Analysis

  • max time kernel
    51s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2024, 17:43

General

  • Target

    https://files-ld.s3.us-east-2.amazonaws.com/59cbd215-76ea-434d-93ca-4d6aec3bac98-free-coffee.zip

Malware Config

Extracted

Family

asyncrat

Version

5.0.5

Botnet

Venom Clients

C2

127.0.0.1:3451

37.120.233.226:3451

Mutex

Venom_RAT_HVNC_Mutex_Venom RAT_HVNC

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Asyncrat family
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 33 IoCs
  • Suspicious use of SendNotifyMessage 24 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://files-ld.s3.us-east-2.amazonaws.com/59cbd215-76ea-434d-93ca-4d6aec3bac98-free-coffee.zip
    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:2020
    • 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:4 --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=123.0.6312.123 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7fff0541cc40,0x7fff0541cc4c,0x7fff0541cc58
      2⤵
        PID:1332
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1972,i,15660884115827747389,15902668242394453545,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1940 /prefetch:2
        2⤵
          PID:2252
        • 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 --no-appcompat-clear --field-trial-handle=2164,i,15660884115827747389,15902668242394453545,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2236 /prefetch:3
          2⤵
            PID:2520
          • 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 --no-appcompat-clear --field-trial-handle=2200,i,15660884115827747389,15902668242394453545,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2352 /prefetch:8
            2⤵
              PID:116
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3116,i,15660884115827747389,15902668242394453545,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3152 /prefetch:1
              2⤵
                PID:2008
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3124,i,15660884115827747389,15902668242394453545,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3188 /prefetch:1
                2⤵
                  PID:5020
                • 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 --no-appcompat-clear --field-trial-handle=4544,i,15660884115827747389,15902668242394453545,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4744 /prefetch:8
                  2⤵
                    PID:2416
                  • 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 --no-appcompat-clear --field-trial-handle=4956,i,15660884115827747389,15902668242394453545,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4968 /prefetch:8
                    2⤵
                      PID:988
                  • C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
                    "C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
                    1⤵
                      PID:3016
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                      1⤵
                        PID:3504
                      • C:\Windows\System32\rundll32.exe
                        C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                        1⤵
                          PID:4684
                        • C:\Users\Admin\AppData\Local\Temp\Temp1_59cbd215-76ea-434d-93ca-4d6aec3bac98-free-coffee.zip\Coffee.exe
                          "C:\Users\Admin\AppData\Local\Temp\Temp1_59cbd215-76ea-434d-93ca-4d6aec3bac98-free-coffee.zip\Coffee.exe"
                          1⤵
                          • Suspicious use of AdjustPrivilegeToken
                          PID:1532

                        Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

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

                                Filesize

                                649B

                                MD5

                                80534afd929c4987a801294d690fb4df

                                SHA1

                                66e5ceb0479b4f8e5862d203a31e91e1aace889c

                                SHA256

                                f7e4eb49ff6653734a53c30ca703ae9795c0be6afcc5df9a9593684d03a2042f

                                SHA512

                                28ba294848353d4a9e9c4b39282217afb0ec1430c1a1ef8e13a51486b1dcc83c806f9ddfa34a4e6ea06532c8669fd9ba80acb9e486cb70ff447496c8bc82f289

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000005

                                Filesize

                                29KB

                                MD5

                                73f0f77181e1f06a9dbc41ea9e7a03fe

                                SHA1

                                c895f4a970c612bc51e0fc272c3f08283a13d34f

                                SHA256

                                6f33ae4bf134c49faa14517a275c039ca1818b24fc2304649869e399ab2fb389

                                SHA512

                                160eb2d80abc6911f435df2a69a1aa8914f3fdd56ea6399e31a5fd382a676bb734fbfb93cd0abb0f3b85e9af1847b13a440430b054a3465c349d7423da6ce4e3

                              • 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

                                9KB

                                MD5

                                fa64cf4fa831724431c44ce53343dbac

                                SHA1

                                bfe3ae7dc1a3af5135694eeb4936d03cc7df0e7a

                                SHA256

                                680b0edbe08f76e132481ff87c4e56ed4104f17776da05b384a47784e2132f27

                                SHA512

                                1f78e32abba7a9455122a79238b98fc87d471795464398d00f3344f5f8f2460ad74a6c1854770783b9fe2e047e13d50ebfeac1ea1c83b373f83d8a6fec34644e

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

                                Filesize

                                9KB

                                MD5

                                f0ef4b722559ad53a6c86febed045f20

                                SHA1

                                5b90cac0150f4832efbd9b67333a98a649210eb9

                                SHA256

                                2f222652fa125175c506135b0e381c8e07b976c6518028f2ece14c36e6eb09d1

                                SHA512

                                67332d65b396ca3687c210f80f5a9c3c4cd0b49f0de4c013b7938b2c42941fbae7acc33ac3c50923af6aba26b8921d62c8a516e3c15482be071717d336ca19af

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

                                Filesize

                                9KB

                                MD5

                                b891a8adb86e74bfa84667e584b7cb98

                                SHA1

                                b2d07f314489e10976ae645d208875cc3a391dda

                                SHA256

                                6d6cedda7a53a1a7abbe9e97c16a8bf02077786e81e2e54a982b3e4afd94b931

                                SHA512

                                b6315d885d1e4410bc74b05b67b37fcc7859a29987030fb6e75ea01d26eaa8d35cfeeca8f2140f6921084820f2f979865310aec416d777fca6731b008ece0d1b

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

                                Filesize

                                116KB

                                MD5

                                f5304d96d750b3a74dd2fbc0fdd379ec

                                SHA1

                                a52db088dc3adaba9b24514847d9dfbec8844463

                                SHA256

                                9bc439481920e426a53680ffc3e2b35fcec83ba4c382fc188f473074292f4489

                                SHA512

                                becc0b5d4ef8f84b199193099b3aed3045fc4f40170ffee9592c3c1248e24aa17ccf384177626c831fb403449f794f042a406b503d97626ef7f07dede0b86c3d

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

                                Filesize

                                116KB

                                MD5

                                8e66a832eea5fd1abf1933297d9812b8

                                SHA1

                                dc9680989843faa89b4102ac9485ac9a798604f6

                                SHA256

                                53d0b27790f1ceb1491a7a82b4f3a60f22dba1ddcaa7b383ef00fe6d1ff0b390

                                SHA512

                                b275051a9b8ac2b003f6d9d1840093149d00560e90818de48679d17d2270270808efc9937aadbedc3ac3b1884a839c2aa3aa6299f36a5fa143131da4e1197cb7

                              • memory/1532-50-0x00007FFEF1B83000-0x00007FFEF1B85000-memory.dmp

                                Filesize

                                8KB

                              • memory/1532-51-0x0000000000250000-0x0000000000266000-memory.dmp

                                Filesize

                                88KB

                              • memory/1532-52-0x00007FFEF1B80000-0x00007FFEF2641000-memory.dmp

                                Filesize

                                10.8MB

                              • memory/1532-62-0x00007FFEF1B83000-0x00007FFEF1B85000-memory.dmp

                                Filesize

                                8KB

                              • memory/1532-63-0x00007FFEF1B80000-0x00007FFEF2641000-memory.dmp

                                Filesize

                                10.8MB