Windows 7 deprecation

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Analysis

  • max time kernel
    145s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    21/10/2023, 21:20

General

  • Target

    NEAS.54cfe95e8879c2634882f0727dc6fe10.exe

  • Size

    118KB

  • MD5

    54cfe95e8879c2634882f0727dc6fe10

  • SHA1

    a94e97f322fa435c4ce08896491143d50720e43f

  • SHA256

    cea69bdbc50beb7c92c811acd3ec8134186e629ace3317c96c548e1de1b2125d

  • SHA512

    51b24609a402f045e36137d9618527fcf2384aa3ea1d64ae8ade36a87e609243d8aed1de8000ca8faec00a8ff2e40f99e08af472c4d72977e6e0c396541f0f5e

  • SSDEEP

    3072:+OjWuyt0ZsqsXOKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3rnXLHf7zjPPb:+Is9OKofHfHTXQLzgvnzHPowYbvrjD/m

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 9 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
  • Program crash 1 IoCs
  • Modifies registry class 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.54cfe95e8879c2634882f0727dc6fe10.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.54cfe95e8879c2634882f0727dc6fe10.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:2656
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2664
      • 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
        • Suspicious use of WriteProcessMemory
        PID:2824
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 804
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    1952b0b2b21b72b31be872208ab14f81

    SHA1

    e426d633afb191e6e55341aa423f9cbc558b816e

    SHA256

    c165ba86896da506566612e1f2fe01a44564aac8c19a0857be4bb1dbc680829c

    SHA512

    4a167d998f47ac23d71b51aeeb84ae0c00220d6394b650d079e0e35b788c38b738dba6b407c54c38c5689d1e572d4f541f02b878de1b516d2dd89abea4a13360

  • C:\Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    1952b0b2b21b72b31be872208ab14f81

    SHA1

    e426d633afb191e6e55341aa423f9cbc558b816e

    SHA256

    c165ba86896da506566612e1f2fe01a44564aac8c19a0857be4bb1dbc680829c

    SHA512

    4a167d998f47ac23d71b51aeeb84ae0c00220d6394b650d079e0e35b788c38b738dba6b407c54c38c5689d1e572d4f541f02b878de1b516d2dd89abea4a13360

  • C:\Windows\SysWOW64\grcopy.dll

    Filesize

    118KB

    MD5

    89793206b21468095233c5e731f8ed1b

    SHA1

    3920744d81d77bfcc57358893726b84caa69622e

    SHA256

    effa1a6fe41091413d02f7eaf451809fe26155211ea1e888ca1ae6f963768c3b

    SHA512

    7767cb82d79237d9d4499511117fdc2a20b941d73a41d3341d308aa514aa477eb5ff1b8aba0b206bb85dc06d3c091f341e5056f036251148ebadc41ecf3a4071

  • C:\Windows\SysWOW64\satornas.dll

    Filesize

    183B

    MD5

    d4826ad3530c6aa9359cb83feade7d0c

    SHA1

    65c25bc34440f5248c310b2fef369eb432c64f1d

    SHA256

    8b6864c75b6dbe730edaf8752373876d8597d614ad611de7fe76af87e75cfc73

    SHA512

    252ea1725c0b5ea372fe6fdd600182a75daa4e2e72d4a04c3ea4613a146eeea7c5dd7ddbf7d9741f03aa83693755125329771f93aa440f9889ca6e6e4ce0c43c

  • C:\Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    64baa1c453f39ddc8b54d6d22f24636b

    SHA1

    a7da53d83eaf4a4f0d14d06d57d7e22d49d5340f

    SHA256

    2e50a6b121f4c1efe364a2149d815f0ce78e94ef594163ea6b0512a5b7bbc6d6

    SHA512

    b5779f35bc01947ec35bc2a7c3b59c4158feca27f2608a29b4d76e23969b425848cdc5b76293ed6345a0020e7967215c0c275ce60992fd665ff51524888f58bd

  • C:\Windows\SysWOW64\smnss.exe

    Filesize

    118KB

    MD5

    89793206b21468095233c5e731f8ed1b

    SHA1

    3920744d81d77bfcc57358893726b84caa69622e

    SHA256

    effa1a6fe41091413d02f7eaf451809fe26155211ea1e888ca1ae6f963768c3b

    SHA512

    7767cb82d79237d9d4499511117fdc2a20b941d73a41d3341d308aa514aa477eb5ff1b8aba0b206bb85dc06d3c091f341e5056f036251148ebadc41ecf3a4071

  • C:\Windows\SysWOW64\smnss.exe

    Filesize

    118KB

    MD5

    89793206b21468095233c5e731f8ed1b

    SHA1

    3920744d81d77bfcc57358893726b84caa69622e

    SHA256

    effa1a6fe41091413d02f7eaf451809fe26155211ea1e888ca1ae6f963768c3b

    SHA512

    7767cb82d79237d9d4499511117fdc2a20b941d73a41d3341d308aa514aa477eb5ff1b8aba0b206bb85dc06d3c091f341e5056f036251148ebadc41ecf3a4071

  • \Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    1952b0b2b21b72b31be872208ab14f81

    SHA1

    e426d633afb191e6e55341aa423f9cbc558b816e

    SHA256

    c165ba86896da506566612e1f2fe01a44564aac8c19a0857be4bb1dbc680829c

    SHA512

    4a167d998f47ac23d71b51aeeb84ae0c00220d6394b650d079e0e35b788c38b738dba6b407c54c38c5689d1e572d4f541f02b878de1b516d2dd89abea4a13360

  • \Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    1952b0b2b21b72b31be872208ab14f81

    SHA1

    e426d633afb191e6e55341aa423f9cbc558b816e

    SHA256

    c165ba86896da506566612e1f2fe01a44564aac8c19a0857be4bb1dbc680829c

    SHA512

    4a167d998f47ac23d71b51aeeb84ae0c00220d6394b650d079e0e35b788c38b738dba6b407c54c38c5689d1e572d4f541f02b878de1b516d2dd89abea4a13360

  • \Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    64baa1c453f39ddc8b54d6d22f24636b

    SHA1

    a7da53d83eaf4a4f0d14d06d57d7e22d49d5340f

    SHA256

    2e50a6b121f4c1efe364a2149d815f0ce78e94ef594163ea6b0512a5b7bbc6d6

    SHA512

    b5779f35bc01947ec35bc2a7c3b59c4158feca27f2608a29b4d76e23969b425848cdc5b76293ed6345a0020e7967215c0c275ce60992fd665ff51524888f58bd

  • \Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    64baa1c453f39ddc8b54d6d22f24636b

    SHA1

    a7da53d83eaf4a4f0d14d06d57d7e22d49d5340f

    SHA256

    2e50a6b121f4c1efe364a2149d815f0ce78e94ef594163ea6b0512a5b7bbc6d6

    SHA512

    b5779f35bc01947ec35bc2a7c3b59c4158feca27f2608a29b4d76e23969b425848cdc5b76293ed6345a0020e7967215c0c275ce60992fd665ff51524888f58bd

  • \Windows\SysWOW64\smnss.exe

    Filesize

    118KB

    MD5

    89793206b21468095233c5e731f8ed1b

    SHA1

    3920744d81d77bfcc57358893726b84caa69622e

    SHA256

    effa1a6fe41091413d02f7eaf451809fe26155211ea1e888ca1ae6f963768c3b

    SHA512

    7767cb82d79237d9d4499511117fdc2a20b941d73a41d3341d308aa514aa477eb5ff1b8aba0b206bb85dc06d3c091f341e5056f036251148ebadc41ecf3a4071

  • \Windows\SysWOW64\smnss.exe

    Filesize

    118KB

    MD5

    89793206b21468095233c5e731f8ed1b

    SHA1

    3920744d81d77bfcc57358893726b84caa69622e

    SHA256

    effa1a6fe41091413d02f7eaf451809fe26155211ea1e888ca1ae6f963768c3b

    SHA512

    7767cb82d79237d9d4499511117fdc2a20b941d73a41d3341d308aa514aa477eb5ff1b8aba0b206bb85dc06d3c091f341e5056f036251148ebadc41ecf3a4071

  • \Windows\SysWOW64\smnss.exe

    Filesize

    118KB

    MD5

    89793206b21468095233c5e731f8ed1b

    SHA1

    3920744d81d77bfcc57358893726b84caa69622e

    SHA256

    effa1a6fe41091413d02f7eaf451809fe26155211ea1e888ca1ae6f963768c3b

    SHA512

    7767cb82d79237d9d4499511117fdc2a20b941d73a41d3341d308aa514aa477eb5ff1b8aba0b206bb85dc06d3c091f341e5056f036251148ebadc41ecf3a4071

  • \Windows\SysWOW64\smnss.exe

    Filesize

    118KB

    MD5

    89793206b21468095233c5e731f8ed1b

    SHA1

    3920744d81d77bfcc57358893726b84caa69622e

    SHA256

    effa1a6fe41091413d02f7eaf451809fe26155211ea1e888ca1ae6f963768c3b

    SHA512

    7767cb82d79237d9d4499511117fdc2a20b941d73a41d3341d308aa514aa477eb5ff1b8aba0b206bb85dc06d3c091f341e5056f036251148ebadc41ecf3a4071

  • \Windows\SysWOW64\smnss.exe

    Filesize

    118KB

    MD5

    89793206b21468095233c5e731f8ed1b

    SHA1

    3920744d81d77bfcc57358893726b84caa69622e

    SHA256

    effa1a6fe41091413d02f7eaf451809fe26155211ea1e888ca1ae6f963768c3b

    SHA512

    7767cb82d79237d9d4499511117fdc2a20b941d73a41d3341d308aa514aa477eb5ff1b8aba0b206bb85dc06d3c091f341e5056f036251148ebadc41ecf3a4071

  • memory/2656-0-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2656-23-0x0000000000340000-0x0000000000349000-memory.dmp

    Filesize

    36KB

  • memory/2656-18-0x0000000000340000-0x0000000000349000-memory.dmp

    Filesize

    36KB

  • memory/2656-12-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2656-25-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2656-28-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2664-27-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2824-35-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2824-40-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2824-45-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2824-46-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB