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Analysis

  • max time kernel
    100s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25/09/2022, 10:26

General

  • Target

    RFQ- TENDER 190616114.xlsx

  • Size

    1.8MB

  • MD5

    bc811901a34af9b0310fdce3a15f4297

  • SHA1

    dfae700ccd350396577fe1732ccbf451901e1f04

  • SHA256

    653e1d9d2480e09b710faad26f81a30d1e7bc21dae7ba9faccced7c515f1ead7

  • SHA512

    d405a33e989f9c58628d046d972ba98f0da342f7ef650fad17c035e54b9271eb5cd05a1b9947d26647a14258d0bf7c59036db171f3ab0ba5bebb3b7fdc4ac733

  • SSDEEP

    49152:i/XEG+EAa1n4e3IQdmXQ7jmjPLPUuFoBEMUr:iPEeF3IemA7jmjPTURUr

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 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\RFQ- TENDER 190616114.xlsx"
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:580
  • 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:1548

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/580-54-0x000000002F2B1000-0x000000002F2B4000-memory.dmp

    Filesize

    12KB

  • memory/580-55-0x0000000071431000-0x0000000071433000-memory.dmp

    Filesize

    8KB

  • memory/580-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/580-57-0x000000007241D000-0x0000000072428000-memory.dmp

    Filesize

    44KB

  • memory/580-58-0x0000000075931000-0x0000000075933000-memory.dmp

    Filesize

    8KB

  • memory/580-60-0x000000007241D000-0x0000000072428000-memory.dmp

    Filesize

    44KB

  • memory/580-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/580-62-0x000000007241D000-0x0000000072428000-memory.dmp

    Filesize

    44KB