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Analysis

  • max time kernel
    153s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/09/2023, 22:02

General

  • Target

    3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe

  • Size

    74KB

  • MD5

    e12f7aad79d31f4fca0bee7534836b99

  • SHA1

    b7e74c62279c2149ffe93e0836dae840c3563d29

  • SHA256

    3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22

  • SHA512

    2f60bea0b687d209283c71a301c29a8881dd1b2bac5b23b32348a1015c3605a863e8009253b98c19dd09d6d240c113a246af82135f2c4293cc7f4db59ce15385

  • SSDEEP

    768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWO7l:RshfSWHHNvoLqNwDDGw02eQmh0HjWO7l

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 5 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies registry class 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe
    "C:\Users\Admin\AppData\Local\Temp\3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe"
    1⤵
    • Modifies system executable filetype association
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3064
    • C:\Windows\system\rundll32.exe
      C:\Windows\system\rundll32.exe
      2⤵
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:1988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\notepad¢¬.exe

    Filesize

    77KB

    MD5

    d93237f514abb8c486cec50bbe87748e

    SHA1

    4b855724adfb34b8fb5d12364d22484f951df208

    SHA256

    2d780e15b42f3c0a818ebc7c31c8d530d654d1e261c49a4baed568057e102bb8

    SHA512

    50593917c4eac081725aa6a40d54e76836582a6e46b11b39c8f6590d30c29b803d37fef4c999652584dcd68c05e7a72417e0866b602cbfc4adab4e1bd199bab3

  • C:\Windows\System\rundll32.exe

    Filesize

    80KB

    MD5

    f356ebd54b77f47af8631076f2bcbbab

    SHA1

    a1d0f053fc6127abb50cf83d812f1837e0e30a9c

    SHA256

    a21ae319d2393ebae38fd9eea5c7ac76ce9e441ed26cc14be83981976359554e

    SHA512

    37da32f3c6f0ee8047179760d42e3b69aa41b082738a3c28bfc9c0ec28bb006dd11cc699a38fd5ef83992688badc511eedae3e96c1f5f7c4801600bd9c98ea0e

  • C:\Windows\system\rundll32.exe

    Filesize

    80KB

    MD5

    f356ebd54b77f47af8631076f2bcbbab

    SHA1

    a1d0f053fc6127abb50cf83d812f1837e0e30a9c

    SHA256

    a21ae319d2393ebae38fd9eea5c7ac76ce9e441ed26cc14be83981976359554e

    SHA512

    37da32f3c6f0ee8047179760d42e3b69aa41b082738a3c28bfc9c0ec28bb006dd11cc699a38fd5ef83992688badc511eedae3e96c1f5f7c4801600bd9c98ea0e

  • memory/1988-14-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/3064-0-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/3064-13-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB