Resubmissions

28-03-2023 03:34

230328-d4zntaaf4s 7

28-03-2023 03:31

230328-d27awaaf3y 7

Analysis

  • max time kernel
    144s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    28-03-2023 03:31

General

  • Target

    CrystalDiskInfo8_17_5.exe

  • Size

    5.0MB

  • MD5

    8360ed8f8351c16f6259b88ce8c86353

  • SHA1

    ceaa5c1bddbb1486826ca3427bbb0450e5ad8bcf

  • SHA256

    892fad32d6aa24b24dbdd5757ba026206f24a7e78b84ffc1a579510c5a294137

  • SHA512

    8bbeecb698c00a7c992a4c08ebf0565f6edd2a08b45ddbc5bd1762e42175a38767400b3e5d9db8b5b1e08e2a899a5d00dd6f4e107babd4c18f4ed4b00b65f610

  • SSDEEP

    98304:ikLKxHcD7YjjIygnuXRv9ERNcM3dyMEBWdpObW:tKpcD7YXmSqRMMqEObW

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 8 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CrystalDiskInfo8_17_5.exe
    "C:\Users\Admin\AppData\Local\Temp\CrystalDiskInfo8_17_5.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:324
    • C:\Users\Admin\AppData\Local\Temp\is-ATHVJ.tmp\CrystalDiskInfo8_17_5.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-ATHVJ.tmp\CrystalDiskInfo8_17_5.tmp" /SL5="$70124,4163908,857600,C:\Users\Admin\AppData\Local\Temp\CrystalDiskInfo8_17_5.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      PID:2000

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\CrystalDiskInfo\CdiResource\themes\Simplicity\is-2IC1S.tmp

    Filesize

    1KB

    MD5

    f8b559a259cfe0f8eb39d1596f371767

    SHA1

    fdb89b6a1f08f7d8e83fd862403da71e110f737f

    SHA256

    c964d3efbe51d9c9ceb113d6eee196e1fd19938cadd733011c24b91d093f16de

    SHA512

    d8ab05bfac764187049cc0ca3c7a5e7112e5bd685b083d01fee6ea1939b8ff53c1a316e549f3a4c2a1e011fea101155fe36109c875593884972dbb0fbbef171a

  • C:\Program Files\CrystalDiskInfo\CdiResource\themes\Simplicity\is-65635.tmp

    Filesize

    1KB

    MD5

    cd53ebbeedfcdbe04ac94f0323440d83

    SHA1

    2249087471df17ab704b9e24c620a7d7f9e406d9

    SHA256

    16e367b75d0cb12efeb05cf23e696c06941e319509302bd99942b06d8daa4cb6

    SHA512

    07bbf2cfff944579a68dc337ecf7ededebd408ba7849f58e4de6215656f94f04d6af3b197c00b147092cb018dfaf196b1fbdd384360319fb1367fc55c77e2ee6

  • C:\Program Files\CrystalDiskInfo\CdiResource\themes\Simplicity\is-801G0.tmp

    Filesize

    1KB

    MD5

    8d1ad40d84930c904a3c46a2e876110e

    SHA1

    b49b07507ded62c5be9db303de3c0ac129eeb89c

    SHA256

    d7ad392146e0be9b808bf4568cf9e10d8f6c20c2055aee1f26763118fd6d422a

    SHA512

    d8f63bacd180132d4d63a9ef40fea46c0b2a712ccfca9b05814ebecd300e31e2f55a72dec9a7fe18c150866a0abf0eb88aceed5ff6c856895dfc2ed0cd052137

  • C:\Program Files\CrystalDiskInfo\CdiResource\themes\Simplicity\is-SE3O8.tmp

    Filesize

    1KB

    MD5

    e8799e2989a9ec24ea55195adf9d2e89

    SHA1

    3ba12b043c5d27b56b9691271d53d037dbe0f410

    SHA256

    3ff066b7b8d75fa423837c5880f45727b86e1f2366852c399d672c3dcf6a80ae

    SHA512

    05b854ac0c5faef1f255e2d24c1923c40019f1eef8d4a77215469ecba004720e6f781f84a872e790a9163799be6cd7cec088e04200e15aed5b7ada174b2436b7

  • C:\Program Files\CrystalDiskInfo\CdiResource\themes\Simplicity\is-TH1PQ.tmp

    Filesize

    923B

    MD5

    dce02b9a45fba2a70042c8c1e03d9b94

    SHA1

    978e46984c3122ca2ecc5392b6b6f877dbe178b3

    SHA256

    0b0106761cac0e726c84c5883c989fae0e33c9ec90f3951e9a16e0e6128c183f

    SHA512

    476d6d814e6d5402d33748469d4cc86acb41aa79b9e4ce851c1531fb6706b9adcf1386b44cb293c8abb0b11768fb004ba89814a0caaab4579538d35edfa3060f

  • C:\Program Files\CrystalDiskInfo\DiskInfo64.exe

    Filesize

    2.7MB

    MD5

    4d02f1b59c8e224216b2219bd99f9546

    SHA1

    da6bba4a3738263c14d99538be3ddc28d17bdb6f

    SHA256

    7211f990c24732bb70aa9df130745a5a6edd80f6f6fadbfffa1b7b7c3267c19e

    SHA512

    5ac3ca578ce1b369be33deb35529bfc379634c87decc7128396050fe55e4f41aef78c9f8c5fd69dd8a629174758ee0c5617df9800c65d109c41092fbe8e94b2d

  • C:\Program Files\CrystalDiskInfo\unins000.exe

    Filesize

    3.1MB

    MD5

    1ba538756b5bd8fd4c9296f0cd461a5c

    SHA1

    38bc3f16a7d054ed5368dff5726d16b23580129b

    SHA256

    f946d2ec91242ba4ff46c3e73c1f51f885391f1f56f5689ea973bafcc584a8ae

    SHA512

    fd1effa65a993604894e575b7617d8f32a0eb839fb08f58625c2485795dce369e3cdf15608974d4ff8a09c6867a24861f002f9ceee8d81677220d696b45bedb6

  • C:\Users\Admin\AppData\Local\Temp\is-ATHVJ.tmp\CrystalDiskInfo8_17_5.tmp

    Filesize

    3.1MB

    MD5

    1ba538756b5bd8fd4c9296f0cd461a5c

    SHA1

    38bc3f16a7d054ed5368dff5726d16b23580129b

    SHA256

    f946d2ec91242ba4ff46c3e73c1f51f885391f1f56f5689ea973bafcc584a8ae

    SHA512

    fd1effa65a993604894e575b7617d8f32a0eb839fb08f58625c2485795dce369e3cdf15608974d4ff8a09c6867a24861f002f9ceee8d81677220d696b45bedb6

  • C:\Users\Admin\AppData\Local\Temp\is-ATHVJ.tmp\CrystalDiskInfo8_17_5.tmp

    Filesize

    3.1MB

    MD5

    1ba538756b5bd8fd4c9296f0cd461a5c

    SHA1

    38bc3f16a7d054ed5368dff5726d16b23580129b

    SHA256

    f946d2ec91242ba4ff46c3e73c1f51f885391f1f56f5689ea973bafcc584a8ae

    SHA512

    fd1effa65a993604894e575b7617d8f32a0eb839fb08f58625c2485795dce369e3cdf15608974d4ff8a09c6867a24861f002f9ceee8d81677220d696b45bedb6

  • \Program Files\CrystalDiskInfo\DiskInfo32.exe

    Filesize

    2.5MB

    MD5

    80bff73c6e61647a327b227130d0a8f3

    SHA1

    2a15c2f0271dfdd7027e6be438dfc993671e4ce4

    SHA256

    28a06d450d6b52c78777d2af878761557cb121d5318aad65c5c31bddaa3ccc50

    SHA512

    4a3209875fe6b967d205c712e6a1f06e0196c975daefe09844ec34fb52a2bcb6f942e2ed5b633d03b0cd566489e6b8f9936689d75b5d1d6d76d6b5899fdfe058

  • \Program Files\CrystalDiskInfo\DiskInfo64.exe

    Filesize

    2.7MB

    MD5

    4d02f1b59c8e224216b2219bd99f9546

    SHA1

    da6bba4a3738263c14d99538be3ddc28d17bdb6f

    SHA256

    7211f990c24732bb70aa9df130745a5a6edd80f6f6fadbfffa1b7b7c3267c19e

    SHA512

    5ac3ca578ce1b369be33deb35529bfc379634c87decc7128396050fe55e4f41aef78c9f8c5fd69dd8a629174758ee0c5617df9800c65d109c41092fbe8e94b2d

  • \Program Files\CrystalDiskInfo\DiskInfo64.exe

    Filesize

    2.7MB

    MD5

    4d02f1b59c8e224216b2219bd99f9546

    SHA1

    da6bba4a3738263c14d99538be3ddc28d17bdb6f

    SHA256

    7211f990c24732bb70aa9df130745a5a6edd80f6f6fadbfffa1b7b7c3267c19e

    SHA512

    5ac3ca578ce1b369be33deb35529bfc379634c87decc7128396050fe55e4f41aef78c9f8c5fd69dd8a629174758ee0c5617df9800c65d109c41092fbe8e94b2d

  • \Program Files\CrystalDiskInfo\DiskInfo64.exe

    Filesize

    2.7MB

    MD5

    4d02f1b59c8e224216b2219bd99f9546

    SHA1

    da6bba4a3738263c14d99538be3ddc28d17bdb6f

    SHA256

    7211f990c24732bb70aa9df130745a5a6edd80f6f6fadbfffa1b7b7c3267c19e

    SHA512

    5ac3ca578ce1b369be33deb35529bfc379634c87decc7128396050fe55e4f41aef78c9f8c5fd69dd8a629174758ee0c5617df9800c65d109c41092fbe8e94b2d

  • \Program Files\CrystalDiskInfo\DiskInfo64.exe

    Filesize

    2.7MB

    MD5

    4d02f1b59c8e224216b2219bd99f9546

    SHA1

    da6bba4a3738263c14d99538be3ddc28d17bdb6f

    SHA256

    7211f990c24732bb70aa9df130745a5a6edd80f6f6fadbfffa1b7b7c3267c19e

    SHA512

    5ac3ca578ce1b369be33deb35529bfc379634c87decc7128396050fe55e4f41aef78c9f8c5fd69dd8a629174758ee0c5617df9800c65d109c41092fbe8e94b2d

  • \Program Files\CrystalDiskInfo\DiskInfo64.exe

    Filesize

    2.7MB

    MD5

    4d02f1b59c8e224216b2219bd99f9546

    SHA1

    da6bba4a3738263c14d99538be3ddc28d17bdb6f

    SHA256

    7211f990c24732bb70aa9df130745a5a6edd80f6f6fadbfffa1b7b7c3267c19e

    SHA512

    5ac3ca578ce1b369be33deb35529bfc379634c87decc7128396050fe55e4f41aef78c9f8c5fd69dd8a629174758ee0c5617df9800c65d109c41092fbe8e94b2d

  • \Program Files\CrystalDiskInfo\DiskInfo64.exe

    Filesize

    2.7MB

    MD5

    4d02f1b59c8e224216b2219bd99f9546

    SHA1

    da6bba4a3738263c14d99538be3ddc28d17bdb6f

    SHA256

    7211f990c24732bb70aa9df130745a5a6edd80f6f6fadbfffa1b7b7c3267c19e

    SHA512

    5ac3ca578ce1b369be33deb35529bfc379634c87decc7128396050fe55e4f41aef78c9f8c5fd69dd8a629174758ee0c5617df9800c65d109c41092fbe8e94b2d

  • \Users\Admin\AppData\Local\Temp\is-ATHVJ.tmp\CrystalDiskInfo8_17_5.tmp

    Filesize

    3.1MB

    MD5

    1ba538756b5bd8fd4c9296f0cd461a5c

    SHA1

    38bc3f16a7d054ed5368dff5726d16b23580129b

    SHA256

    f946d2ec91242ba4ff46c3e73c1f51f885391f1f56f5689ea973bafcc584a8ae

    SHA512

    fd1effa65a993604894e575b7617d8f32a0eb839fb08f58625c2485795dce369e3cdf15608974d4ff8a09c6867a24861f002f9ceee8d81677220d696b45bedb6

  • memory/324-63-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/324-54-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/2000-89-0x0000000000400000-0x0000000000719000-memory.dmp

    Filesize

    3.1MB

  • memory/2000-65-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2000-64-0x0000000000400000-0x0000000000719000-memory.dmp

    Filesize

    3.1MB

  • memory/2000-622-0x0000000000400000-0x0000000000719000-memory.dmp

    Filesize

    3.1MB

  • memory/2000-62-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB