Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/05/2024, 01:00

General

  • Target
    967fd71cc83c08eb46c7201fccaf55f33d514c1dbeb022c718b1c31f6a328e0c.exe
  • Size 127KB
  • Sample240525-bcz46agh7v
  • SHA256 967fd71cc83c08eb46c7201fccaf55f33d514c1dbeb022c718b1c31f6a328e0c
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Renames multiple (5362) files with added filename extension

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

  • UPX dump on OEP (original entry point) 58 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 59 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\967fd71cc83c08eb46c7201fccaf55f33d514c1dbeb022c718b1c31f6a328e0c.exe
    "C:\Users\Admin\AppData\Local\Temp\967fd71cc83c08eb46c7201fccaf55f33d514c1dbeb022c718b1c31f6a328e0c.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:5036
    • C:\Windows\SysWOW64\Zombie.exe
      "C:\Windows\system32\Zombie.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:1032
    • C:\Users\Admin\AppData\Local\Temp\_MicrosoftInternetExplorer2013.xml.exe
      "_MicrosoftInternetExplorer2013.xml.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:640

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-1337824034-2731376981-3755436523-1000\desktop.ini.tmp
        • Size 67KB
        • SHA256 66959f7b3e813174fcea54a294580c4d0c7c7f385dff2d0ef4da3871181c60d1
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.chm.exe

        • Path C:\Program Files\7-Zip\7-zip.chm.exe
        • Size 179KB
        • SHA256 fb4aab0538a7752f316a5e09c68c2f3930663c954d128ef85e4727e3af1d5241
        • MD5 SHA1 SHA512 SSDEEP

        7-zip32.dll.tmp

        • Path C:\Program Files\7-Zip\7-zip32.dll.tmp
        • Size 131KB
        • SHA256 44c5a9d81ad964e06f0b3557d9d4bbc84ec9f119150e13bfe68b30c2f5a2161b
        • MD5 SHA1 SHA512 SSDEEP

        7-zip32.dll.tmp

        • Path C:\Program Files\7-Zip\7-zip32.dll.tmp
        • Size 131KB
        • SHA256 5d4c8fd97a3fa51ed8f9061acef6bd0cfecb59e8920f6195386504ed9d49433d
        • MD5 SHA1 SHA512 SSDEEP

        7z.dll.tmp

        • Path C:\Program Files\7-Zip\7z.dll.tmp
        • Size 1.8MB
        • SHA256 bac059ed17ef4c85cde0c41f8742ddf05c6c5c1feffb82e816111288868b93c2
        • MD5 SHA1 SHA512 SSDEEP

        7z.exe.tmp

        • Path C:\Program Files\7-Zip\7z.exe.tmp
        • Size 604KB
        • SHA256 d87a9381b53f2c110848130e2e6b149ecc0f55ff08e6e584d3914ca4f72c5e7a
        • MD5 SHA1 SHA512 SSDEEP

        7zCon.sfx.tmp

        • Path C:\Program Files\7-Zip\7zCon.sfx.tmp
        • Size 255KB
        • SHA256 da3c74109f96f67aabe9e3a618d5b2d7abfc1fe7957815c5dd505ab6b926bdeb
        • MD5 SHA1 SHA512 SSDEEP

        7zG.exe.tmp

        • Path C:\Program Files\7-Zip\7zG.exe.tmp
        • Size 750KB
        • SHA256 a706c0fe32e7df2770dda0a6ef06b02a88c9dd3f4459214f78cfead0b11f26ef
        • MD5 SHA1 SHA512 SSDEEP

        History.txt.tmp

        • Path C:\Program Files\7-Zip\History.txt.tmp
        • Size 117KB
        • SHA256 1175054176e8db5a7987d4987370e5c2781db3424b23e79a2b68aca02cb62b72
        • MD5 SHA1 SHA512 SSDEEP

        an.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\an.txt.tmp
        • Size 68KB
        • SHA256 b9e1a263b21efa5a1ce70ea787e89f08978a827e2b16b08b0dab192e503ac9b4
        • MD5 SHA1 SHA512 SSDEEP

        ar.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ar.txt.tmp
        • Size 73KB
        • SHA256 6bdc4fe0d35a8dc6eee44d3c13ca3ad3d75780704329f336438477291e43ed12
        • MD5 SHA1 SHA512 SSDEEP

        ast.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ast.txt.tmp
        • Size 66KB
        • SHA256 1d301598bfd1bf990d6a17b4bbc5e74b6a4b925751ab24340592f0dd5a27fe2d
        • MD5 SHA1 SHA512 SSDEEP

        ba.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ba.txt.tmp
        • Size 71KB
        • SHA256 cd80d83b109b5c4e04484e4aa6051015a939fbb9d22062b473fceb9fe366daf6
        • MD5 SHA1 SHA512 SSDEEP

        be.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\be.txt.tmp
        • Size 72KB
        • SHA256 9220a9bfd68b50cd2db3d2a56794a1f3fb48ba47f6b1388d783117d5a9e0724b
        • MD5 SHA1 SHA512 SSDEEP

        bg.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\bg.txt.tmp
        • Size 73KB
        • SHA256 8c8dc8b1073430018af16c9cf4d8ea71ba6182019723171c8b6233aa10b68fd4
        • MD5 SHA1 SHA512 SSDEEP

        bn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\bn.txt.tmp
        • Size 75KB
        • SHA256 6469195d9306198520c2489ab4938797bf3a2212ac4098ece4135e7f7b266456
        • MD5 SHA1 SHA512 SSDEEP

        ca.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ca.txt.tmp
        • Size 76KB
        • SHA256 6e3750d363d288ad6257109e2ea0d216834b6b3caf02eebbc1583e6fbf4846a3
        • MD5 SHA1 SHA512 SSDEEP

        co.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\co.txt.tmp
        • Size 77KB
        • SHA256 dfc579ef2fc4dd045d1873b9ce6cfe5e6d2c9f78390831023554e55e723bba81
        • MD5 SHA1 SHA512 SSDEEP

        cy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\cy.txt.tmp
        • Size 72KB
        • SHA256 abd63d452202e52be191e66f89bbb624b8d2858e61c65958b5e2ae49a7ed013c
        • MD5 SHA1 SHA512 SSDEEP

        de.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\de.txt.tmp
        • Size 76KB
        • SHA256 e91fd5ed2521a2661a8016cea044079337a13221b35abee0ec2d052054acb068
        • MD5 SHA1 SHA512 SSDEEP

        el.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\el.txt.tmp
        • Size 83KB
        • SHA256 a646deac464c0917eea597b249e9ce1c04f87e6b1fbed69d9778fbf91f569fc4
        • MD5 SHA1 SHA512 SSDEEP

        en.ttt.tmp

        • Path C:\Program Files\7-Zip\Lang\en.ttt.tmp
        • Size 68KB
        • SHA256 f6acb6901fe7231d0bebf327f47a057bd4d4a13326971d83e0537a921bda4247
        • MD5 SHA1 SHA512 SSDEEP

        eo.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\eo.txt.tmp
        • Size 66KB
        • SHA256 6a54b765d5c3177f23bbb2fb5d0ee2d388d6dfc565d5a6622afe9be52ff4fd03
        • MD5 SHA1 SHA512 SSDEEP

        ext.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ext.txt.tmp
        • Size 74KB
        • SHA256 c883abd8aab4de9696316aa2d2b2d3f02cbea93aab23d4dfdf34289f954bf2bd
        • MD5 SHA1 SHA512 SSDEEP

        fa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fa.txt.tmp
        • Size 80KB
        • SHA256 4c03a3d18d4b1509905549e341d90f8d887f3893be100ed4615e2f9e423b2fc2
        • MD5 SHA1 SHA512 SSDEEP

        ga.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ga.txt.tmp
        • Size 68KB
        • SHA256 d990590a5b49cb39717153ff42aa0e0902ab781469af10aacea172f713ba7a9f
        • MD5 SHA1 SHA512 SSDEEP

        gl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gl.txt.tmp
        • Size 76KB
        • SHA256 4656e24d69016f95fa991e82956f1f704aa3205c3ca2adb42edfcecef38550b2
        • MD5 SHA1 SHA512 SSDEEP

        gu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gu.txt.tmp
        • Size 84KB
        • SHA256 100d775d8a6636380e83916b742e2b29b29bab1ea2d64187ffa89bbcca989547
        • MD5 SHA1 SHA512 SSDEEP

        hi.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hi.txt.tmp
        • Size 78KB
        • SHA256 fe019d59da0308bac89950b85794ebcb595ea6200bba4b417dd9e2e6bd7ae938
        • MD5 SHA1 SHA512 SSDEEP

        hu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hu.txt.tmp
        • Size 70KB
        • SHA256 761c8c6208c462e8793740a521fed493577c1a330448a84b7dcb56bbcf856b41
        • MD5 SHA1 SHA512 SSDEEP

        id.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\id.txt.tmp
        • Size 69KB
        • SHA256 fb538fd6919e785e696e9397495e7f3a718a09999acf4573e81fd27fb55cdbe3
        • MD5 SHA1 SHA512 SSDEEP

        io.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\io.txt.tmp
        • Size 76KB
        • SHA256 df9dcafbf8f6da77ec31013e152b39366c5d6e477b7f8d7de3887998f5c352f3
        • MD5 SHA1 SHA512 SSDEEP

        io.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\io.txt.tmp
        • Size 76KB
        • SHA256 037c5b8de63cf3b023d4e299c0f56c5021d48d0390af5dfc34a3e2eca4d08552
        • MD5 SHA1 SHA512 SSDEEP

        it.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\it.txt.tmp
        • Size 76KB
        • SHA256 aa3b620e7865f9565bf52f58623726a14f967b274dc979c6693878ca50e3ab8a
        • MD5 SHA1 SHA512 SSDEEP

        ka.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ka.txt.tmp
        • Size 84KB
        • SHA256 f21fc3e08e8e4610541604b0f113538589b3ed9cba6069ef5c6b91bad7f40dc5
        • MD5 SHA1 SHA512 SSDEEP

        kab.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kab.txt.tmp
        • Size 69KB
        • SHA256 bc542e8735c76ff5229e156ffdeb89e599cf0f1872c8f4f5b13b994f077fe3ff
        • MD5 SHA1 SHA512 SSDEEP

        kk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kk.txt.tmp
        • Size 66KB
        • SHA256 eebd5742903f3cb50d4ae8f598883aab337dfa075bbaafc04acf9418455bc5be
        • MD5 SHA1 SHA512 SSDEEP

        ko.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ko.txt.tmp
        • Size 70KB
        • SHA256 eca95dc57448535d1c8ededcf095930380853fb9038643f0b1bf352efa8195e3
        • MD5 SHA1 SHA512 SSDEEP

        ku-ckb.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ku-ckb.txt.tmp
        • Size 79KB
        • SHA256 b55cf299d1414640a4d73927f232d5c6c6e59dd5020a337c9771b24c3c6d5caa
        • MD5 SHA1 SHA512 SSDEEP

        ku.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ku.txt.tmp
        • Size 66KB
        • SHA256 d260d93571715624152e7b7651b4e78f0586d997ead6d29e3de291417854bb05
        • MD5 SHA1 SHA512 SSDEEP

        ky.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ky.txt.tmp
        • Size 79KB
        • SHA256 c78d0902e1f3c2f40ad67cc44687c716c7e9acf7167cb2a55cda5e20c230ad43
        • MD5 SHA1 SHA512 SSDEEP

        lij.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lij.txt.tmp
        • Size 68KB
        • SHA256 aa2147a7830bee1034fc93ca61a13ac3fa4a251fcd43df4bdb8ece8e97e21e00
        • MD5 SHA1 SHA512 SSDEEP

        lt.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lt.txt.tmp
        • Size 70KB
        • SHA256 b5923238696223104b9ac514b2f8a7cbfae31780aff4d70ce035a975a3ef39b8
        • MD5 SHA1 SHA512 SSDEEP

        mk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mk.txt.tmp
        • Size 69KB
        • SHA256 d1c040e0c91d362065102b576c0ef68db396fcfb407c3e14acd9e21a7674308d
        • MD5 SHA1 SHA512 SSDEEP

        mn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mn.txt.tmp
        • Size 69KB
        • SHA256 f9d7c877018f3cc4b04d5fdb0d7118daf6b77a50d52c75104fea8aaa7f326a4e
        • MD5 SHA1 SHA512 SSDEEP

        mng.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng.txt.tmp
        • Size 80KB
        • SHA256 718e4b4ecf79698d2a73feb936ce1962100f29dfa14d4f38bcf3ed7649857a01
        • MD5 SHA1 SHA512 SSDEEP

        mr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mr.txt.tmp
        • Size 71KB
        • SHA256 dc93452d6b70871122cf562e5ad5ec6f26fc96a12dc0e09d5cfde0316d136c44
        • MD5 SHA1 SHA512 SSDEEP

        nb.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nb.txt.tmp
        • Size 66KB
        • SHA256 f8f34e1f09b09ac21e850778752b65e2d3b341f348fa01f0875ab43f7296e2a4
        • MD5 SHA1 SHA512 SSDEEP

        ne.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ne.txt.tmp
        • Size 80KB
        • SHA256 4f42bb778af737c27870c3a6967a05f796196873db8f131ef0973b0b2949165d
        • MD5 SHA1 SHA512 SSDEEP

        ps.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ps.txt.tmp
        • Size 69KB
        • SHA256 97f45a277c75c4eecbd67fddb145b8fe3c62ce0fa0539da668c366707989de46
        • MD5 SHA1 SHA512 SSDEEP

        pt-br.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pt-br.txt.tmp
        • Size 70KB
        • SHA256 5bc64d8caa0a2df85fc4d2634b2c4a0e98402dee68cb1d2900af7463fab80ae6
        • MD5 SHA1 SHA512 SSDEEP

        si.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\si.txt.tmp
        • Size 60KB
        • SHA256 7f8d76656faaee0c0f7d93c76c0c89e34bcc81756d18a27cffe33c5b35d2e14a
        • MD5 SHA1 SHA512 SSDEEP

        sk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\sk.txt.tmp
        • Size 76KB
        • SHA256 b691566d9b637da51a57899de41354839aac8718db2d32f050a599401ece433a
        • MD5 SHA1 SHA512 SSDEEP

        descript.ion.tmp

        • Path C:\Program Files\7-Zip\descript.ion.tmp
        • Size 66KB
        • SHA256 432d16ae93e87b7c08128f99cf783b4bb860dbf774f86b7a11c505a10658ca9a
        • MD5 SHA1 SHA512 SSDEEP

        bcel.md.tmp

        • Path C:\Program Files\Java\jdk-1.8\legal\jdk\bcel.md.tmp
        • Size 71KB
        • SHA256 5abdee1f285d0ffdda191bfc8b29e7c95d4656cb70f1d05500229cff3bd418ef
        • MD5 SHA1 SHA512 SSDEEP

        _MicrosoftInternetExplorer2013.xml.exe

        • Path C:\Users\Admin\AppData\Local\Temp\_MicrosoftInternetExplorer2013.xml.exe
        • Size 66KB
        • SHA256 5f65b7d2fbda3dc0a3e1c36206861a68ec321fc121aa6b5319afde0b7c4baffe
        • MD5 SHA1 SHA512 SSDEEP

        Zombie.exe

        • Path C:\Windows\SysWOW64\Zombie.exe
        • Size 60KB
        • SHA256 b79fb45690b611558d6deb4ef1f360eabf7e8bcc477f6aa93cc944335267beb9
        • MD5 SHA1 SHA512 SSDEEP

        memory/640-14-0x0000000000400000-0x000000000040B000-memory.dmp

        memory/5036-0-0x0000000000400000-0x000000000040B000-memory.dmp