Analysis

  • max time kernel
    44s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2022 18:20

General

  • Target

    915414113bb65a00faebb46f147e7a1ba14a0a9c8b11f139bdc9f41dccb3a43e.exe

  • Size

    52KB

  • MD5

    d5c51c074723a1a26101973e6a01254d

  • SHA1

    52cb12a0ca37297478f14d11072a922ec4a41195

  • SHA256

    915414113bb65a00faebb46f147e7a1ba14a0a9c8b11f139bdc9f41dccb3a43e

  • SHA512

    748b890f02805bbd9cf8289245ea7331356ef157b9910781c69116a4935cd7aecf479d349dff779706e4a4ade799f6914e582a025571e0cc140d6f31f6f10fb8

  • SSDEEP

    1536:gExDPQ9l3ky88x8vTJJ16mQhfWrTflItYtb:VxE9BkX8evTJJmsTflItYtb

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\915414113bb65a00faebb46f147e7a1ba14a0a9c8b11f139bdc9f41dccb3a43e.exe
    "C:\Users\Admin\AppData\Local\Temp\915414113bb65a00faebb46f147e7a1ba14a0a9c8b11f139bdc9f41dccb3a43e.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Program Files (x86)\Optimize\main.exe
      "C:\Program Files (x86)\Optimize\main.exe" "C:\Program Files (x86)\Messenger\messenger.kvh"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:900

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Messenger\messenger.kvh

    Filesize

    10KB

    MD5

    147add3dfd6e3e636e7756c674dead4b

    SHA1

    aa50f047f5d41086a9fad12ba1149a4e7d4fd6ad

    SHA256

    7ca5d56eb7433065bef86e42cc32fc9c222708ca9dd448da5b6a8c09f06e183f

    SHA512

    20eded712e509e439553ec752c62f5d157e6402fe2e2a09377cb59dea2c68aabdc6567a95790cd235d47799e9397f0abb6c028e9ede5dfae45cc945843baa650

  • C:\Program Files (x86)\Optimize\main.exe

    Filesize

    138KB

    MD5

    d1ab72db2bedd2f255d35da3da0d4b16

    SHA1

    860265276b29b42b8c4b077e5c651def9c81b6e9

    SHA256

    047f3c5a7ab0ea05f35b2ca8037bf62dd4228786d07707064dbd0d46569305d0

    SHA512

    b46830742eebc85e731c14f7dc72cc6734fcc79aab46f6080c95589c438c4cca0a069027badc0a8a78e4deeb31cdf38df3d63db679b793212a32efdad7bb8185

  • C:\Program Files (x86)\Optimize\main.exe

    Filesize

    138KB

    MD5

    d1ab72db2bedd2f255d35da3da0d4b16

    SHA1

    860265276b29b42b8c4b077e5c651def9c81b6e9

    SHA256

    047f3c5a7ab0ea05f35b2ca8037bf62dd4228786d07707064dbd0d46569305d0

    SHA512

    b46830742eebc85e731c14f7dc72cc6734fcc79aab46f6080c95589c438c4cca0a069027badc0a8a78e4deeb31cdf38df3d63db679b793212a32efdad7bb8185

  • \Program Files (x86)\Optimize\main.exe

    Filesize

    138KB

    MD5

    d1ab72db2bedd2f255d35da3da0d4b16

    SHA1

    860265276b29b42b8c4b077e5c651def9c81b6e9

    SHA256

    047f3c5a7ab0ea05f35b2ca8037bf62dd4228786d07707064dbd0d46569305d0

    SHA512

    b46830742eebc85e731c14f7dc72cc6734fcc79aab46f6080c95589c438c4cca0a069027badc0a8a78e4deeb31cdf38df3d63db679b793212a32efdad7bb8185

  • \Program Files (x86)\Optimize\main.exe

    Filesize

    138KB

    MD5

    d1ab72db2bedd2f255d35da3da0d4b16

    SHA1

    860265276b29b42b8c4b077e5c651def9c81b6e9

    SHA256

    047f3c5a7ab0ea05f35b2ca8037bf62dd4228786d07707064dbd0d46569305d0

    SHA512

    b46830742eebc85e731c14f7dc72cc6734fcc79aab46f6080c95589c438c4cca0a069027badc0a8a78e4deeb31cdf38df3d63db679b793212a32efdad7bb8185

  • \Program Files (x86)\Optimize\main.exe

    Filesize

    138KB

    MD5

    d1ab72db2bedd2f255d35da3da0d4b16

    SHA1

    860265276b29b42b8c4b077e5c651def9c81b6e9

    SHA256

    047f3c5a7ab0ea05f35b2ca8037bf62dd4228786d07707064dbd0d46569305d0

    SHA512

    b46830742eebc85e731c14f7dc72cc6734fcc79aab46f6080c95589c438c4cca0a069027badc0a8a78e4deeb31cdf38df3d63db679b793212a32efdad7bb8185

  • \Program Files (x86)\Optimize\main.exe

    Filesize

    138KB

    MD5

    d1ab72db2bedd2f255d35da3da0d4b16

    SHA1

    860265276b29b42b8c4b077e5c651def9c81b6e9

    SHA256

    047f3c5a7ab0ea05f35b2ca8037bf62dd4228786d07707064dbd0d46569305d0

    SHA512

    b46830742eebc85e731c14f7dc72cc6734fcc79aab46f6080c95589c438c4cca0a069027badc0a8a78e4deeb31cdf38df3d63db679b793212a32efdad7bb8185

  • \Program Files (x86)\Optimize\main.exe

    Filesize

    138KB

    MD5

    d1ab72db2bedd2f255d35da3da0d4b16

    SHA1

    860265276b29b42b8c4b077e5c651def9c81b6e9

    SHA256

    047f3c5a7ab0ea05f35b2ca8037bf62dd4228786d07707064dbd0d46569305d0

    SHA512

    b46830742eebc85e731c14f7dc72cc6734fcc79aab46f6080c95589c438c4cca0a069027badc0a8a78e4deeb31cdf38df3d63db679b793212a32efdad7bb8185

  • memory/900-57-0x0000000000000000-mapping.dmp

  • memory/1200-54-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

    Filesize

    8KB