Analysis

  • max time kernel
    101s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29-01-2023 19:21

General

  • Target

    a5499f4b5c28bc94e1fe2dfcd5a3a490feaee58d7f431d0231b61a7e3b180f87.xls

  • Size

    35KB

  • MD5

    c26b81534d6d01ca5baf38b476f1f262

  • SHA1

    a891c30369b99939fb14cd4172663761f3dac8c0

  • SHA256

    a5499f4b5c28bc94e1fe2dfcd5a3a490feaee58d7f431d0231b61a7e3b180f87

  • SHA512

    a3da43e3a18d80b307adf2b03a2b0276e247758616e8ce0f44a896223708453ee372233695048d3923688a040e5d8e2f53f4eeaefd8ed62db222d1972b074b4e

  • SSDEEP

    768:/PqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJoCd7w74TxC:3ok3hbdlylKsgqopeJBWhZFGkE+cL2Nn

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://syracuse.best/wp-data.php

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • 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
  • Suspicious use of WriteProcessMemory 7 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\a5499f4b5c28bc94e1fe2dfcd5a3a490feaee58d7f431d0231b61a7e3b180f87.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\jOLsYRw7.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:1072

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

  • memory/1072-60-0x0000000000000000-mapping.dmp
  • memory/2004-54-0x000000002F7E1000-0x000000002F7E4000-memory.dmp
    Filesize

    12KB

  • memory/2004-55-0x0000000070D21000-0x0000000070D23000-memory.dmp
    Filesize

    8KB

  • memory/2004-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/2004-57-0x0000000071D0D000-0x0000000071D18000-memory.dmp
    Filesize

    44KB

  • memory/2004-58-0x0000000074AB1000-0x0000000074AB3000-memory.dmp
    Filesize

    8KB

  • memory/2004-59-0x0000000071D0D000-0x0000000071D18000-memory.dmp
    Filesize

    44KB

  • memory/2004-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/2004-63-0x0000000071D0D000-0x0000000071D18000-memory.dmp
    Filesize

    44KB