Analysis

  • max time kernel
    119s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/08/2024, 10:39

General

  • Target
    911dad12484f4afa27d59a8b72828320N.exe
  • Size 97KB
  • Sample240802-mp4tnavfqk
  • SHA256 e8cbd8cf8a804178a384e246f1cb4132598f6cf0e8bbe9e1b35a31a8211fa7dd
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Renames multiple (4835) 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
  • 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\911dad12484f4afa27d59a8b72828320N.exe
    "C:\Users\Admin\AppData\Local\Temp\911dad12484f4afa27d59a8b72828320N.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4948
    • 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:2112
    • C:\Users\Admin\AppData\Local\Temp\_KB3033929.nupkg.exe
      "_KB3033929.nupkg.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      PID:5024

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.exe

        • Path C:\$Recycle.Bin\S-1-5-21-2721909339-1374969515-2476821579-1000\desktop.ini.exe
        • Size 51KB
        • SHA256 dad80fa4375ef63fd394d9da81d9e4c50a32fb943fdb90ddb10a940cfe997f61
        • MD5 SHA1 SHA512 SSDEEP

        desktop.ini.exe.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-2721909339-1374969515-2476821579-1000\desktop.ini.exe.tmp
        • Size 98KB
        • SHA256 b333a1e3c260022c91aabde40cdbdd3c7ebd1cf054cea95e903d9e8cd8de90ca
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.chm.exe

        • Path C:\Program Files\7-Zip\7-zip.chm.exe
        • Size 164KB
        • SHA256 f66fa2b704096340e2b319e20a96dda56ee04f5ca7a99fe988b5e5083076b814
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.dll.tmp

        • Path C:\Program Files\7-Zip\7-zip.dll.tmp
        • Size 150KB
        • SHA256 4cda085ef139d63f60dc1cfc9361725cc0c20a73003546957ac0ff15a7817c0a
        • MD5 SHA1 SHA512 SSDEEP

        7z.dll.tmp

        • Path C:\Program Files\7-Zip\7z.dll.tmp
        • Size 748KB
        • SHA256 27da9c8ec61126fe92355cbf545b9790eab737a5d5deda535a7aca3010077822
        • MD5 SHA1 SHA512 SSDEEP

        7z.dll.tmp

        • Path C:\Program Files\7-Zip\7z.dll.tmp
        • Size 1.8MB
        • SHA256 0b5c0dd78e2a4be5d4b737fc4078486689fbef42ac5b031821ee7d092d8ef8bd
        • MD5 SHA1 SHA512 SSDEEP

        7z.exe.tmp

        • Path C:\Program Files\7-Zip\7z.exe.tmp
        • Size 595KB
        • SHA256 23e02b308a426fb6adde92e673c41e3bad0b97a74d6c4a2a170bfc646f60a879
        • MD5 SHA1 SHA512 SSDEEP

        7zFM.exe.tmp

        • Path C:\Program Files\7-Zip\7zFM.exe.tmp
        • Size 981KB
        • SHA256 c3d84c42510658294aec8d396e438a10a0d89288aa2f8319db4049d502f18ea7
        • MD5 SHA1 SHA512 SSDEEP

        7zG.exe.tmp

        • Path C:\Program Files\7-Zip\7zG.exe.tmp
        • Size 735KB
        • SHA256 36411cc80dfb6cc64e28c02ea81af51f1829a56318fc12b5b8a69d74c6718229
        • MD5 SHA1 SHA512 SSDEEP

        af.txt.exe

        • Path C:\Program Files\7-Zip\Lang\af.txt.exe
        • Size 56KB
        • SHA256 b6a2992450018440b8e5c06f39c0fba0ac48d83e6aec6ec22253b0959b43ab0f
        • MD5 SHA1 SHA512 SSDEEP

        az.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\az.txt.tmp
        • Size 60KB
        • SHA256 72514d4e87657c487801fd1e5254a8152ee5d34dbd6dc3285f4320abca01a037
        • MD5 SHA1 SHA512 SSDEEP

        ba.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ba.txt.tmp
        • Size 57KB
        • SHA256 01ac2b4a2f57f5e869f027b7bace1ee7e3fd2086ade8d676e4f3d3a928d0fe42
        • MD5 SHA1 SHA512 SSDEEP

        bn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\bn.txt.tmp
        • Size 61KB
        • SHA256 8a60016a7146128ac00760bbdcb6c20bae099e0a5cf45eac3a09147b35438d2d
        • MD5 SHA1 SHA512 SSDEEP

        br.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\br.txt.tmp
        • Size 51KB
        • SHA256 b904dd8cad0dd1b1bda4b847587ad9a5693a1728026d0881fe2bca710f80bfc2
        • MD5 SHA1 SHA512 SSDEEP

        de.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\de.txt.tmp
        • Size 60KB
        • SHA256 4b7ff45214b05c54fb9da86e02f4b4976e7677120e41a20aa45855a5068cbb23
        • MD5 SHA1 SHA512 SSDEEP

        de.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\de.txt.tmp
        • Size 60KB
        • SHA256 9bddea8761f591012bd918484653b333c422b8d0869828c13efb2af3896789b5
        • MD5 SHA1 SHA512 SSDEEP

        el.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\el.txt.tmp
        • Size 62KB
        • SHA256 765f457c9591e9bfc8ac914086ce8552c5be3697bd81645f944420c838818b21
        • MD5 SHA1 SHA512 SSDEEP

        en.ttt.tmp

        • Path C:\Program Files\7-Zip\Lang\en.ttt.tmp
        • Size 48KB
        • SHA256 18606a1c67610aabf28a18935172a98f3973c5ed23f3aeecaeea39fbb73cf5dd
        • MD5 SHA1 SHA512 SSDEEP

        en.ttt.tmp

        • Path C:\Program Files\7-Zip\Lang\en.ttt.tmp
        • Size 59KB
        • SHA256 c689fb1728b7c2f30b9bbad1076dcdb9c6b501c29c130257b42b687f8d664456
        • MD5 SHA1 SHA512 SSDEEP

        eo.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\eo.txt.tmp
        • Size 56KB
        • SHA256 c5138eb7f6c8de1a59708e2c548555ae7ae613521383d1c52a0c116d18113e91
        • MD5 SHA1 SHA512 SSDEEP

        es.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\es.txt.tmp
        • Size 61KB
        • SHA256 e55e775954825f52d68c62780e0b8f43ae058bc04b21fa63c45067814f9f2158
        • MD5 SHA1 SHA512 SSDEEP

        et.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\et.txt.tmp
        • Size 58KB
        • SHA256 11e3e3e7a18131ff0448ce2de393f7d3a297ff5da7fadd9ffb6190f2fa3aa28f
        • MD5 SHA1 SHA512 SSDEEP

        fi.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fi.txt.tmp
        • Size 60KB
        • SHA256 bd85acda98865db673e2da79b8aae02b0a4962b24778170b47a4cc0a89ef1762
        • MD5 SHA1 SHA512 SSDEEP

        fr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fr.txt.tmp
        • Size 46KB
        • SHA256 1de807b0801c31d6d920b78f543a3c32e15e86012df44541615af17af3b78a36
        • MD5 SHA1 SHA512 SSDEEP

        fur.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fur.txt.tmp
        • Size 58KB
        • SHA256 f0437a595a27c5530d3e85591849030897ed26259c5075d2308e4dc6d8d7b85c
        • MD5 SHA1 SHA512 SSDEEP

        fy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fy.txt.tmp
        • Size 52KB
        • SHA256 40a6fa16e5c28fa04fb4d4a4e27830302245cfba65d0a1d6a3a8a46d6e13982d
        • MD5 SHA1 SHA512 SSDEEP

        ga.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ga.txt.tmp
        • Size 51KB
        • SHA256 0cd037a50570da2118782b1b313c2de5afc5331cc187f0d8695bc1a9bdc954b8
        • MD5 SHA1 SHA512 SSDEEP

        gl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gl.txt.tmp
        • Size 60KB
        • SHA256 21bc0afc906b419ee8ff2658c3fc2f219d15c276c7d349b2466b202fcb803ead
        • MD5 SHA1 SHA512 SSDEEP

        gu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gu.txt.tmp
        • Size 68KB
        • SHA256 1ef64b0d9b8966247f442dcf3e80b969a2e5d8017445bb3f2b4a20f227797ea4
        • MD5 SHA1 SHA512 SSDEEP

        he.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\he.txt.tmp
        • Size 62KB
        • SHA256 94c70da6910f23ff89766fa1450b2c4ddb448e4a461a8e2f5cf53c14fce280a2
        • MD5 SHA1 SHA512 SSDEEP

        hr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hr.txt.tmp
        • Size 59KB
        • SHA256 58e2fe9d5a4a02509bb1372958af50db26e00927de65932806db68f53192e72b
        • MD5 SHA1 SHA512 SSDEEP

        hu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hu.txt.tmp
        • Size 56KB
        • SHA256 3140b464ce9fae158516cb7030eee06033b97d23219a988ebb75d43d220b64d2
        • MD5 SHA1 SHA512 SSDEEP

        hy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hy.txt.tmp
        • Size 65KB
        • SHA256 ac8d5a55bb4cf803d94065fa198a79bd3112f912f01bdf340a320232dc3226dc
        • MD5 SHA1 SHA512 SSDEEP

        io.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\io.txt.tmp
        • Size 61KB
        • SHA256 55046f74ffa57c8643097c43a9ff8ea7664d8579396b3e9f3dcff2976042a96a
        • MD5 SHA1 SHA512 SSDEEP

        is.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\is.txt.tmp
        • Size 54KB
        • SHA256 26f1c0cea1b76131e9d62c626b197ac0a913e965c10ffa980b937642fb60ccf4
        • MD5 SHA1 SHA512 SSDEEP

        ja.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ja.txt.tmp
        • Size 58KB
        • SHA256 c86002ec3984419502c6afb1a806d50bad7cc69376b4ab80a3fcd77da5d09a01
        • MD5 SHA1 SHA512 SSDEEP

        ka.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ka.txt.tmp
        • Size 69KB
        • SHA256 f8158af163370b0f8b556b03139209622df4b2b7ed67afeabd05817d3dc4ba15
        • MD5 SHA1 SHA512 SSDEEP

        kaa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kaa.txt.tmp
        • Size 54KB
        • SHA256 7f55a891be8c8fdeb8ad153399cf77278a73a17f662ad56555cd3154e1debfc0
        • MD5 SHA1 SHA512 SSDEEP

        kab.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kab.txt.tmp
        • Size 54KB
        • SHA256 a47f63c8dc62f5332d839c6a5410d1b4732a1b88e4f521a0b5f7d89e1ea64bd5
        • MD5 SHA1 SHA512 SSDEEP

        kk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kk.txt.tmp
        • Size 56KB
        • SHA256 ad2e03ded0fc0a6401185f868aa1c3f2ed38d9d9fe9955552d09cb26f190c3f2
        • MD5 SHA1 SHA512 SSDEEP

        ko.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ko.txt.tmp
        • Size 56KB
        • SHA256 551f8ed312507cd85d560b4fa1e9f203740f4d797787edad034f9cb38085d521
        • MD5 SHA1 SHA512 SSDEEP

        ku-ckb.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ku-ckb.txt.tmp
        • Size 63KB
        • SHA256 5225c8d7ae48690d6b2fee76c310620dfc8d25d4ac966100d6943193afa0762c
        • MD5 SHA1 SHA512 SSDEEP

        lt.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lt.txt.tmp
        • Size 60KB
        • SHA256 456261f5753dacb3dfef300885d0819a85db83e1100d542910ffcc44253c5920
        • MD5 SHA1 SHA512 SSDEEP

        lv.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lv.txt.tmp
        • Size 56KB
        • SHA256 cb7e34ae2c17a3b061d3a2385e6e2f184df23b1b8b245bc8f1908ab69c5f4aac
        • MD5 SHA1 SHA512 SSDEEP

        mk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mk.txt.tmp
        • Size 59KB
        • SHA256 8090a302d599d6688130a32999b5948552d83ca743118ba9004da0134d5671a1
        • MD5 SHA1 SHA512 SSDEEP

        mn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mn.txt.tmp
        • Size 51KB
        • SHA256 e4c0535099dd127d879ad49dbc55b4a67ccf71fd63edde2c52775d0cd90009c0
        • MD5 SHA1 SHA512 SSDEEP

        mng2.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng2.txt.tmp
        • Size 72KB
        • SHA256 2b603565c13ace4e5446b937abee36a976a059e10bd90360ec2a08eb4017f933
        • MD5 SHA1 SHA512 SSDEEP

        nb.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nb.txt.tmp
        • Size 57KB
        • SHA256 8faacb27e9fdf9f173bbac3b05cecf2ed4f78fb894cbcd634b097b653a6d4094
        • MD5 SHA1 SHA512 SSDEEP

        ne.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ne.txt.tmp
        • Size 64KB
        • SHA256 92a3450e5f63d4e953b81e3c5e414c4efcccdde67d5895a719d482123006ce75
        • MD5 SHA1 SHA512 SSDEEP

        nl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nl.txt.tmp
        • Size 60KB
        • SHA256 c156daa4f9792ff7cc4104290025f0efc511de42a365fcd7d656ede0439dd2c9
        • MD5 SHA1 SHA512 SSDEEP

        nn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nn.txt.tmp
        • Size 57KB
        • SHA256 e158a698da3de641ba14b27bf3a756d32d1a18eafdaba46497674f5c77f92b1f
        • MD5 SHA1 SHA512 SSDEEP

        pa-in.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pa-in.txt.tmp
        • Size 65KB
        • SHA256 a3e13a9f47df1e90c1e66fba74a2d732f685327f57a0d5bb59a8450c9131e3a4
        • MD5 SHA1 SHA512 SSDEEP

        pl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pl.txt.tmp
        • Size 60KB
        • SHA256 9b0edd45641d80bd2c53410c3a1b122dd9e234e45d77f5a6766981b7a864f2f8
        • MD5 SHA1 SHA512 SSDEEP

        pt-br.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pt-br.txt.tmp
        • Size 61KB
        • SHA256 d52c81c0b44e2044fd267cd8cf59387e1e17dd8c4cd164e31a4427ffcfc36db9
        • MD5 SHA1 SHA512 SSDEEP

        pt.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pt.txt.tmp
        • Size 61KB
        • SHA256 043693a434264c5d25a22976adb1866cf3e0e48c3074c690342452a12883df8a
        • MD5 SHA1 SHA512 SSDEEP

        ru.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ru.txt.tmp
        • Size 66KB
        • SHA256 8b7c2145d16e8d40c3ede5ba02ce8581ae74e93a36c5b30ed70cf582ad685ccd
        • MD5 SHA1 SHA512 SSDEEP

        sa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\sa.txt.tmp
        • Size 70KB
        • SHA256 99bf6c8ffb2929fd61a4bb86caf1d7c79c4c0f0ef896b9a96f64ba18c2b8a01c
        • MD5 SHA1 SHA512 SSDEEP

        libpng.md.tmp

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\libpng.md.tmp
        • Size 53KB
        • SHA256 b9adfe33e557e8fd7ec6341c1f00aa19579c8407a4c5be093af15ec3349fe9d2
        • MD5 SHA1 SHA512 SSDEEP

        _KB3033929.nupkg.exe

        • Path C:\Users\Admin\AppData\Local\Temp\_KB3033929.nupkg.exe
        • Size 51KB
        • SHA256 207a9401faeee68151315e858681093234406ee0ec6c3b58993816a8253fda0e
        • MD5 SHA1 SHA512 SSDEEP

        Zombie.exe

        • Path C:\Windows\SysWOW64\Zombie.exe
        • Size 46KB
        • SHA256 b9f0daf79a67582edf33b8c87eb1585dffa143d9b7b43a67079b85598e583311
        • MD5 SHA1 SHA512 SSDEEP