Analysis

  • max time kernel
    600s
  • max time network
    866s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    13-06-2024 18:08

General

  • Target

    GRB-v0.37.xml

  • Size

    230KB

  • MD5

    d156ec9f8d42d45455a8e0435a66cddd

  • SHA1

    c29a752508cc2256d928bd822d538135fc708bee

  • SHA256

    19551ba8b5e2a076dffb3f3df9d111b8d0ddcb8b1beead46a546352146b8f113

  • SHA512

    09281c653ace587383cba77c160d8d5fdf143bc6c4fd66065818c8d3c4e394b37e67987e657a69cfe3e93ca92bc1aa481ea4485929297639b3b8801d83840f92

  • SSDEEP

    1536:lI3zdFeSOY4LPhl/JkQO4fZ2rppvINR15lx5ZSn9q59bB53U5hRux3s6peb:IdFeSOY4Nk+grTvCgs32b

Score
1/10

Malware Config

Signatures

  • Modifies Internet Explorer settings 1 TTPs 54 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX64\Microsoft Shared\Office16\MSOXMLED.EXE
    "C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX64\Microsoft Shared\Office16\MSOXMLED.EXE" /verb open "C:\Users\Admin\AppData\Local\Temp\GRB-v0.37.xml"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4296
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\GRB-v0.37.xml
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3880
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3880 CREDAT:82945 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:4552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157

    Filesize

    4KB

    MD5

    1bfe591a4fe3d91b03cdf26eaacd8f89

    SHA1

    719c37c320f518ac168c86723724891950911cea

    SHA256

    9cf94355051bf0f4a45724ca20d1cc02f76371b963ab7d1e38bd8997737b13d8

    SHA512

    02f88da4b610678c31664609bcfa9d61db8d0b0617649981af948f670f41a6207b4ec19fecce7385a24e0c609cbbf3f2b79a8acaf09a03c2c432cc4dce75e9db

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    471B

    MD5

    687cdb0eea2dfeceaa4a040cf3a968c4

    SHA1

    5d295464506c340d08aef94d9b97aaa985c4356c

    SHA256

    8a8db8d7e0e0fec7a89e599fd742586ec2ffc6dc999ffd150a375548f32332a5

    SHA512

    707ca7968046b8999cb0b7742bf86894b639d8d5c27be7233a222e8a14375dccfb30e65df54fd7b8f9bfdbb7f917fc7ef27fb0fc2e9a4b41e9884b38ec432a5b

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157

    Filesize

    338B

    MD5

    d33b575fe7f740a3b6b33d96ff85b600

    SHA1

    2e32ccd46c3b184fb48907aa2d4b6fd3fa51ab6c

    SHA256

    ec0d1b04484c24edb38698559710b37399f23d7632c932cb9a8bb5aa47d192b5

    SHA512

    5c34846869e1c51783108845ee5205c88e6b94285626eba380632b666268f73e7d2ddb6e94d884afa895fb91f34c20b1402afe82833746c31d66eff1c817fdee

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    404B

    MD5

    e440ddfcb9f7a033c51aecc116b5bc19

    SHA1

    2362b25e272cf28e6d67d01b76254fe9de0688d1

    SHA256

    3bbd8fbf86a6338ae205a8e30850742fbd996f29b2e49a60039454da3da18f9d

    SHA512

    078c764905aa938428ec45af778e1f3b7c9cfc738731260e8acf0b21e3835e4ebca4f54a9047f28ee6bcf142c83ea237e63321d70b46076038347902c2398f5f

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verDDAE.tmp

    Filesize

    15KB

    MD5

    1a545d0052b581fbb2ab4c52133846bc

    SHA1

    62f3266a9b9925cd6d98658b92adec673cbe3dd3

    SHA256

    557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

    SHA512

    bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\IOKXFE4P\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\N44DV0GD.cookie

    Filesize

    545B

    MD5

    2c21d4702afd4b610612c7b3cb435b91

    SHA1

    4b1714f06b5c86994cfc03cd3c7dc2b4f2bdcc70

    SHA256

    7b2fe4f84a7e51602dc32f4d71b474979776fb181283b3bd2a4ad6c3e66a709f

    SHA512

    eace63155b67ab17b02faebe158988429311e60cb03b6f5f6a8d245e4cb671df1ed7dc2ec88bea27175c790f7acfd93985596c4c12b6634542ae0105cce2cac1

  • memory/4296-7-0x00007FFD8B8A0000-0x00007FFD8BA7B000-memory.dmp

    Filesize

    1.9MB

  • memory/4296-13-0x00007FFD4B930000-0x00007FFD4B940000-memory.dmp

    Filesize

    64KB

  • memory/4296-9-0x00007FFD8B8A0000-0x00007FFD8BA7B000-memory.dmp

    Filesize

    1.9MB

  • memory/4296-11-0x00007FFD8B8A0000-0x00007FFD8BA7B000-memory.dmp

    Filesize

    1.9MB

  • memory/4296-10-0x00007FFD8B8A0000-0x00007FFD8BA7B000-memory.dmp

    Filesize

    1.9MB

  • memory/4296-17-0x00007FFD8B8A0000-0x00007FFD8BA7B000-memory.dmp

    Filesize

    1.9MB

  • memory/4296-16-0x00007FFD8B8A0000-0x00007FFD8BA7B000-memory.dmp

    Filesize

    1.9MB

  • memory/4296-15-0x00007FFD4B930000-0x00007FFD4B940000-memory.dmp

    Filesize

    64KB

  • memory/4296-14-0x00007FFD4B930000-0x00007FFD4B940000-memory.dmp

    Filesize

    64KB

  • memory/4296-8-0x00007FFD8B8A0000-0x00007FFD8BA7B000-memory.dmp

    Filesize

    1.9MB

  • memory/4296-12-0x00007FFD4B930000-0x00007FFD4B940000-memory.dmp

    Filesize

    64KB

  • memory/4296-6-0x00007FFD8B8A0000-0x00007FFD8BA7B000-memory.dmp

    Filesize

    1.9MB

  • memory/4296-0-0x00007FFD4B930000-0x00007FFD4B940000-memory.dmp

    Filesize

    64KB

  • memory/4296-5-0x00007FFD8B8A0000-0x00007FFD8BA7B000-memory.dmp

    Filesize

    1.9MB

  • memory/4296-4-0x00007FFD4B930000-0x00007FFD4B940000-memory.dmp

    Filesize

    64KB

  • memory/4296-2-0x00007FFD8B945000-0x00007FFD8B946000-memory.dmp

    Filesize

    4KB

  • memory/4296-3-0x00007FFD4B930000-0x00007FFD4B940000-memory.dmp

    Filesize

    64KB

  • memory/4296-1-0x00007FFD4B930000-0x00007FFD4B940000-memory.dmp

    Filesize

    64KB