Resubmissions

25-05-2024 06:40

240525-he96gahf3t 10

Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 06:40

General

  • Target

    https://cdn.discordapp.com/attachments/1177635929616293979/1243043455706337391/Cloud_Engine_v10.3_rar_pass_1.rar?ex=6652acee&is=66515b6e&hm=a3d36fcd53f0720b9bf35532bf9962e1ef5c3cec6cb79ab07e3d8ecd0e48367f&

Malware Config

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla payload 1 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 2 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

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

  • Enumerates system info in registry 2 TTPs 9 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://cdn.discordapp.com/attachments/1177635929616293979/1243043455706337391/Cloud_Engine_v10.3_rar_pass_1.rar?ex=6652acee&is=66515b6e&hm=a3d36fcd53f0720b9bf35532bf9962e1ef5c3cec6cb79ab07e3d8ecd0e48367f&
    1⤵
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4080
    • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffa443cab58,0x7ffa443cab68,0x7ffa443cab78
      2⤵
        PID:2468
      • 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=1696 --field-trial-handle=1924,i,6207544159770323064,15695993819953945185,131072 /prefetch:2
        2⤵
          PID:3024
        • 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=2156 --field-trial-handle=1924,i,6207544159770323064,15695993819953945185,131072 /prefetch:8
          2⤵
            PID:372
          • 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=2172 --field-trial-handle=1924,i,6207544159770323064,15695993819953945185,131072 /prefetch:8
            2⤵
              PID:5092
            • 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=3048 --field-trial-handle=1924,i,6207544159770323064,15695993819953945185,131072 /prefetch:1
              2⤵
                PID:4976
              • 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=3084 --field-trial-handle=1924,i,6207544159770323064,15695993819953945185,131072 /prefetch:1
                2⤵
                  PID:2140
                • 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=4460 --field-trial-handle=1924,i,6207544159770323064,15695993819953945185,131072 /prefetch:8
                  2⤵
                    PID:3640
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4920 --field-trial-handle=1924,i,6207544159770323064,15695993819953945185,131072 /prefetch:8
                    2⤵
                      PID:1056
                    • 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=4980 --field-trial-handle=1924,i,6207544159770323064,15695993819953945185,131072 /prefetch:8
                      2⤵
                        PID:4400
                      • 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=10 --mojo-platform-channel-handle=4148 --field-trial-handle=1924,i,6207544159770323064,15695993819953945185,131072 /prefetch:1
                        2⤵
                          PID:3504
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --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=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=4416 --field-trial-handle=1924,i,6207544159770323064,15695993819953945185,131072 /prefetch:2
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:232
                      • 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:4960
                        • C:\Windows\system32\OpenWith.exe
                          C:\Windows\system32\OpenWith.exe -Embedding
                          1⤵
                          • Modifies registry class
                          • Suspicious use of SetWindowsHookEx
                          PID:4624
                        • C:\Windows\System32\rundll32.exe
                          C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                          1⤵
                            PID:3200
                          • C:\Program Files\7-Zip\7zG.exe
                            "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Downloads\" -an -ai#7zMap2070:120:7zEvent29829
                            1⤵
                            • Suspicious use of AdjustPrivilegeToken
                            • Suspicious use of FindShellTrayWindow
                            PID:2176
                          • C:\Users\Admin\Downloads\Cloud Engine v10.3.exe
                            "C:\Users\Admin\Downloads\Cloud Engine v10.3.exe"
                            1⤵
                            • Looks for VirtualBox Guest Additions in registry
                            • Looks for VMWare Tools registry key
                            • Checks BIOS information in registry
                            • Executes dropped EXE
                            • Loads dropped DLL
                            • Maps connected drives based on registry
                            • Enumerates system info in registry
                            • Suspicious use of AdjustPrivilegeToken
                            PID:5056
                          • C:\Users\Admin\Downloads\Cloud Engine v10.3.exe
                            "C:\Users\Admin\Downloads\Cloud Engine v10.3.exe"
                            1⤵
                            • Looks for VirtualBox Guest Additions in registry
                            • Looks for VMWare Tools registry key
                            • Checks BIOS information in registry
                            • Executes dropped EXE
                            • Loads dropped DLL
                            • Maps connected drives based on registry
                            • Enumerates system info in registry
                            PID:3492

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

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

                            Filesize

                            1KB

                            MD5

                            57db1559dd5a80dd30068c88081e39da

                            SHA1

                            1dcf8a432ea4cf1f96a753c19bb7a33a3d10cf6d

                            SHA256

                            8e387589a60aab6c5f9a3c53f35338a03a5a0c86c2a88a9f32a760efa50f7ccf

                            SHA512

                            fff29a530f1ae063fcda92f52ac550467a439da5d97024cb2c9109583d7126f971a6b0cbd14f6db9b3a06c6c0a5c31789ffb2e3dabeedbbfbc959930e147bd12

                          • 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

                            9f180f43def0ad055f3fbfa6eabdb6da

                            SHA1

                            d7587e0d1591fd22bd7788584f519a617df860d0

                            SHA256

                            6b9582101d88005e8ec4e2d56d2f33c7572328d8910271aa9a1fdda38a7af95c

                            SHA512

                            7d7c433799cc60b5d2495b637d5808539b8d711541b0879f2c220e5234438e0e854c1a8315550f94802ce9d5802e23f78e9151d540eb8f1b5a96d55fd98a180d

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

                            Filesize

                            130KB

                            MD5

                            61866769db5ff1044174b11dacd27518

                            SHA1

                            766ced48c634b25bd460438a793a4c156a16a45f

                            SHA256

                            4a971e2fb2095c31399e96c6d9b6ee8f88d1322bc5bae305b5b6dd1f7ebae19a

                            SHA512

                            63910bc85798bce795ddb374288676d0a8d4277abdf390e8294d4a6f231a956dff0aad6ba758472b85c255140fd665e706a09df517ff27417128386f232cc80b

                          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Cloud Engine v10.3.exe.log

                            Filesize

                            1KB

                            MD5

                            0ddb03882318d6a420eb469a78cd1359

                            SHA1

                            fb177227f2929e88a36b5289f21d298e30acf00b

                            SHA256

                            4b6ce414322fa2da0ace9e815ee5c663d30bb9af952bbb7315c32848c36b5bcf

                            SHA512

                            dfca8cfeeb66ab9c15fe758ed9278ce1fb0abde1910c0890bba78e9093cc093349537def75cae71f113cdddf00d70cf33f7e6769b8dd95aaaf43820a9f70c2ab

                          • C:\Users\Admin\AppData\Local\Temp\Runtime.MSIL.1.0.0.0\sByte.dll

                            Filesize

                            39KB

                            MD5

                            d80d1b6d9a6d5986fa47f6f8487030e1

                            SHA1

                            8f5773bf9eca43b079c1766b2e9f44cc90bd9215

                            SHA256

                            446128f1712da8064d0197376184315cb529ed26ed9122f7b171bb208e22c0c3

                            SHA512

                            9fcf0105c2c9ee81c526d41633d93579bb8e2837989d77fb4a6523440415ec2d7fa46ac9ae4e55ecebd99126837817ac308cc079475de02667b21727a43d74cc

                          • C:\Users\Admin\Downloads\Cloud Engine v10.3.exe

                            Filesize

                            6.2MB

                            MD5

                            9c71d81cc9e18baf08830cc0646d9885

                            SHA1

                            0072d8a154bda7eb92c18674d884fe7734fb1caa

                            SHA256

                            7d181705fecbbf365f9985a2f08b2286ec8879f122bbebfc90b7179967299f1f

                            SHA512

                            a063200d010ea5c7c0f099fb3a506a5b4b09b69a3a20fc03519054e49a0fc6d7a1ddd8049dc26657e8664106a584ea5089b6e92bdb5a3ce3d554e284f878281c

                          • C:\Users\Admin\Downloads\Cloud_Engine_v10.3_rar_pass_1.rar

                            Filesize

                            5.9MB

                            MD5

                            5a21a199ecc397ea44c45ce7d184dfbb

                            SHA1

                            5bba99a92e6399413341a24fe7b11030f2c13bfb

                            SHA256

                            9c25d920d3c02158a41570d702f0c52fc8cab62385c1e36aa2c4822052d421a6

                            SHA512

                            ca69f3f290c37c20ac96118d311975737eb693d36235e116b91b26a52673cb5a2f1cf7043659811e0fcb2d1e332ab1c679030406ae50bc29326316d2ce178e69

                          • memory/5056-57-0x000001AA3B920000-0x000001AA3B92C000-memory.dmp

                            Filesize

                            48KB

                          • memory/5056-63-0x000001AA3D1B0000-0x000001AA3D1BA000-memory.dmp

                            Filesize

                            40KB

                          • memory/5056-64-0x000001AA55A70000-0x000001AA55A82000-memory.dmp

                            Filesize

                            72KB

                          • memory/5056-65-0x000001AA56380000-0x000001AA56594000-memory.dmp

                            Filesize

                            2.1MB

                          • memory/5056-66-0x000001AA597A0000-0x000001AA597DC000-memory.dmp

                            Filesize

                            240KB

                          • memory/5056-62-0x000001AA55AE0000-0x000001AA55EEA000-memory.dmp

                            Filesize

                            4.0MB

                          • memory/5056-56-0x000001AA3AF30000-0x000001AA3B56C000-memory.dmp

                            Filesize

                            6.2MB