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Overview

overview

8

Static

static

3

bobby.exe

windows10-1703-x64

8

Analysis

  • max time kernel
    1779s
  • max time network
    1593s
  • platform
    windows10-1703_x64
  • resource
    win10-20240221-en
  • resource tags

    arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system
  • submitted
    27/03/2024, 16:45

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General

  • Target

    bobby.exe

  • Size

    18KB

  • MD5

    b1505998d8afd019bf6dbfaf0bf2f22b

  • SHA1

    b323ce2fe6b06b66d58fe9d37ebbad057b3dcd5d

  • SHA256

    3df4cf45efbda747693c01ad7cb9d6101409d35f86be137eec672b7cb719ee43

  • SHA512

    2070739924579aaf2953aadc0986c67bbeefc9fc5c38827778e43897045c7495ff0a18cc2d1b4ea4b401ccc3eba3c7ff7b7bae62bacee97591900a33cd106ff8

  • SSDEEP

    384:/u5eE1B308UXvb+Oi/RpkoDrye3DeKBQ1yHlWgVt:25eCqPXTk/DkoD2eTTG1

Score
8/10
persistence

Malware Config

Signatures

  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 5 IoCs
  • Checks SCSI registry key(s) 3 TTPs 29 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 29 IoCs
  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bobby.exe
    "C:\Users\Admin\AppData\Local\Temp\bobby.exe"
    1⤵
      PID:2160
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /7
      1⤵
      • Drops file in Windows directory
      • Checks SCSI registry key(s)
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:704
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Enumerates connected drives
      • Drops file in Windows directory
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:856
    • C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
      1⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:1172

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/856-7-0x00000000027A0000-0x00000000027A1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/856-57-0x0000000005C50000-0x0000000005D88000-memory.dmp

      Filesize

      1.2MB

      Download

    • memory/856-58-0x0000000005C50000-0x0000000005D88000-memory.dmp

      Filesize

      1.2MB

      Download

    • memory/1172-14-0x00000164D9930000-0x00000164D9950000-memory.dmp

      Filesize

      128KB

      Download

    • memory/1172-17-0x00000164D9AB0000-0x00000164D9AD0000-memory.dmp

      Filesize

      128KB

      Download