Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-04-2024 03:34

General

  • Target

    d03b466887d59a3c98ae312c7f317e998a73c7212a78391e859c95bd981c992a.exe

  • Size

    1.5MB

  • MD5

    13c291a51303cb5b0d165e16fb16adbf

  • SHA1

    67770e925c3f03212afdbdf20e84a7de8d682465

  • SHA256

    d03b466887d59a3c98ae312c7f317e998a73c7212a78391e859c95bd981c992a

  • SHA512

    b2064b2ee4bdd4ac1bc8a3b1ba49c3cd359c098100ebf0ffe55566cb920478a806758a536b53b5216e66fdb2207d1df5ca2ff850a4ea23afc3941f81701205d1

  • SSDEEP

    12288:wHZVm/7ePnv+TWM+6+xTGzgFA+u/x8acJdPACFFbLFi8cj5UQbM72voL:2v+NWu/adRYj5UQO5

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 10 IoCs
  • UPX dump on OEP (original entry point) 15 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • UPX packed file 15 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d03b466887d59a3c98ae312c7f317e998a73c7212a78391e859c95bd981c992a.exe
    "C:\Users\Admin\AppData\Local\Temp\d03b466887d59a3c98ae312c7f317e998a73c7212a78391e859c95bd981c992a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2456
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\QPKJE.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2504
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Window Updates" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe" /f
        3⤵
        • Adds Run key to start application
        PID:5028
    • C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe
      "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4688
      • C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe
        "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1076
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2212
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:3224
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3284
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:5060
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3908
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:392
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Windows Updater.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Updater.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4164
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Windows Updater.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Updater.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:4296

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

3
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\QPKJE.txt
    Filesize

    158B

    MD5

    1954c7e666c5b4d1117ef07bc0c9b8ec

    SHA1

    559e3c0273c1463e9184027b749bdaad0a372681

    SHA256

    35e0dbc8b455ca38976157ce9d0293fd6cdca20f46f1cb69058a1e0f0af6f693

    SHA512

    3939de8d0ab7e67b59ff8bebed5580dafd38d8785193fd42a289728500761a68b9e6660605e19e10d4278dd106fea4b273a208f25485e7389c8f19b2958c926a

  • C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.txt
    Filesize

    1.5MB

    MD5

    7bd713ad3f4f78df7ef3cf9c26ead84e

    SHA1

    9e2ff737efee399dea8a120237417d6f8ebf08a2

    SHA256

    1ba94e7021358d974067423031d4e603c86cb8150e45045a1e6f110a378867da

    SHA512

    e32d7b19cd96a1f9ebd48077ca98f3e60291a07f1642929051635875a71759970aab2e57da042b9940ddef1952c67803c21eeacf099878269749b39a129af9b2

  • memory/1076-43-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/1076-45-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/1076-34-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/1076-35-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/1076-41-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/1076-42-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/1076-55-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/1076-31-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/1076-46-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/1076-47-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/1076-49-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/1076-50-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/1076-51-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/1076-53-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/1076-54-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/2456-0-0x0000000000400000-0x000000000058D000-memory.dmp
    Filesize

    1.6MB