Analysis

  • max time kernel
    107s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    05-08-2022 13:52

General

  • Target

    dbaf68e53f1b4437277935031a33a4c6c8b6456c52c0379f992a906a9256c499.xls

  • Size

    1.4MB

  • MD5

    5131f418189ede0e8ebff6bf4395b2a3

  • SHA1

    e32b7e32784c82a6dc0cbf865251730ba6e4bdd6

  • SHA256

    dbaf68e53f1b4437277935031a33a4c6c8b6456c52c0379f992a906a9256c499

  • SHA512

    7718cafff0b056f4617abc97f0a9273cfb251911a3c1fe3694339759655a7e2f0b4cce7f7e4fc1a33e474ba4b63d623981d0295c8bb5d80da02b14447ac277a9

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • 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
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 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\dbaf68e53f1b4437277935031a33a4c6c8b6456c52c0379f992a906a9256c499.xls
    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:1988
    • C:\Users\Admin\AppData\Roaming\WindowsSecurity.exe
      C:\Users\Admin\AppData\Roaming\WindowsSecurity.exe
      2⤵
      • Executes dropped EXE
      PID:1548

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\WindowsSecurity.exe
    Filesize

    659KB

    MD5

    04f7ee1aa5e29d2f2d4ea6b539d20709

    SHA1

    f72d2f06ee7aeaa9180e9ba3132192332dcc1bf8

    SHA256

    e9d550d9a18dd0efee23eb189ba79917d39e5c33fc1dfac662248868c260f073

    SHA512

    d317a7a15165ebb5f04d2a77cb26359afda8a53e3a998c79fc31984581d3fde676b8c017fe80d59a1592ede7e000a48b9733c193bd0d35546ac35cb5346c81c8

  • \Users\Admin\AppData\Roaming\WindowsSecurity.exe
    Filesize

    659KB

    MD5

    04f7ee1aa5e29d2f2d4ea6b539d20709

    SHA1

    f72d2f06ee7aeaa9180e9ba3132192332dcc1bf8

    SHA256

    e9d550d9a18dd0efee23eb189ba79917d39e5c33fc1dfac662248868c260f073

    SHA512

    d317a7a15165ebb5f04d2a77cb26359afda8a53e3a998c79fc31984581d3fde676b8c017fe80d59a1592ede7e000a48b9733c193bd0d35546ac35cb5346c81c8

  • memory/1548-60-0x0000000000000000-mapping.dmp
  • memory/1988-54-0x000000002FC51000-0x000000002FC54000-memory.dmp
    Filesize

    12KB

  • memory/1988-55-0x0000000071161000-0x0000000071163000-memory.dmp
    Filesize

    8KB

  • memory/1988-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1988-57-0x0000000075731000-0x0000000075733000-memory.dmp
    Filesize

    8KB

  • memory/1988-58-0x000000007214D000-0x0000000072158000-memory.dmp
    Filesize

    44KB

  • memory/1988-62-0x000000007214D000-0x0000000072158000-memory.dmp
    Filesize

    44KB

  • memory/1988-63-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1988-64-0x000000007214D000-0x0000000072158000-memory.dmp
    Filesize

    44KB