Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/04/2024, 01:59

General

  • Target
    Infected - Copy.exe
  • Size 63KB
  • Sample240417-cep8eaaf94
  • SHA256 a2f0e4af244f31133cf9a0d50e643e5989792a5b77af1284b94f91f68d318ea7
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • asyncrat

Botnet
  • Default

C2
  • 127.0.0.1:23638

  • 147.185.221.19:23638

  • teen-modes.gl.at.ply.gg:23638

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Renames multiple (1276) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Drops file in Program Files directory 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Infected - Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\Infected - Copy.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4920

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        win32_LinkNoDrop32x32.gif

        • Path C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_LinkNoDrop32x32.gif
        • Size 160B
        • SHA256 3f33e2e41c107915e73fdf440d93e4e6712370621511daffcdcf0df9d42c9c43
        • MD5 SHA1 SHA512

        COPYRIGHT

        • Path C:\Program Files\Java\jre-1.8\COPYRIGHT
        • Size 3KB
        • SHA256 c70b10e950fd6c298745cac4851dfa7eeb53b911adae0b9092ecf6fb5953d598
        • MD5 SHA1 SHA512

        LICENSE

        • Path C:\Program Files\Java\jre-1.8\LICENSE
        • Size 48B
        • SHA256 b5776dfd6ca6b50158c6860551a77a275cc041530beb0520958181f2b1fbdcc1
        • MD5 SHA1 SHA512

        THIRDPARTYLICENSEREADME-JAVAFX.txt

        • Path C:\Program Files\Java\jre-1.8\THIRDPARTYLICENSEREADME-JAVAFX.txt
        • Size 192B
        • SHA256 d434ea16aa8cf4ff55c6c7808529f1d66d0c00dfa9e6ad66b8a1c0df40330fa6
        • MD5 SHA1 SHA512

        THIRDPARTYLICENSEREADME.txt

        • Path C:\Program Files\Java\jre-1.8\THIRDPARTYLICENSEREADME.txt
        • Size 192B
        • SHA256 43540c5c7c98ccc8c0837257cccde006a3b7cb133a008c2c6c4be3467395cb6d
        • MD5 SHA1 SHA512

        directshow.md

        • Path C:\Program Files\Java\jre-1.8\legal\javafx\directshow.md
        • Size 1KB
        • SHA256 c214d9adc6d7c823adb28856201577169b532ea9d7ab2f7b06706fc8129eb19b
        • MD5 SHA1 SHA512

        glib.md

        • Path C:\Program Files\Java\jre-1.8\legal\javafx\glib.md
        • Size 31KB
        • SHA256 4bbdb38b1eb1db690125beab646511049fe6275fcec623fbb055b4fe29f75c1a
        • MD5 SHA1 SHA512 SSDEEP

        gstreamer.md

        • Path C:\Program Files\Java\jre-1.8\legal\javafx\gstreamer.md
        • Size 34KB
        • SHA256 70d127523493f0f25d8b0ed156e6e6370f252e40bf8ff70ed502f07e388e84b4
        • MD5 SHA1 SHA512 SSDEEP

        icu_web.md

        • Path C:\Program Files\Java\jre-1.8\legal\javafx\icu_web.md
        • Size 23KB
        • SHA256 7927cf377467d7edb9a6704cf2805eb1acfc32b5ee3e9b84e9856b598a1cc918
        • MD5 SHA1 SHA512 SSDEEP

        libffi.md

        • Path C:\Program Files\Java\jre-1.8\legal\javafx\libffi.md
        • Size 1KB
        • SHA256 1385198154c332af2edc5d31d031c9329be8547ab442b2d92cc8dcb4889a5394
        • MD5 SHA1 SHA512

        libxslt.md

        • Path C:\Program Files\Java\jre-1.8\legal\javafx\libxslt.md
        • Size 2KB
        • SHA256 ce5abde5ad96a7f1e527d54b567b81a9181ce3db7d8e8497ff8730fb5f38a877
        • MD5 SHA1 SHA512

        public_suffix.md

        • Path C:\Program Files\Java\jre-1.8\legal\javafx\public_suffix.md
        • Size 17KB
        • SHA256 71fa36cb2f853d8bb05f68d59dee9ff8b359f6ff5a79ae5b3914fb01609e5cbc
        • MD5 SHA1 SHA512 SSDEEP

        webkit.md

        • Path C:\Program Files\Java\jre-1.8\legal\javafx\webkit.md
        • Size 320KB
        • SHA256 cef3b4830e75dc7d64f7990f68a902819489daee5125e69e6bdc416ca20b9305
        • MD5 SHA1 SHA512 SSDEEP

        asm.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\asm.md
        • Size 1KB
        • SHA256 bfb299be65af1fcebe0db2a96b3b5d50162e604855ea0299f9033c190eab990c
        • MD5 SHA1 SHA512

        bcel.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\bcel.md
        • Size 10KB
        • SHA256 42102d79ca8861d7e3425d673b8fcf61bb56086380cbaadca9b9e2650672af27
        • MD5 SHA1 SHA512 SSDEEP

        cldr.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\cldr.md
        • Size 3KB
        • SHA256 a56ae5369f257148cd0ef25c5145c3873721000ae53efe80c013ccfed311b08e
        • MD5 SHA1 SHA512

        colorimaging.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\colorimaging.md
        • Size 176B
        • SHA256 949eeb3fa0663ad40665f94c839e15f2d7f5fbd432a3f6ee721fa49b86cc7378
        • MD5 SHA1 SHA512

        cryptix.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\cryptix.md
        • Size 1KB
        • SHA256 1439344f4c8add79e24bf7d220b8869c023d1e426e1b3cebd9cd6aa84074934d
        • MD5 SHA1 SHA512

        dom.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\dom.md
        • Size 3KB
        • SHA256 bd32774b3d7acf4d835b5fcfe5c3b6a75daf0acb8f211c46d62454666ddd821c
        • MD5 SHA1 SHA512

        dynalink.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\dynalink.md
        • Size 1KB
        • SHA256 383c05b498ae5a919cffb9b4a65454ccd07f4fd37a7054c5d86c94119d867fc1
        • MD5 SHA1 SHA512

        ecc.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\ecc.md
        • Size 28KB
        • SHA256 d2af52dabe42d0a49e3d04aadb5dbc597a65e29bd2f5272d2cee80beaa24ca33
        • MD5 SHA1 SHA512 SSDEEP

        freebxml.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\freebxml.md
        • Size 2KB
        • SHA256 076107d8edbe0224b75af1ad011316d8e6e8c563f5bc473a701d77e77977a91a
        • MD5 SHA1 SHA512

        giflib.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\giflib.md
        • Size 1KB
        • SHA256 9112d9c8fa33dcf06d58c836d30bd4c97d01ecf1fb3f2d2050af53ec1ebc8e9f
        • MD5 SHA1 SHA512

        icu.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\icu.md
        • Size 2KB
        • SHA256 ebcd19d401ce52e24f69de17cc01ae3c969792e82fadece8642aa285b31a3b47
        • MD5 SHA1 SHA512

        jcup.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\jcup.md
        • Size 1KB
        • SHA256 73989706419e1b021612defac06472902d0197170ee4a79be915243ae4f66836
        • MD5 SHA1 SHA512

        joni.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\joni.md
        • Size 1KB
        • SHA256 2ae0396ff0de92e11007e2534a42d827d053b632800c2f9617d7329ce391cf28
        • MD5 SHA1 SHA512

        jopt-simple.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\jopt-simple.md
        • Size 1KB
        • SHA256 28b043113c52c4ba22841e6fa9dd6db8e1b4bb524968a3a24fd1f13358992b09
        • MD5 SHA1 SHA512

        jpeg.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\jpeg.md
        • Size 3KB
        • SHA256 350b61d92a7baacf266f25aa8e73fccc2c5bcd4d9e1f64b6efce1703b5b13fed
        • MD5 SHA1 SHA512

        lcms.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\lcms.md
        • Size 2KB
        • SHA256 82131ed9af977183e4a4bf1f96f9e6bd37ec880b0f512feb315dc3998e868a1c
        • MD5 SHA1 SHA512

        libpng.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\libpng.md
        • Size 6KB
        • SHA256 b96fd5edf483a258d77ec38ac3ae9a7432abe7d42549179d3e47f9a9c43787e3
        • MD5 SHA1 SHA512 SSDEEP

        pkcs11cryptotoken.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\pkcs11cryptotoken.md
        • Size 3KB
        • SHA256 96f2c03062693ef093e0a14e0c0a3fbe074828dacae3d215aa1b9daf210786c7
        • MD5 SHA1 SHA512

        pkcs11wrapper.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\pkcs11wrapper.md
        • Size 2KB
        • SHA256 038e88e008c1ad0a8f829fc5122d703f1df7a16c65d363568ab85cb365e14eaa
        • MD5 SHA1 SHA512

        relaxngcc.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\relaxngcc.md
        • Size 2KB
        • SHA256 3811c0d7cbb3d3b55f700140d08fdcd0d051711fec41318cce0bd4c0145edfbe
        • MD5 SHA1 SHA512

        relaxngdatatype.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\relaxngdatatype.md
        • Size 1KB
        • SHA256 45827de0dd3945f5b30b480e509f52faf4078ffb2636e8a0857bbc19401573ce
        • MD5 SHA1 SHA512

        relaxngom.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\relaxngom.md
        • Size 1KB
        • SHA256 ee56434e8696599ea3996827b36be7e64d5e651b698c59b0afdfb4e6290dc3f7
        • MD5 SHA1 SHA512

        santuario.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\santuario.md
        • Size 11KB
        • SHA256 454c70c80fb892f531aa2280c6644f3010351799c8639e6c8f19e90ee06329b4
        • MD5 SHA1 SHA512 SSDEEP

        thaidict.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\thaidict.md
        • Size 1KB
        • SHA256 62cc29834ccbda1373ba48e142fa5792459735491f37d6d68666b2e219f0d61c
        • MD5 SHA1 SHA512

        unicode.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\unicode.md
        • Size 2KB
        • SHA256 c5a56cc94dde7d57be8c37801268b0273fb63244340dc7ee67fb4790e42a5e62
        • MD5 SHA1 SHA512

        xalan.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\xalan.md
        • Size 11KB
        • SHA256 f370b91dbdb0d1f9b93d6d5e62368b06b4d4b060fe95aa4133eba3d47950a898
        • MD5 SHA1 SHA512 SSDEEP

        xerces.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\xerces.md
        • Size 11KB
        • SHA256 077c1fab265c8eb97d4a4100128bd20cdabcb85b1d9c593e1d3f90631df08fff
        • MD5 SHA1 SHA512 SSDEEP

        xmlresolver.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\xmlresolver.md
        • Size 11KB
        • SHA256 42f58adbe5f068bd6fd5bc0f6e658917654ce59f608334c787f618b9a4e9af43
        • MD5 SHA1 SHA512 SSDEEP

        zlib.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\zlib.md
        • Size 1024B
        • SHA256 6931309608a09dfd23b9ed8a5c046d33819bb04fd2dbf6485b261620df9b1717
        • MD5 SHA1 SHA512

        win32_LinkNoDrop32x32.gif

        • Path C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_LinkNoDrop32x32.gif
        • Size 160B
        • SHA256 94d32ac97c593039c79dec43e056189516a2b547df497e56fc298a9def5b7e6a
        • MD5 SHA1 SHA512

        ClientSub2019_eula.txt

        • Path C:\Program Files\Microsoft Office\root\Office16\1033\ClientSub2019_eula.txt
        • Size 48B
        • SHA256 f99982d850eb3e76af1fd0b95480f87787323cee2888700391a92263bac52911
        • MD5 SHA1 SHA512

        WacLangPack2019Eula.txt

        • Path C:\Program Files\Microsoft Office\root\Office16\1033\WacLangPack2019Eula.txt
        • Size 48B
        • SHA256 f750046499dff54c6e721d4cf3f1092c27b202b3073b50d74a3a72d76cd62568
        • MD5 SHA1 SHA512

        vlc.mo

        • Path C:\Program Files\VideoLAN\VLC\locale\da\LC_MESSAGES\vlc.mo
        • Size 584KB
        • SHA256 e805a9b0c587cf056b6c3e63eae893b5e6fb4c38ddd6a0a612f736e2d4903c4f
        • MD5 SHA1 SHA512 SSDEEP

        vlc.mo

        • Path C:\Program Files\VideoLAN\VLC\locale\de\LC_MESSAGES\vlc.mo
        • Size 607KB
        • SHA256 db1ab170fdb817bb4690f11170ce1aafe805ae6bce79234acebffa6e2d839cbb
        • MD5 SHA1 SHA512 SSDEEP

        memory/4920-6-0x00007FFE61CB0000-0x00007FFE62771000-memory.dmp

        memory/4920-0-0x00000000001E0000-0x00000000001F6000-memory.dmp

        memory/4920-5-0x000000001AE60000-0x000000001AE7E000-memory.dmp

        memory/4920-4-0x000000001AE10000-0x000000001AE44000-memory.dmp

        memory/4920-3-0x000000001CCC0000-0x000000001CD36000-memory.dmp

        memory/4920-2-0x000000001AEC0000-0x000000001AED0000-memory.dmp

        memory/4920-1-0x00007FFE61CB0000-0x00007FFE62771000-memory.dmp

        memory/4920-7-0x000000001AEC0000-0x000000001AED0000-memory.dmp

        memory/4920-8-0x000000001E1F0000-0x000000001E5F8000-memory.dmp

        memory/4920-241-0x0000000036600000-0x0000000036ACC000-memory.dmp

        memory/4920-428-0x000000001A540000-0x000000001A572000-memory.dmp

        memory/4920-453-0x000000001AEC0000-0x000000001AED0000-memory.dmp

        memory/4920-3685-0x000000001AEC0000-0x000000001AED0000-memory.dmp