Analysis

  • max time kernel
    32s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    21-02-2023 07:48

General

  • Target

    Software/About/CoreFile.docx

  • Size

    1.3MB

  • MD5

    71fda98dec9558a1f3fd0997da984afe

  • SHA1

    bfa62ac61a091802a45a0c01fa9ddab5c3354adf

  • SHA256

    d58843e02d3d29b14ecda7902721e28bbd5491d9803bc96e35c1fa4e36fdec0d

  • SHA512

    788b6dd9c991aa9ce64f99625ab8ff9347a2deb234d453b3a37fe5be2a7e68ba5dd8991e26a5623fcac164682681fb253edfa3e11823a557078fc47b32aae2d8

  • SSDEEP

    24576:+9k65zehP8nFJYD3yVzNiVz5cnPTzgJ/jrW1nfuxafECqduek2AAQZnlfWpes:+ke2P8ouzNgzy7kJXcYCumZnxWf

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Software\About\CoreFile.docx"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1304
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x188
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1332

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\56BCF3EF.png
    Filesize

    359B

    MD5

    1b0c2f2cf9ec01545a939f385aa63a9b

    SHA1

    9c1e8631c040f8dd7fd5bae74a5ee19456f5849d

    SHA256

    54263f99639adf85f4113f619d594656c304af0b5263fd4fbfbf4ebce34f935f

    SHA512

    b2a9aec9fbff2c2c44c28df1eec4975731a1337d5d251ddef8577c2a9351a0558a7bd55734bb6acfdcef52e26ab86d278e51921f8517962a1f30b1f97d905b70

  • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
    Filesize

    20KB

    MD5

    120460243ca13f0a22cdecaeaab77b6d

    SHA1

    1f6f2886429352161a67c7f8dc986e3228a27630

    SHA256

    21b295c3da28fa3c73050b9062fa50a95ac5d4306138a2bf7f19292e0cc50049

    SHA512

    40a511638e5bde4761bafdacac9472faaa58b9c4883e35c1c89f092c396c5bade804d16627a87afd5c73ca937cb290eb6fd125206c964090b5d312f1df985fb2

  • C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex
    Filesize

    2B

    MD5

    f3b25701fe362ec84616a93a45ce9998

    SHA1

    d62636d8caec13f04e28442a0a6fa1afeb024bbb

    SHA256

    b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

    SHA512

    98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

  • memory/1304-54-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1304-134-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB