Analysis

  • max time kernel
    129s
  • max time network
    77s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 14:40

General

  • Target

    067C2A2F4C8344F55CAE9CC1C6BA03324A4CC99AE5FACD672D100C71F64233E0.xls

  • Size

    560KB

  • MD5

    c1cb29e7ba19799e20fae14ffa698418

  • SHA1

    f110beaef6f2e5087e5d5accfa393699aa14fd6a

  • SHA256

    067c2a2f4c8344f55cae9cc1c6ba03324a4cc99ae5facd672d100c71f64233e0

  • SHA512

    376eed6b11c41862de2f2a5d1616f59f3cc0e9dc5e2b25b19ee3455956bef18374d1cea3ed53539b52c3efa223e277265d3b45116a86776336d684ce7a2f5d54

  • SSDEEP

    12288:NdNqrDx7XXXXXXXXXXXXUXXXXXXXrXXXXXXXXEmYoTmVTmQZyZ7vsuzY/+s:8r5XXXXXXXXXXXXUXXXXXXXrXXXXXXXV

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\067C2A2F4C8344F55CAE9CC1C6BA03324A4CC99AE5FACD672D100C71F64233E0.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:956
  • 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:1916

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Exploitation for Client Execution

1
T1203

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/956-54-0x000000002F271000-0x000000002F274000-memory.dmp
    Filesize

    12KB

  • memory/956-55-0x0000000071881000-0x0000000071883000-memory.dmp
    Filesize

    8KB

  • memory/956-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/956-57-0x000000007286D000-0x0000000072878000-memory.dmp
    Filesize

    44KB

  • memory/956-58-0x0000000075931000-0x0000000075933000-memory.dmp
    Filesize

    8KB

  • memory/956-60-0x000000007286D000-0x0000000072878000-memory.dmp
    Filesize

    44KB

  • memory/956-61-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/956-62-0x000000007286D000-0x0000000072878000-memory.dmp
    Filesize

    44KB