Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2024 05:11

General

  • Target

    b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exe

  • Size

    205KB

  • MD5

    b6ac49d55c1a26bd29fd8306257b512f

  • SHA1

    23cccc09b0b56b5c4119ce8833c3b629cc38e1c5

  • SHA256

    b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3

  • SHA512

    bc730922cf76cf76ac18b4860a26db2f8792073ac7fd0c4f794949930708630f0ba528cac2f0605a09fd8ee0f69edf6df8f777ad541862b57d7914aa6631af79

  • SSDEEP

    768:NHP/0gh1VgRDfqkLOpONM+EoiKv35BMCD:FTBiuPONM+R5f

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 6 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 6 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 6 IoCs
  • Disables RegEdit via registry modification 12 IoCs
  • Disables cmd.exe use via registry modification 6 IoCs
  • Drops file in Drivers directory 2 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 10 IoCs
  • Adds Run key to start application 2 TTPs 12 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 14 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exe
    "C:\Users\Admin\AppData\Local\Temp\b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Modifies visibility of file extensions in Explorer
    • Modifies visiblity of hidden/system files in Explorer
    • Disables RegEdit via registry modification
    • Disables cmd.exe use via registry modification
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2684
    • C:\Windows\SysWOW64\explorer.exe
      explorer.exe
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2164
    • C:\Users\Admin\AppData\Local\smss.exe
      C:\Users\Admin\AppData\Local\smss.exe
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Disables RegEdit via registry modification
      • Disables cmd.exe use via registry modification
      • Drops startup file
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in System32 directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2780
      • C:\Users\Admin\AppData\Local\winlogon.exe
        C:\Users\Admin\AppData\Local\winlogon.exe
        3⤵
        • Modifies WinLogon for persistence
        • Modifies visibility of file extensions in Explorer
        • Modifies visiblity of hidden/system files in Explorer
        • Disables RegEdit via registry modification
        • Disables cmd.exe use via registry modification
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2720
      • C:\Windows\SysWOW64\at.exe
        at /delete /y
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2688
      • C:\Windows\SysWOW64\at.exe
        at 17:08 /every:M,T,W,Th,F,S,Su "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Brengkolang.com"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2952
      • C:\Users\Admin\AppData\Local\services.exe
        C:\Users\Admin\AppData\Local\services.exe
        3⤵
        • Modifies WinLogon for persistence
        • Modifies visibility of file extensions in Explorer
        • Modifies visiblity of hidden/system files in Explorer
        • Disables RegEdit via registry modification
        • Disables cmd.exe use via registry modification
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1988
      • C:\Users\Admin\AppData\Local\lsass.exe
        C:\Users\Admin\AppData\Local\lsass.exe
        3⤵
        • Modifies WinLogon for persistence
        • Modifies visibility of file extensions in Explorer
        • Modifies visiblity of hidden/system files in Explorer
        • Disables RegEdit via registry modification
        • Disables cmd.exe use via registry modification
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1012
      • C:\Users\Admin\AppData\Local\inetinfo.exe
        C:\Users\Admin\AppData\Local\inetinfo.exe
        3⤵
        • Modifies WinLogon for persistence
        • Modifies visibility of file extensions in Explorer
        • Modifies visiblity of hidden/system files in Explorer
        • Disables RegEdit via registry modification
        • Disables cmd.exe use via registry modification
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Modifies system certificate store
        • Suspicious use of SetWindowsHookEx
        PID:1512

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab173A.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar176C.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Local\smss.exe

    Filesize

    205KB

    MD5

    b6ac49d55c1a26bd29fd8306257b512f

    SHA1

    23cccc09b0b56b5c4119ce8833c3b629cc38e1c5

    SHA256

    b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3

    SHA512

    bc730922cf76cf76ac18b4860a26db2f8792073ac7fd0c4f794949930708630f0ba528cac2f0605a09fd8ee0f69edf6df8f777ad541862b57d7914aa6631af79

  • memory/1012-166-0x0000000000400000-0x000000000045AE00-memory.dmp

    Filesize

    363KB

  • memory/1512-220-0x0000000000400000-0x000000000045AE00-memory.dmp

    Filesize

    363KB

  • memory/1512-167-0x0000000000400000-0x000000000045AE00-memory.dmp

    Filesize

    363KB

  • memory/1988-103-0x0000000000400000-0x000000000045AE00-memory.dmp

    Filesize

    363KB

  • memory/1988-165-0x0000000000400000-0x000000000045AE00-memory.dmp

    Filesize

    363KB

  • memory/2684-26-0x0000000003B00000-0x0000000003B5B000-memory.dmp

    Filesize

    364KB

  • memory/2684-21-0x0000000003B00000-0x0000000003B5B000-memory.dmp

    Filesize

    364KB

  • memory/2684-93-0x0000000000400000-0x000000000045AE00-memory.dmp

    Filesize

    363KB

  • memory/2684-102-0x0000000003B00000-0x0000000003B5B000-memory.dmp

    Filesize

    364KB

  • memory/2684-0-0x0000000000400000-0x000000000045AE00-memory.dmp

    Filesize

    363KB

  • memory/2684-163-0x0000000000400000-0x000000000045AE00-memory.dmp

    Filesize

    363KB

  • memory/2720-144-0x0000000000400000-0x000000000045AE00-memory.dmp

    Filesize

    363KB

  • memory/2780-123-0x0000000000400000-0x000000000045AE00-memory.dmp

    Filesize

    363KB

  • memory/2780-148-0x0000000001EC0000-0x0000000001F1B000-memory.dmp

    Filesize

    364KB

  • memory/2780-125-0x0000000001EC0000-0x0000000001F1B000-memory.dmp

    Filesize

    364KB

  • memory/2780-164-0x0000000000400000-0x000000000045AE00-memory.dmp

    Filesize

    363KB

  • memory/2780-126-0x0000000001EC0000-0x0000000001F1B000-memory.dmp

    Filesize

    364KB

  • memory/2780-98-0x0000000001EC0000-0x0000000001F1B000-memory.dmp

    Filesize

    364KB

  • memory/2780-96-0x0000000001EC0000-0x0000000001F1B000-memory.dmp

    Filesize

    364KB

  • memory/2780-62-0x0000000001EC0000-0x0000000001F1B000-memory.dmp

    Filesize

    364KB

  • memory/2780-60-0x0000000001EC0000-0x0000000001F1B000-memory.dmp

    Filesize

    364KB

  • memory/2780-28-0x0000000000400000-0x000000000045AE00-memory.dmp

    Filesize

    363KB