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Analysis

  • max time kernel
    93s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 16:08

General

  • Target

    2bde107d9a6fd27ccf083002e5b39274.dll

  • Size

    70KB

  • MD5

    2bde107d9a6fd27ccf083002e5b39274

  • SHA1

    25ad845b35e590837c8c6ffacee885c54bdcbba0

  • SHA256

    a21a97692e56aacc293cb5225edfcd1d658cc8e544bc54f97c9d81027cf66870

  • SHA512

    3ded969e7a17cbfa285f587508f9c7303991d58332063ce453ccaca196eb5ef7ecd043221723e87b9988127116e4a83c526a7d1b76ab2e0cd8cc26fb3ac4809f

  • SSDEEP

    768:okKpisvuzgdwMG9hl7c1M5uEcnZ99AOqpKznLp385BRCwBqcqZkwZEn4LZP:JKplSbm1rtAOe+n1MZCkqrZkkEn4Z

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 4 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs .reg file with regedit 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2bde107d9a6fd27ccf083002e5b39274.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2908
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2bde107d9a6fd27ccf083002e5b39274.dll,#1
      2⤵
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:2136
  • C:\Windows\SysWOW64\regedit.exe
    regedit.exe -s "C:\Users\Admin\AppData\Local\Temp\Alert Update Rpc Set.reg.reg"
    1⤵
    • Runs .reg file with regedit
    PID:2924
  • C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" "C:\Program Files\Common Files\Microsoft Shared\Alert Update Rpc Set..dll",polmxhat
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3004

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Program Files\Common Files\Microsoft Shared\Alert Update Rpc Set..dll

    Filesize

    70KB

    MD5

    2bde107d9a6fd27ccf083002e5b39274

    SHA1

    25ad845b35e590837c8c6ffacee885c54bdcbba0

    SHA256

    a21a97692e56aacc293cb5225edfcd1d658cc8e544bc54f97c9d81027cf66870

    SHA512

    3ded969e7a17cbfa285f587508f9c7303991d58332063ce453ccaca196eb5ef7ecd043221723e87b9988127116e4a83c526a7d1b76ab2e0cd8cc26fb3ac4809f