Analysis

  • max time kernel
    75s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    04-02-2023 19:37

General

  • Target

    5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe

  • Size

    3.6MB

  • MD5

    36fd273ea7607d3a203f257f4e2649ed

  • SHA1

    5e243f79ecb539d0d1f75fce7ddfedeccee70a48

  • SHA256

    471d501162e2a5cb6aab3f4f5362ff843d05ef9f20d9fd7ea29733d3a9875747

  • SHA512

    cf81163bc6d1f1141130fbe70944387b97d322afe837ad21a88a0be8f9fd87615bd7022cc572b1783871cc99f224258bae75855e805c733793b723ba0483597d

  • SSDEEP

    98304:VQF9SqUKUehGS26Ish7MUTjA+1VFnqWXvqaY4:VSSzMGS26x1MUTM+/Fh

Malware Config

Signatures

  • Detect PureCrypter injector 1 IoCs
  • PureCrypter

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

  • Executes dropped EXE 12 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 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:1720
    • 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:1708
      • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
        "C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1136
        • 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:2028
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1516
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:596
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1988
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1692
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1716
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1788
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1932
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1948
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1980
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:2036
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:560
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1532

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    174.2MB

    MD5

    42d0b9a3bb68e82da32fa3b102397c6f

    SHA1

    42ede5d3bf5ed1ce9c19a734b947d2afb87f2c90

    SHA256

    14e1ccf7b1b2f7e496bda76b5185ee74fb09c28ca318365e79acf90b47f60252

    SHA512

    1980fd220c39128ca8735d1fa152ea5f353f1158c8047843dc0cef7b3e292b50cbeb50c4449df85d220b4325b79318c56cacf478b1e15b995684b20bb9abd7dd

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

    Filesize

    189.6MB

    MD5

    a6161aca384b3af7ef52d6e1d0c935a1

    SHA1

    bc8facf3ba7d700439b7ce5802a3b9ac10d1949a

    SHA256

    d8f113f372632f0f7c01bb95653965563a814d61cbb5115d8fec0a3425cb1136

    SHA512

    08451754a0f7136f08224c710ac470a41a66ce7ed44afd43a242a64d87b34985019c63c5f3b2e0c81a371a0bf0c092a9c89225c25ec727fb6c6f5a2727fb6a53

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

    Filesize

    7KB

    MD5

    9fd18b412ddfb6ed028411e859204ec8

    SHA1

    c9cfa809a31401e52bcc8a721ca2a1b7a48cc260

    SHA256

    801011e3cf0bccb8e5083c12262f230560775f41f7ca6ac372df28a16f474691

    SHA512

    10ab06c9d76f735e7f6e1c33bf18afc1771a38f9cf44bc5fa2d923ab308d11edfeabff4c42e26d7173b1f7efa9b6693e9582517917f4bfcec76904182ec9ef5f

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

    Filesize

    159.1MB

    MD5

    aa8df1e7b97c87ac6cdeb1b4939aa4c7

    SHA1

    a4ce51b9966fb853ada76bc022fce0ee49a87014

    SHA256

    4ae4b313567d271d0c03043ea5922fbdb1d669dc41516f2d3a59d28d078526a3

    SHA512

    7957ae681150a9a2707af479084a4e1d3033dae73f2efb602e0bf61c5a70ae1b30446e1000d5d4db9000d69393adec69f150d40e65b01c5e6fa917c0b1d61d51

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

    Filesize

    159.5MB

    MD5

    ae6604f7a19ce643d5dcc2b5de9ced50

    SHA1

    44792425de4fc7f36b41d915d642ffee7befd016

    SHA256

    7fc5df3f32c6b9d9bc883e4a5aa3532c4279ba68d023837db9b84cdbb3a2f8b4

    SHA512

    a5c209c241977df8b0980bbad4a7faf87fbdb6db845b8af3492ba3f701226737c10e8f26166dfc83441096b0a326920a3414b62e26487941454f5e7b70291b87

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

    Filesize

    71.8MB

    MD5

    7bebc993fdbe6d141a7ceaf041c2cb60

    SHA1

    1e46fb66c8d7ca7f92f051c3a31ce9b05d6278f9

    SHA256

    c4428184b4a635b6c0647931e60e8b223a975bb3d981b4029c980a5b98ad389e

    SHA512

    570a2b0dfc822eadb3bfa04e8e81b22124a9432971fe1424227d082cdaa6f56c77983598c43d3e2679fbcb8abd5d51b6b12c0427290b27b9e86edcd6f0ffbbb8

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

    Filesize

    69.9MB

    MD5

    9f67137249e64dda619fe304a2a3707e

    SHA1

    8b5882a51e2f8f64c41ce770179c81cdfadd347d

    SHA256

    fd2d978e723b1ddd2dcdd245c56ea36e1d80c7afe045b34b64377513eec22af8

    SHA512

    ccbdf3aaa114eb4e17d28a3509ccb140635f7cf1debb5efaf9ac05d269dfd627cf38880bac160bc29ab62e18d3553eb8274f84a39f67a0ec350f922b232e0477

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

    Filesize

    70.4MB

    MD5

    a7cacd12fd352971799409a69ef32c7d

    SHA1

    5be185b2baba28df5535aa6ac3a735d2c7330e6e

    SHA256

    b92dd2d7cf30f0e31e4ebf6f51ba704911d49c6c7a0af350a1f925d0e1dbab44

    SHA512

    5ffda493198daa71df0eff0424ddb5109e51f01afaac4fd45897691e6c85eba8d9c0c0986d5a3e62e8d5e8ed9aef25ddb8d09c1ff4810cc4b235fdf3853d5330

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

    Filesize

    70.5MB

    MD5

    01497eb68de190ea16b662cb43d88b66

    SHA1

    c80703fc8b78de87be0e701e56fadbac92d8ed8c

    SHA256

    987dec3d9bcabf85a85d3fb0449558dcc29c8f75fb1f74079f48965ecd60d797

    SHA512

    c98467b558b7f1c1abd9ebca9b2d2895641076b985b8a0459fe28940c86f5d53c265a3de9a18464b6fff65735be2c7235ec2dcff3b454d1b77d5d0c5cbd0941b

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

    Filesize

    69.3MB

    MD5

    c107ad793a24e4b7c2c1d1d3e17a0d6d

    SHA1

    b4d6c192a8152b24de3b75818c68dd0d177fdd3d

    SHA256

    c3f73803fd575f0c99218d4768d0f247f5b5831934e918118ada138e3f22e80b

    SHA512

    21d98a29fb19e999344f3a6fdd48c11bbd100d5d0761f970a57564eb55d2f187a22917447b8a7cef09056aa4350f18890e84b6fe4c507483ce78bcc78557ace9

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

    Filesize

    73.9MB

    MD5

    ff3e46efa2b892dfd6eb1943d2dadfac

    SHA1

    f00bc98f84154fca59feef7c7b2d110f524641a8

    SHA256

    59e5e3c357fe37fc4bee7c6ca1efadb4243beba4915475fbe6aaffc61fc8cd4b

    SHA512

    98a743aeb53fd3de7eba0cc113bc5e7be6c2089dd95782796e1776c498bf1f9cb2791be879c9f8d3e962f91cce27b221aad5f3acba25944653c090894ccfe47e

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

    Filesize

    72.6MB

    MD5

    b4ec84d2759775241aef95abaddb3c2c

    SHA1

    0da959a69787b26aabb4f0b2fbe2219d24f8a9f5

    SHA256

    55ccee3d0b67fba5171e9a42b76fe3107f5e3cf30ae8a0a0290aea14e7864b8a

    SHA512

    5ce70e3c8bfb09b90a07240e322c9ce530c98db4ae08ceb0b7c6fb90b68b9a13b47c99317969396e1bc90451b13d206d0870c828a117a4b532bd157e357811be

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

    Filesize

    69.8MB

    MD5

    654e774814b827a812fd2e9c99875dd7

    SHA1

    bb18054db3f1c77f172eef8f4f8f1feab6f6eabf

    SHA256

    7259742b7eefe1badd1b7ca570653250ea327d8894276e71e2334374449b54d2

    SHA512

    f3e657e95f18add0565371a62cece59a58b0fee99c60c084993435c336c589ae53b0903ad18f679ee0933eee8da40043f802d48627cebc775646850959347304

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

    Filesize

    71.6MB

    MD5

    a439ae1daf4a41f2bb23a947dd5b9810

    SHA1

    1b9f596eff83fd2145f802c66ad78ce109cb1f7f

    SHA256

    4fb4501aba880a861b78862b3f0400edce44bd05c636ee1e14ef7786bb011cb2

    SHA512

    e851465eff05afe8e9daa1d94835c248a27de1782bd57e0da80f47322fc37ca1529f13348aa70ead5582bf0d859609ccabbd4795c6a3c0181bc4020aa68807af

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

    Filesize

    68.6MB

    MD5

    d2ac547ba78477882b1142ff9be94565

    SHA1

    77c02b307147ee0961a433a174384d8eaf2666e7

    SHA256

    6b5979cf0fd1094b1fa82c5293ddd5542c93d12f0fa67021203904325cf95759

    SHA512

    f5ac26dfb9449b006e7ed206b37717f52c25e36cb95d367b39edd219b6330e3dfbd82c994070b6da12923efb797d2d4dcbc9495920955d8c34c3fe898ed95b85

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

    Filesize

    164.6MB

    MD5

    f4817eaca1068cc83a103d6b0cbd62b2

    SHA1

    e31d6e421c7603204463e537e86beb9b73a05839

    SHA256

    83c53dcc07f126019f4e695eee398489e888089e631d15eb80fe2ed36fb51aaa

    SHA512

    6b63f331dd4016f371e3d2cf0018ecb766d7ab186b58ebc846778d9e7e1a648b0963b88cd9eb727847e5b125c679adab8f62b93d3465fb3cdab3414aca8c3fd0

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

    Filesize

    163.5MB

    MD5

    fc00a3cfb21026dfac1e36683eabbb79

    SHA1

    4bb7f4e4e97862de3721855ab99f0b86ab1625c5

    SHA256

    9dadf6b037b880846227890df5a2d71646624a27a8d97048f8b685896d3cdcb1

    SHA512

    cf0edb01fbe694bb1201206ba106c34923ea618d214bcecc0c0ffe8167a2973910d4412ccd2389558e2f8b353c65d2558fd43069c7c42dacadad7346826e3a98

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

    Filesize

    164.7MB

    MD5

    7eb902dcd4bdd8cfbf108b8fb3004b03

    SHA1

    3148175d13354c8dd0bb32d69fd505c11a191fe5

    SHA256

    71374220e7f56c1f8adf11e199f8422b1d30fd22f6dbe621dd77bd8b681f4f86

    SHA512

    977cab1da71af0f7086acc60472977f6a3b7e1a46dbb51a961b053712c518153e5b1e592415ac76e2d53230321c8d6dde9401f5ad75884ab547b1e60c40ab82f

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

    Filesize

    149.1MB

    MD5

    99ca957cd8a5c1aa10747eb1e7102369

    SHA1

    022c1a2e45e1d6b1d8dc88906e161d87966d2c8a

    SHA256

    55474b05522a5e70cdb7ff570b9302e7d3c4c699315b6445a97c2964fd9ecb01

    SHA512

    ae80f659e073538f3241c88dbe210617bc8236b7aceabac98e27ca50a38921bb3abab96c92894ee81cf14d7a2f22d70a6994c81bc42bad7de7570b3afa06e6aa

  • memory/596-74-0x0000000000000000-mapping.dmp

  • memory/596-88-0x000000006FCB0000-0x000000007025B000-memory.dmp

    Filesize

    5.7MB

  • memory/596-87-0x000000006FCB0000-0x000000007025B000-memory.dmp

    Filesize

    5.7MB

  • memory/1136-66-0x0000000006360000-0x0000000006700000-memory.dmp

    Filesize

    3.6MB

  • memory/1136-65-0x00000000003B0000-0x0000000000B24000-memory.dmp

    Filesize

    7.5MB

  • memory/1136-62-0x0000000000000000-mapping.dmp

  • memory/1136-73-0x0000000005370000-0x00000000054E2000-memory.dmp

    Filesize

    1.4MB

  • memory/1516-72-0x0000000000000000-mapping.dmp

  • memory/1708-56-0x00000000762B1000-0x00000000762B3000-memory.dmp

    Filesize

    8KB

  • memory/1708-54-0x0000000000000000-mapping.dmp

  • memory/2028-70-0x000000006FF70000-0x000000007051B000-memory.dmp

    Filesize

    5.7MB

  • memory/2028-71-0x000000006FF70000-0x000000007051B000-memory.dmp

    Filesize

    5.7MB

  • memory/2028-69-0x000000006FF70000-0x000000007051B000-memory.dmp

    Filesize

    5.7MB

  • memory/2028-67-0x0000000000000000-mapping.dmp