Analysis

  • max time kernel
    145s
  • max time network
    114s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/02/2024, 03:10

General

  • Target
    ad8a053573f17bcef0da88f613a5aa87.exe
  • Size 477KB
  • Sample240229-dpbnfacb28
  • SHA256 a33402764a864c799f950d109bc8b176c56216d4fdb0cf09bcc281e02724f005
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Renames multiple (5573) 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\ad8a053573f17bcef0da88f613a5aa87.exe
    "C:\Users\Admin\AppData\Local\Temp\ad8a053573f17bcef0da88f613a5aa87.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:3272
    • 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:3924

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.exe

        • Path C:\$Recycle.Bin\S-1-5-21-566096764-1992588923-1249862864-1000\desktop.ini.exe
        • Size 477KB
        • SHA256 0aea16bb3bb638d69905e222061b9c15bf6d3c977911c97cdebce8a8e06e8a7b
        • MD5 SHA1 SHA512 SSDEEP

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 c065188ecf20be37b23f163987123fc7eeeaee37505a78ca7aaa82fe864bcce7
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1019B
        • SHA256 5cf373d48eea2db369f1f065b6f26147a6d73b26ce37c00b5e59467e00802cba
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 00d1e4dc8a97ffc21bef4c70573de72d608351e3b58462cf53215b0be20e2e71
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1019B
        • SHA256 81e0099d7046195100fa4e0bcf981d6b87c63d90d066dc252cc799c8e9ba7fea
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 80536e89c7cd4ee9ee40281e3a7e3b325d62cad5090384fb4677564b18e30bb2
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1019B
        • SHA256 554ed0cc5813d25e2f5069c42283e3bf2292bc2a300b0c9848120a5e10109217
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 f0f856d78e9ab157f9c2a55ecccf01405241796cb6421b372edc8062347677eb
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1019B
        • SHA256 fe8e02333b48b875407510041f6cb96f2b7cb87cbedb2ee579d2e31a665075cc
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 dff1cf5cf9a2905a6245f3f7fc2e53037d50ffe134a85b050976d6fe3ce5d90e
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1019B
        • SHA256 04c04907482b209f1f5b56d9d34f8758fdaad59cad87e4fd30d38484988d03fd
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 eefbac98c082019a02060d4ce7bf2222558670dee4454c8edad79cb367fa8687
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1019B
        • SHA256 1e73ad5dd06d49e1474a08dcdda01e947a81dfefe62b17f05fb43f78f6a19e19
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 92f7ebba55060086774dffc399e51c9227c9253a8b6a4f21783dfde2f100302d
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1019B
        • SHA256 ee7a7aac332c89d7804053d2aec4872b7a9bc9b262f3a88fe6e488ebe939dfd1
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 0d473dd0139de4873c6959b305badcd6c6cd2a326a352ba7a096ef184816b92c
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 f07eaea9bdfc93889ca12d9cb143a3215d310fd48848600324aa6787605feb03
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1019B
        • SHA256 838ed1010e6b4ed15392e168cabca1ef62ad3353346d9ee4ba9a7bcd72aa3472
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 cb235dcd7dc4e1b590c5849259a49d5e61ef51fe779a6cd8db2ea6e7a5264146
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1019B
        • SHA256 933c6ae6a0eecb93724f74db148e985ce707f364ac82ffb46c696df8f1928849
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 999905d0add0e2805f05b0ad35317bab3bf09a3948349b78c04e185a0d991776
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1019B
        • SHA256 dd5549088c311935b0be8abdb7676a53827867746e77590cf56de9e578158059
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 cc3c61d0899abc82d2ae31780b184ceb27caaf8ee5612ef7c20a393133750036
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1019B
        • SHA256 25cedfc8bb86852cec8d71021e857426669494d0cec900587c59cf20c8e47dfc
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 5a18a602400f454a066e7645d70954a54a18a313bf103174c710392941bb9b0d
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1019B
        • SHA256 7ed8c2be6c6fc3fa68a4e17ea4686d3682ff945edc4b59eb704cd361bc7acf8b
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 b95ec69c25e25c1a48f21a8584a23bdf8294cf50149da2417af6639717d011f4
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 0abcda5e3ca93398fe0bdaf867579e598362f6251252413692aceb80a764d9af
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1019B
        • SHA256 071ced2029c4ca10bfabe1e28233335599c36ee0caffc412b043a3fcba2a2a11
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 ed6f5dc3a83f16b477813a0fb9539a164dba2f615621733cb0b33c092b031390
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1019B
        • SHA256 a4e9d2cbdec7879c0f1eae9d8f060ecfd3ade636fd591ae54cdc038cfc548e81
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 bd50a163a6d0b9c8e44a9cc3a592b731fe28007d478efe191342e80419e1e456
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1019B
        • SHA256 6d02dc0bdcb6ecce78bd9f44c02fe219ab11e798daeb9f12964ff41e09ab6dc5
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 f28ef3afbb0732f7b59c06a65ddddd1a75b34b6afbf7bd5ece33f8388e274c57
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1019B
        • SHA256 9b017615384eaf54987dae6e48d4041e04464cb89705a2c03878a5a081e6f886
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 20bb0c92a2a9ad8818bdcdd73d47201a92b82530d393fd346b2aaf772628b792
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1019B
        • SHA256 034ec78022419ac156fd6659ba56eb1225a9bbb03f207fbb51baf947dfae5828
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1019B
        • SHA256 796dbb25114dc61ec19843e59f3ff1edacbbadd0e24f7a7241811bf41ab0669c
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 01134fc6616fba8fe15cafb0ce969839a162725e5cc395fdb458ef0eafa1cd45
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 48fdb89f1dae5e5eba0d10bf5e6fcc7167a2a6b56c27629b9ad2ebf7b7e8400e
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1019B
        • SHA256 21269df190a6cbe75758928ef58c8ab62493fed3eb61beefa79070fbbb14199e
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 f32f7914ab1ff113fe0627f6447315760597c8392a61ffb47c8784a6b51fc1f9
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1019B
        • SHA256 cd2a713e9bd10488870a11b6d0d058c93b22fd84b0232471f75a75076fa5a4aa
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 8101daa274f026e1be812503b259cf2c75a7d9a543a083c119321333a9003231
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1019B
        • SHA256 f31fcede675a8e60c1670168fd08c7215a73d4e1a4217beb6efbb325ca17129f
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 76ead64dfaefe8c4a9dda2bc1d8606e91c420fbfbdbea97d078632429f7395cb
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1019B
        • SHA256 fe0f88da13d71cde21997d4a8f00401d35f20aa8ad7d09d8a957c3e5346b17c9
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1KB
        • SHA256 67b8b79df0e98e571a816ba00635c5d6c136ab34536f6696f40855e3e70ec12b
        • MD5 SHA1 SHA512

        Soft.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
        • Size 1019B
        • SHA256 587649098d664509f0bb3c5171f040c5f767002553d61bcd01c6d9dd9f03d9a4
        • MD5 SHA1 SHA512

        HelpMe.exe

        • Path C:\Windows\SysWOW64\HelpMe.exe
        • Size 475KB
        • SHA256 d6f25f47371f29fecab67a4f9538aa92612029c6094c8102bbda6832f0a9f023
        • MD5 SHA1 SHA512 SSDEEP

        desktop.ini.exe

        • Path F:\$RECYCLE.BIN\S-1-5-21-566096764-1992588923-1249862864-1000\desktop.ini.exe
        • Size 477KB
        • SHA256 73bd7232fad8f368c48276a9c2a705f6366e0f607eb67cdc77386b62c068f298
        • MD5 SHA1 SHA512 SSDEEP

        AUTORUN.INF

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

        AutoRun.exe

        • Path F:\AutoRun.exe
        • Size 477KB
        • SHA256 a33402764a864c799f950d109bc8b176c56216d4fdb0cf09bcc281e02724f005
        • MD5 SHA1 SHA512 SSDEEP

        memory/3272-0-0x0000000002220000-0x0000000002221000-memory.dmp

        memory/3924-5-0x0000000001FD0000-0x0000000001FD1000-memory.dmp