Analysis

  • max time kernel
    53s
  • max time network
    53s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-07-2024 18:08

General

  • Target

    https://temp.sh/uMbqJ/Client-built.exe

Malware Config

Extracted

Family

discordrat

Attributes
  • discord_token

    MTI1ODU2OTIyODI0NDQ4ODIyMw.GnIJVs.5zOhjSe19Xxbj-9HD6xp8S7SsR4uMRCuSTJDrw

  • server_id

    1258830436147396800

Signatures

  • Discord RAT

    A RAT written in C# using Discord as a C2.

  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://temp.sh/uMbqJ/Client-built.exe
    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:4832
    • 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,0x100,0x104,0xd8,0x108,0x7ffd07f4ab58,0x7ffd07f4ab68,0x7ffd07f4ab78
      2⤵
        PID:2716
      • 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=1700 --field-trial-handle=1900,i,318298637815053406,6752019517990203327,131072 /prefetch:2
        2⤵
          PID:4712
        • 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=1900,i,318298637815053406,6752019517990203327,131072 /prefetch:8
          2⤵
            PID:3100
          • 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=2240 --field-trial-handle=1900,i,318298637815053406,6752019517990203327,131072 /prefetch:8
            2⤵
              PID:1652
            • 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=2960 --field-trial-handle=1900,i,318298637815053406,6752019517990203327,131072 /prefetch:1
              2⤵
                PID:2728
              • 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=2968 --field-trial-handle=1900,i,318298637815053406,6752019517990203327,131072 /prefetch:1
                2⤵
                  PID:4892
                • 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=3924 --field-trial-handle=1900,i,318298637815053406,6752019517990203327,131072 /prefetch:8
                  2⤵
                    PID:1120
                  • 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=4576 --field-trial-handle=1900,i,318298637815053406,6752019517990203327,131072 /prefetch:8
                    2⤵
                      PID:2760
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=4920 --field-trial-handle=1900,i,318298637815053406,6752019517990203327,131072 /prefetch:8
                      2⤵
                        PID:2112
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5064 --field-trial-handle=1900,i,318298637815053406,6752019517990203327,131072 /prefetch:8
                        2⤵
                          PID:3168
                        • 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=4216 --field-trial-handle=1900,i,318298637815053406,6752019517990203327,131072 /prefetch:8
                          2⤵
                            PID:1628
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=4824 --field-trial-handle=1900,i,318298637815053406,6752019517990203327,131072 /prefetch:8
                            2⤵
                              PID:1268
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5076 --field-trial-handle=1900,i,318298637815053406,6752019517990203327,131072 /prefetch:8
                              2⤵
                                PID:4584
                              • C:\Users\Admin\Downloads\Client-built.exe
                                "C:\Users\Admin\Downloads\Client-built.exe"
                                2⤵
                                • Executes dropped EXE
                                • Suspicious use of AdjustPrivilegeToken
                                PID:4872
                            • 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:3132
                              • C:\Windows\system32\taskmgr.exe
                                "C:\Windows\system32\taskmgr.exe" /4
                                1⤵
                                • Checks SCSI registry key(s)
                                • Checks processor information in registry
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious behavior: GetForegroundWindowSpam
                                • Suspicious use of AdjustPrivilegeToken
                                • Suspicious use of FindShellTrayWindow
                                • Suspicious use of SendNotifyMessage
                                PID:5052

                              Network

                              MITRE ATT&CK Matrix ATT&CK v13

                              Discovery

                              Query Registry

                              3
                              T1012

                              Peripheral Device Discovery

                              1
                              T1120

                              System Information Discovery

                              3
                              T1082

                              Command and Control

                              Web Service

                              1
                              T1102

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              • 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

                                8809978978dc1a0e3b19c09de9206766

                                SHA1

                                6eb45d160c99eb42a617fe10590dff81130a88ce

                                SHA256

                                c9859292a87550a64631f2fddd34d5585ed0d3415fa0ad241724f2f838bfe67f

                                SHA512

                                6d6c81ba56ae68f3fe9b36f1c81d9dacca591ae3dc62310048749620f75860af80785e66c72e3af2c6b44dee23d18dc7dc6e7278edc0ea45d971a2d3173ffdff

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

                                7KB

                                MD5

                                5fc8f321fe28770687278d8921726574

                                SHA1

                                950c285b13a900dde2e1e3bc51ddfd9e1d021e5b

                                SHA256

                                92f2f87723fa8f7fe62017330cc5b8daf58f413351c525f8f56a5af7b18139ec

                                SHA512

                                1ae22ebf6dcfaf96f2643ada189b0122c0d66deefd8fc4e8bceca7c1d6edec70e2eeaedef9ee682e283fb0d264fcf45de8d9b0a130b89c53e6e673c308a8e193

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

                                144KB

                                MD5

                                aa4754c287300e54bb4a10de5ad27e91

                                SHA1

                                78700d6833154cbe0bfc4db11d3d71f8e6692f1b

                                SHA256

                                0500f7126d1e1588584cc488f725598a0f3ab4216c27a4e7b9c4dd2bc674ac46

                                SHA512

                                a6cf2565b42d41547f37df771dd463fafec65aaa6eef6d667d2a1221a197d45b4e327d1faf2cee9595515e5980468eee6044b48f5599dac3e5bb4feb2551747c

                              • C:\Users\Admin\Downloads\Client-built.exe
                                Filesize

                                78KB

                                MD5

                                3af7020c009f0a19928adfd6bb0c4020

                                SHA1

                                53d39065c64a083761be79f62b5c2f5575286403

                                SHA256

                                2d7bb996e36f5788d26e021d056c8ec48bc3dcdb57ffb0f4cd9380e6e84eabfd

                                SHA512

                                1ecd3ee565c181284492c37a518c5c3e34e6d34ddcf485c905e34fce95de1cda6ca8721bc5f56d905aa90341eb7f2cbaa3319c7127d3416d08d6f9b371f33bd8

                              • \??\pipe\crashpad_4832_FJFYZGFSEVQZURCD
                                MD5

                                d41d8cd98f00b204e9800998ecf8427e

                                SHA1

                                da39a3ee5e6b4b0d3255bfef95601890afd80709

                                SHA256

                                e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                SHA512

                                cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                              • memory/4872-54-0x0000017A339B0000-0x0000017A339C8000-memory.dmp
                                Filesize

                                96KB

                              • memory/4872-58-0x0000017A4F510000-0x0000017A4FA38000-memory.dmp
                                Filesize

                                5.2MB

                              • memory/4872-57-0x00007FFCFA120000-0x00007FFCFABE1000-memory.dmp
                                Filesize

                                10.8MB

                              • memory/4872-56-0x0000017A4E190000-0x0000017A4E352000-memory.dmp
                                Filesize

                                1.8MB

                              • memory/4872-55-0x00007FFCFA123000-0x00007FFCFA125000-memory.dmp
                                Filesize

                                8KB

                              • memory/4872-95-0x00007FFCFA123000-0x00007FFCFA125000-memory.dmp
                                Filesize

                                8KB

                              • memory/4872-96-0x00007FFCFA120000-0x00007FFCFABE1000-memory.dmp
                                Filesize

                                10.8MB

                              • memory/5052-69-0x000001EE84F50000-0x000001EE84F51000-memory.dmp
                                Filesize

                                4KB

                              • memory/5052-76-0x000001EE84F50000-0x000001EE84F51000-memory.dmp
                                Filesize

                                4KB

                              • memory/5052-81-0x000001EE84F50000-0x000001EE84F51000-memory.dmp
                                Filesize

                                4KB

                              • memory/5052-80-0x000001EE84F50000-0x000001EE84F51000-memory.dmp
                                Filesize

                                4KB

                              • memory/5052-79-0x000001EE84F50000-0x000001EE84F51000-memory.dmp
                                Filesize

                                4KB

                              • memory/5052-78-0x000001EE84F50000-0x000001EE84F51000-memory.dmp
                                Filesize

                                4KB

                              • memory/5052-77-0x000001EE84F50000-0x000001EE84F51000-memory.dmp
                                Filesize

                                4KB

                              • memory/5052-75-0x000001EE84F50000-0x000001EE84F51000-memory.dmp
                                Filesize

                                4KB

                              • memory/5052-70-0x000001EE84F50000-0x000001EE84F51000-memory.dmp
                                Filesize

                                4KB

                              • memory/5052-71-0x000001EE84F50000-0x000001EE84F51000-memory.dmp
                                Filesize

                                4KB