Analysis

  • max time kernel
    151s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/06/2024, 19:19

General

  • Target
    1dd6729c818f37cb640a9e0fe5f0de6c4aafcba9cdca52a491521acb5b9cfcb5.exe
  • Size 266KB
  • Sample240616-x1ghlstdpa
  • SHA256 1dd6729c818f37cb640a9e0fe5f0de6c4aafcba9cdca52a491521acb5b9cfcb5
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Renames multiple (1388) files with added filename extension

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

  • UPX dump on OEP (original entry point) 53 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 58 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\1dd6729c818f37cb640a9e0fe5f0de6c4aafcba9cdca52a491521acb5b9cfcb5.exe
    "C:\Users\Admin\AppData\Local\Temp\1dd6729c818f37cb640a9e0fe5f0de6c4aafcba9cdca52a491521acb5b9cfcb5.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Users\Admin\AppData\Local\Temp\_MS.MSACCESS.DEV.12.1033.hxn.exe
      "_MS.MSACCESS.DEV.12.1033.hxn.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:4652
    • C:\Windows\SysWOW64\Zombie.exe
      "C:\Windows\system32\Zombie.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:4264
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4104 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4480

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          desktop.ini.exe.tmp

          • Path C:\$Recycle.Bin\S-1-5-21-3808065738-1666277613-1125846146-1000\desktop.ini.exe.tmp
          • Size 266KB
          • SHA256 46b9adb8694bc4bdead1e2e0e5326d6684daaec22f1cb2b930edea9d313c8996
          • MD5 SHA1 SHA512 SSDEEP

          desktop.ini.tmp

          • Path C:\$Recycle.Bin\S-1-5-21-3808065738-1666277613-1125846146-1000\desktop.ini.tmp
          • Size 133KB
          • SHA256 c81122bfe7e4b16e40a081a9a53353a5f98f9457e54bdd92f59381321e22e2b6
          • MD5 SHA1 SHA512 SSDEEP

          DumpStack.log.tmp.tmp

          • Path C:\DumpStack.log.tmp.tmp
          • Size 141KB
          • SHA256 658df948a833fef1df0dc0930644a5e1accdaacfbd5618d1f73af440240cb873
          • MD5 SHA1 SHA512 SSDEEP

          7-zip.chm.tmp

          • Path C:\Program Files\7-Zip\7-zip.chm.tmp
          • Size 246KB
          • SHA256 5b89a9808d63b39c57a1882d97f6d5d69c2904f88e520fd9295275e7b47b9c51
          • MD5 SHA1 SHA512 SSDEEP

          7-zip32.dll.tmp

          • Path C:\Program Files\7-Zip\7-zip32.dll.tmp
          • Size 198KB
          • SHA256 cb2e9ca9d3b24c5ff95c4991ee48b5253cd2bd1a5349aa7ecbf215d11a53371f
          • MD5 SHA1 SHA512 SSDEEP

          7z.dll.tmp

          • Path C:\Program Files\7-Zip\7z.dll.tmp
          • Size 136KB
          • SHA256 1096aa4a723fe9e589d43177cb416c58cf340e91b13b5abc53b5cb2c593797c8
          • MD5 SHA1 SHA512 SSDEEP

          7z.dll.tmp

          • Path C:\Program Files\7-Zip\7z.dll.tmp
          • Size 1.9MB
          • SHA256 127722910a8fd8a8daa674c972200d724f7ee7fe043d0f97c7c26e6e43c0d147
          • MD5 SHA1 SHA512 SSDEEP

          7z.exe.tmp

          • Path C:\Program Files\7-Zip\7z.exe.tmp
          • Size 252KB
          • SHA256 4ecaba53d17ecb7c0b17a79c56d7d1851607cee9396bb1dce50d1b46a9b67887
          • MD5 SHA1 SHA512 SSDEEP

          7z.exe.tmp

          • Path C:\Program Files\7-Zip\7z.exe.tmp
          • Size 677KB
          • SHA256 a4c7ff3ebaf9eaa61ef2a09c22f4509b5a939d82fceb054764f94e49e91d266b
          • MD5 SHA1 SHA512 SSDEEP

          7z.sfx.tmp

          • Path C:\Program Files\7-Zip\7z.sfx.tmp
          • Size 136KB
          • SHA256 d943ef8a58a68dcb80771530ef77fd1efd3b2d7afe1676e56eb211ae62512e18
          • MD5 SHA1 SHA512 SSDEEP

          7zCon.sfx.tmp

          • Path C:\Program Files\7-Zip\7zCon.sfx.tmp
          • Size 322KB
          • SHA256 f2636ce56d0a0edff377c2c9c6e7b8986d42d66e33a3b0fbde079c07c15874b1
          • MD5 SHA1 SHA512 SSDEEP

          7zFM.exe.tmp

          • Path C:\Program Files\7-Zip\7zFM.exe.tmp
          • Size 12KB
          • SHA256 38a8e353039f453c22951b2abb4c05db42e3975c7e6d3946dd4abe074ef8e7ab
          • MD5 SHA1 SHA512 SSDEEP

          7zG.exe.tmp

          • Path C:\Program Files\7-Zip\7zG.exe.tmp
          • Size 817KB
          • SHA256 94d1dcc90e1e7e5233f2279b6b1b18dfcd024b2830d33f19b42c03eae7926a60
          • MD5 SHA1 SHA512 SSDEEP

          History.txt.tmp

          • Path C:\Program Files\7-Zip\History.txt.tmp
          • Size 190KB
          • SHA256 8a0fba2a0b796d797b094a43ded6b3a2c5acebfe8a28e455ba4488b9ea2ae1ae
          • MD5 SHA1 SHA512 SSDEEP

          an.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\an.txt.tmp
          • Size 141KB
          • SHA256 28470a1d6752f1c7e23fca73870f7cbcc61434187017096fce48d38a0edf93a6
          • MD5 SHA1 SHA512 SSDEEP

          ast.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\ast.txt.tmp
          • Size 138KB
          • SHA256 73ea30b07562486bdb9474318bf9ea84a1894458bbfe5068c469c83ac62f8962
          • MD5 SHA1 SHA512 SSDEEP

          az.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\az.txt.tmp
          • Size 142KB
          • SHA256 9260d659017208da823d93444bcf5e7c0a85256eb6214dd375288c1ab509ff7d
          • MD5 SHA1 SHA512 SSDEEP

          ba.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\ba.txt.tmp
          • Size 143KB
          • SHA256 8d5a2b5fe9107ee731e7fe57ca16504441883a5aafedd9b61ca1fdfcc250e359
          • MD5 SHA1 SHA512 SSDEEP

          be.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\be.txt.tmp
          • Size 145KB
          • SHA256 08a04b7b99f4a90e72250a506809eb5ad76816cd40e624a1e11bd6a48ae43572
          • MD5 SHA1 SHA512 SSDEEP

          bn.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\bn.txt.tmp
          • Size 148KB
          • SHA256 ba92865a3969f2211deb2c5ea1f4773c682bdb8db54f5e27987fe16099027bac
          • MD5 SHA1 SHA512 SSDEEP

          br.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\br.txt.tmp
          • Size 138KB
          • SHA256 36bad65fc86a6f81665f72a3de4456b3aa91d9bd99f8867e42a95317350a144e
          • MD5 SHA1 SHA512 SSDEEP

          ca.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\ca.txt.tmp
          • Size 132KB
          • SHA256 b9cf88d793a4a50f2f8552ce2c033e18fcca4eadc76d39375fa33cc3e4fc1df8
          • MD5 SHA1 SHA512 SSDEEP

          ca.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\ca.txt.tmp
          • Size 142KB
          • SHA256 a3c9852d70477011ddae06e62661fe5bed0a710de06abba07ccc5a353b1d0859
          • MD5 SHA1 SHA512 SSDEEP

          co.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\co.txt.tmp
          • Size 144KB
          • SHA256 9f5d312326c0c80dfe7c82d3817aad845473ecbc20e12619bdc61b797b58de1c
          • MD5 SHA1 SHA512 SSDEEP

          cs.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\cs.txt.tmp
          • Size 142KB
          • SHA256 059e3c8b364026c2625f3e6249446e6a2037617f2065edcc749288e3e997352c
          • MD5 SHA1 SHA512 SSDEEP

          de.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\de.txt.tmp
          • Size 143KB
          • SHA256 6968f294e49b4b6e7cd3bae862977e57802b395409d8f09c672ab47f5c6b3576
          • MD5 SHA1 SHA512 SSDEEP

          et.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\et.txt.tmp
          • Size 140KB
          • SHA256 e46a43fd2a7bd0045f152c1f0cc3a0c7668d9c62322635336e147f0cdb3f6ad8
          • MD5 SHA1 SHA512 SSDEEP

          eu.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\eu.txt.tmp
          • Size 142KB
          • SHA256 5e02d3f5d3674deb3192933aa9ccbd0a00761fcd972c70bb1a95d494c705f63a
          • MD5 SHA1 SHA512 SSDEEP

          ext.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\ext.txt.tmp
          • Size 141KB
          • SHA256 c0db078aa07c968d9550d0dc5c7e18c5ebce0440160a90a0128d1614cfe752ba
          • MD5 SHA1 SHA512 SSDEEP

          fa.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\fa.txt.tmp
          • Size 147KB
          • SHA256 801801f553089168fc2aa01ca62850649c2a91e52206ffac28febe79b833ca19
          • MD5 SHA1 SHA512 SSDEEP

          fr.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\fr.txt.tmp
          • Size 143KB
          • SHA256 e167ac19334bff771401207071d8c17877ee637ea2318fa060d635c993209c99
          • MD5 SHA1 SHA512 SSDEEP

          fur.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\fur.txt.tmp
          • Size 141KB
          • SHA256 e7efcee036a3e1f7dba7c189fd0ef302de4cc98bd211219afddbdc8fdc3e282c
          • MD5 SHA1 SHA512 SSDEEP

          fy.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\fy.txt.tmp
          • Size 139KB
          • SHA256 7463c941f1071186c7538a9b367eddcc039149d50396e7139c5bc522d6eba151
          • MD5 SHA1 SHA512 SSDEEP

          ga.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\ga.txt.tmp
          • Size 141KB
          • SHA256 3839b3f47b8646dd596afa37cbcc3897bcf0329b5071b9469fbca1822003aca4
          • MD5 SHA1 SHA512 SSDEEP

          gl.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\gl.txt.tmp
          • Size 143KB
          • SHA256 f4d0984ec7581ad124b3450cad0e39b9289b2bdeef4ea2eecff4d9c1e42853a0
          • MD5 SHA1 SHA512 SSDEEP

          gu.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\gu.txt.tmp
          • Size 151KB
          • SHA256 1f72a2d8aebd03fea77597dc74ea56087e7375713286ef838136baf0e522bf96
          • MD5 SHA1 SHA512 SSDEEP

          he.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\he.txt.tmp
          • Size 144KB
          • SHA256 32966f72d4de6cc3356aafd92eb5bb114be0741dba10f3c77db2f8276629c216
          • MD5 SHA1 SHA512 SSDEEP

          hi.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\hi.txt.tmp
          • Size 150KB
          • SHA256 9ca1e0359af4d90ab31211511a7d08f6de05581799d0607ac1a25c5593448692
          • MD5 SHA1 SHA512 SSDEEP

          hr.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\hr.txt.tmp
          • Size 141KB
          • SHA256 5c4a63c964361fc5829135898919cd8190aeefa95da1b34673c5ae165772624e
          • MD5 SHA1 SHA512 SSDEEP

          hu.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\hu.txt.tmp
          • Size 143KB
          • SHA256 3f0b815bc832a39154c51fb0a9c88524190c1606f59213453a759233906b85a5
          • MD5 SHA1 SHA512 SSDEEP

          id.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\id.txt.tmp
          • Size 142KB
          • SHA256 dacb6d581f7909f5ec1abd79763cc30091efc3831f60bb0b0808fccc7719ea7b
          • MD5 SHA1 SHA512 SSDEEP

          is.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\is.txt.tmp
          • Size 142KB
          • SHA256 9262633863167d2d4458e5af148fd51bb54a3c09ddc6c2473f46918050d05bb6
          • MD5 SHA1 SHA512 SSDEEP

          it.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\it.txt.tmp
          • Size 143KB
          • SHA256 1e05eefb444e5c3f4de17cce3f123538f5cfe14afe5da7d9c9cca712a445d477
          • MD5 SHA1 SHA512 SSDEEP

          ja.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\ja.txt.tmp
          • Size 145KB
          • SHA256 7ac7c66e2404b3459cfe36aa782b5907cd0175cbfce7613955d9fd49feba1a4b
          • MD5 SHA1 SHA512 SSDEEP

          ka.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\ka.txt.tmp
          • Size 151KB
          • SHA256 ffc1740cc2aca6ca676982adf40ffb55280c469cd6ffcceeecfd5b1b44d9a405
          • MD5 SHA1 SHA512 SSDEEP

          kk.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\kk.txt.tmp
          • Size 144KB
          • SHA256 e3e92ca1a9b1cf34923363c04c8e8bc0e451065bb8ba7b95571c48c49b9dd300
          • MD5 SHA1 SHA512 SSDEEP

          ko.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\ko.txt.tmp
          • Size 143KB
          • SHA256 5038a4818e097d7a4af66f6c95702ba478b8751981dd3f8b8e0a607b7fe45166
          • MD5 SHA1 SHA512 SSDEEP

          ku-ckb.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\ku-ckb.txt.tmp
          • Size 145KB
          • SHA256 4b317da5a974479ffc4a9d3f4454774d1f247e74f217a3ca4e066cf7238f1a38
          • MD5 SHA1 SHA512 SSDEEP

          ku.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\ku.txt.tmp
          • Size 139KB
          • SHA256 7d9cbeab75deef918815ce4de351513232dd27726fef6723aab8164f7b543103
          • MD5 SHA1 SHA512 SSDEEP

          lij.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\lij.txt.tmp
          • Size 141KB
          • SHA256 13b558e82f1480adbd2800fc92657d22f684207bea5372257e49c2434fc2e667
          • MD5 SHA1 SHA512 SSDEEP

          lv.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\lv.txt.tmp
          • Size 138KB
          • SHA256 9d8e4968772322106246e67a2517ef6e818aa3e86ab887ca55290a747cb64a54
          • MD5 SHA1 SHA512 SSDEEP

          mk.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\mk.txt.tmp
          • Size 142KB
          • SHA256 94a1ab20c0d1db14fe826b5e0f4901d192684524816efcbd0c56293354a338a4
          • MD5 SHA1 SHA512 SSDEEP

          _MS.MSACCESS.DEV.12.1033.hxn.exe

          • Path C:\Users\Admin\AppData\Local\Temp\_MS.MSACCESS.DEV.12.1033.hxn.exe
          • Size 133KB
          • SHA256 454054e86a3831054ef4119ba553787a0caedca8201f25f46fc91f8a8797c7a1
          • MD5 SHA1 SHA512 SSDEEP

          Zombie.exe

          • Path C:\Windows\SysWOW64\Zombie.exe
          • Size 132KB
          • SHA256 29b5a34e0d31d27589996ebd5fd41984bfadad9db7b0c70f4e91c2422185b454
          • MD5 SHA1 SHA512 SSDEEP

          config.xml.tmp

          • Path C:\odt\config.xml.tmp
          • Size 134KB
          • SHA256 92f50ecdba08ddda5a8f536481bddae7218379bdd8157fa578f520bde6c53d55
          • MD5 SHA1 SHA512 SSDEEP

          office2016setup.exe.tmp

          • Path C:\odt\office2016setup.exe.tmp
          • Size 5.2MB
          • SHA256 95c310a51ba809a801ffa1a264837e3dedbb450ee381ed9fcfd26f9c84d03d77
          • MD5 SHA1 SHA512 SSDEEP

          memory/2240-0-0x0000000000400000-0x000000000040B000-memory.dmp

          memory/2240-616-0x0000000000400000-0x000000000040B000-memory.dmp