Analysis

  • max time kernel
    146s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/11/2024, 19:54

General

  • Target
    527dc0e6043c72a4458436084d9d83de5b5f5d14e4a879eac1175febad6d922f.exe
  • Size 3.6MB
  • Sample241118-ym23tsypcl
  • SHA256 527dc0e6043c72a4458436084d9d83de5b5f5d14e4a879eac1175febad6d922f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 2 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • UPX packed file 4 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 30 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 27 IoCs
  • Suspicious use of SendNotifyMessage 25 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\527dc0e6043c72a4458436084d9d83de5b5f5d14e4a879eac1175febad6d922f.exe
    "C:\Users\Admin\AppData\Local\Temp\527dc0e6043c72a4458436084d9d83de5b5f5d14e4a879eac1175febad6d922f.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2332
    • C:\Users\Admin\AppData\Local\Temp\527dc0e6043c72a4458436084d9d83de5b5f5d14e4a879eac1175febad6d922fSrv.exe
      C:\Users\Admin\AppData\Local\Temp\527dc0e6043c72a4458436084d9d83de5b5f5d14e4a879eac1175febad6d922fSrv.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:464
      • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
        "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4372
        • 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:3992
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3992 CREDAT:17410 /prefetch:2
            5⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4656
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://ssd-life.com/eng/why-ssd-not-found.html
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3628
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ff8205446f8,0x7ff820544708,0x7ff820544718
        3⤵
          PID:5040
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2120,6443946831836507597,11638378445915394570,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2128 /prefetch:2
          3⤵
            PID:316
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2120,6443946831836507597,11638378445915394570,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2412 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:1008
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2120,6443946831836507597,11638378445915394570,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2916 /prefetch:8
            3⤵
              PID:3116
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,6443946831836507597,11638378445915394570,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3292 /prefetch:1
              3⤵
                PID:3976
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,6443946831836507597,11638378445915394570,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3300 /prefetch:1
                3⤵
                  PID:3276
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,6443946831836507597,11638378445915394570,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4980 /prefetch:1
                  3⤵
                    PID:4728
                  • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2120,6443946831836507597,11638378445915394570,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5732 /prefetch:8
                    3⤵
                      PID:4608
                    • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2120,6443946831836507597,11638378445915394570,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5732 /prefetch:8
                      3⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:2264
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,6443946831836507597,11638378445915394570,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6048 /prefetch:1
                      3⤵
                        PID:1064
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,6443946831836507597,11638378445915394570,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6028 /prefetch:1
                        3⤵
                          PID:3880
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,6443946831836507597,11638378445915394570,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5996 /prefetch:1
                          3⤵
                            PID:4424
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,6443946831836507597,11638378445915394570,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5988 /prefetch:1
                            3⤵
                              PID:4408
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2120,6443946831836507597,11638378445915394570,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1872 /prefetch:2
                              3⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:5312
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:2556
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:2208

                            Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

                                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
                                  • Size 471B
                                  • SHA256 7f877563622aeda07395133fb7c81746df3389c360549e2309c161c8a394d9bf
                                  • MD5 SHA1 SHA512

                                  7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

                                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
                                  • Size 404B
                                  • SHA256 6c5bdf88d7e6f319ef7a07d81681db80cd16e6798448ea1d0621c56e0d0e0b82
                                  • MD5 SHA1 SHA512

                                  settings.dat

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                  • Size 152B
                                  • SHA256 79e277da2074f9467e0518f0f26ca2ba74914bee82553f935a0ccf64a0119e8b
                                  • MD5 SHA1 SHA512

                                  settings.dat

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                  • Size 152B
                                  • SHA256 d036661e765ee8fd18978a2b5501e8df6b220e4bca531d9860407555294c96fb
                                  • MD5 SHA1 SHA512

                                  the-real-index

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index
                                  • Size 456B
                                  • SHA256 bf356bf0b8b8941706beab16149d2e860f01f68a287481722a0968f575459818
                                  • MD5 SHA1 SHA512

                                  CURRENT

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\File System\000\t\Paths\CURRENT
                                  • Size 16B
                                  • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                                  • MD5 SHA1 SHA512

                                  Network Persistent State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State
                                  • Size 2KB
                                  • SHA256 ee822dd11b8fb9a365f412675fc79f12c0139778f6ad7156e5c9d86ab719f238
                                  • MD5 SHA1 SHA512

                                  Preferences

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                  • Size 7KB
                                  • SHA256 a7afd17f8709db1b88ac4e9e0a1805e18642abb6f5673ffdec67b54e85c6ec6a
                                  • MD5 SHA1 SHA512 SSDEEP

                                  Preferences

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                  • Size 5KB
                                  • SHA256 67991f2d44ea27faba04f0cc952f7c205cd2295123f056e10f636f24e09066a4
                                  • MD5 SHA1 SHA512 SSDEEP

                                  TransportSecurity

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity
                                  • Size 1KB
                                  • SHA256 1d848f15b243a283f60e0778b9cf12cd0e29d7243a2ea249dd1d8046d11808ae
                                  • MD5 SHA1 SHA512

                                  TransportSecurity~RFe5857a1.TMP

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity~RFe5857a1.TMP
                                  • Size 1KB
                                  • SHA256 a7646125835473cf9eb9cff454f678fc9cfa822e88af0dc48174938473087068
                                  • MD5 SHA1 SHA512

                                  CURRENT

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
                                  • Size 16B
                                  • SHA256 0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd
                                  • MD5 SHA1 SHA512

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                  • Size 10KB
                                  • SHA256 d0470c80df467fada28ffd1d501cf28fc0922928e62e6ce224182051571cf746
                                  • MD5 SHA1 SHA512 SSDEEP

                                  suggestions[1].en-US

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\P2UT3MS5\suggestions[1].en-US
                                  • Size 17KB
                                  • SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
                                  • MD5 SHA1 SHA512 SSDEEP

                                  527dc0e6043c72a4458436084d9d83de5b5f5d14e4a879eac1175febad6d922fSrv.exe

                                  • Path C:\Users\Admin\AppData\Local\Temp\527dc0e6043c72a4458436084d9d83de5b5f5d14e4a879eac1175febad6d922fSrv.exe
                                  • Size 55KB
                                  • SHA256 fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
                                  • MD5 SHA1 SHA512 SSDEEP

                                  laC10E.tmp

                                  • Path C:\Users\Admin\AppData\Local\Temp\laC10E.tmp
                                  • Size 44KB
                                  • SHA256 b75e4a842e13e09999531a71691439423cd99c26e0be5bedd1714539073ca58c
                                  • MD5 SHA1 SHA512 SSDEEP

                                  memory/464-7-0x0000000000550000-0x000000000055F000-memory.dmp

                                  memory/464-6-0x0000000000400000-0x000000000042E000-memory.dmp

                                  memory/2332-0-0x0000000000400000-0x0000000000AE2000-memory.dmp

                                  memory/2332-38-0x0000000000400000-0x0000000000AE2000-memory.dmp

                                  memory/4372-16-0x0000000000400000-0x000000000042E000-memory.dmp

                                  memory/4372-20-0x0000000000400000-0x000000000042E000-memory.dmp

                                  memory/4372-19-0x00000000005B0000-0x00000000005B1000-memory.dmp