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Analysis

  • max time kernel
    140s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    19/01/2024, 01:00

General

  • Target

    667ce21ec43bbb3aa6802cb29d46edbb.exe

  • Size

    312KB

  • MD5

    667ce21ec43bbb3aa6802cb29d46edbb

  • SHA1

    eda874017c38c4e3b11f3924f2c00fcbb2bac42b

  • SHA256

    e77d996259075916291616b2fd5ffbf9c903a7cfe5921cc30ffac68a69f5da98

  • SHA512

    f37d1dd56412e2bae09646780daa722f576f56a5ef8ff291e18f9e033925955d947c2678bf40eb5d552a9371c58c0024881e7492b7790297b055115241a2c935

  • SSDEEP

    6144:+nlEoWaZknVIaVaHl/c+gLzTwWlAdG+GhOYxfdUv2oSKlX0:alEoWlnVIYIlTQzlCqi2oSKx0

Score
7/10
upx

Malware Config

Signatures

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Program crash 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\667ce21ec43bbb3aa6802cb29d46edbb.exe
    "C:\Users\Admin\AppData\Local\Temp\667ce21ec43bbb3aa6802cb29d46edbb.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2900
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 1992
      2⤵
      • Program crash
      PID:2944

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\I1A5CUE1\http_404_webOC[1]

    Filesize

    6KB

    MD5

    92ab50175c4b03970f264c637c78febe

    SHA1

    b00fbe1169da972ba4a4a84871af9eca7479000a

    SHA256

    3926c545ae82fc264c98d6c229a8a0999e2b59ed2bb736f1bda9e2f89e0eeac8

    SHA512

    3311f118963ad1eaf1b9c7fb10b67280aae1ab38358aed77c10f2587100427af58c7d008abb46ad0f59880ac51e50b5a53fc2c2a96d70f5ece4578ab72382b7a

  • memory/2900-0-0x0000000000400000-0x00000000004E1000-memory.dmp

    Filesize

    900KB

  • memory/2900-53-0x0000000000400000-0x00000000004E1000-memory.dmp

    Filesize

    900KB