Overview

overview

8

Static

static

b3b9ce259d...9d.exe

windows7-x64

8

b3b9ce259d...9d.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    153s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2022, 14:42

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General

  • Target

    b3b9ce259d42e1685817df8e61d0812fb6d003014f362e13f6f5a59a9fd1dc9d.exe

  • Size

    380KB

  • MD5

    64e1e914f8b2a5395e8adc6ba7976365

  • SHA1

    fc43ab2174cc7fcd18d975e00100b133c22f9a05

  • SHA256

    b3b9ce259d42e1685817df8e61d0812fb6d003014f362e13f6f5a59a9fd1dc9d

  • SHA512

    8b4e72bca2a45977b5fe31697426c714f69e45bb7cc200a7011e0c6c72cdade8717f3811bc8e315efd990e64a2ccaecb30cbddf4ee03061b7e3c2802e5e53397

  • SSDEEP

    6144:8mB6jUZrjVSXzGPM5yBKumojtC3IU1cSGtcqUmCcCEz81seE/Jm5+83IOrkNcrP7:8mLsjGPMoVmRdKtcqUmCcDz8CU8JOIN2

Score
8/10
persistenceupx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

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

    upx
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b3b9ce259d42e1685817df8e61d0812fb6d003014f362e13f6f5a59a9fd1dc9d.exe
    "C:\Users\Admin\AppData\Local\Temp\b3b9ce259d42e1685817df8e61d0812fb6d003014f362e13f6f5a59a9fd1dc9d.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4908
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 724
      2⤵
      • Program crash
      PID:4452
    • C:\ProgramData\aI06511NmAjK06511\aI06511NmAjK06511.exe
      "C:\ProgramData\aI06511NmAjK06511\aI06511NmAjK06511.exe" "C:\Users\Admin\AppData\Local\Temp\b3b9ce259d42e1685817df8e61d0812fb6d003014f362e13f6f5a59a9fd1dc9d.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2672
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2672 -s 724
        3⤵
        • Program crash
        PID:1456
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4908 -ip 4908
    1⤵
      PID:4048
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2672 -ip 2672
      1⤵
        PID:4388

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • C:\ProgramData\aI06511NmAjK06511\aI06511NmAjK06511.exe
              Filesize

              380KB

              MD5

              144315bf66e81a3087758b2469c24324

              SHA1

              6c9308d04ccdd0b00dfcfafe36f4f8249ff361b1

              SHA256

              a665f0091e2383f7928d480c1b2752624b52fa96515523b91bda0014189754c6

              SHA512

              b9adf47259daebd5115eb629ef47ec7a35264ad61e9b45fe4728237f16035b74c89d96efe59c1ca0f1f5a16202307ca1f9e03dd7b515fb820ee5ee2d1b790a94

              Download Submit

            • C:\ProgramData\aI06511NmAjK06511\aI06511NmAjK06511.exe
              Filesize

              380KB

              MD5

              144315bf66e81a3087758b2469c24324

              SHA1

              6c9308d04ccdd0b00dfcfafe36f4f8249ff361b1

              SHA256

              a665f0091e2383f7928d480c1b2752624b52fa96515523b91bda0014189754c6

              SHA512

              b9adf47259daebd5115eb629ef47ec7a35264ad61e9b45fe4728237f16035b74c89d96efe59c1ca0f1f5a16202307ca1f9e03dd7b515fb820ee5ee2d1b790a94

              Download Submit

            • memory/2672-137-0x0000000000400000-0x00000000004C1000-memory.dmp

              Filesize

              772KB

              Download

            • memory/4908-132-0x0000000000400000-0x00000000004C1000-memory.dmp

              Filesize

              772KB

              Download

            • memory/4908-136-0x0000000000400000-0x00000000004C1000-memory.dmp

              Filesize

              772KB

              Download