Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-11-2024 19:01

General

  • Target

    a1b55be6b09d9a29939053f6bf787ad62b1c0af7f96e7397241acc9f335c3dca.exe

  • Size

    2.0MB

  • MD5

    63f37a60aae7dc1cc35d06f53a620299

  • SHA1

    6a9028c5474842b72b8e45fd641eba8ab5911d6d

  • SHA256

    a1b55be6b09d9a29939053f6bf787ad62b1c0af7f96e7397241acc9f335c3dca

  • SHA512

    921a9834c68b70b1f0e2459ff284b1fc751c5b1cfe59c6f6633b74c0cc0345e12db89b4f01c95b69c843085c76bc9c09c7233a81ef38e6df9c9eac70bd2fa0d2

  • SSDEEP

    49152:YsThC6TYNwUXz+JR2wjx8+X5gZ+th1aaucQPfM7cSCGDt7WWcrRhajx3l7bQonWF:YsThC6TYNwUXz+JR2wjx8+JgZ+th1aas

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 10 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 22 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 14 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a1b55be6b09d9a29939053f6bf787ad62b1c0af7f96e7397241acc9f335c3dca.exe
    "C:\Users\Admin\AppData\Local\Temp\a1b55be6b09d9a29939053f6bf787ad62b1c0af7f96e7397241acc9f335c3dca.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3696
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\KJEDn.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3316
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "WindowsDef" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Directory\Windowsdef.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:316
    • C:\Users\Admin\AppData\Roaming\Directory\Windowsdef.exe
      "C:\Users\Admin\AppData\Roaming\Directory\Windowsdef.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2124
      • C:\Users\Admin\AppData\Roaming\Directory\Windowsdef.exe
        C:\Users\Admin\AppData\Roaming\Directory\Windowsdef.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4240
        • 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⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3592
          • 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
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2724
        • 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\Directory\Windowsdef.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Directory\Windowsdef.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4224
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Directory\Windowsdef.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Directory\Windowsdef.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:1552
        • 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⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2260
          • 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
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2740
        • 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\bot.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\bot.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3960
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\bot.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\bot.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:1368
      • C:\Users\Admin\AppData\Roaming\Directory\Windowsdef.exe
        C:\Users\Admin\AppData\Roaming\Directory\Windowsdef.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1208

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\KJEDn.txt

    Filesize

    152B

    MD5

    130a1ad614bfc1851533b7a02e302622

    SHA1

    6cd68d0bacb7b24ca9baedc80d90f1bfca3bb92c

    SHA256

    4620f5f49d3f3c3fcb10d7dd83e5fdc0b2efd44ae429ee5a8dc3e64d76e6bc9a

    SHA512

    16b5e40deb2e66287b86bbff11ac986f36b94a5849fbe2ed7124296e95d563ec0e9b00cbd6008c993c383d1610d371177faf5a9cd5da77a34a778e901f9e7a25

  • C:\Users\Admin\AppData\Roaming\Directory\Windowsdef.txt

    Filesize

    2.0MB

    MD5

    b7a54016d6dc509552fa2069600fa57b

    SHA1

    c39a3497d1609be5b9ca7dc5bf14a962ad36d217

    SHA256

    2b250137429b48e7a0961702a03fae7ce8f07ec58c9eba56ee3ce4598a700725

    SHA512

    7095601b58a09d96b340658109e501967a5f8a38380096dfc8d6e8315a058da4c902f70d83f752827e790fc5ac7e85dd57d10002ec95f2ec77e28794538f4fbf

  • memory/1208-37-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1208-52-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1208-41-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1208-44-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2124-48-0x0000000000400000-0x00000000005FD000-memory.dmp

    Filesize

    2.0MB

  • memory/3696-28-0x0000000000400000-0x00000000005FD000-memory.dmp

    Filesize

    2.0MB

  • memory/3696-0-0x0000000000400000-0x00000000005FD000-memory.dmp

    Filesize

    2.0MB

  • memory/4240-31-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4240-62-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4240-51-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4240-36-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4240-53-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4240-58-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4240-60-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4240-34-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4240-65-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4240-67-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4240-69-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4240-72-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4240-74-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4240-76-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB