Analysis

  • max time kernel
    111s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    19-03-2023 04:05

General

  • Target

    5b7ff99c955fa55f1f884a09a912b64f5a1aea40caed0cdf86d0ebe4fe45a06e.exe

  • Size

    550KB

  • MD5

    f955416a22928eb08bff910bc34fb920

  • SHA1

    256721c9990152c749ef8f4f051e3999c2ec85e7

  • SHA256

    5b7ff99c955fa55f1f884a09a912b64f5a1aea40caed0cdf86d0ebe4fe45a06e

  • SHA512

    b1b979d3cb68ebdfc226fd1a799ff3f3a833026e77eb89caa251624571678aad8d9d35924fa7527491f765b78e4cd2507bdcb093b54edecfbf5feccb848231fb

  • SSDEEP

    12288:KSRhpHuPu7JQXCTWc22je8qH4iHdraa6/0NZ443dXq9s:KshpSW/22je8qH4iHxHM0NZnV

Malware Config

Signatures

  • Office macro that triggers on suspicious action 1 IoCs

    Office document macro which triggers in special circumstances - often malicious.

  • Enumerates physical storage devices 1 TTPs

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

  • 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 SetWindowsHookEx 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b7ff99c955fa55f1f884a09a912b64f5a1aea40caed0cdf86d0ebe4fe45a06e.exe
    "C:\Users\Admin\AppData\Local\Temp\5b7ff99c955fa55f1f884a09a912b64f5a1aea40caed0cdf86d0ebe4fe45a06e.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:1360
  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:780

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\V617YF.Dll

    Filesize

    342KB

    MD5

    aa3dbd12739bd46fc2c7d6a3fa57ee70

    SHA1

    98767b2da5d82f14d2fbcedd9f706e2134e1b11d

    SHA256

    c8130704f324d48bac49814e6cdbac9f8aa00268f5d4f7bef0ac748f59ffd9f6

    SHA512

    292547d4ad672546bb8ba569a7aa825c00b68ab853461e0c543c8293e08bb4371a1ca6c81edba8e55c82bec43de7599f26c522be7c3eb55db0ee05816db97733

  • memory/780-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/780-63-0x0000000002580000-0x0000000002582000-memory.dmp

    Filesize

    8KB

  • memory/780-69-0x0000000005980000-0x0000000005A80000-memory.dmp

    Filesize

    1024KB

  • memory/780-72-0x0000000005560000-0x0000000005660000-memory.dmp

    Filesize

    1024KB

  • memory/780-73-0x0000000005560000-0x0000000005660000-memory.dmp

    Filesize

    1024KB

  • memory/1360-62-0x0000000002790000-0x0000000002792000-memory.dmp

    Filesize

    8KB