Analysis

  • max time kernel
    119s
  • max time network
    105s
  • platform
    windows10_x64
  • resource
    win10-ja-20210920
  • submitted
    25-09-2021 06:18

General

  • Target

    9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

  • Size

    360KB

  • MD5

    6e223f8e362245614a74d9865d0817b0

  • SHA1

    dd8d9ea9d62bcf6a7e69bbf6dd81457103bcc29e

  • SHA256

    9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e

  • SHA512

    36321cbe8c9b17a939241247baa27e204f51c2f8c8667cafd3ddd939159412ead8addf663b2285499396917f1bebe51cc9f1ec7c218645f877860010da5c4e1a

Score
10/10

Malware Config

Signatures

  • Registers COM server for autorun 1 TTPs
  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies data under HKEY_USERS 23 IoCs
  • Modifies registry class 44 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe
    "C:\Users\Admin\AppData\Local\Temp\9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3192
    • C:\Users\Admin\AppData\Local\Temp\9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe
      "C:\Users\Admin\AppData\Local\Temp\9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe"
      2⤵
      • Executes dropped EXE
      PID:3208
  • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\21.170.0822.0002\FileSyncConfig.exe
    "C:\Users\Admin\AppData\Local\Microsoft\OneDrive\21.170.0822.0002\FileSyncConfig.exe"
    1⤵
    • Modifies registry class
    PID:3592
  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeC2RClient.exe
    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeC2RClient.exe" /frequentupdate SCHEDULEDTASK displaylevel=False
    1⤵
    • Drops file in System32 directory
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:4804

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e.exe

    MD5

    6e223f8e362245614a74d9865d0817b0

    SHA1

    dd8d9ea9d62bcf6a7e69bbf6dd81457103bcc29e

    SHA256

    9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e

    SHA512

    36321cbe8c9b17a939241247baa27e204f51c2f8c8667cafd3ddd939159412ead8addf663b2285499396917f1bebe51cc9f1ec7c218645f877860010da5c4e1a

  • memory/3192-115-0x0000000000800000-0x0000000000801000-memory.dmp

    Filesize

    4KB

  • memory/3192-117-0x0000000005620000-0x0000000005621000-memory.dmp

    Filesize

    4KB

  • memory/3192-118-0x0000000001210000-0x0000000001212000-memory.dmp

    Filesize

    8KB

  • memory/3192-122-0x0000000005070000-0x0000000005071000-memory.dmp

    Filesize

    4KB

  • memory/3208-120-0x00000000004BE2B0-mapping.dmp