Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/12/2024, 19:25

General

  • Target

    https://cas5-0-urlprotect.trendmicro.com/wis/clicktime/v1/query?url=https%3a%2f%2fdocs.google.com%2fuc%3fexport%3ddownload%26id%3d1WzgwW-oHUQ-jD5xuUngYVv8tCotgsKES&umid=d0735f25-ada1-11ef-90ed-6045bd047a68&auth=2877182e97994b86f9bf77cfc08cae9153406ffd-08f672a1222e37f5f5aee50340e112dc61adb309

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

XXX

C2

94.103.125.231:2626

Mutex

DcRatMutex_qwqdanchun

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
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 2 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 registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --start-maximized --single-argument https://cas5-0-urlprotect.trendmicro.com/wis/clicktime/v1/query?url=https%3a%2f%2fdocs.google.com%2fuc%3fexport%3ddownload%26id%3d1WzgwW-oHUQ-jD5xuUngYVv8tCotgsKES&umid=d0735f25-ada1-11ef-90ed-6045bd047a68&auth=2877182e97994b86f9bf77cfc08cae9153406ffd-08f672a1222e37f5f5aee50340e112dc61adb309
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2500
    • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffdcff346f8,0x7ffdcff34708,0x7ffdcff34718
      2⤵
        PID:3672
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2124,14700253287792450346,14318139431903916559,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2132 /prefetch:2
        2⤵
          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=2124,14700253287792450346,14318139431903916559,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2108 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2368
        • 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=2124,14700253287792450346,14318139431903916559,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2912 /prefetch:8
          2⤵
            PID:2104
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,14700253287792450346,14318139431903916559,131072 --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=3368 /prefetch:1
            2⤵
              PID:1204
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,14700253287792450346,14318139431903916559,131072 --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=3376 /prefetch:1
              2⤵
                PID:1312
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,14700253287792450346,14318139431903916559,131072 --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=4180 /prefetch:1
                2⤵
                  PID:3852
                • 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=2124,14700253287792450346,14318139431903916559,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5240 /prefetch:8
                  2⤵
                    PID:1716
                  • 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=2124,14700253287792450346,14318139431903916559,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5240 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:1812
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,14700253287792450346,14318139431903916559,131072 --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=5496 /prefetch:1
                    2⤵
                      PID:4996
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,14700253287792450346,14318139431903916559,131072 --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=5532 /prefetch:1
                      2⤵
                        PID:4000
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,14700253287792450346,14318139431903916559,131072 --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=5372 /prefetch:1
                        2⤵
                          PID:3008
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,14700253287792450346,14318139431903916559,131072 --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=5352 /prefetch:1
                          2⤵
                            PID:4040
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_collections.mojom.CollectionsDataManager --field-trial-handle=2124,14700253287792450346,14318139431903916559,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5912 /prefetch:8
                            2⤵
                              PID:1676
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,14700253287792450346,14318139431903916559,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5920 /prefetch:1
                              2⤵
                                PID:3204
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --field-trial-handle=2124,14700253287792450346,14318139431903916559,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6088 /prefetch:8
                                2⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:1376
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2124,14700253287792450346,14318139431903916559,131072 --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=5408 /prefetch:2
                                2⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:3680
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:3616
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:4352
                                • C:\Windows\System32\rundll32.exe
                                  C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                  1⤵
                                    PID:4848
                                  • C:\Program Files\7-Zip\7zG.exe
                                    "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Downloads\" -an -ai#7zMap30625:182:7zEvent526
                                    1⤵
                                    • Suspicious use of AdjustPrivilegeToken
                                    • Suspicious use of FindShellTrayWindow
                                    PID:4196
                                  • C:\Users\Admin\Downloads\SE EMITE AUDIENCIA CONCENTRADA; BAJO EL RADICADO. 00322-2024..exe
                                    "C:\Users\Admin\Downloads\SE EMITE AUDIENCIA CONCENTRADA; BAJO EL RADICADO. 00322-2024..exe"
                                    1⤵
                                    • Executes dropped EXE
                                    • Adds Run key to start application
                                    • Suspicious use of SetThreadContext
                                    • System Location Discovery: System Language Discovery
                                    PID:3808
                                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
                                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
                                      2⤵
                                      • System Location Discovery: System Language Discovery
                                      • Suspicious use of AdjustPrivilegeToken
                                      PID:4120

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                                    Filesize

                                    152B

                                    MD5

                                    bffcefacce25cd03f3d5c9446ddb903d

                                    SHA1

                                    8923f84aa86db316d2f5c122fe3874bbe26f3bab

                                    SHA256

                                    23e7cbbf64c81122c3cb30a0933c10a320e254447771737a326ce37a0694d405

                                    SHA512

                                    761dae5315b35ec0b2fe68019881397f5d2eadba3963aba79a89f8953a0cd705012d7faf3a204a5f36008926b9f614980e333351596b06ce7058d744345ce2e7

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                                    Filesize

                                    152B

                                    MD5

                                    d22073dea53e79d9b824f27ac5e9813e

                                    SHA1

                                    6d8a7281241248431a1571e6ddc55798b01fa961

                                    SHA256

                                    86713962c3bb287964678b148ee08ea83fb83483dff8be91c8a6085ca560b2a6

                                    SHA512

                                    97152091ee24b6e713b8ec8123cb62511f8a7e8a6c6c3f2f6727d0a60497be28814613b476009b853575d4931e5df950e28a41afbf6707cb672206f1219c4413

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

                                    Filesize

                                    886B

                                    MD5

                                    112d21b78de46f94a83bc5bbbe6146ae

                                    SHA1

                                    49e94f3599a79fdb0ee1b67fabf70cb60ee787b7

                                    SHA256

                                    924766c08884e3507ce088313fcefedd4caa7d62473b566b0a677487298ae378

                                    SHA512

                                    69a7ae89ceb665f19ce1ae60329b7720586df0ba37a33a5e91d8bf66e9a6cad8e68d9cf0d8c3bdcc57308431e276f5c25c2f4e32bd68611506d189802089b54b

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                                    Filesize

                                    6KB

                                    MD5

                                    78025a698235d96082aa98aca53945d2

                                    SHA1

                                    3f03e8f7c67411b021b8aef0902b623549c131a7

                                    SHA256

                                    06ff00476bca37f643e0fcc62ba6ff11d3f9c723cf0b11e518f8207c61c43248

                                    SHA512

                                    41160680f48be10a3f1c3f0e30b931771363800496d59d2da310853113a9f74e32a94b0001f776d7adccc6982369f03d09120ae2e6717a2b9a2e0268b8da8997

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                                    Filesize

                                    5KB

                                    MD5

                                    c937877b5c6b4eb52452659c85f25904

                                    SHA1

                                    8a9ae7b0bcd8b428e144f3a1e34be196bc854fef

                                    SHA256

                                    6b5fbad2060ae86af2a6c86827788ef4e1289aede6662edf6c86421760ee000a

                                    SHA512

                                    b865f81e2c84abbe9bc4dc51886cd4aefec49fdb3882c401b590be9294b63e0fd1f207f42a0901972c360b4032175a3e9066d2f1005136d11a0b4031ccd767d3

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                                    Filesize

                                    6KB

                                    MD5

                                    ed687bc8252d9123556b7372dd38ce2f

                                    SHA1

                                    70998524141d60fe9ded4248b83cdb1968d1c773

                                    SHA256

                                    2c5dbe2598bbf1b140a1fd16346e49f231910f5f44f0fc5173f55f75688da2fb

                                    SHA512

                                    ac35eaac25e98f0df062a0fc51f8f4dfe0030e720f3280304de4230bb08c617388ec4a67bdd7808612fbbd140e4f38fa7617c07c7fc6d5d4c3e3d2d780df204c

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

                                    Filesize

                                    16B

                                    MD5

                                    6752a1d65b201c13b62ea44016eb221f

                                    SHA1

                                    58ecf154d01a62233ed7fb494ace3c3d4ffce08b

                                    SHA256

                                    0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

                                    SHA512

                                    9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                                    Filesize

                                    10KB

                                    MD5

                                    a42e375584e8fd405c5bdd36eaf6310b

                                    SHA1

                                    e8fa166cadbecdc4823a1102e8d21d986a74569b

                                    SHA256

                                    47d07d301d90a5969e313f50201285bf9c0d24077b5efa7c7a0ab536842dfb2d

                                    SHA512

                                    06045ac559b18c2e3a87cb6352eab94dddbacbfdeff2b9acc736b7989b02468c64772855445ab598bf2696785f98db833b569fcb4cad97df21df469c50651aab

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                                    Filesize

                                    10KB

                                    MD5

                                    3779f5dca1ae6b1abd41fe9fddce2ef9

                                    SHA1

                                    1d7d3f41480105e9c1ba183625e43a6848f32bd4

                                    SHA256

                                    133e188e628c56e3dc8897636fca5f551afaa1c714bdf057111c3d9af84228ed

                                    SHA512

                                    b11dd005b55b9dc81819b3dcb038e010234d2fe840bd03e9798051b46c48e65b79721d25d0dbad1e883317ff4634749b89158c8f3887c79e39759ede6774a39d

                                  • C:\Users\Admin\Downloads\SE EMITE AUDIENCIA CONCENTRADA; BAJO EL RADICADO. 00322-2024..exe

                                    Filesize

                                    1.4MB

                                    MD5

                                    12e5a3588230ef734189a61a3463c6d7

                                    SHA1

                                    bdc2f9b4584bc3501e6895610b453411e334cacd

                                    SHA256

                                    70feac3064249f2c3773ed2a044cb9f6e644961fe8f51e9c742d2979c6e562a3

                                    SHA512

                                    189da1c8642f44c68df44fb656d25bb463866fbfdfd95474b9e7007a98aa62e507d019a95b7a57bfed04566fb98aa3f5f6c8bf90420cc56aa6c4d3a348c6caa0

                                  • C:\Users\Admin\Downloads\Unconfirmed 890542.crdownload

                                    Filesize

                                    673KB

                                    MD5

                                    30c747954b25f174ca158158a71a406f

                                    SHA1

                                    1ead3b4f2d42c5f0031deefd16cd2f6681a3cd1b

                                    SHA256

                                    e76ac5275cfb5d83d23972c7b45ef64b0c0ce5061cbcf5320cc1cb64c439b243

                                    SHA512

                                    1716f9051d8e4130de5e8bb9603819e13c377a77a908968bcfe456475a907bbeb1e51c823137cf8340a40c806c4bdfeae51ec13e968564fab89e220ed30cba64

                                  • memory/3808-90-0x0000000000400000-0x0000000000577000-memory.dmp

                                    Filesize

                                    1.5MB

                                  • memory/3808-91-0x0000000000400000-0x0000000000577000-memory.dmp

                                    Filesize

                                    1.5MB

                                  • memory/3808-92-0x0000000000400000-0x0000000000577000-memory.dmp

                                    Filesize

                                    1.5MB

                                  • memory/3808-94-0x0000000000400000-0x0000000000577000-memory.dmp

                                    Filesize

                                    1.5MB

                                  • memory/3808-93-0x0000000000400000-0x0000000000577000-memory.dmp

                                    Filesize

                                    1.5MB

                                  • memory/3808-97-0x0000000000400000-0x0000000000577000-memory.dmp

                                    Filesize

                                    1.5MB

                                  • memory/3808-96-0x0000000000400000-0x0000000000577000-memory.dmp

                                    Filesize

                                    1.5MB

                                  • memory/4120-95-0x0000000000210000-0x0000000000222000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4120-100-0x0000000005BA0000-0x0000000006144000-memory.dmp

                                    Filesize

                                    5.6MB

                                  • memory/4120-101-0x0000000005660000-0x00000000056C6000-memory.dmp

                                    Filesize

                                    408KB

                                  • memory/4120-99-0x0000000005550000-0x00000000055EC000-memory.dmp

                                    Filesize

                                    624KB