Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/10/2024, 08:40

General

  • Target
    4b235c7e1d090b5f13f85d0e98918228be80a05838bc8fe5a7fe448b851b1b57N.exe
  • Size 69KB
  • Sample241010-kldf7ascpf
  • SHA256 4b235c7e1d090b5f13f85d0e98918228be80a05838bc8fe5a7fe448b851b1b57
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Renames multiple (5104) files with added filename extension

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

  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • UPX packed file 58 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4b235c7e1d090b5f13f85d0e98918228be80a05838bc8fe5a7fe448b851b1b57N.exe
    "C:\Users\Admin\AppData\Local\Temp\4b235c7e1d090b5f13f85d0e98918228be80a05838bc8fe5a7fe448b851b1b57N.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3964
    • C:\Users\Admin\AppData\Local\Temp\_ThemeSettings2013.xml.exe
      "_ThemeSettings2013.xml.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      PID:4904
    • C:\Windows\SysWOW64\Zombie.exe
      "C:\Windows\system32\Zombie.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      PID:2884

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.exe.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-2045521122-590294423-3465680274-1000\desktop.ini.exe.tmp
        • Size 70KB
        • SHA256 e8f2e4d7efc2b995a8a1de5e86bd0afa1dc586366dff0f0632809d139d112fe1
        • MD5 SHA1 SHA512 SSDEEP

        desktop.ini.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-2045521122-590294423-3465680274-1000\desktop.ini.tmp
        • Size 32KB
        • SHA256 4d1bd887e7356d4e95aec4dc7055fb427988fd4c1b497ff338f9fdf03b4b235b
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.chm.exe

        • Path C:\Program Files\7-Zip\7-zip.chm.exe
        • Size 144KB
        • SHA256 98861ce0ccdcf3af538f22124d1557b6d68ec08645dc0116c6a30af009222b8b
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.dll.exe

        • Path C:\Program Files\7-Zip\7-zip.dll.exe
        • Size 131KB
        • SHA256 87af59d31b5b4bbc9105b2515245d37fcfffb5977196a162a3a48179a818b255
        • MD5 SHA1 SHA512 SSDEEP

        7z.dll.tmp

        • Path C:\Program Files\7-Zip\7z.dll.tmp
        • Size 1.8MB
        • SHA256 57fe9d4cef0e6d4445afe2158036790cd36d800f686835fa2fcb47ea6d42c1d6
        • MD5 SHA1 SHA512 SSDEEP

        7z.exe.tmp

        • Path C:\Program Files\7-Zip\7z.exe.tmp
        • Size 581KB
        • SHA256 d6523eef1e5caca75051f719cb787d3f9d84dc2b43acb36f3608e7a4563109b3
        • MD5 SHA1 SHA512 SSDEEP

        7zFM.exe.tmp

        • Path C:\Program Files\7-Zip\7zFM.exe.tmp
        • Size 967KB
        • SHA256 d967139797de6bf3a48938fd6a4679b4436a4913e2bedc962fbeeeed3bc09d9c
        • MD5 SHA1 SHA512 SSDEEP

        7zG.exe.tmp

        • Path C:\Program Files\7-Zip\7zG.exe.tmp
        • Size 721KB
        • SHA256 bf42780e4c61136f7f95afca9ef91f17835c1a036734386358b3b5d7c3d5b7f7
        • MD5 SHA1 SHA512 SSDEEP

        History.txt.tmp

        • Path C:\Program Files\7-Zip\History.txt.tmp
        • Size 94KB
        • SHA256 73d2c0abc9879ba25ba9d477b7fee9b125f3ad9f58f6869af1d4be5fe9dd423e
        • MD5 SHA1 SHA512 SSDEEP

        af.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\af.txt.tmp
        • Size 47KB
        • SHA256 ffd187a4bfcfee188d079621f900ff6d55fe76841eda02526dcdfdc9a34c079d
        • MD5 SHA1 SHA512 SSDEEP

        an.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\an.txt.tmp
        • Size 45KB
        • SHA256 229b064275bfdf291579fb13c7dd9d7c1750f6813a1e8e9b83e70d6f378be32d
        • MD5 SHA1 SHA512 SSDEEP

        ba.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ba.txt.tmp
        • Size 48KB
        • SHA256 e820ac7d5553cbe1f9e42b14a17272b8c4e5be96f3fdfe6a28aae37e1ed2dab7
        • MD5 SHA1 SHA512 SSDEEP

        be.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\be.txt.tmp
        • Size 43KB
        • SHA256 5be49a49af041213d47cb2da8f773d15ec9cba4725aac472fdba87810b008697
        • MD5 SHA1 SHA512 SSDEEP

        bn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\bn.txt.tmp
        • Size 52KB
        • SHA256 eaf7d21012b5b71413d05dd896d36e0015b6471afaf2c742e3d4ab9cfdeff810
        • MD5 SHA1 SHA512 SSDEEP

        br.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\br.txt.tmp
        • Size 37KB
        • SHA256 3d64b1c284322f4a6d207586bd847cc6fd1b7c3b605234fa842b3fa18e7de5e6
        • MD5 SHA1 SHA512 SSDEEP

        ca.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ca.txt.tmp
        • Size 41KB
        • SHA256 54b430201cb2ef9bd505e5c72a82121539c594c4dcacaa581532131d8e69b746
        • MD5 SHA1 SHA512 SSDEEP

        cy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\cy.txt.tmp
        • Size 37KB
        • SHA256 21352214dc8efd2beef428f66d5229742f7e703bbc6899db89f2fee45faeb940
        • MD5 SHA1 SHA512 SSDEEP

        da.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\da.txt.tmp
        • Size 45KB
        • SHA256 5d8063375372dda249c642dc10a69cf5813af9ad924a0eabc5ddaeb0ea211b32
        • MD5 SHA1 SHA512 SSDEEP

        el.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\el.txt.tmp
        • Size 53KB
        • SHA256 629ab18ac4a675445b4260ecdb2c24fc25e96d2ba2b308d20eda6256b89dc80a
        • MD5 SHA1 SHA512 SSDEEP

        eu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\eu.txt.tmp
        • Size 46KB
        • SHA256 8df85226307a0bad556470ef0f4ac6e8472992bb373ddd99a25023b74c240549
        • MD5 SHA1 SHA512 SSDEEP

        ext.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ext.txt.tmp
        • Size 44KB
        • SHA256 d1add2028dc7ba1f4449e41d287d594010724b79dc6c1dc2f075c313614453aa
        • MD5 SHA1 SHA512 SSDEEP

        fa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fa.txt.tmp
        • Size 50KB
        • SHA256 a1e237d6ab73ddb6bb6a79088df8c90e23f4405019cce78fff26c25c270635ef
        • MD5 SHA1 SHA512 SSDEEP

        ga.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ga.txt.tmp
        • Size 45KB
        • SHA256 d662c441602511955ae0b001f4e9db6f1849d17c59d47c61464c525bd6fab7a0
        • MD5 SHA1 SHA512 SSDEEP

        gl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gl.txt.tmp
        • Size 46KB
        • SHA256 2961b4c02bed4e723f225132479a15b84c27cede4b15e6228ec9002ee998a825
        • MD5 SHA1 SHA512 SSDEEP

        gu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gu.txt.tmp
        • Size 49KB
        • SHA256 8ab5d252b1b51ae2a2ab641d82355bc726c4a5eb2383cdc7b59e86bb7007b4eb
        • MD5 SHA1 SHA512 SSDEEP

        hr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hr.txt.tmp
        • Size 45KB
        • SHA256 7dab9953f6fb04cebd23fda34fa147dc6b81cd9feca8c68be880576a6110a547
        • MD5 SHA1 SHA512 SSDEEP

        hu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hu.txt.tmp
        • Size 42KB
        • SHA256 2d19ab2dceb6b546bf2ac283bd25434de4643c37215d9540c1e47ca72c2f2489
        • MD5 SHA1 SHA512 SSDEEP

        it.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\it.txt.tmp
        • Size 46KB
        • SHA256 e7bbee6ac171f0a1230b9ac50783730c2bd09eb3b937a7cd11ce5597527108e5
        • MD5 SHA1 SHA512 SSDEEP

        ja.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ja.txt.tmp
        • Size 49KB
        • SHA256 7412f2d431942455d3dab1018315241cb753fcdbd5caf2cb22d6606f9899b174
        • MD5 SHA1 SHA512 SSDEEP

        ka.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ka.txt.tmp
        • Size 55KB
        • SHA256 5bb36ffe382fafed0c09cb4c9563ff28574dcf7b08e568b03dd8c778e37e7640
        • MD5 SHA1 SHA512 SSDEEP

        kaa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kaa.txt.tmp
        • Size 45KB
        • SHA256 6914ccfbe76ef3faca785c0691f9f242a89044aa942cc090f811abfe64c8fcea
        • MD5 SHA1 SHA512 SSDEEP

        kab.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kab.txt.tmp
        • Size 45KB
        • SHA256 657bd4e95a495bd9ce563feeb0facb01433aa0764964c106695e56f786db6067
        • MD5 SHA1 SHA512 SSDEEP

        ko.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ko.txt.tmp
        • Size 47KB
        • SHA256 2c4cfba66743bb0bee3e7a5317b61edd3a388c42e8eec4cff66a2bc1f6383bc2
        • MD5 SHA1 SHA512 SSDEEP

        ku-ckb.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ku-ckb.txt.tmp
        • Size 49KB
        • SHA256 ea8ca628eb5f23d2b6b97c1abbc1321e9e0a10a5631da43ad9d56907cf1b4d21
        • MD5 SHA1 SHA512 SSDEEP

        ku.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ku.txt.tmp
        • Size 43KB
        • SHA256 9f4d2240689c63c914f763b060c786a918ad6f63d77314c701bc131b6d668e7d
        • MD5 SHA1 SHA512 SSDEEP

        lt.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lt.txt.tmp
        • Size 46KB
        • SHA256 a416417cb30477f1937eb9fe9825ae56b8602a2668f25b34a76e0adb418a8537
        • MD5 SHA1 SHA512 SSDEEP

        mk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mk.txt.tmp
        • Size 40KB
        • SHA256 d932d25ec3b6b1a3574e604b9e9845a5b915d08cc5502d11b40783231a404535
        • MD5 SHA1 SHA512 SSDEEP

        mn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mn.txt.tmp
        • Size 40KB
        • SHA256 70634a38bd0b89a719d1eee651aab0b6a424c6a67841f6c744df4605db3df342
        • MD5 SHA1 SHA512 SSDEEP

        mng.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng.txt.tmp
        • Size 57KB
        • SHA256 d91281dec0632ef8a20b47db236d244c6e04f4261df3817f2bba0ceb55c9855f
        • MD5 SHA1 SHA512 SSDEEP

        mng2.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng2.txt.tmp
        • Size 53KB
        • SHA256 b276b47f8f3d2f551ddccc1f938d2095b357f4981634b84689c32423460d6412
        • MD5 SHA1 SHA512 SSDEEP

        ms.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ms.txt.tmp
        • Size 37KB
        • SHA256 ed49afdb9fbb0cb0090571034f8b95083e714e695541f221023cf008f8b9cbc5
        • MD5 SHA1 SHA512 SSDEEP

        nb.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nb.txt.tmp
        • Size 43KB
        • SHA256 93218738de57c3a124c35e17e4c64abf792c34094d1c2f538c98b3c59df3e447
        • MD5 SHA1 SHA512 SSDEEP

        nl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nl.txt.tmp
        • Size 46KB
        • SHA256 86a8054a1fe6e449a52a9bfa665477cbd841b711043bef6651f6978d28cc3f6f
        • MD5 SHA1 SHA512 SSDEEP

        nn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nn.txt.tmp
        • Size 43KB
        • SHA256 9c6eb1ce8eef8d691bad2d2f73e073303cab137a3a13755129de59c8d567e440
        • MD5 SHA1 SHA512 SSDEEP

        pa-in.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pa-in.txt.tmp
        • Size 46KB
        • SHA256 2dc74087c6e5ebc5f5017998d501ba49e15e778bcda70f3394bd73fa566de2c7
        • MD5 SHA1 SHA512 SSDEEP

        pl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pl.txt.tmp
        • Size 41KB
        • SHA256 42bff822ef785ac8f4d944a1e5388943fed56fe51745930e24e859f1ea2e20dd
        • MD5 SHA1 SHA512 SSDEEP

        ps.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ps.txt.tmp
        • Size 40KB
        • SHA256 f3086d9d2c4fed287886129b33d619eceefe274ad036e01b1a92f1680c0b4966
        • MD5 SHA1 SHA512 SSDEEP

        pt.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pt.txt.tmp
        • Size 41KB
        • SHA256 bd9e21d828ba2bd0e50c0f681155b8717ef473631880b4c8ebc518b8c8c43c95
        • MD5 SHA1 SHA512 SSDEEP

        ro.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ro.txt.tmp
        • Size 39KB
        • SHA256 5b954805b55b0c2f180d91e712417d87953e1569ccd1ef45a47f13cdcb7da23d
        • MD5 SHA1 SHA512 SSDEEP

        ro.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ro.txt.tmp
        • Size 39KB
        • SHA256 b6bde085cde20df802462155b8afc64ad29cd0f9a095f792d6538d238dbd41ff
        • MD5 SHA1 SHA512 SSDEEP

        ru.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ru.txt.tmp
        • Size 47KB
        • SHA256 de7d659b68d43bda2afacbd3583bd52cbf12750ba3cffcfd0ea6243ad0760a90
        • MD5 SHA1 SHA512 SSDEEP

        sa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\sa.txt.tmp
        • Size 51KB
        • SHA256 e46671560c98653a49a7024f3fd7ebb6cea5ce4271a3eba3a2a6301bcbcda23b
        • MD5 SHA1 SHA512 SSDEEP

        descript.ion.tmp

        • Path C:\Program Files\7-Zip\descript.ion.tmp
        • Size 38KB
        • SHA256 c57bdea1cb696d2316e713c402b465fbe51172a817676116db90564b4a38217f
        • MD5 SHA1 SHA512 SSDEEP

        tipresx.dll.mui.tmp

        • Path C:\Program Files\Common Files\microsoft shared\ink\ko-KR\tipresx.dll.mui.tmp
        • Size 44KB
        • SHA256 86dad905240b1e4c4ed12e66e40daae1d04ac73e8f36a4e4ea88dcb278aaa460
        • MD5 SHA1 SHA512 SSDEEP

        _ThemeSettings2013.xml.exe

        • Path C:\Users\Admin\AppData\Local\Temp\_ThemeSettings2013.xml.exe
        • Size 37KB
        • SHA256 ec1538fa400b9285d9238a46d929a3b27cc051e5e5adfcd1b261dbde1882b2b3
        • MD5 SHA1 SHA512 SSDEEP

        Zombie.exe

        • Path C:\Windows\SysWOW64\Zombie.exe
        • Size 32KB
        • SHA256 fe6097b6eadabe6d830ea44fe509b907034e9f152c020d1d47ebe71acf8d7b9c
        • MD5 SHA1 SHA512 SSDEEP

        memory/2884-14-0x0000000000400000-0x000000000040A000-memory.dmp

        memory/3964-0-0x0000000000400000-0x000000000040A000-memory.dmp