Overview

overview

10

Static

static

8

Guidelines.xlam

windows7_x64

10

Guidelines.xlam

windows10_x64

10

Analysis

  • max time kernel
    157s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    30-01-2022 00:44

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General

  • Target

    Guidelines.xlam

  • Size

    127KB

  • MD5

    e0f6bcdb71df502f7aefe22db8207a69

  • SHA1

    9f7357219cbfb5b940d5809f8564a6bb821fa036

  • SHA256

    0335de8eadbbd5dc7cbe92ef869bcea6f6596ac39a38680142c982ec6e97ecde

  • SHA512

    ea9fc5fe2bcd8a225c7f7f7b8ea832e3d143278a07c6264edaf9476fb5e7852efdd9b3dbcde6e211ccb1e6d011b11845def65af58e9298a01b3067a05200d7cc

Score
10/10
crimsonratrat

Malware Config

Signatures

  • CrimsonRAT Main Payload 2 IoCs
  • CrimsonRat

    Crimson RAT is a malware linked to a Pakistani-linked threat actor.

    ratcrimsonrat
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 11 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\Guidelines.xlam
    1⤵
    • Loads dropped DLL
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1648
    • C:\Users\Admin\Glhvadia\hbraeiwas.exe
      C:\Users\Admin\Glhvadia\hbraeiwas.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:972
      • C:\ProgramData\Hdlharas\dlrarhsiva.exe
        "C:\ProgramData\Hdlharas\dlrarhsiva.exe"
        3⤵
        • Executes dropped EXE
        PID:976

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/972-63-0x000007FEF2E60000-0x000007FEF3EF6000-memory.dmp

    Filesize

    16.6MB

    Download

  • memory/972-64-0x0000000000A60000-0x0000000000A62000-memory.dmp

    Filesize

    8KB

    Download

  • memory/972-65-0x0000000000A66000-0x0000000000A85000-memory.dmp

    Filesize

    124KB

    Download

  • memory/976-68-0x000007FEF2E60000-0x000007FEF3EF6000-memory.dmp

    Filesize

    16.6MB

    Download

  • memory/976-69-0x0000000000B40000-0x0000000000B42000-memory.dmp

    Filesize

    8KB

    Download

  • memory/976-70-0x0000000000B46000-0x0000000000B65000-memory.dmp

    Filesize

    124KB

    Download

  • memory/1648-59-0x0000000005F60000-0x0000000005F62000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1648-58-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1648-55-0x000000002F2A1000-0x000000002F2A4000-memory.dmp

    Filesize

    12KB

    Download

  • memory/1648-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1648-56-0x0000000071C01000-0x0000000071C03000-memory.dmp

    Filesize

    8KB

    Download