Analysis

  • max time kernel
    28s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-04-2024 13:12

General

  • Target

    a61725f3b57fd45487688ad06f152d0db139a6cb29f3515ea90ffe15cb7e9a7a.exe

  • Size

    225KB

  • MD5

    3b6f68801cade1cd388138500fd8e986

  • SHA1

    9bc818e0e6ef9aaafb02065800a97d8bd98ee76d

  • SHA256

    a61725f3b57fd45487688ad06f152d0db139a6cb29f3515ea90ffe15cb7e9a7a

  • SHA512

    f2931a7871491f580b94ee7dc1f0d24b50cce1464b92100b21ff3adadf15e64864b34da00bbe0709e7f0f50316fd79ef2edacd5842b16e20407634c6c514fcbe

  • SSDEEP

    3072:5wA6vA3hLwgXQKXStY70rmSFFXJicCdmWSMXg+j5HlZhUW+gDAR:z3hLRXQKitY7GFFxCdm+9DUWF

Malware Config

Signatures

  • SaintBot

    Saint Bot is a malware dropper being used to deliver secondary payloads such as information stealers.

  • SaintBot payload 12 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a61725f3b57fd45487688ad06f152d0db139a6cb29f3515ea90ffe15cb7e9a7a.exe
    "C:\Users\Admin\AppData\Local\Temp\a61725f3b57fd45487688ad06f152d0db139a6cb29f3515ea90ffe15cb7e9a7a.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Maps connected drives based on registry
    • Suspicious use of WriteProcessMemory
    PID:3560
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\41832.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\41832.exe"
      2⤵
      • Executes dropped EXE
      PID:2592
      • C:\Windows\SysWOW64\EhStorAuthn.exe
        "C:\Windows\System32\EhStorAuthn.exe"
        3⤵
          PID:4708
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 5 /tn "Maintenance" /tr "C:\Users\%USERNAME%\AppData\Local\z_%USERNAME%\%USERNAME%.vbs" /F
            4⤵
            • Creates scheduled task(s)
            PID:4084
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2592 -s 648
          3⤵
          • Program crash
          PID:2088
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\del.bat
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3372
        • C:\Windows\SysWOW64\PING.EXE
          ping localhost -n 3
          3⤵
          • Runs ping.exe
          PID:4172
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c del "C:\Users\Admin\AppData\Roaming\del.bat"
          3⤵
            PID:2304
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 1268
          2⤵
          • Program crash
          PID:4896
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3560 -ip 3560
        1⤵
          PID:2688
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 2592 -ip 2592
          1⤵
            PID:4068
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3716 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:8
            1⤵
              PID:2348

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\z_Admin\wallpaper.mp4

              Filesize

              1.6MB

              MD5

              4f3387277ccbd6d1f21ac5c07fe4ca68

              SHA1

              e16506f662dc92023bf82def1d621497c8ab5890

              SHA256

              767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

              SHA512

              9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\41832.exe

              Filesize

              225KB

              MD5

              3b6f68801cade1cd388138500fd8e986

              SHA1

              9bc818e0e6ef9aaafb02065800a97d8bd98ee76d

              SHA256

              a61725f3b57fd45487688ad06f152d0db139a6cb29f3515ea90ffe15cb7e9a7a

              SHA512

              f2931a7871491f580b94ee7dc1f0d24b50cce1464b92100b21ff3adadf15e64864b34da00bbe0709e7f0f50316fd79ef2edacd5842b16e20407634c6c514fcbe

            • C:\Users\Admin\AppData\Roaming\del.bat

              Filesize

              170B

              MD5

              a4b2b3de643c80d1f5f5f517184ae0a6

              SHA1

              3dc62981bc2aae2915e405c4b3f4074038527ae8

              SHA256

              8be293c85ed279cc1b9410409450cb36321b5d43a9652314c14024a4585111f6

              SHA512

              e8c374fd7730988a7cc7bc9a524e5414e9872897fce4b8d49863d5f9505e114bab6999d2014da7eaa7cb01d564e87f68e428fe52f2315b20da014463eb498c35

            • memory/2592-22-0x0000000000400000-0x0000000002BA9000-memory.dmp

              Filesize

              39.7MB

            • memory/2592-27-0x0000000000400000-0x0000000002BA9000-memory.dmp

              Filesize

              39.7MB

            • memory/2592-30-0x0000000000400000-0x0000000002BA9000-memory.dmp

              Filesize

              39.7MB

            • memory/2592-21-0x00000000047B0000-0x00000000047B9000-memory.dmp

              Filesize

              36KB

            • memory/2592-20-0x0000000002D00000-0x0000000002E00000-memory.dmp

              Filesize

              1024KB

            • memory/3560-23-0x0000000000400000-0x0000000002BA9000-memory.dmp

              Filesize

              39.7MB

            • memory/3560-24-0x0000000002D90000-0x0000000002E90000-memory.dmp

              Filesize

              1024KB

            • memory/3560-8-0x0000000000400000-0x0000000002BA9000-memory.dmp

              Filesize

              39.7MB

            • memory/3560-2-0x0000000002D10000-0x0000000002D19000-memory.dmp

              Filesize

              36KB

            • memory/3560-1-0x0000000002D90000-0x0000000002E90000-memory.dmp

              Filesize

              1024KB

            • memory/3560-3-0x0000000000400000-0x0000000002BA9000-memory.dmp

              Filesize

              39.7MB

            • memory/4708-29-0x00000000007E0000-0x00000000007EB000-memory.dmp

              Filesize

              44KB

            • memory/4708-32-0x00000000007E0000-0x00000000007EB000-memory.dmp

              Filesize

              44KB

            • memory/4708-33-0x00000000007E0000-0x00000000007EB000-memory.dmp

              Filesize

              44KB