

      3.2MB

    • memory/2004-80-0x0000000000400000-0x0000000000731000-memory.dmp

      Filesize

      3.2MB

    • memory/2004-103-0x0000000000400000-0x0000000000731000-memory.dmp

      Filesize

      3.2MB

    • memory/2004-104-0x0000000000400000-0x0000000000731000-memory.dmp

      Filesize

      3.2MB