Analysis

  • max time kernel
    145s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/03/2024, 10:51

General

  • Target
    bb14450aaaf7b70e09e399c968cbc2ec.exe
  • Size 560KB
  • Sample240308-mx3assdb97
  • SHA256 c6380a55cef8b30c9cbbe1d8a979504b0bd3a445268fb2262ed5ee937dac16ba
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Renames multiple (5571) files with added filename extension

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

  • ASPack v2.12-2.42 4 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\bb14450aaaf7b70e09e399c968cbc2ec.exe
    "C:\Users\Admin\AppData\Local\Temp\bb14450aaaf7b70e09e399c968cbc2ec.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:5952
    • 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:3576

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.exe

        • Path C:\$Recycle.Bin\S-1-5-21-1497073144-2389943819-3385106915-1000\desktop.ini.exe
        • Size 561KB
        • SHA256 9a70ef46bc9df3cef7c973b3995de61d042bdf267c6344884f18ebd13729d773
        • MD5 SHA1 SHA512 SSDEEP

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1023B
        • SHA256 c311f4aefb9d884ff7f1310aaa0c2d2b35c1edd14cf4a7cb816f82f6e6d546ac
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 769b5b29ba44aaefa5f9184818cdd95282b2a41ee68d4b8b2bc9121ebd378680
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1023B
        • SHA256 550134ec2f4ad7e685a4ddc58a0d6cca94a8772e065cc1ecc9ef6a453efae521
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 bd50142d0cf4cbaa51ec58954d998bfcb3b76885e87cff2fcf998bc99af5ef03
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1023B
        • SHA256 27f1724868f13a7443560abbc952c5448847476bb0a0925dac7ca2dfd87f27c3
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 d0eb51e33fe79affd7bdb5e23ac01ab51213be2debab447c2b690b47230cc82c
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 f607150dcb0dc6cf92a53cd1e777a27b55bd604c9ad3f2c2d988dc526e8c5521
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1023B
        • SHA256 60234043bbd0bf8622f88d0fc37d241d39e54227afef1b3dfdc339d8d8cc5d0d
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 152b68a5c50285c76f82b7de943ef389786d3d84ad2d4c46968e5fe8afd6c45d
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1023B
        • SHA256 044f48aabb92d9c722a9198e03beda3ceff14ee5fc1004a1d1698fd21cb622f4
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 b0073283bd22d2f32adf1a2b87dc0b3b2a6f302764ebc3294a477ce234b1014f
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1023B
        • SHA256 3eba44845420efce3038a9cad28edd3769933189ad61afe3da07ede2f79d3cb0
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 b92f72924f19572cda689dfbcf807f5afb86b289cbfd182cbafdeb88ad867599
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1023B
        • SHA256 c8c1a48318ea4f4fde6ce3d12776e31b53efd577cf28c08769146d33e163ba80
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 bd202ed1a4d8cd4af1e23f906f6640466ca1c2df2d4299378229d02856d09e82
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 26ec358572ea955facda0e12a3df7371a6347803dbc95f1b2848adefcbc24ae3
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1023B
        • SHA256 95f1353e7a9e5be92fbe2c96f7e3234f8a1f341cc6c6401a95724f1c72eb2b7d
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 b815c8b5f632e9852330d64b2c0d7c8ebaa0a0ff0cebdd3b6580c5d39bae0bcb
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1023B
        • SHA256 47aad6001a6125e8c4849d98c29b533711cbbdc856705089c100d74716965ef1
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 324a6b16ecb441b468c6036b7a203b6214304e1e63ba0f08bf3f42b3014028dd
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1023B
        • SHA256 cb9049bed934cbe19f9f71d8b200cc6698b425e1df7eb66897372b9a5a8ed80a
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 5a9c0395f3cab34c1b1f9afb046f5b334d92c90a33b349cb7c50a8ad33ecede3
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1023B
        • SHA256 1040fd4ea0e32d599a3fcce10f8f416fca4ffc1da855cc75a552f9f6b118f1a2
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1023B
        • SHA256 a9d3795a1b4499b888fc1da21922caad4b41745be3c414d71f64fc4b7a1e246f
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 d668a3bcc5dae4b3323f6dd924f0fa05a660ea05899a6c7f6aabb80c8be1b89d
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1023B
        • SHA256 cdcc9b36c7e99fb58f401cc98a11534b3893e3199adfe87652b965d8985007ef
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 9e20ff599453cec5032556707598eb53669c6adf246969b70818d5f08cc26768
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1023B
        • SHA256 df9f3ce19a47dddafcf4cc1c5a27764b162ccd9e01c7604d37700cdb2269cf47
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 57e50d168a2527b72b618af68cadef3f6a8ddad8c5bd2f7bcfeeef19f53a5e53
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1023B
        • SHA256 32df4ee2d8bf43fd939db0f3eedff40dd2d39970a1c17f32cf47de947fa8d6f0
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 4a927803db4d7b08b13c49ab2ccc41d5055af9b3c547bd91ddb204f68bb8b106
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1023B
        • SHA256 8e3452058b3f9bd35c6f6d6c5ba2fa3629631f7c1914c5187dbea8422b73af69
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 fb225a90d6a00d6b60c17bc87f06f55450bf52b226912868eed4136af73fad42
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 4417d55b1554b29e384a5101712ad81c4181a4a845db89e73d066fc550d61dec
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 4b94b70ca3b83564ea28c5f4eaa9a138a854827ad8516b17b337f48af6beda78
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 5fa5bb1409629ae3eed1231aecaf597f69113233d8cb9252c72a45444d9efa3c
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1023B
        • SHA256 f7b737bca3ab9aff2efc8f1fc27228162b5ea5b5740d9c5cc13100a6a32abf2e
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 d562543553adf014007b8de0913d4125996fd9a8bce29d4a4eb8fc9676012652
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 9a8544c3a22528eaa350f4c314aaf23c947da8af53df5882c001b9c5addc2762
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1023B
        • SHA256 ffa301f93bdac2f48ae2e44dedac934c1807e6e7d9d2a6e02cf7cd90b366b0ef
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 dd64e6e21d58b7b527745a3148b572a6d5bffe89ef9541c63f4125549ed4f6b6
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1023B
        • SHA256 282554cfee3a7c7b05339e3252c992a1c86f08a6fd5e1b9a63bdff18a2aa6fe1
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 e74049b55554cd6301d27a4372cf7ae0d3a5688f64623dfc97c6dde1f0154bd4
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1023B
        • SHA256 16cdb10e8ed3528742287c9b7552c91ecaa3d796edb0955cb124194f41028d3d
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 904dbf55a47abe5dabd2770c76260695b6d5d1fc783c8394bb82c39aeee94d70
        • MD5 SHA1 SHA512

        HelpMe.exe

        • Path C:\Windows\SysWOW64\HelpMe.exe
        • Size 559KB
        • SHA256 8956c23772b7ce56643448b10970a2d173c94426bb68ca6db962a9663ce9268c
        • MD5 SHA1 SHA512 SSDEEP

        desktop.ini.exe

        • Path F:\$RECYCLE.BIN\S-1-5-21-1497073144-2389943819-3385106915-1000\desktop.ini.exe
        • Size 561KB
        • SHA256 67a61b9bcb9459e402e8106c76115b29439cb24b60fa9b10aefb503c0708baa1
        • MD5 SHA1 SHA512 SSDEEP

        AUTORUN.INF

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

        AutoRun.exe

        • Path F:\AutoRun.exe
        • Size 560KB
        • SHA256 c6380a55cef8b30c9cbbe1d8a979504b0bd3a445268fb2262ed5ee937dac16ba
        • MD5 SHA1 SHA512 SSDEEP

        memory/3576-5-0x00000000020D0000-0x00000000020D1000-memory.dmp

        memory/3576-9159-0x00000000020D0000-0x00000000020D1000-memory.dmp

        memory/5952-1-0x0000000002310000-0x0000000002311000-memory.dmp