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Analysis

  • max time kernel
    201s
  • max time network
    217s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2023, 20:48

General

  • Target

    2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe

  • Size

    74KB

  • MD5

    4771cffe19e2018f976be1065d387922

  • SHA1

    81dfb0ca6db479819dbf4bd09245489adc51053d

  • SHA256

    2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74

  • SHA512

    78250c723a4df089b2d9789aa33c38d6d59f483ad84cfd46633878f337d2bc479eea0e4096a1c0fd5f4474e5dba9a2eb2f9d1ebf5b92d22501f668bfe08b57fd

  • SSDEEP

    768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOSa:RshfSWHHNvoLqNwDDGw02eQmh0HjWOSa

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\2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe
    "C:\Users\Admin\AppData\Local\Temp\2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.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:4800
    • 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:3268

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\notepad¢¬.exe

    Filesize

    78KB

    MD5

    6a127aded4406d89f6a078cb1f8bb36c

    SHA1

    43132edd3e1608b4166999acd0d061e53c734778

    SHA256

    2734d2c9479e4a65b86b6e51c0d01d744caf054d4132733dba79f43adb27d3e6

    SHA512

    812075c70c4d5625b55b4f3acfa44fe3af6529d36aef3533ee93a590983d77076a02924aaeba78fffe188ea7f242471839f8062998abfaf4bcf86607bd482003

  • C:\Windows\System\rundll32.exe

    Filesize

    74KB

    MD5

    1af354ebb4766fef556b2915e0aef705

    SHA1

    d8248f1d10b6495e954f67a9a84ae16c9b279181

    SHA256

    b03f10905e623526586006bbf6e237d8456b7e5e6d3ddfca006fac1b82912f0a

    SHA512

    bdff9352e1c5c1dc0bdd59bc2cd0cf164e558232e220217f2146e5ce87fe815edbac1fb53f95b71e77238c8e1d478e86fcdd6fc62963729877012ce5829bc164

  • C:\Windows\system\rundll32.exe

    Filesize

    74KB

    MD5

    1af354ebb4766fef556b2915e0aef705

    SHA1

    d8248f1d10b6495e954f67a9a84ae16c9b279181

    SHA256

    b03f10905e623526586006bbf6e237d8456b7e5e6d3ddfca006fac1b82912f0a

    SHA512

    bdff9352e1c5c1dc0bdd59bc2cd0cf164e558232e220217f2146e5ce87fe815edbac1fb53f95b71e77238c8e1d478e86fcdd6fc62963729877012ce5829bc164

  • memory/3268-14-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/4800-0-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/4800-13-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB