Analysis

  • max time kernel
    101s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    14-03-2023 19:19

General

  • Target

    Remittance_Slip _SWIFT.xls

  • Size

    2.4MB

  • MD5

    8967f31015610b8e2d98bf7057aa6152

  • SHA1

    0e7ab875aed9309da0cc85445198b66518e4e21b

  • SHA256

    32ae6225af51e4282000359247128f165831c8282def078d750594bb9cb381a7

  • SHA512

    cb9bfaccf6f30d39664ff34ea00497b45143a73c57664c3aece727cc29ff14f52ebe16fb4f0834787c89da846f0195e6c0d7fbb1c593f9642d7e18b91e51958e

  • SSDEEP

    49152:cbxEBMH3bV+bxEBMcu3bV1Tc2WS6ULfdYCiLViD+dJ8sLO+tg:cb2KV+b2d2Ve2D6UpYHZ2+HQm

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Launches Equation Editor 1 TTPs 1 IoCs

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 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\Remittance_Slip _SWIFT.xls"
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1408
  • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
    "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
    1⤵
    • Blocklisted process makes network request
    • Launches Equation Editor
    PID:436

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1408-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1408-60-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB