Overview

overview

10

Static

static

5

2026-08-11...op.exe

windows10-2004-x64

10

2026-08-11...op.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    11/08/2026, 08:40

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    2026-08-11_edd57731875346265b0969e2069dda69_elex_ramnit_stop.exe
  • Size 1.3MB
  • Sample260811-kk2gmazbme
  • SHA256 fa88ccfc2c8cccac39362628bad7774ea1de398ba1fe90e79f27e7b33c54fde7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarebankerdefense_evasiondiscoveryexecutionramnitpersistencespywarestealertrojanupxworm

Malware Config

Signatures

  • Family: Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

    trojanspywarestealerwormbankerramnit
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • UPX dump on OEP (original entry point) 9 IoCs
  • Disables RegEdit via registry modification 1 IoCs
    defense_evasion
  • Disables Task Manager via registry modification
    defense_evasion
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • AutoIT Executable 3 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 8 IoCs
  • UPX packed file 11 IoCs

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

    upx
  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • Program crash 1 IoCs
  • 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.

    discovery
  • Modifies Internet Explorer settings 1 TTPs 64 IoCs
    adwarespyware
  • Modifies registry class 20 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-11_edd57731875346265b0969e2069dda69_elex_ramnit_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-11_edd57731875346265b0969e2069dda69_elex_ramnit_stop.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Disables RegEdit via registry modification
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Users\Admin\AppData\Local\Temp\2026-08-11_edd57731875346265b0969e2069dda69_elex_ramnit_stopmgr.exe
      C:\Users\Admin\AppData\Local\Temp\2026-08-11_edd57731875346265b0969e2069dda69_elex_ramnit_stopmgr.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3080
      • C:\Program Files (x86)\Microsoft\WaterMark.exe
        "C:\Program Files (x86)\Microsoft\WaterMark.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:4996
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
            PID:640
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 204
              5⤵
              • Program crash
              PID:4516
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:4580
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4580 CREDAT:17410 /prefetch:2
              5⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:3700
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:1048
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1048 CREDAT:17410 /prefetch:2
              5⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:4700
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /C AT /delete /yes
        2⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:980
        • C:\Windows\SysWOW64\at.exe
          AT /delete /yes
          3⤵
          • System Location Discovery: System Language Discovery
          PID:4060
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\svchost .exe
        2⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5084
        • C:\Windows\SysWOW64\at.exe
          AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\svchost .exe
          3⤵
          • System Location Discovery: System Language Discovery
          PID:3856
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 640 -ip 640
      1⤵
        PID:4724
      • C:\Windows\explorer.exe
        Explorer.exe regsvr.exe
        1⤵
          PID:4108
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
          1⤵
          • Modifies Internet Explorer settings
          • Modifies registry class
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious use of SetWindowsHookEx
          PID:2016

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
              • Size 471B
              • SHA256 453befde346c1d09037e130726c444f7ef9b92e3ae425d56a56716a7e77c976e
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
              • Size 416B
              • SHA256 d9a5b478312d4c8183514e504c565137febfce090d4c0fb1b0b0951714dec4f6
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
              • Size 416B
              • SHA256 5cbf43f2c524d2f49113c9deda5e1a915810cbdeb5ccfef5b8197b21d46e5fbb
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico
              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico
              • Size 4KB
              • SHA256 5b2c34b3c4e8dd898b664dba6c3786e2ff9869eff55d673aa48361f11325ed07
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              RecoveryStore.{4D197AB9-9560-11F1-AF70-5AB93EA64185}.dat
              • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{4D197AB9-9560-11F1-AF70-5AB93EA64185}.dat
              • Size 5KB
              • SHA256 8e83b1c154c282fc9293936509b966c27c9a665ad0e3c12b30dcc320206a41fa
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              RecoveryStore.{4D1E3F2E-9560-11F1-AF70-5AB93EA64185}.dat
              • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{4D1E3F2E-9560-11F1-AF70-5AB93EA64185}.dat
              • Size 3KB
              • SHA256 9d3bb245ac447c55f46c3564f0e743f835ced089e6803d6f5ec075dc855cae0b
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              suggestions[1].en-US
              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\2JGNS5QE\suggestions[1].en-US
              • Size 17KB
              • SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              2026-08-11_edd57731875346265b0969e2069dda69_elex_ramnit_stopmgr.exe
              • Path C:\Users\Admin\AppData\Local\Temp\2026-08-11_edd57731875346265b0969e2069dda69_elex_ramnit_stopmgr.exe
              • Size 60KB
              • SHA256 33c4b715dc8b183dff9aac65cc42c7f2c70658580b8e3d449878251482a5d906
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              Kno7700.tmp
              • Path C:\Users\Admin\AppData\Local\Temp\Kno7700.tmp
              • Size 88KB
              • SHA256 1e2e25bf730ff20c89d57aa38f7f34be7690820e8279b20127d0014dd27b743f
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              setup.ini
              • Path C:\Windows\SysWOW64\setup.ini
              • Size 96B
              • SHA256 69815d4932ddde240ce6b1353305d2fab58ca402e9c478452c8e37ce8a7b2ac9
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              svchost .exe
              • Path C:\Windows\SysWOW64\svchost .exe
              • Size 1.3MB
              • SHA256 fa88ccfc2c8cccac39362628bad7774ea1de398ba1fe90e79f27e7b33c54fde7
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              memory/640-40-0x00000000001A0000-0x00000000001A1000-memory.dmp
              Download

              memory/640-39-0x00000000001C0000-0x00000000001C1000-memory.dmp
              Download

              memory/1668-102-0x0000000000400000-0x00000000004CA000-memory.dmp
              Download

              memory/1668-5-0x0000000000467000-0x0000000000468000-memory.dmp
              Download

              memory/1668-0-0x0000000000400000-0x00000000004CA000-memory.dmp
              Download

              memory/3080-10-0x0000000000400000-0x0000000000421000-memory.dmp
              Download

              memory/3080-15-0x0000000000400000-0x0000000000421000-memory.dmp
              Download

              memory/3080-6-0x0000000000400000-0x0000000000421000-memory.dmp
              Download

              memory/3080-8-0x0000000000400000-0x0000000000421000-memory.dmp
              Download

              memory/3080-11-0x0000000002A50000-0x0000000002A51000-memory.dmp
              Download

              memory/3080-14-0x0000000000400000-0x0000000000421000-memory.dmp
              Download

              memory/3080-13-0x0000000000400000-0x0000000000421000-memory.dmp
              Download

              memory/3080-7-0x0000000000400000-0x0000000000421000-memory.dmp
              Download

              memory/4996-51-0x0000000000400000-0x0000000000421000-memory.dmp
              Download

              memory/4996-31-0x0000000000400000-0x0000000000421000-memory.dmp
              Download

              memory/4996-21-0x0000000000400000-0x0000000000422000-memory.dmp
              Download

              memory/4996-28-0x0000000000870000-0x0000000000871000-memory.dmp
              Download

              memory/4996-50-0x0000000000400000-0x0000000000421000-memory.dmp
              Download

              memory/4996-47-0x0000000000400000-0x0000000000422000-memory.dmp
              Download

              memory/4996-46-0x0000000000070000-0x0000000000071000-memory.dmp
              Download