Analysis

  • max time kernel
    178s
  • max time network
    182s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 09:45

General

  • Target

    7a8979d7529aff95bc92828b7e005192c451f764c831c2819891d18af966bda0.exe

  • Size

    29KB

  • MD5

    0816fbe3f9db95d1d5d17c847ad7de7f

  • SHA1

    11860a60879b14b8b08193f52ff9bbe5cd9cbdd2

  • SHA256

    7a8979d7529aff95bc92828b7e005192c451f764c831c2819891d18af966bda0

  • SHA512

    9ed81069776a877bd70aedb51deb2c0bf87810105aa63164defb99d69ba8ae52612d83c1f0edeec1bc349f4fda649dd07ddcbddb3cc610d7edb59aeccb8b2976

  • SSDEEP

    768:bncSv1fYN9bjyoPg3lspxTjWtL8LIazF9:ASve9bjm1spJWV6IE9

Malware Config

Signatures

  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 2 IoCs
  • Drops file in Drivers directory 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 26 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7a8979d7529aff95bc92828b7e005192c451f764c831c2819891d18af966bda0.exe
    "C:\Users\Admin\AppData\Local\Temp\7a8979d7529aff95bc92828b7e005192c451f764c831c2819891d18af966bda0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3932
    • C:\Users\Admin\AppData\Local\Temp\7a8979d7529aff95bc92828b7e005192c451f764c831c2819891d18af966bda0.exe
      "C:\Users\Admin\AppData\Local\Temp\7a8979d7529aff95bc92828b7e005192c451f764c831c2819891d18af966bda0.exe"
      2⤵
      • Drops file in Drivers directory
      • Adds Run key to start application
      • Drops file in Program Files directory
      • Modifies Internet Explorer settings
      • Modifies Internet Explorer start page
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1080
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4688
        • C:\Program Files\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1436
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1436 CREDAT:17410 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4128

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Replay Monitor

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Downloads

  • memory/1080-133-0x0000000000000000-mapping.dmp
  • memory/1080-134-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/1080-137-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/1080-138-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/1080-139-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/3932-132-0x0000000000400000-0x000000000040A000-memory.dmp
    Filesize

    40KB

  • memory/3932-135-0x0000000000400000-0x000000000040A000-memory.dmp
    Filesize

    40KB