Analysis

  • max time kernel
    120s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/10/2024, 20:36

General

  • Target
    61379bea29b2207ffaa53a724131f7b3a6949bbde4e2e2efa2dcae9084758062N.exe
  • Size 64KB
  • Sample241006-zdtwjayemf
  • SHA256 61379bea29b2207ffaa53a724131f7b3a6949bbde4e2e2efa2dcae9084758062
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Renames multiple (4691) 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 56 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\61379bea29b2207ffaa53a724131f7b3a6949bbde4e2e2efa2dcae9084758062N.exe
    "C:\Users\Admin\AppData\Local\Temp\61379bea29b2207ffaa53a724131f7b3a6949bbde4e2e2efa2dcae9084758062N.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3400
    • C:\Users\Admin\AppData\Local\Temp\_MicrosoftLync2013Win32.xml.exe
      "_MicrosoftLync2013Win32.xml.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      PID:4484
    • 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:2544

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.exe.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-945322488-2060912225-3527527000-1000\desktop.ini.exe.tmp
        • Size 64KB
        • SHA256 a0b8d9deb56396d2418e6ac4dd53d1e4028d5e66c474df7310841ec5a64c2053
        • MD5 SHA1 SHA512 SSDEEP

        desktop.ini.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-945322488-2060912225-3527527000-1000\desktop.ini.tmp
        • Size 35KB
        • SHA256 aacb84a646c93160d85fdf3ce85d3c300cdf3a6ee7cfcf825232db4d482dba09
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.chm.tmp

        • Path C:\Program Files\7-Zip\7-zip.chm.tmp
        • Size 147KB
        • SHA256 906deb03ea6c6f035dc12f2a9dbdf5986a842793a9b411795470a11a075c768d
        • MD5 SHA1 SHA512 SSDEEP

        7-zip32.dll.tmp

        • Path C:\Program Files\7-Zip\7-zip32.dll.tmp
        • Size 100KB
        • SHA256 938271f9fe3c53a535c80245f5da6755b3f6c6a3a7b604e45ae652862caae0b4
        • MD5 SHA1 SHA512 SSDEEP

        7z.dll.tmp

        • Path C:\Program Files\7-Zip\7z.dll.tmp
        • Size 1.8MB
        • SHA256 7de282ce552fff9e55ba35749e0b17dbef9deda13d64f48838998d65cda09a5d
        • MD5 SHA1 SHA512 SSDEEP

        7z.exe.tmp

        • Path C:\Program Files\7-Zip\7z.exe.tmp
        • Size 579KB
        • SHA256 fc5252af39fee3a0e53f3836f515d3180003022a633e0ea4ac2e6dd520e1fcdb
        • MD5 SHA1 SHA512 SSDEEP

        7z.sfx.tmp

        • Path C:\Program Files\7-Zip\7z.sfx.tmp
        • Size 244KB
        • SHA256 bf3cd05f0617a80e57ee7ea5324bb89aa7da2757d0b1aa70ce5563248bba3251
        • MD5 SHA1 SHA512 SSDEEP

        7zCon.sfx.tmp

        • Path C:\Program Files\7-Zip\7zCon.sfx.tmp
        • Size 223KB
        • SHA256 0d0582c860388478f62d59a49a07106c6505930684a7e13ad73512a8d279566a
        • MD5 SHA1 SHA512 SSDEEP

        7zFM.exe.tmp

        • Path C:\Program Files\7-Zip\7zFM.exe.tmp
        • Size 965KB
        • SHA256 6f4001f51c6a32a2ba2acf5837b2240af158a8e87acc69e4e1e2e0685f8c27e6
        • MD5 SHA1 SHA512 SSDEEP

        7zG.exe

        • Path C:\Program Files\7-Zip\7zG.exe
        • Size 713KB
        • SHA256 4e35aa18bbc806dffddcc10575d0273ad732f94fc8ceb92dd30aefc7c97a5df2
        • MD5 SHA1 SHA512 SSDEEP

        History.txt.tmp

        • Path C:\Program Files\7-Zip\History.txt.tmp
        • Size 91KB
        • SHA256 783db6e97d50bc9173025cd0bd187e39fad65e711d31329a2524af860bece240
        • MD5 SHA1 SHA512 SSDEEP

        an.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\an.txt.tmp
        • Size 42KB
        • SHA256 bbe0d6f8b4076ebd5e923c5e9bfbc432c38eee8032e6fb7c95c410b1a3ac7961
        • MD5 SHA1 SHA512 SSDEEP

        ar.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ar.txt.tmp
        • Size 47KB
        • SHA256 494c5a157b8fafed3ce0ca7df7076f6acd1e4302eb146461f2a1b5c748bbb18f
        • MD5 SHA1 SHA512 SSDEEP

        ast.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ast.txt.tmp
        • Size 40KB
        • SHA256 865ef3699f87c2cb6214ae645f758f2c443d4b405bf6c716d342019996d10af8
        • MD5 SHA1 SHA512 SSDEEP

        az.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\az.txt.tmp
        • Size 44KB
        • SHA256 1dc2998856872af7d61f8c1fb396009cf7bd75d8241b19ff6c2fa2ee34cb190d
        • MD5 SHA1 SHA512 SSDEEP

        ba.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ba.txt.tmp
        • Size 46KB
        • SHA256 40fbc78484a6b6b9d35cdbbc789db055c9de7cb580cfd0a129ea7ffb9d546823
        • MD5 SHA1 SHA512 SSDEEP

        be.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\be.txt.tmp
        • Size 46KB
        • SHA256 2856825aafbd6a0b4e1a4294a30608f955864a63ee3babddb1556d06bcf6f295
        • MD5 SHA1 SHA512 SSDEEP

        bn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\bn.txt.tmp
        • Size 49KB
        • SHA256 611db9dc34c2e635c79bf2654f1604f8f47acb8dfa898430c9b2a20444c6a9f7
        • MD5 SHA1 SHA512 SSDEEP

        br.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\br.txt.tmp
        • Size 40KB
        • SHA256 f2d6f06e0edbc5aa3c63b805cdaa169083461976d0587556e81f1b8748f95249
        • MD5 SHA1 SHA512 SSDEEP

        ca.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ca.txt.tmp
        • Size 38KB
        • SHA256 b7accfa3008d65eea5939a422dbfb7a4426525813d86d2200b263d9083a8314a
        • MD5 SHA1 SHA512 SSDEEP

        co.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\co.txt.tmp
        • Size 45KB
        • SHA256 5bc2bd87d527aaf34e001ad395007c6b24da32e7dc0613181c31a277fc0bad89
        • MD5 SHA1 SHA512 SSDEEP

        cs.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\cs.txt.tmp
        • Size 43KB
        • SHA256 b1e126ab2b74f333d48ab0572c7c85510d8f00074880bdbec2e8850867f458de
        • MD5 SHA1 SHA512 SSDEEP

        da.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\da.txt.tmp
        • Size 35KB
        • SHA256 e52de1166d61e94330fb3eb3e69ffb2dd916c7136784d318e71e4e02dab93697
        • MD5 SHA1 SHA512 SSDEEP

        el.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\el.txt.tmp
        • Size 45KB
        • SHA256 cf1d18fd4c4515016946ede1aa7e07e01537708af6e9d0ca9be41a14d7e3ad87
        • MD5 SHA1 SHA512 SSDEEP

        en.ttt.tmp

        • Path C:\Program Files\7-Zip\Lang\en.ttt.tmp
        • Size 37KB
        • SHA256 7fdd3073a7d54d0195da1537a2d641bef1531193ce54588bb52135e607e8499c
        • MD5 SHA1 SHA512 SSDEEP

        eo.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\eo.txt.tmp
        • Size 40KB
        • SHA256 a9dad08a2fba03ab88552cc1b4de274afea31252af3ebbd4e140eca5f49466f2
        • MD5 SHA1 SHA512 SSDEEP

        es.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\es.txt.tmp
        • Size 39KB
        • SHA256 e132bc73a1618284bf456bd723a2c2fdc87695d27834da16e5f17b75706b70ba
        • MD5 SHA1 SHA512 SSDEEP

        et.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\et.txt.tmp
        • Size 35KB
        • SHA256 2eb7b24a1e9b9c6481cb2c951dfc2c0129a8eeaef62362765be79a6786a28b96
        • MD5 SHA1 SHA512 SSDEEP

        fa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fa.txt.tmp
        • Size 48KB
        • SHA256 185caadd43a6a7dd0311d13d4dd53def33976b817911f8c42f9c17413073ea10
        • MD5 SHA1 SHA512 SSDEEP

        fr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fr.txt.tmp
        • Size 44KB
        • SHA256 10a64a6cdacfc10cbaa9cf953f68f600e62c96e0518953d9af7177d9b070709c
        • MD5 SHA1 SHA512 SSDEEP

        fur.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fur.txt.tmp
        • Size 36KB
        • SHA256 a1694109bab24c43b30e118684fd61f046d3b8a484984583edf9995b683f2018
        • MD5 SHA1 SHA512 SSDEEP

        fy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fy.txt.tmp
        • Size 35KB
        • SHA256 df10c74792a9a34cec69ee2e40976836835dc3114164319b0b409ec196e47cdb
        • MD5 SHA1 SHA512 SSDEEP

        gl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gl.txt.tmp
        • Size 38KB
        • SHA256 754f6679ca26790efce96929e111c2810fe9a330cd4082b57a60a801cd01255d
        • MD5 SHA1 SHA512 SSDEEP

        gu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gu.txt.tmp
        • Size 52KB
        • SHA256 03b31b8e886c6223b158786b8e2ba9b6e376a6f36582ca9930a2f10e076993a9
        • MD5 SHA1 SHA512 SSDEEP

        hi.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hi.txt.tmp
        • Size 46KB
        • SHA256 ad78ab478f0b311bcc1a7feef165ffbc1078e46420d9ba6e0d814586f4924fae
        • MD5 SHA1 SHA512 SSDEEP

        hr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hr.txt.tmp
        • Size 37KB
        • SHA256 f14f5f70cf2fc34910424c7af59544cc0212120a28820ae28a35fd153de59724
        • MD5 SHA1 SHA512 SSDEEP

        hu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hu.txt.tmp
        • Size 39KB
        • SHA256 22d591425ae4553620c0276d13e6ea7abea5d40efef77be19ebb0ab1edb50066
        • MD5 SHA1 SHA512 SSDEEP

        hy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hy.txt.tmp
        • Size 35KB
        • SHA256 3d5e1590906aaa5df64c795d6d276f9ba04c7371fbb0f823a39d392975baf632
        • MD5 SHA1 SHA512 SSDEEP

        ja.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ja.txt.tmp
        • Size 41KB
        • SHA256 5fdfeb7fb6fa0a808391333d8f68821a3f1ecaae1e3e56dae2dc258d92814413
        • MD5 SHA1 SHA512 SSDEEP

        ka.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ka.txt.tmp
        • Size 52KB
        • SHA256 dd0c07fc4c57bbacdcc9996585ffb4ad0f5fdd7a9764aa800af417a45c328205
        • MD5 SHA1 SHA512 SSDEEP

        kaa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kaa.txt.tmp
        • Size 42KB
        • SHA256 662dc68e886d0e1569a8d01d23bffd91a9ad17420b00caed8df6389c732a517a
        • MD5 SHA1 SHA512 SSDEEP

        kk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kk.txt.tmp
        • Size 45KB
        • SHA256 65b912e4ea921add33121f1261d300abd7d6ee41fd1bace882daf7a5b394152d
        • MD5 SHA1 SHA512 SSDEEP

        ko.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ko.txt.tmp
        • Size 45KB
        • SHA256 d543e9a89958710739dea013bc99b5246cfa05cff703eb968aee36c70e43f287
        • MD5 SHA1 SHA512 SSDEEP

        ku-ckb.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ku-ckb.txt.tmp
        • Size 29KB
        • SHA256 3df20307b30b27dfbd2a9bbec2affb3e4285b215836aa0988a1761f22ca1d25a
        • MD5 SHA1 SHA512 SSDEEP

        ku.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ku.txt.tmp
        • Size 35KB
        • SHA256 c707c6e848b87fcf5696965b71f78e1aa60a9e7152d2884e5b9523b1f5b110f0
        • MD5 SHA1 SHA512 SSDEEP

        ky.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ky.txt.tmp
        • Size 47KB
        • SHA256 da728f6a1f83b30cc27166f70f4d3403ec7dbe8553a532a980b22ac7cfa74279
        • MD5 SHA1 SHA512 SSDEEP

        mk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mk.txt.tmp
        • Size 43KB
        • SHA256 3121be223c894064beff32937dad63651dc05c48d0172631b7cd460d259dfe89
        • MD5 SHA1 SHA512 SSDEEP

        mng2.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng2.txt.tmp
        • Size 50KB
        • SHA256 81a03cc4aae72a82702d9f33a7f1c1fc4f88b59b5605abe426b8988c6af4720e
        • MD5 SHA1 SHA512 SSDEEP

        mr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mr.txt.tmp
        • Size 39KB
        • SHA256 706a85afffef188f0a1195d6f7a9444258fa4853a69bb2694cb9e4602dc9080e
        • MD5 SHA1 SHA512 SSDEEP

        ms.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ms.txt.tmp
        • Size 35KB
        • SHA256 cf284fd643b96597273388b2b3bd1148f5478e63d176c2bff40e707eea175804
        • MD5 SHA1 SHA512 SSDEEP

        descript.ion.tmp

        • Path C:\Program Files\7-Zip\descript.ion.tmp
        • Size 35KB
        • SHA256 2058853c95c5091e223aa40c08c339c2974a0644432d9fdf491869455c4760b2
        • MD5 SHA1 SHA512 SSDEEP

        msdaprsr.dll.mui.tmp

        • Path C:\Program Files\Common Files\System\msadc\ja-JP\msdaprsr.dll.mui.tmp
        • Size 35KB
        • SHA256 c482d06994e54183e1f05b703701fef47517437b6391152b07f9f34a1bb45e4e
        • MD5 SHA1 SHA512 SSDEEP

        _MicrosoftLync2013Win32.xml.exe

        • Path C:\Users\Admin\AppData\Local\Temp\_MicrosoftLync2013Win32.xml.exe
        • Size 34KB
        • SHA256 c5aa6f21f0e465aa9045611d1eb7197842cc524ffed70100c2a93e4ca6fb9def
        • MD5 SHA1 SHA512 SSDEEP

        Zombie.exe

        • Path C:\Windows\SysWOW64\Zombie.exe
        • Size 29KB
        • SHA256 e6862baa3fb8f67f6081030eaa5503839ab7547aebac9a7499f44c4e717c02b4
        • MD5 SHA1 SHA512 SSDEEP

        memory/3400-0-0x0000000000400000-0x000000000040A000-memory.dmp

        memory/3400-1152-0x0000000000400000-0x000000000040A000-memory.dmp