Analysis

  • max time kernel
    69s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    05-02-2023 07:03

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 19 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:1704
    • 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:1172
      • 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:616
        • 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:1432
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1544
          • 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:752
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1696
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1972
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1464
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1952
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1956
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1532
        • 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:1728
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1788

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    145.2MB

    MD5

    877986a9d0a4f56fb6d22b9f9a8ea66f

    SHA1

    51c366423f2da677396dc70654db6e007aef1155

    SHA256

    eae7392fc9ace364f6a7882a57d6d2b184ad2c736c0e9379d565dcea03208c29

    SHA512

    7b727db94ac9166b62a11376c8f8036b4349bce7a402dcb777a51cc5d302efcce780210aa548236f3f153ebf4b733bdddc4cf47b610356f71f2991e93c4d14bd

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

    Filesize

    144.3MB

    MD5

    b3392287ab358f77632187d26cdf3941

    SHA1

    0cf0597fa156906e62f771b4eb82b2176cc8a043

    SHA256

    734e6e549da01ced8bcc9d18b912dbdb06ad8fb6fd159a255a984a18c6297f32

    SHA512

    639f82dd6b3d80b3e4fecca4db201746ded56f85f891bcaa2f3d31d5dc700caf262f55e4a834f4cf7e37c015f857fc23f1458529af714c692feafc9ceeca1ebc

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

    Filesize

    7KB

    MD5

    3122890873348a5b2d00561183b4bcbb

    SHA1

    c0379d9ecbe8586078c76581247b7dd75791482f

    SHA256

    39f3cec214d14af5647f23f64ed7ca5200b80d0ca39f6c45f7d27a6b1ccc0a0c

    SHA512

    51bf4ca66658c9ae1eb630dbd9ab45d6549a605800528a7851e3e1e6fd3ca0ae2a374932bd73b0f682adcd7bd87f814d84f0802323fa73bcf50f2955b347a09c

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

    Filesize

    134.1MB

    MD5

    5ec42d34b695604b73bc66ad6f0cc1af

    SHA1

    775ad62deba7cf73da8db6bcde58c54e387f2ce3

    SHA256

    fa2b23ff0523d25b424cd3d94f7543a7284ccf29784a165b571c4626e912c928

    SHA512

    7e6f9d7aaf4862ff015fc9f137d63f9e0b97815daa6feaff2bec4ed2d7a35c3307bf6f83c910063d1e8034e0943ccc35804d17ce506baa9f60649b4c87ae7779

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

    Filesize

    133.2MB

    MD5

    e39b46d9f4a16b548467fd03ebcd8fd0

    SHA1

    2af98d5b235803255886e91870e9fd40c25a6787

    SHA256

    9a889d7554fdfac160920d3e6e6ba864657630fd0a195b64645e75dc36d1b7a4

    SHA512

    e633a56500f733fc0ee5abc7370eb889de34df3eaf1fb05e2e87862e83a8097a34e15d7be5cac97978e37d4247f1cf64f4a1d33d237cb1769c092744b9758ae7

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

    Filesize

    43.8MB

    MD5

    126d8439c6b9f4b07b59890f9012ed9f

    SHA1

    1195618272e1212ca576d1e5305fe0d092e2ad23

    SHA256

    4798cb3a8b7b858a287aa345a054478999b478fc38ef4a54f106002f5032053a

    SHA512

    6450b97c53d219ef4c36d437a5db32353a7a94496bb7bbd53def9e4167907b4c89b1559b551d83605ff7e94da5ad6ca67a6d15f04362162a55ef01d55c11f64e

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

    Filesize

    45.1MB

    MD5

    1a9f8029401e75f7c75fdc37ef975e81

    SHA1

    e23fb7a85def77476469931d1c79e39f62209372

    SHA256

    306596a8f4c467e713848b3c7c7785b76d7597dcfe9360a1b582b98fdbd03dc2

    SHA512

    2680af8fbdb2f77bf95e1da6f2c3eb34ae76960affb87078b0b1bf690c7d1296fe2ec0e5e916e9599cd612630a49ef47d4db54ddfe598f80921bee3afff24847

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

    Filesize

    46.3MB

    MD5

    9168e56ea171e9e41ad2526a4a702a7d

    SHA1

    66554778d35ce2760bb7c88ce508710428db4967

    SHA256

    b1385e0978e3958ec0bf0e2faf198b8f59ab331f042578bf9932d1f24567f562

    SHA512

    45e3804eda57ecc38232c08ee5a5f2ec1382da1df35c1fc6fb0ea4af9b9bb087121eddb6aca9c0e54a2873a4e107348dd6f3dd7ebc2da8ca7608566baff0ac5c

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

    Filesize

    47.8MB

    MD5

    70e5f7b51f9dff28a0583d2b79c75b4c

    SHA1

    0a620f42c344a5454fdd652bd5be1202a4d1f168

    SHA256

    3e91dee1f954d28a1ec29b42345ba829abccd5f2fc68b1644add07069ee982b7

    SHA512

    75c635d3947ad072eca3b834aebadcbd111f06647227c96e179891a133271892ad9e6629c90cceab8a54fa783254c708745af109d1587653e8dff5f171ebc75b

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

    Filesize

    45.1MB

    MD5

    705d06146349a984681c33269d5ee3ae

    SHA1

    85846da3cdd82e2863bcc5083dd669e4a1efd25e

    SHA256

    3379a1e4f8e7f4496536efea97cfbf64aad1fba9ac0f2fdd6de9d5b7ece6fc21

    SHA512

    3feeb109d87548b9c329ad38bc112916f4e75e7c03e05b5bab4f2acfd01ff59225fab41d7921bf02c9bd1fbfbc27575ad7fbb75a3f1f56bfa33fe55e51e1f22a

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

    Filesize

    43.7MB

    MD5

    6d020ab2ed5eed9914e4a9f665b04b5f

    SHA1

    969fb65064aa05bfd440fa4b9b51af9370927c6e

    SHA256

    00ba1c60a62444994c2624cc010bc373d928f53fd044e333a508cbaef06e8969

    SHA512

    8f6bdbb17c781e307b84f099ed4094509b5f4148882eb6d175f4efb185c1600529b503b68d51aff3ac8782de9965c86b84da2eedc8ccb8424889da2253f3b083

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

    Filesize

    45.3MB

    MD5

    22e5c5d8c4bd6af96086d4542ab0f3af

    SHA1

    ba4d30ffee6bd7ee34e151d6f0c0b7ed60fe95d0

    SHA256

    d54be34311f640497cc4c585df8ecdc274c9f469d2fb48a3b3a185a3f09b6531

    SHA512

    f3d83a3503c62f774a3710ee7d9c60a1269ab3c0be4aad9a4d1de66eedc5b15c3a64b574d8cac5a8edeeea91e79006f05f831ac626f8c4e159dd23e63707f1d6

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

    Filesize

    45.2MB

    MD5

    14f2787a4bc808e06cbcf4f162cf6e07

    SHA1

    477c1578efb16b53f2ae5921d6a61fbce521c86a

    SHA256

    de95397728d0c319d300ece4a91093a5e87f139abad1c4e298e31d1b7358fd6d

    SHA512

    01db633601d4831f43a924458e7dbe37278caaebef89be156f00abb9b46713b3c8506d44b64d87da4b87fc6278b685924727387beac3a9b138e0c2c9bf2976e6

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

    Filesize

    44.1MB

    MD5

    0dde02c68e1022c237f31c46aaeb7bed

    SHA1

    1f200f064c62a201babb766606cac58503dc12a4

    SHA256

    2bccba07ab89d4b89f035ef6c2f00cce905fad115f35832abc55eac8e61bdb9d

    SHA512

    ad5df449d9c0449779c4a6b77c6ecef7ab04871a67f25e9b6b31e1062191cbe5bbe9edd54de06f2ed9e2b1f15df1dc5b7984c8d33fa79ec072364b05231122d4

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

    Filesize

    47.4MB

    MD5

    769ec3cff666c6086759db2f18d52b9a

    SHA1

    1cf3715574446fb1429dcdeaf4b0f5c173b971cf

    SHA256

    8430c3974547778bdfce413521cfc6605648a3fa1d1d1aede7e73e45b8662287

    SHA512

    1772b4cc301de5deb6b1da4fa9e955543ef38c699c6dfd121490949c8f074a2b3c4fffd674352a8b70a7ab4ebf3caea87b2685dddb8d233577e741b3597d401c

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

    Filesize

    134.1MB

    MD5

    a2a05583eb3658a853776d5c7ebcff2c

    SHA1

    83beaebc55252e791f46a2204f2c023b842c5f6b

    SHA256

    a53ac9847e0e581f329c7662032c40114ce41d3ffcf2698d6a11a0e20d4dc8b1

    SHA512

    c5020e72ec9bac70d77d89a9768c4b8c5a95c3bc819dca64a653999066c1e74fc5706edb1d81ed417393ebe2c0f1aa24d9c6947f7d84634069b360a6545d52be

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

    Filesize

    135.5MB

    MD5

    8ba6cd2d890fae753bea3a34cbb6ab12

    SHA1

    13b020cfee3501794cdd041973e218d381650a79

    SHA256

    5e5650b038d763451a492e06b7c17e9c3cb56e22c543f814872ae400269cd28b

    SHA512

    a977d52106e7b891e65a1aef1a40f136469f55df1551bcc43cfc800e28a46300390241b8f6d9cab2b5f289d0bb271c5bd55417f2bb1226858d45405a00c84400

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

    Filesize

    136.1MB

    MD5

    dc6badc9cddb5318a2cda435619ce3c5

    SHA1

    b2fbf3e6e26455b3517884c571c70f714284e62f

    SHA256

    fe4342764be072fe00cab2ccdbbe0df102f0bb3784398c7bb2f7b978a993947e

    SHA512

    f4a02052e16988a4dd78d49a234ed5ef5cd79fc40448d3dbb15fdbde2bfface9dbacdbd72fac9cc95a185425bdade578a4b6c0d8667303e3688c67a0902b1405

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

    Filesize

    136.9MB

    MD5

    3e25dc891207d1ec3ac284e006be6802

    SHA1

    43cd63ccf66a72572b39cecc411056b91b35cff3

    SHA256

    1767fc940c9096a9eef1ed6ef1fbcfab8c0acc5db3eed346fb1bec47dd184b1a

    SHA512

    dfe5fb277fa06ea1934e8529abe73b64cf0e4bedaa41c13d46882d7e761a66b67eca41c2f86c447ccb367854a34bd9d0294c125157d56aca12c10129123bc56e

  • memory/596-88-0x000000006FCD0000-0x000000007027B000-memory.dmp

    Filesize

    5.7MB

  • memory/596-87-0x000000006FCD0000-0x000000007027B000-memory.dmp

    Filesize

    5.7MB

  • memory/616-76-0x00000000053E0000-0x0000000005552000-memory.dmp

    Filesize

    1.4MB

  • memory/616-66-0x0000000006420000-0x00000000067C0000-memory.dmp

    Filesize

    3.6MB

  • memory/616-65-0x0000000000150000-0x00000000008C4000-memory.dmp

    Filesize

    7.5MB

  • memory/1172-56-0x00000000762B1000-0x00000000762B3000-memory.dmp

    Filesize

    8KB

  • memory/1432-71-0x000000006FF90000-0x000000007053B000-memory.dmp

    Filesize

    5.7MB

  • memory/1432-70-0x000000006FF90000-0x000000007053B000-memory.dmp

    Filesize

    5.7MB

  • memory/1432-69-0x000000006FF90000-0x000000007053B000-memory.dmp

    Filesize

    5.7MB