Resubmissions

11/05/2020, 15:26

200511-xt1564wyhj 10

05/05/2020, 23:59

200505-rl298pza1a 10

Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    05/05/2020, 23:59

General

  • Target

    go.exe

  • Size

    2.5MB

  • MD5

    f7508239b937b2427649be8f77718f60

  • SHA1

    ae85ece228d81f1b4cc8203bab4a8a2e45c2dc05

  • SHA256

    fa7465ff52d0725c0ce446ca4f1686a3912c5117e7e37d87c5c4c013ec629599

  • SHA512

    005a8cb1408d1049cf7926309bc7bf17689588b8804defd99dbfced6c36795faab4559320dc71d59f5259c7858bdb032d88c83c56f6cde2e9d9f0d28f8f1a66f

Score
10/10

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Makes http(s) request 1 IoCs

    Contacts server via http/https, possibly for C2 communication.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Modifies control panel 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Checks whether UAC is enabled 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Modifies registry class 114 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\go.exe
    "C:\Users\Admin\AppData\Local\Temp\go.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1164
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe url.dll,FileProtocolHandler https://google.com/
      2⤵
        PID:2112
      • C:\Windows\System32\rundll32.exe
        C:\Windows\System32\rundll32.exe url.dll,FileProtocolHandler C:\Users\Admin/Desktop/LEEME.txt
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4024
        • C:\Windows\system32\NOTEPAD.EXE
          "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\LEEME.txt
          3⤵
          • Opens file in notepad (likely ransom note)
          PID:1612
    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
      1⤵
      • Suspicious use of SetWindowsHookEx
      • Modifies control panel
      • Modifies Internet Explorer settings
      • Suspicious use of AdjustPrivilegeToken
      • Checks whether UAC is enabled
      • Drops file in Windows directory
      • Modifies registry class
      PID:3968
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 3968 -s 3396
        2⤵
        • Program crash
        • Suspicious use of NtCreateProcessExOtherParentProcess
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1128
    • C:\Windows\system32\browser_broker.exe
      C:\Windows\system32\browser_broker.exe -Embedding
      1⤵
      • Modifies Internet Explorer settings
      PID:3532

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1128-1-0x00000200056A0000-0x00000200056A1000-memory.dmp

      Filesize

      4KB

    • memory/1128-2-0x00000200056A0000-0x00000200056A1000-memory.dmp

      Filesize

      4KB

    • memory/1128-4-0x0000020006510000-0x0000020006511000-memory.dmp

      Filesize

      4KB

    • memory/1128-7-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-8-0x0000020006600000-0x0000020006601000-memory.dmp

      Filesize

      4KB

    • memory/1128-9-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-10-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-11-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-12-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-13-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-14-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-15-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-16-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-17-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-18-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-19-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-20-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-21-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-22-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-23-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-24-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-25-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-26-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-27-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-28-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-29-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-30-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-31-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-32-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-33-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-34-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-35-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-36-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-37-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-38-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-39-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-40-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-41-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-42-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-43-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-44-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-45-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-46-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-47-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-48-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-49-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-50-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-51-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-52-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-53-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-54-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-55-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-56-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-57-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-58-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-59-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-60-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-61-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-62-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-63-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-64-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-65-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-66-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-67-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-68-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-69-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-70-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-71-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-72-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-73-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-74-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-75-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-76-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-77-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-78-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-79-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-80-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-81-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-82-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-83-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-84-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-85-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-86-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-87-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-88-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-89-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-90-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-91-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-92-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-93-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-94-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-95-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-96-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-97-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-98-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-99-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-100-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-101-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-102-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-103-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-104-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-105-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-106-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-107-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-108-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-109-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-110-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-111-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-112-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-113-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-114-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-115-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-116-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-117-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-118-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-119-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-120-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-121-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-122-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-123-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-124-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-125-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-126-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-127-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-128-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-129-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-130-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB

    • memory/1128-131-0x0000020003BD0000-0x0000020003BD1000-memory.dmp

      Filesize

      4KB