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Analysis

  • max time kernel
    140s
  • max time network
    179s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/03/2024, 00:13

General

  • Target

    b36657ac328849497aa1afffbd01c21374c8bc7ac821ecc843c68e91e74998a4.exe

  • Size

    448KB

  • MD5

    e786e9c00c9461f5b2f418fcc7bc2dfb

  • SHA1

    91555166f985f321bf2ee0775fc9dad8c3f24626

  • SHA256

    b36657ac328849497aa1afffbd01c21374c8bc7ac821ecc843c68e91e74998a4

  • SHA512

    fb146331fa55679b850d3899413e84376fce6d4d03ddcef8e3623f070836915c27b3ce88c0c88cf4a87e06e0b18bda2bde1320db51bf16c297ebfcd109f4ca74

  • SSDEEP

    12288:RyZE1xxolX33HVIq4DOQS7wEqZQ0npM4dl0v5JdmY:8ZE13olX33HVIq4DOQS7wEqZQEM4dmvN

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Program crash 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b36657ac328849497aa1afffbd01c21374c8bc7ac821ecc843c68e91e74998a4.exe
    "C:\Users\Admin\AppData\Local\Temp\b36657ac328849497aa1afffbd01c21374c8bc7ac821ecc843c68e91e74998a4.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2028 -s 356
      2⤵
      • Program crash
      PID:4512
    • C:\Users\Admin\AppData\Local\Temp\b36657ac328849497aa1afffbd01c21374c8bc7ac821ecc843c68e91e74998a4.exe
      C:\Users\Admin\AppData\Local\Temp\b36657ac328849497aa1afffbd01c21374c8bc7ac821ecc843c68e91e74998a4.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:3800
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3800 -s 352
        3⤵
        • Program crash
        PID:2272
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3800 -s 768
        3⤵
        • Program crash
        PID:2160
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3800 -s 772
        3⤵
        • Program crash
        PID:4092
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3800 -s 768
        3⤵
        • Program crash
        PID:1008
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2028 -ip 2028
    1⤵
      PID:3984
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3800 -ip 3800
      1⤵
        PID:3924
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3800 -ip 3800
        1⤵
          PID:3796
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3800 -ip 3800
          1⤵
            PID:4556
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3800 -ip 3800
            1⤵
              PID:4796

            Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\b36657ac328849497aa1afffbd01c21374c8bc7ac821ecc843c68e91e74998a4.exe

              Filesize

              448KB

              MD5

              90b66805f54052d05d11398861afe2a7

              SHA1

              6fbda5e779ba7e5c7f6d6860a332533933af398f

              SHA256

              49478e7e9c9d66cb216d00dfffda87f3823118889cfd40db3e0575dbe88614f5

              SHA512

              5dda932c4ce9d9a277407227ec2090c581d2c19f16cc863f54fe86da497a1d984e41b2231e1a51c627fb11b284d587686c4ae1df2d20a9364910d22e3a8074ac

            • memory/2028-0-0x0000000000400000-0x0000000000438000-memory.dmp

              Filesize

              224KB

            • memory/2028-1-0x0000000000400000-0x0000000000438000-memory.dmp

              Filesize

              224KB

            • memory/2028-7-0x0000000000400000-0x0000000000438000-memory.dmp

              Filesize

              224KB

            • memory/3800-8-0x0000000000400000-0x0000000000438000-memory.dmp

              Filesize

              224KB

            • memory/3800-9-0x00000000014F0000-0x0000000001528000-memory.dmp

              Filesize

              224KB

            • memory/3800-10-0x0000000000400000-0x0000000000415000-memory.dmp

              Filesize

              84KB