Analysis

  • max time kernel
    146s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-06-2023 20:27

General

  • Target

    8353dfb0aaef6842df37c669ccbd506d94f34e76b54b65f2a09a8db5102cb4a7.exe

  • Size

    1.5MB

  • MD5

    50b94fdab98ec014a36e82defc3e338e

  • SHA1

    ac25d9cbef937754155e9f03f3af3cce52b74ba7

  • SHA256

    8353dfb0aaef6842df37c669ccbd506d94f34e76b54b65f2a09a8db5102cb4a7

  • SHA512

    730da0fad2e76516784b95e8773c9aa4cfc9c97f421f35e1d307b092c0edebd1a0466a326f5fdbf03f6cb8a19ee6de750c5fcd471d3045974324a90c9e089265

  • SSDEEP

    24576:p/FKhdUj9X3J8Zz2xghrxbGcdtYavsIi1xkQe9hu8UpkYy6Buc/te5seRtEKQ8iP:pmA58Pa2tfvsXLkhqpkYy6Bucle5sGEf

Malware Config

Signatures

  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

  • Detect Blackmoon payload 5 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • UPX packed file 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8353dfb0aaef6842df37c669ccbd506d94f34e76b54b65f2a09a8db5102cb4a7.exe
    "C:\Users\Admin\AppData\Local\Temp\8353dfb0aaef6842df37c669ccbd506d94f34e76b54b65f2a09a8db5102cb4a7.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3000
    • C:\Users\Public\Downloads\QYFDJEAm.exe
      "C:\Users\Public\Downloads\QYFDJEAm.exe" -auto
      2⤵
      • Executes dropped EXE
      PID:1516
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\8353DF~1.EXE > nul
      2⤵
        PID:3740
    • C:\Users\Public\Downloads\QYFDJEAm.exe
      \Users\Public\Downloads\QYFDJEAm.exe Service 1
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2804
      • C:\Users\Public\Downloads\QYFDJEAm.exe
        -ojbk
        2⤵
        • Executes dropped EXE
        PID:2260

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Public\Downloads\QYFDJEAm.exe

      Filesize

      1.5MB

      MD5

      50b94fdab98ec014a36e82defc3e338e

      SHA1

      ac25d9cbef937754155e9f03f3af3cce52b74ba7

      SHA256

      8353dfb0aaef6842df37c669ccbd506d94f34e76b54b65f2a09a8db5102cb4a7

      SHA512

      730da0fad2e76516784b95e8773c9aa4cfc9c97f421f35e1d307b092c0edebd1a0466a326f5fdbf03f6cb8a19ee6de750c5fcd471d3045974324a90c9e089265

    • C:\Users\Public\Downloads\QYFDJEAm.exe

      Filesize

      1.5MB

      MD5

      50b94fdab98ec014a36e82defc3e338e

      SHA1

      ac25d9cbef937754155e9f03f3af3cce52b74ba7

      SHA256

      8353dfb0aaef6842df37c669ccbd506d94f34e76b54b65f2a09a8db5102cb4a7

      SHA512

      730da0fad2e76516784b95e8773c9aa4cfc9c97f421f35e1d307b092c0edebd1a0466a326f5fdbf03f6cb8a19ee6de750c5fcd471d3045974324a90c9e089265

    • C:\Users\Public\Downloads\QYFDJEAm.exe

      Filesize

      1.5MB

      MD5

      50b94fdab98ec014a36e82defc3e338e

      SHA1

      ac25d9cbef937754155e9f03f3af3cce52b74ba7

      SHA256

      8353dfb0aaef6842df37c669ccbd506d94f34e76b54b65f2a09a8db5102cb4a7

      SHA512

      730da0fad2e76516784b95e8773c9aa4cfc9c97f421f35e1d307b092c0edebd1a0466a326f5fdbf03f6cb8a19ee6de750c5fcd471d3045974324a90c9e089265

    • C:\Users\Public\Downloads\QYFDJEAm.exe

      Filesize

      1.5MB

      MD5

      50b94fdab98ec014a36e82defc3e338e

      SHA1

      ac25d9cbef937754155e9f03f3af3cce52b74ba7

      SHA256

      8353dfb0aaef6842df37c669ccbd506d94f34e76b54b65f2a09a8db5102cb4a7

      SHA512

      730da0fad2e76516784b95e8773c9aa4cfc9c97f421f35e1d307b092c0edebd1a0466a326f5fdbf03f6cb8a19ee6de750c5fcd471d3045974324a90c9e089265

    • C:\Users\Public\Downloads\QYFDJEAm.exe

      Filesize

      1.5MB

      MD5

      50b94fdab98ec014a36e82defc3e338e

      SHA1

      ac25d9cbef937754155e9f03f3af3cce52b74ba7

      SHA256

      8353dfb0aaef6842df37c669ccbd506d94f34e76b54b65f2a09a8db5102cb4a7

      SHA512

      730da0fad2e76516784b95e8773c9aa4cfc9c97f421f35e1d307b092c0edebd1a0466a326f5fdbf03f6cb8a19ee6de750c5fcd471d3045974324a90c9e089265

    • memory/2260-146-0x00000000020F0000-0x00000000020FB000-memory.dmp

      Filesize

      44KB

    • memory/2260-147-0x00000000020F0000-0x00000000020FB000-memory.dmp

      Filesize

      44KB