Analysis

  • max time kernel
    20s
  • max time network
    29s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    22-10-2023 17:32

General

  • Target

    NEAS.f0d0ab5855bb495d99d1e138ae4896b0.exe

  • Size

    127KB

  • MD5

    f0d0ab5855bb495d99d1e138ae4896b0

  • SHA1

    5d5e8774da0556029e48d3ba2142a7d02109abf5

  • SHA256

    50d0e02307b3ba6d83bd28efb935b37c4f4dc7edb1b8e9cbdb3082d241a1e7b4

  • SHA512

    ae5854b4ce92395c7d656f6ff97b9e831327e0fded2a98d78d858d9cac373fa0851d2084db94375c2924407e979e30e3f7e7abd590196bcb02ac3d2820bfd692

  • SSDEEP

    3072:dOjWuyt0ZHqsXOKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3rnXLHf7zjPPL:dIH9OKofHfHTXQLzgvnzHPowYbvrjD/O

Score
7/10

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 3 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Maps connected drives based on registry 3 TTPs 6 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Modifies registry class 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.f0d0ab5855bb495d99d1e138ae4896b0.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.f0d0ab5855bb495d99d1e138ae4896b0.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2640
      • C:\Windows\SysWOW64\smnss.exe
        C:\Windows\system32\smnss.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Maps connected drives based on registry
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        PID:2644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    fb3fab393053e61a1261ac0bd205eae6

    SHA1

    c7c9284c8101005615fe0e05d86cd9aae72b5685

    SHA256

    0eb99ffc7d209e1d7b24360f890b105300081e8125c4fb74bbd1f821ee43c68a

    SHA512

    b880c98aad85c9e37422fba0943fc31e23a99d63f9ea77cdaaa34ab6da254a315a6be2bba06534c781d26471aed012462df6916914a6816de4e110425134a79c

  • C:\Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    fb3fab393053e61a1261ac0bd205eae6

    SHA1

    c7c9284c8101005615fe0e05d86cd9aae72b5685

    SHA256

    0eb99ffc7d209e1d7b24360f890b105300081e8125c4fb74bbd1f821ee43c68a

    SHA512

    b880c98aad85c9e37422fba0943fc31e23a99d63f9ea77cdaaa34ab6da254a315a6be2bba06534c781d26471aed012462df6916914a6816de4e110425134a79c

  • C:\Windows\SysWOW64\grcopy.dll

    Filesize

    127KB

    MD5

    7cd16d8e202984f620fb72ac834575bd

    SHA1

    042d99f9c75bca002506ad5941b39c301904879b

    SHA256

    0e0d7a58f402943d76a9e276f474b1e0cf317a3f0afe5e797503bdafd4459c83

    SHA512

    7c54cf4788ee0a1fe1afb9a8ff4b4358b72dcac67846979640806ebe0991eece2ec10ea6b302633cf5fde18f5692d62599a4e8aef90decf005ed2336748c7a32

  • C:\Windows\SysWOW64\satornas.dll

    Filesize

    183B

    MD5

    a680366350f8d9ed543c5e97a27142a5

    SHA1

    85a79b911590af13647564425318ddb4cc7a801d

    SHA256

    31ab8be58346c589c62f6aa288cfd68f1c429561c7359a6f81f2878bfcdda5a9

    SHA512

    bfe0b094248d1aceaa5a94678aca143da2e3c235afca0ebe0416f9dd9aaa4928cb119b9741061bc6f635ec7edf9c54808d4d35f27fae0e6049570f995414c0ca

  • C:\Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    662293bad46c986464b208f0acc3197c

    SHA1

    11f70dcf703f269392ee4efa6fc8ffb0293e3128

    SHA256

    ab93f940bc3a58737c23612917c5932586609691bf23ba74d6443b576a9eb9db

    SHA512

    e35e49991f10fd034cbcbb28a0bac036d7d8b45ed8841bf257668799945e87b2d0c2fc2f2dc3cd321ecb6d35d2058ff1754f450af1b990cb581cccd65ad7728e

  • C:\Windows\SysWOW64\smnss.exe

    Filesize

    127KB

    MD5

    7cd16d8e202984f620fb72ac834575bd

    SHA1

    042d99f9c75bca002506ad5941b39c301904879b

    SHA256

    0e0d7a58f402943d76a9e276f474b1e0cf317a3f0afe5e797503bdafd4459c83

    SHA512

    7c54cf4788ee0a1fe1afb9a8ff4b4358b72dcac67846979640806ebe0991eece2ec10ea6b302633cf5fde18f5692d62599a4e8aef90decf005ed2336748c7a32

  • C:\Windows\SysWOW64\smnss.exe

    Filesize

    127KB

    MD5

    7cd16d8e202984f620fb72ac834575bd

    SHA1

    042d99f9c75bca002506ad5941b39c301904879b

    SHA256

    0e0d7a58f402943d76a9e276f474b1e0cf317a3f0afe5e797503bdafd4459c83

    SHA512

    7c54cf4788ee0a1fe1afb9a8ff4b4358b72dcac67846979640806ebe0991eece2ec10ea6b302633cf5fde18f5692d62599a4e8aef90decf005ed2336748c7a32

  • \Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    fb3fab393053e61a1261ac0bd205eae6

    SHA1

    c7c9284c8101005615fe0e05d86cd9aae72b5685

    SHA256

    0eb99ffc7d209e1d7b24360f890b105300081e8125c4fb74bbd1f821ee43c68a

    SHA512

    b880c98aad85c9e37422fba0943fc31e23a99d63f9ea77cdaaa34ab6da254a315a6be2bba06534c781d26471aed012462df6916914a6816de4e110425134a79c

  • \Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    fb3fab393053e61a1261ac0bd205eae6

    SHA1

    c7c9284c8101005615fe0e05d86cd9aae72b5685

    SHA256

    0eb99ffc7d209e1d7b24360f890b105300081e8125c4fb74bbd1f821ee43c68a

    SHA512

    b880c98aad85c9e37422fba0943fc31e23a99d63f9ea77cdaaa34ab6da254a315a6be2bba06534c781d26471aed012462df6916914a6816de4e110425134a79c

  • \Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    662293bad46c986464b208f0acc3197c

    SHA1

    11f70dcf703f269392ee4efa6fc8ffb0293e3128

    SHA256

    ab93f940bc3a58737c23612917c5932586609691bf23ba74d6443b576a9eb9db

    SHA512

    e35e49991f10fd034cbcbb28a0bac036d7d8b45ed8841bf257668799945e87b2d0c2fc2f2dc3cd321ecb6d35d2058ff1754f450af1b990cb581cccd65ad7728e

  • \Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    662293bad46c986464b208f0acc3197c

    SHA1

    11f70dcf703f269392ee4efa6fc8ffb0293e3128

    SHA256

    ab93f940bc3a58737c23612917c5932586609691bf23ba74d6443b576a9eb9db

    SHA512

    e35e49991f10fd034cbcbb28a0bac036d7d8b45ed8841bf257668799945e87b2d0c2fc2f2dc3cd321ecb6d35d2058ff1754f450af1b990cb581cccd65ad7728e

  • \Windows\SysWOW64\smnss.exe

    Filesize

    127KB

    MD5

    7cd16d8e202984f620fb72ac834575bd

    SHA1

    042d99f9c75bca002506ad5941b39c301904879b

    SHA256

    0e0d7a58f402943d76a9e276f474b1e0cf317a3f0afe5e797503bdafd4459c83

    SHA512

    7c54cf4788ee0a1fe1afb9a8ff4b4358b72dcac67846979640806ebe0991eece2ec10ea6b302633cf5fde18f5692d62599a4e8aef90decf005ed2336748c7a32

  • \Windows\SysWOW64\smnss.exe

    Filesize

    127KB

    MD5

    7cd16d8e202984f620fb72ac834575bd

    SHA1

    042d99f9c75bca002506ad5941b39c301904879b

    SHA256

    0e0d7a58f402943d76a9e276f474b1e0cf317a3f0afe5e797503bdafd4459c83

    SHA512

    7c54cf4788ee0a1fe1afb9a8ff4b4358b72dcac67846979640806ebe0991eece2ec10ea6b302633cf5fde18f5692d62599a4e8aef90decf005ed2336748c7a32

  • memory/1976-12-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/1976-25-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/1976-0-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/1976-26-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/1976-18-0x0000000000340000-0x0000000000349000-memory.dmp

    Filesize

    36KB

  • memory/2640-31-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2640-28-0x0000000000320000-0x0000000000341000-memory.dmp

    Filesize

    132KB

  • memory/2644-34-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/2644-39-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2644-41-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/2644-42-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB