Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    22-10-2023 17:31

General

  • Target

    NEAS.e48f670017b4d8fc84125dd28d2a9cb0.exe

  • Size

    83KB

  • MD5

    e48f670017b4d8fc84125dd28d2a9cb0

  • SHA1

    a24116ba98e46fa244f293d98622022997c21fab

  • SHA256

    acf353e8b93b6260297f06161dd85b52dcf7a36d139164103685e108f546c243

  • SHA512

    5927072a8ea0879ecbf186e3850d136894b6423ea1680ed366fffea70df1754391d6fc9a5da205b01951fdcaa69856575199aa1cd87bade2909fec360dd2c74c

  • SSDEEP

    1536:NDj2d6rnJbJnJBSX1nV1b1N1Il1k1YFI1x1J1MuEqx517Q/1T1Jzct01Nsqnl1RJ:FlnnJBSX1nV1b1N1Il1k1YFI1x1J1Mue

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.e48f670017b4d8fc84125dd28d2a9cb0.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.e48f670017b4d8fc84125dd28d2a9cb0.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      PID:2904

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab5830.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\Tar5862.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • C:\Windows\microsofthelp.exe

    Filesize

    83KB

    MD5

    b31d84318d42824e8c2a94804c45c3e9

    SHA1

    a4897a485f3bbf11e854d7ec33d0d2cedafe6e97

    SHA256

    3e2036c5b409706356273f9c83f93da2d480780d387b95d25fca181290b03586

    SHA512

    93143c619d8cf69990ef42a00b9342eaa4b1bfd4ce75292df42ad99b42bb0f39ed7f8d959f3594366d3a9918954d9a8f083618b846e052aab08b34e4f081962b

  • C:\Windows\microsofthelp.exe

    Filesize

    83KB

    MD5

    b31d84318d42824e8c2a94804c45c3e9

    SHA1

    a4897a485f3bbf11e854d7ec33d0d2cedafe6e97

    SHA256

    3e2036c5b409706356273f9c83f93da2d480780d387b95d25fca181290b03586

    SHA512

    93143c619d8cf69990ef42a00b9342eaa4b1bfd4ce75292df42ad99b42bb0f39ed7f8d959f3594366d3a9918954d9a8f083618b846e052aab08b34e4f081962b

  • C:\Windows\microsofthelp.exe

    Filesize

    83KB

    MD5

    b31d84318d42824e8c2a94804c45c3e9

    SHA1

    a4897a485f3bbf11e854d7ec33d0d2cedafe6e97

    SHA256

    3e2036c5b409706356273f9c83f93da2d480780d387b95d25fca181290b03586

    SHA512

    93143c619d8cf69990ef42a00b9342eaa4b1bfd4ce75292df42ad99b42bb0f39ed7f8d959f3594366d3a9918954d9a8f083618b846e052aab08b34e4f081962b

  • memory/2380-0-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2380-6-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2380-7-0x0000000000020000-0x000000000002C000-memory.dmp

    Filesize

    48KB

  • memory/2904-9-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2904-13-0x0000000010000000-0x0000000010005000-memory.dmp

    Filesize

    20KB

  • memory/2904-63-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2904-71-0x0000000010000000-0x0000000010005000-memory.dmp

    Filesize

    20KB