Analysis

  • max time kernel
    91s
  • max time network
    92s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-06-2024 07:12

General

  • Target

    Document BT24·pdf.exe

  • Size

    651KB

  • MD5

    55d49f5f1c74dc50dd5ca4b0298a9e5d

  • SHA1

    594dd375a711937812fa7c93ec57eed34fa50edb

  • SHA256

    aac1416d21318d7eec4ecc4e87d91cfbee0b5d569ff9642070c9947c4c59265e

  • SHA512

    774ca13ec168e3fe9da983cf6055852c61d39a893b620c5de8e65e725b28baadebe0a5e0b92ddfe9e41dafa4c0d29221b6fe2e4457544618d2ae47c15f5a9790

  • SSDEEP

    6144:z9KOQS4B4GMSGJpFhm0fwtOiCB+VlFbdu3ucUHJxk1p8Tl82nRDJE6pYIQZA:zsB4GOVyquXY1E8obE6pYO

Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Loads dropped DLL 4 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Document BT24·pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Document BT24·pdf.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1804
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -windowstyle hidden "$Reacher=Get-Content 'C:\Users\Admin\AppData\Roaming\Odontiasis\Goatishness\Upraught\Photoflash.Han';$Strukturfunktioners=$Reacher.SubString(68373,3);.$Strukturfunktioners($Reacher)"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1628
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 2440
        3⤵
        • Program crash
        PID:640
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1628 -ip 1628
    1⤵
      PID:3168

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Command and Scripting Interpreter

    1
    T1059

    PowerShell

    1
    T1059.001

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_drcrwt1j.xry.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\nsr58A0.tmp\AdvSplash.dll
      Filesize

      6KB

      MD5

      6def2cf3daf850acdc1a3e7340a439c4

      SHA1

      95d0d26f60cd5af697502cd5e53a54913ab188fb

      SHA256

      3ec3cf21a99ab0533ec2c451df3b5542733f70b972089d5c321ad7ae3b87d175

      SHA512

      16b1cf4783284d4a1282c569f5c416c713b4b339efcd4d3948bdf7da2194c597bd732d07ba9fabafcab323ba8c8da68845d4435ab9d1916b1810087ee1f5c413

    • C:\Users\Admin\AppData\Local\Temp\nsr58A0.tmp\BgImage.dll
      Filesize

      7KB

      MD5

      2bb17d45e5ad92053ce1e500408dd8a9

      SHA1

      f5d3a7ee6e28df532e9ce33976c92ff30a5665e4

      SHA256

      71ce676703dad028e4083e6b960b1ed89885877079d46d5021506eaa6d99db53

      SHA512

      efdcb476b9b9b5691fe6b9cd77ecbe48d50c6683da01fd51c6b428cc262528fb3dcd295abe28718321b2307b0e032fcb599588f1eb00a93fd9e6a1f7b322b41f

    • C:\Users\Admin\AppData\Local\Temp\nsr58A0.tmp\UserInfo.dll
      Filesize

      4KB

      MD5

      8ef0e4eb7c89cdd2b552de746f5e2a53

      SHA1

      820f681e7cec409a02b194a487d1c8af1038acf0

      SHA256

      41293b9f6588e0fbdc8fcf2a9bd8e2b244cd5ff038fc13033378da337219c9dc

      SHA512

      a68533e8a19637d0d44219549b24baba0dc4824424842f125600fda3edcafc4bb6bb340d57a00815f262d82373b440d58d6e4e5b2ceb29bb3f6bc4cbde66c3c5

    • C:\Users\Admin\AppData\Local\Temp\nsr58A0.tmp\nsExec.dll
      Filesize

      6KB

      MD5

      c129bc26a26be6f5816a03520bb37833

      SHA1

      18100042155f948301701744b131c516bf26ddb8

      SHA256

      d3694fa0503158194129d113fcc1c83177ff5a5f93d898ce0bcfe9ce12f06bf4

      SHA512

      dbe79859c41e00a6e951cee889e7f0de29a712792fb531662285a2d6e384884518c7d5d983894c185b3d31d81213d2477cf4576b0114d352b759fe07a1704e63

    • C:\Users\Admin\AppData\Roaming\Odontiasis\Goatishness\Upraught\Photoflash.Han
      Filesize

      66KB

      MD5

      7bf3790191a67f3d8b0acd355ec7779e

      SHA1

      cba6e4742a2ed3c4a9422adeb1494beabd6dd1e7

      SHA256

      25cee3997bf135d9bd98502de830e137072bf235e1043f3c28d7d1f3a69b1a11

      SHA512

      98f8b02ac2acb750dc101d6c24d137f38c1254a01515af1d3e567659dac2a6ad6a10fd3c20e65c32b95820d565b4b4a621641ee2c90610cefa9dc53939f6418b

    • C:\Users\Admin\Pictures\slukningen.lnk
      Filesize

      1KB

      MD5

      8f064d94326944eabfa7583eddfa298a

      SHA1

      bf44d6071883a428fc7635fccc1b1ea180ac9ec0

      SHA256

      ee3ffcf36c091d116a712be35da7a05281730bdbfbd45bd068f214b7f1c3fcd1

      SHA512

      c0f948542d76b8e210927ce2e6908b23e5bc545f661b3ecb3faa5d47e572b7efaa9c64d06d6ae10619786b8ec71baef65b71976c635477d44962628b56f5c197

    • memory/1628-177-0x0000000004C50000-0x0000000004CB6000-memory.dmp
      Filesize

      408KB

    • memory/1628-189-0x0000000005B70000-0x0000000005B8E000-memory.dmp
      Filesize

      120KB

    • memory/1628-176-0x0000000004BB0000-0x0000000004BD2000-memory.dmp
      Filesize

      136KB

    • memory/1628-175-0x0000000004DF0000-0x0000000005418000-memory.dmp
      Filesize

      6.2MB

    • memory/1628-178-0x0000000004CC0000-0x0000000004D26000-memory.dmp
      Filesize

      408KB

    • memory/1628-173-0x0000000004600000-0x0000000004636000-memory.dmp
      Filesize

      216KB

    • memory/1628-188-0x0000000005520000-0x0000000005874000-memory.dmp
      Filesize

      3.3MB

    • memory/1628-174-0x0000000073A50000-0x0000000074200000-memory.dmp
      Filesize

      7.7MB

    • memory/1628-190-0x0000000005BB0000-0x0000000005BFC000-memory.dmp
      Filesize

      304KB

    • memory/1628-192-0x00000000060B0000-0x00000000060CA000-memory.dmp
      Filesize

      104KB

    • memory/1628-191-0x0000000006B30000-0x0000000006BC6000-memory.dmp
      Filesize

      600KB

    • memory/1628-193-0x0000000006100000-0x0000000006122000-memory.dmp
      Filesize

      136KB

    • memory/1628-194-0x0000000007180000-0x0000000007724000-memory.dmp
      Filesize

      5.6MB

    • memory/1628-172-0x0000000073A5E000-0x0000000073A5F000-memory.dmp
      Filesize

      4KB

    • memory/1628-196-0x0000000007DB0000-0x000000000842A000-memory.dmp
      Filesize

      6.5MB

    • memory/1628-198-0x0000000073A50000-0x0000000074200000-memory.dmp
      Filesize

      7.7MB