Analysis

  • max time kernel
    155s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/03/2024, 06:07

General

  • Target
    c7e0b645ad4810f472a47f34d57234ac.exe
  • Size 9.5MB
  • Sample240314-gvm57scd71
  • SHA256 f0f5641a4814489602dcd4df980494566260d4040d6aa48bf5d2eed8010d5eec
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Renames multiple (384) files with added filename extension

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

  • ASPack v2.12-2.42 5 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Drops startup file 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 3 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c7e0b645ad4810f472a47f34d57234ac.exe
    "C:\Users\Admin\AppData\Local\Temp\c7e0b645ad4810f472a47f34d57234ac.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops startup file
    • Enumerates connected drives
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:4460
    • C:\Windows\SysWOW64\HelpMe.exe
      C:\Windows\system32\HelpMe.exe
      2⤵
      • Modifies WinLogon for persistence
      • Drops startup file
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops autorun.inf file
      • Drops file in System32 directory
      PID:4596
  • 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=4076 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2316

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          desktop.ini.exe

          • Path C:\$Recycle.Bin\S-1-5-21-3808065738-1666277613-1125846146-1000\desktop.ini.exe
          • Size 3.8MB
          • SHA256 13797668504b9328f19355ef6c0eb8facc4973a72e7d083e4e13d0cf81fff6f8
          • MD5 SHA1 SHA512 SSDEEP

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 8416db4da725b42425b402d22a67b42054f6d0421e928377fd6bbac154051f73
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 69f39bf215092c6dc5900f07200f31bf84856a6f3eeda04c36ea19216b801a5c
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 707a1f75ebd74dcf57fbd09ddc34256a4e730de6714202c6c2e87606b605488c
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 d752d71a47d2f46c966ce7360d832e182d82722c33d909832d3d783c37a82126
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 c4c0784c6d14c77074e04277dce0b203f492647f93f04a7bc5f9d86df302833b
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 3e0486057b2d6cedd265ced36ebaa7d2f6963490ee8504996b71b1803a7228f8
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 e6f96f1011508613a574dbb9e95cfa51db29ad9a550d588a8e4c06434f51d8cc
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 84d45ff1d93a901f1c735dba08f20c364de6ec20bb9e45eda7a524b8e668b868
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 e1321ff39fdef63e675a1be4a35dca4135732c6ad905e78a2bd863abe339d20b
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 9406e41687430eddbb37129057cbcb685df52c6a6a3197c71e38ebb0d0f76dd1
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 82b364e663f594a1d6a27ec5c88bfbd23c6dab26bfb4c28befeeec51b2a65e2f
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 7b1065fea734d5bbcf50250671fbb0b81cf3c14d85e834929b984bbdfb101512
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 706de60c3727ca6356b50fd75b6006405aeb287bccaea0709db18de668da3232
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 4e13a27a2465fd818bd4e32da669c91925f2a2d836adaf59ad3a8a0d3ade24b6
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 19894866446d557e1bcb86013b032da6cc6f54a76c36c1cccc1a7d1b8879e5c3
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 05d99a5ac2d256f6fe00f5ddabbcc6670af0b06242ec80398fa346c09a0e4e77
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 ce6e40834ff0178d8ee77a7fc5ee254987b955f9accd5a24167cd1e5b8e6f894
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 6bc2a6543a4308023da8aaf99e1ebf922f971baeb53dc6eda89f47eac4babc7a
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 4098fd66b0cbd44b0799dd489538c466552329fc9fe5ca7c7fb30627e6d6c2e6
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 2e6b53e7c0a3b45ddea57c6384d21f7b2ab3d39b72a02648a89bb0106b29fa4a
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 28ca3b404f318de5de4132add61582250af815ada1639ce05374c4461ab3aaf5
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 59f13beed391a5c70c6a239775f61296a3ea84a20bc35638310e5790644b7dd5
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 ae3d77e4509139151e415a5c20545246a03ac4ac803ad82709a704c6bb00648e
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 abeb8b253ff78c0558fad3a96c009e05c6817918808a3a17b1a7a026eb43885e
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 df1b63974fa8427fd2c263cd5199237f8d0896124ac82ce05c6ccea47236db8f
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 af69370e406ab5d5afffd85df4fe5c4633f80febb10105de64221d68e7990b6d
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 445cd9b624b3cd406ac7af5125f19def2aa04916b61165e4bb9b36a4e87d9247
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 4dbaebe449c8ff4d039f07df5f182956b8c1e558f13db0dfa8b79d6453d326c0
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 1267faac064bad26c27b070c77a243db82f78329beb2aafeb0b542a94d6595f3
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 a7b275df192d518158f7725f86c4565b31d81a73218ef94216647ab074307efa
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 c2e72083e825586f637fbf795cf11af17b9ac3d81e11da2ea7836991393a4fcc
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 3f6e2f56861610774e3377b90f0e3390dffb9198fcbfef400fbb08f811646280
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 71a9ffbce655ade9807b5b6b771e61b0b5b4b4b2239ecf7eea30f654a8c25c9c
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 3549f486d3c41bcce72ad5618872fb9d42b0ffd3499c06172d4adec4f5291fe6
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 25c4192153631311645adb8f9c9e1c75f475c571c8bd55bdbef2d1c510310ec1
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 5135c6d7e2d930832de326c7420223790607ff98ad2e3206985631393f192f5f
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 e90501dc1c5112b22bd00fdcbc4ee11530228f341d01966d37bffd28ec077d4b
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 fbbc7fb4287878fb7478adb1b2dd923cc2d7b57882328749e901c4236c10bed4
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 c996d31a78359234ebc57f07aa93eb910ccfd29cab5673cfa4df81c8b872d653
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 19e1e4198cb3bb6f63e485ee0ee1d609422b87b4202c943a4aa6f4695dc94720
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 47abcdba1505a0d2a1e574ed260b13865f1fce25c9daf00418a37735b2b2a26f
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 12a29067a15618d5266dd1be0fdd4f4f6b7f1ee9d7fda4507bc680d1d68ecd07
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 b9d23f3e600103acbdccdcef04c4c50686a4638a4781e6ef816b0632fd7c1c8b
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 dacc5973fc0080c55e934d1d796fcad1c786f2ffdd2f86db58424c355ee6d8b0
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 d335bf36be0a9e390f380eb64e55bbba734a7ebc3930c37ad851e873944e089c
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 5e9cbfda015a29af6cd4d443c00260c0804b86815f0bb55870bd2ba8d36f4211
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 5722eb8ec8bf5d92aeeb136a319a691c764a1ecdda12437527757e1e63bc8390
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 43af3d92469e99c0a5f6fdebdae72d8d773ae8f25fc639bcd943247f699c2573
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 c807524a103f00cf9e7ec9e1821ea63cb479ef24b7f5388f9b284f0adecb7848
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 b03953e2017d56d30b27805d4f48e1aed601f69d5a0b18decb8a61c47e2b9a9f
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 3de3edf19ade78504a7703b074e8fe07df5a2461c0b8b3c2c358c4c707195c14
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 77585031cd050e85a918bb2f34936a65707f80d022a5b3a048c878780d3f4887
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 bbff1b30d1fdd02daa9f882121b19acefaba6d827139ce0e26b0b647dc27eb06
          • MD5 SHA1 SHA512

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 da73e38936f6c13ea73f1751f51d99247f5d2e58aa696e74c183cdc366895c4e
          • MD5 SHA1 SHA512

          HelpMe.exe

          • Path C:\Windows\SysWOW64\HelpMe.exe
          • Size 9.0MB
          • SHA256 e13c1f32854acd7c8679fc55193d11c51ca6b28cb64e32c6a9d8717b56e910d7
          • MD5 SHA1 SHA512 SSDEEP

          HelpMe.exe

          • Path C:\Windows\SysWOW64\HelpMe.exe
          • Size 9.4MB
          • SHA256 e9e1af3419e4fdf18391ea0ca48b50b54221dae8c8ce2ef7ecc022c4a1e66e4f
          • MD5 SHA1 SHA512 SSDEEP

          desktop.ini.exe

          • Path F:\$RECYCLE.BIN\S-1-5-21-3808065738-1666277613-1125846146-1000\desktop.ini.exe
          • Size 4.8MB
          • SHA256 3322a9314e677a93192367fe88de60191c85895d0cc4beb5c066e5a56baebd14
          • MD5 SHA1 SHA512 SSDEEP

          AUTORUN.INF

          • Path F:\AUTORUN.INF
          • Size 145B
          • SHA256 cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae
          • MD5 SHA1 SHA512

          AutoRun.exe

          • Path F:\AutoRun.exe
          • Size 6.8MB
          • SHA256 f3cdc2baa2699f258fc57107c4294a38c4394feeaf58c630debfee1ad32596ff
          • MD5 SHA1 SHA512 SSDEEP

          memory/4460-0-0x0000000002210000-0x0000000002211000-memory.dmp

          memory/4460-243-0x0000000002210000-0x0000000002211000-memory.dmp

          memory/4596-6-0x0000000000730000-0x0000000000731000-memory.dmp