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Analysis

  • max time kernel
    167s
  • max time network
    197s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    13/10/2023, 20:43

General

  • Target

    NEAS.d4527d5890cd52c81a1c4d8365aacd60.exe

  • Size

    70KB

  • MD5

    d4527d5890cd52c81a1c4d8365aacd60

  • SHA1

    3896da469f7fa84a16c2fb12c9902a49c06eea4b

  • SHA256

    ec00a06be0873cc6cd634521df8b98c270cee73f7fe27e0c8af99fa6fc30fdee

  • SHA512

    0ab87bf374896544f79d095192cea164c7f2ff2966ec0b5c423ffaf28ad554fb35d80831c02f871467ab3edfdefc0f45971089b433825f60eb37235a149e948b

  • SSDEEP

    1536:WZFJTafg3hnfq4yyFB1iRT9bPKzvcOZ70AKgAr:2FGgRfqI8

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.d4527d5890cd52c81a1c4d8365aacd60.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.d4527d5890cd52c81a1c4d8365aacd60.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2732
    • C:\Users\Admin\AppData\Local\Temp\retro.exe
      "C:\Users\Admin\AppData\Local\Temp\retro.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:1224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    d5b8bfb67c1e9b49f4e95c73ddc17f2f

    SHA1

    46388ac432fc0c620c57bfe34d240e8be8be28eb

    SHA256

    45c778beb6e398b4113d92f5120d8e0273b8888888020d8261e328d7d16b94f5

    SHA512

    c47f4350a6312647b1f58cffc2a5d7e0635a330673ebea8ba4863869e95c0b3b83e98f26d6fb163d6df031759d76fb1d30d70a1d75cd1b9e96d1d17a433fa07c

  • C:\Users\Admin\AppData\Local\Temp\Cab26A5.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\Tar26C7.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • C:\Users\Admin\AppData\Local\Temp\retro.exe

    Filesize

    71KB

    MD5

    8e11a21dd6e2c5fe92ad0a1af0d69976

    SHA1

    5f1ab3525c0c7d019727ddde4eadbbbfbb2dd2c4

    SHA256

    a2ea4f35a39ce0281ac8c4465a937da844ef1fcd398cc5f6c5f5b5617dbc469f

    SHA512

    e67307225d4741b39727fcf2d68a4dadeb3388bfac320b946a3b92cbb515c94430b7b6fa8b27ce46506ddb2db7f9eb10c40bb00d7ff4615711b6c08b8248da36

  • C:\Users\Admin\AppData\Local\Temp\retro.exe

    Filesize

    71KB

    MD5

    8e11a21dd6e2c5fe92ad0a1af0d69976

    SHA1

    5f1ab3525c0c7d019727ddde4eadbbbfbb2dd2c4

    SHA256

    a2ea4f35a39ce0281ac8c4465a937da844ef1fcd398cc5f6c5f5b5617dbc469f

    SHA512

    e67307225d4741b39727fcf2d68a4dadeb3388bfac320b946a3b92cbb515c94430b7b6fa8b27ce46506ddb2db7f9eb10c40bb00d7ff4615711b6c08b8248da36

  • \Users\Admin\AppData\Local\Temp\retro.exe

    Filesize

    71KB

    MD5

    8e11a21dd6e2c5fe92ad0a1af0d69976

    SHA1

    5f1ab3525c0c7d019727ddde4eadbbbfbb2dd2c4

    SHA256

    a2ea4f35a39ce0281ac8c4465a937da844ef1fcd398cc5f6c5f5b5617dbc469f

    SHA512

    e67307225d4741b39727fcf2d68a4dadeb3388bfac320b946a3b92cbb515c94430b7b6fa8b27ce46506ddb2db7f9eb10c40bb00d7ff4615711b6c08b8248da36

  • memory/1224-26-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/1224-18-0x0000000000360000-0x0000000000366000-memory.dmp

    Filesize

    24KB

  • memory/1224-27-0x0000000000360000-0x0000000000366000-memory.dmp

    Filesize

    24KB

  • memory/2732-10-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2732-0-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2732-3-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/2732-2-0x00000000002E0000-0x00000000002E6000-memory.dmp

    Filesize

    24KB

  • memory/2732-1-0x00000000002E0000-0x00000000002E6000-memory.dmp

    Filesize

    24KB