Analysis

  • max time kernel
    131s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2022, 23:45

General

  • Target

    a8b6afcf4b23a235bf9bc0d4bde33a68ead19fbafce3694b3c8ab602c40d5885.exe

  • Size

    176KB

  • MD5

    76e0e62f1569576b71d76d83ce4a8aa0

  • SHA1

    13d2ef143ebf3df93344948f59d061589e843e49

  • SHA256

    a8b6afcf4b23a235bf9bc0d4bde33a68ead19fbafce3694b3c8ab602c40d5885

  • SHA512

    8394a7ea5714ff40206930796fc35957293b46fb0a03915accb11b6df757a5e1350dfff1ead094cdc1a0ef508f2b61772e7c6d71197eb54cb6ef038956ea07fd

  • SSDEEP

    768:xH/nnbwsrpEFEuo2GP+faFwv2+8ajKGNGa/DrX0s42nDhej1H:xfMomU2O+faFwjHDDbHnFkH

Malware Config

Signatures

  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 32 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a8b6afcf4b23a235bf9bc0d4bde33a68ead19fbafce3694b3c8ab602c40d5885.exe
    "C:\Users\Admin\AppData\Local\Temp\a8b6afcf4b23a235bf9bc0d4bde33a68ead19fbafce3694b3c8ab602c40d5885.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:1748
    • C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://xz.sweetsstory.com/xz.html
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4984
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4984 CREDAT:17410 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1992
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ping 127.0.0.1 -n 3&del "C:\Users\Admin\AppData\Local\Temp\a8b6afcf4b23a235bf9bc0d4bde33a68ead19fbafce3694b3c8ab602c40d5885.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1860
  • C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 3
    1⤵
    • Runs ping.exe
    PID:1028

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1748-133-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/1748-135-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB