Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/11/2024, 03:59

General

  • Target
    dcfa8498eb67f39f7c0d3688ecfeb16f13e221a39048a859273a92cbb49ce1c1.exe
  • Size 166KB
  • Sample241112-ej8awstkhw
  • SHA256 dcfa8498eb67f39f7c0d3688ecfeb16f13e221a39048a859273a92cbb49ce1c1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Renames multiple (4349) 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 59 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\dcfa8498eb67f39f7c0d3688ecfeb16f13e221a39048a859273a92cbb49ce1c1.exe
    "C:\Users\Admin\AppData\Local\Temp\dcfa8498eb67f39f7c0d3688ecfeb16f13e221a39048a859273a92cbb49ce1c1.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:368
    • C:\Users\Admin\AppData\Local\Temp\_Firefox.lnk.exe
      "_Firefox.lnk.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      PID:4044
    • 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:764

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.exe

        • Path C:\$Recycle.Bin\S-1-5-21-940901362-3608833189-1915618603-1000\desktop.ini.exe
        • Size 82KB
        • SHA256 424cda254f6d08799d42d7ed1724c1f5d987fa2005b8c498535647bdc145ac06
        • MD5 SHA1 SHA512 SSDEEP

        desktop.ini.exe.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-940901362-3608833189-1915618603-1000\desktop.ini.exe.tmp
        • Size 166KB
        • SHA256 142c7cffd9856ab8a2724aca6fd23a165ea2f3a1e4dc23b424b8f5209f4d09bd
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.chm.exe

        • Path C:\Program Files\7-Zip\7-zip.chm.exe
        • Size 194KB
        • SHA256 e5f400bead44131786f7eda461a80aca41c5622097aec524dd7feb8ed853d039
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.dll.tmp

        • Path C:\Program Files\7-Zip\7-zip.dll.tmp
        • Size 180KB
        • SHA256 15fe74e7b4480883dbff4f9a43848a55feade6eba3f3bcb31dc23d2f9339cf38
        • MD5 SHA1 SHA512 SSDEEP

        7z.dll.tmp

        • Path C:\Program Files\7-Zip\7z.dll.tmp
        • Size 1.8MB
        • SHA256 6c38b4da27b72200d1f05ffb82f0f483393604d8ba657131d9ba40210b0f3ffd
        • MD5 SHA1 SHA512 SSDEEP

        7z.exe.tmp

        • Path C:\Program Files\7-Zip\7z.exe.tmp
        • Size 628KB
        • SHA256 b05d8edea4ee73b65fb80cfa81924cabf15c54a75f3c7f8a51af3e8a6b3f712a
        • MD5 SHA1 SHA512 SSDEEP

        7zCon.sfx.tmp

        • Path C:\Program Files\7-Zip\7zCon.sfx.tmp
        • Size 270KB
        • SHA256 2324330d7784aa1036cba844bda4b843a0decfd20581bff2674d7816a19a2e6c
        • MD5 SHA1 SHA512 SSDEEP

        7zFM.exe.tmp

        • Path C:\Program Files\7-Zip\7zFM.exe.tmp
        • Size 1014KB
        • SHA256 79e7527f1bb66a461ed3bca8c7d5d8a4562db14bcec4844204448aacb55a3993
        • MD5 SHA1 SHA512 SSDEEP

        7zG.exe.tmp

        • Path C:\Program Files\7-Zip\7zG.exe.tmp
        • Size 768KB
        • SHA256 51de499a18ceaa58b8508b5282641333a7681b9a471210b4041c76dcd7830da8
        • MD5 SHA1 SHA512 SSDEEP

        History.txt.tmp

        • Path C:\Program Files\7-Zip\History.txt.tmp
        • Size 141KB
        • SHA256 eb8074a578e8cc303469e8b0848865a6064bf7cfa4da52fcf63f2b3b2c8919f3
        • MD5 SHA1 SHA512 SSDEEP

        af.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\af.txt.tmp
        • Size 94KB
        • SHA256 fbb89d659af6daafbe2068432e683225e4768ad1e81199cfa0090bce4c2c6c89
        • MD5 SHA1 SHA512 SSDEEP

        an.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\an.txt.tmp
        • Size 92KB
        • SHA256 a4b749f15d28c4dabb8316d71743cfda946af60208f0fa635b5f36501184f2c2
        • MD5 SHA1 SHA512 SSDEEP

        ar.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ar.txt.tmp
        • Size 96KB
        • SHA256 090acaa23da27586ce316f106663531ff1b0614071e8bf330d035e94970489c2
        • MD5 SHA1 SHA512 SSDEEP

        ast.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ast.txt.tmp
        • Size 89KB
        • SHA256 eeadbd9a12e8cb009ec17b525099a0dfa77f20f40e830e6e9cd3e0fcdf0bd8de
        • MD5 SHA1 SHA512 SSDEEP

        az.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\az.txt.tmp
        • Size 93KB
        • SHA256 fef2507cc1e6a85a25a7a0c8dfb3abe8b5b2c766eeab8389499703bacfa6940f
        • MD5 SHA1 SHA512 SSDEEP

        ba.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ba.txt.tmp
        • Size 95KB
        • SHA256 e472744caa88a5eb78dd1808d7fe7586168323a2d485a48f3947792fba0500e8
        • MD5 SHA1 SHA512 SSDEEP

        bn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\bn.txt.tmp
        • Size 99KB
        • SHA256 93f1093392e37315bd1eba7cdb729227d37620d43e405460c34efb7463b24434
        • MD5 SHA1 SHA512 SSDEEP

        co.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\co.txt.tmp
        • Size 95KB
        • SHA256 3f4d8adefbc8eea1b12ed4566d17d598e3bf49399c0ef05d9c8eab20b2e55a9d
        • MD5 SHA1 SHA512 SSDEEP

        cs.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\cs.txt.tmp
        • Size 93KB
        • SHA256 31e6dbdc2455630b0c380adbd4e0973ce9136be527f30cf5195032a84f768b7b
        • MD5 SHA1 SHA512 SSDEEP

        cy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\cy.txt.tmp
        • Size 89KB
        • SHA256 473473872a60fb0392e61c4e11133dc63a0a1de7a68c6b5f7c518d2630fc3d0b
        • MD5 SHA1 SHA512 SSDEEP

        de.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\de.txt.tmp
        • Size 93KB
        • SHA256 73438fd933cd020534ee4c5fe804f14327898ab7ef4e5e1070152a37815242fd
        • MD5 SHA1 SHA512 SSDEEP

        el.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\el.txt.tmp
        • Size 100KB
        • SHA256 0e1a1a4a7a8af1ac98c9ad9620610f4dd2e6359e18f8a67515d8927176503035
        • MD5 SHA1 SHA512 SSDEEP

        eo.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\eo.txt.tmp
        • Size 89KB
        • SHA256 aff921ae9c37d9f267b153ad6e2bc06508838fa6ea19116fadbad549a4f21ef0
        • MD5 SHA1 SHA512 SSDEEP

        es.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\es.txt.tmp
        • Size 94KB
        • SHA256 c2daa9aec5da4068900228b4c70e1592ebae2acd1a47d6084bf7cbedbe63983d
        • MD5 SHA1 SHA512 SSDEEP

        eu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\eu.txt.tmp
        • Size 90KB
        • SHA256 b2fa1a0461f1e8c5b95a9ec30adf679b66a9d39f0729e7bbe94e0f3788a7a0d2
        • MD5 SHA1 SHA512 SSDEEP

        ext.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ext.txt.tmp
        • Size 89KB
        • SHA256 4f0c982aba8430b82861dbf63b4d8b051c19f93563f0126409c7cc903ac174c7
        • MD5 SHA1 SHA512 SSDEEP

        fi.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fi.txt.tmp
        • Size 93KB
        • SHA256 0588f4adcb98bd337fd2148c7448b74078085840dd607b8f8ff5afdb8e4ed23d
        • MD5 SHA1 SHA512 SSDEEP

        fr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fr.txt.tmp
        • Size 94KB
        • SHA256 a2051d6f60648f6e3a6559b61169a23e5adc88f113f546ff0a17d8e249ba8a16
        • MD5 SHA1 SHA512 SSDEEP

        fur.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fur.txt.tmp
        • Size 91KB
        • SHA256 fda0ebf5d76ea54085d155715024ce538a033c0011f56fba054d349fb606693e
        • MD5 SHA1 SHA512 SSDEEP

        ga.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ga.txt.tmp
        • Size 92KB
        • SHA256 731da8d86800b419057dd8fca74ea7809355a62600e23758bd78fcc070235309
        • MD5 SHA1 SHA512 SSDEEP

        gu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gu.txt.tmp
        • Size 101KB
        • SHA256 88cf848b23cae04d889dfb8560119d8f6789de88a1101d7b8db8014b58c062d7
        • MD5 SHA1 SHA512 SSDEEP

        he.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\he.txt.tmp
        • Size 93KB
        • SHA256 b627f47bd7c426b06b7e5514a64bb5008366b3785e9730c7709cc2d2a19244c6
        • MD5 SHA1 SHA512 SSDEEP

        hi.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hi.txt.tmp
        • Size 101KB
        • SHA256 2881f5cb4b18d21bbde8e35e0a768bf622c01f9816d369353aa7c68f5fcc9581
        • MD5 SHA1 SHA512 SSDEEP

        hr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hr.txt.tmp
        • Size 92KB
        • SHA256 e961a5af551fd4f0d47149fc9dc2b45cc2a526d3e32b2f323e7b0a09a2f47604
        • MD5 SHA1 SHA512 SSDEEP

        hy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hy.txt.tmp
        • Size 95KB
        • SHA256 13c74549d13decdb58564b942929c88c1e2912c15ea0995a04b64597624c9b50
        • MD5 SHA1 SHA512 SSDEEP

        id.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\id.txt.tmp
        • Size 90KB
        • SHA256 42831f0f22f172db0bf6971f96588d0fd4045fffe28e932948ac173d77d08497
        • MD5 SHA1 SHA512 SSDEEP

        io.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\io.txt.tmp
        • Size 91KB
        • SHA256 c56c9f570fb3387e76a195ab2bd6c6f754d0330825516ad49a34174261a3f2a4
        • MD5 SHA1 SHA512 SSDEEP

        it.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\it.txt.tmp
        • Size 93KB
        • SHA256 77583a1c0ab5e8129e07c91a40bdc29398421f7d9fa2b250da6c51cdbf415313
        • MD5 SHA1 SHA512 SSDEEP

        ja.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ja.txt.tmp
        • Size 96KB
        • SHA256 1e7a4a76206103ba5d07eb9c980628cb45f8202da85c32ef2d344373ce1ebe09
        • MD5 SHA1 SHA512 SSDEEP

        ka.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ka.txt.tmp
        • Size 102KB
        • SHA256 5389714a6434282edc3c439ed0f35f0d1dd101b332e7d77b36e1edd3ff9fa4be
        • MD5 SHA1 SHA512 SSDEEP

        kaa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kaa.txt.tmp
        • Size 92KB
        • SHA256 f77da172bc397da0dbf2203356d7a39b52612010776de2541d60ec50b2981ef4
        • MD5 SHA1 SHA512 SSDEEP

        kk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kk.txt.tmp
        • Size 94KB
        • SHA256 b9df276bab731478895d58cbe2aeb8404482942ed444050acf052b798e2bd169
        • MD5 SHA1 SHA512 SSDEEP

        ko.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ko.txt.tmp
        • Size 94KB
        • SHA256 9c1dd7b25fe87742ceb3d5cd0bdf07c9af016041d341f711f6fd7f8f5785af0f
        • MD5 SHA1 SHA512 SSDEEP

        ky.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ky.txt.tmp
        • Size 84KB
        • SHA256 b838f5c2cf41280520523fc75c9662e946979fc71ea987a9ac386d7d40d1f7ed
        • MD5 SHA1 SHA512 SSDEEP

        lij.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lij.txt.tmp
        • Size 84KB
        • SHA256 52010c9d9f9b75249f0613321677c21f5bf003e31d58aff7681dcffa93a9f553
        • MD5 SHA1 SHA512 SSDEEP

        lv.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lv.txt.tmp
        • Size 84KB
        • SHA256 65d2d836d009b93cc67fe9783464b16da2bfbaa6be2549ffc32523dd4b6140ed
        • MD5 SHA1 SHA512 SSDEEP

        mk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mk.txt.tmp
        • Size 90KB
        • SHA256 d5088162ca22573ef04b5636fe59b0eb01e9467384a615241f6c2dcd7d5a4265
        • MD5 SHA1 SHA512 SSDEEP

        mn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mn.txt.tmp
        • Size 92KB
        • SHA256 cd1945a24a219dbb8b670157bec265578047832b8187ce6891c190ffbebe9494
        • MD5 SHA1 SHA512 SSDEEP

        mng.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng.txt.tmp
        • Size 104KB
        • SHA256 c39c056c101ee63b4c2f08be0c814a29b46a7159fd2fdf9cea3380e7ff88ef0d
        • MD5 SHA1 SHA512 SSDEEP

        mng2.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng2.txt.tmp
        • Size 105KB
        • SHA256 ed13e74eef43c596711fc5b8e1050f96ccfe815666209726aba8f83013f674fc
        • MD5 SHA1 SHA512 SSDEEP

        nb.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nb.txt.tmp
        • Size 90KB
        • SHA256 a4178df775934a1833c06409802db92e65d1dcd4d33212b4a20c6eb91e75b075
        • MD5 SHA1 SHA512 SSDEEP

        ne.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ne.txt.tmp
        • Size 97KB
        • SHA256 b04f9e313033a7a5f05fe304fb46d755ef564717612d9e2dd01c871f396081c4
        • MD5 SHA1 SHA512 SSDEEP

        nl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nl.txt.tmp
        • Size 93KB
        • SHA256 b26e909c92a93248673bc5509e02740a4f1e482468a209291eeb5afaca8680f9
        • MD5 SHA1 SHA512 SSDEEP

        nn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nn.txt.tmp
        • Size 81KB
        • SHA256 b04c2a353401ddfae72bc7fd2cc9227a04a0fe8d74fbfa55f432710da0c9a334
        • MD5 SHA1 SHA512 SSDEEP

        pa-in.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pa-in.txt.tmp
        • Size 98KB
        • SHA256 1c2a68c29e377b1b88b5ac697da568f47274baa111449099b47591a31fb814a7
        • MD5 SHA1 SHA512 SSDEEP

        descript.ion.tmp

        • Path C:\Program Files\7-Zip\descript.ion.tmp
        • Size 81KB
        • SHA256 7fa75d7aa48b4d812998fe6c1ed28f6ca0e852637528f42a6e597c63e27515cc
        • MD5 SHA1 SHA512 SSDEEP

        iexplore.exe.mui.tmp

        • Path C:\Program Files\Internet Explorer\fr-FR\iexplore.exe.mui.tmp
        • Size 88KB
        • SHA256 b61ece4a621fa2ba7a40fc838cf53eb757c06ae0d96beaa593f9e1daca5037b2
        • MD5 SHA1 SHA512 SSDEEP

        _Firefox.lnk.exe

        • Path C:\Users\Admin\AppData\Local\Temp\_Firefox.lnk.exe
        • Size 84KB
        • SHA256 dc2bc7c72b254ea60b7e509d8efb7e3a1209546412cd0cf35fec68d74f7d0a40
        • MD5 SHA1 SHA512 SSDEEP

        Zombie.exe

        • Path C:\Windows\SysWOW64\Zombie.exe
        • Size 81KB
        • SHA256 1ad205ae9db3f4dcfe88267eda3bb6b22c6433eb86d76c179c6dafdee6eb1682
        • MD5 SHA1 SHA512 SSDEEP

        memory/368-0-0x0000000000400000-0x000000000040B000-memory.dmp

        memory/368-652-0x0000000000400000-0x000000000040B000-memory.dmp