Analysis

  • max time kernel
    62s
  • max time network
    67s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    13/06/2024, 03:42

General

  • Target

    reWASD.dll

  • Size

    41.1MB

  • MD5

    afae1e9402f69755b5983e702ca3d629

  • SHA1

    ee1f88cdecd4e9afef0bba754b2a41e5f57289e2

  • SHA256

    85793ef13e02a404bca367c9e16d856752d8d78f19d8348308fb38873f38b181

  • SHA512

    eb59f02101781dfcb584a0a9635bdc00bdf64a707438d9e090b0328ad19c1086c28f3f1af52a8abefd9c4fe09f05524b5a2d1cb82536dc796e785d08cf934258

  • SSDEEP

    393216:fVOb8IDUF1XGZ7463hACbGVWb8Q5yFl54v7463hQ:fY7DUFtY75hAwGQ75yFry75hQ

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 32 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of FindShellTrayWindow 27 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\reWASD.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4260
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\reWASD.dll,#1
      2⤵
        PID:2504
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\DismountWatch.gif
      1⤵
      • Modifies Internet Explorer settings
      PID:2708
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\ShowCheckpoint.gif
      1⤵
      • Modifies Internet Explorer settings
      PID:4896
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --single-argument C:\Users\Admin\Desktop\SwitchNew.shtml
      1⤵
      • Enumerates system info in registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2200
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=110.0.5481.104 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffac455ab58,0x7ffac455ab68,0x7ffac455ab78
        2⤵
          PID:3564
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1684 --field-trial-handle=1808,i,14075787580984055030,14742460085785415548,131072 /prefetch:2
          2⤵
            PID:2980
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2132 --field-trial-handle=1808,i,14075787580984055030,14742460085785415548,131072 /prefetch:8
            2⤵
              PID:3452
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=2184 --field-trial-handle=1808,i,14075787580984055030,14742460085785415548,131072 /prefetch:8
              2⤵
                PID:2176
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3108 --field-trial-handle=1808,i,14075787580984055030,14742460085785415548,131072 /prefetch:1
                2⤵
                  PID:5104
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3120 --field-trial-handle=1808,i,14075787580984055030,14742460085785415548,131072 /prefetch:1
                  2⤵
                    PID:4836
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4368 --field-trial-handle=1808,i,14075787580984055030,14742460085785415548,131072 /prefetch:8
                    2⤵
                      PID:2892
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4364 --field-trial-handle=1808,i,14075787580984055030,14742460085785415548,131072 /prefetch:8
                      2⤵
                        PID:3232
                    • C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe
                      "C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"
                      1⤵
                        PID:1124

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

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                      Downloads

                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

                        Filesize

                        810B

                        MD5

                        376b1723d890a70a6503d3413b1fc866

                        SHA1

                        e764b5e9a35feb7c32510d751cdf6b92835c62e8

                        SHA256

                        fcff8ae375c330fbb23897dfa5c81f13f9f0bdf4d21aed36c5d296ac34826bb7

                        SHA512

                        e96f98dc296766a1b9fb0fb44bad2eab66974113cbd241b40f5692cb6e3c6f04a53ac358bfe0f0fd130e819eacdb73eb4ec8a3db202063ce02da8a67a5bc7d4c

                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

                        Filesize

                        2B

                        MD5

                        d751713988987e9331980363e24189ce

                        SHA1

                        97d170e1550eee4afc0af065b78cda302a97674c

                        SHA256

                        4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                        SHA512

                        b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                        Filesize

                        7KB

                        MD5

                        7814b82fde06f1d6017ad9d4d579a4e6

                        SHA1

                        f6242bbf32f6236a6b58689a0cc45b382c17d9a8

                        SHA256

                        3f8f296567efd5b04627230b389941f0620ce39652441b50290bd5cb9517c58c

                        SHA512

                        c607bae82fcdab138bb0b2520e8530261d494d855bf58aaa6d752de7ad770352b2ef3f6f46340b37634c0486e9a5fe572fa38815d561bc486f3f9986061816e5

                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                        Filesize

                        129KB

                        MD5

                        4c0376183b622fe57ca9da25361e446e

                        SHA1

                        ca530329460fcf82af5cf481937fe41abdb8f2f1

                        SHA256

                        faea72577ae416f64ddb350108cdc2027a6b08985534fd6512c1508a06cb6b6f

                        SHA512

                        eb1f999f0fbfe81c1d085bd837c4b6d81fe71af770b0523116be730d0a920a5473ab820af8939ee3142386f42aa3dbc4c9e4f131efc91c47c4c0c5f9da8406f6

                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\ShaderCache\data_1

                        Filesize

                        264KB

                        MD5

                        f50f89a0a91564d0b8a211f8921aa7de

                        SHA1

                        112403a17dd69d5b9018b8cede023cb3b54eab7d

                        SHA256

                        b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                        SHA512

                        bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58