Analysis

  • max time kernel
    51s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 10:13

General

  • Target

    X48-EXT-Loader.exe

  • Size

    3.1MB

  • MD5

    e581e122721fd49ac3bd16fd6873cf73

  • SHA1

    cc39e5a0d9c597c13d064b483d85b17b2ea4b194

  • SHA256

    eb37b4ffa493ed2235c6324772ffe5aeaf139017c62b9db98fda14e42df3336c

  • SHA512

    b4344623ef3b65bedf5612841a8379b69f8fb0362bbc98499c4c43019992e04b35c179791f71f524c3d639cf10d146d0370d4139cb534cc06d8c0c7af572211a

  • SSDEEP

    49152:zFWCBLUlZtEYk8QEFfM/AYWpJqzLzg5WDw94TqaSCK2PAnbuOEa2pz7kIls:1h8EYk89fM4YWp8WaNRAbufpzQI

Malware Config

Extracted

Family

asyncrat

Version

5.0.5

Botnet

FiveM

C2

23.27.201.57:4449

Mutex

f37qp84ilrw

Attributes
  • delay

    590

  • install

    true

  • install_file

    /WindowsRuntime/WindowsClientRuntime.exe

  • install_folder

    %AppData%

aes.plain

Extracted

Family

redline

Botnet

rlma678DL4Op

C2

23.27.201.57:1337

Signatures

  • AsyncRat

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

  • Asyncrat family
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 2 IoCs
  • Redline family
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 2 IoCs
  • Sectoprat family
  • Async RAT payload 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\X48-EXT-Loader.exe
    "C:\Users\Admin\AppData\Local\Temp\X48-EXT-Loader.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Users\Admin\AppData\Local\Temp\mem_dll-injector-1.1.exe
      "C:\Users\Admin\AppData\Local\Temp\mem_dll-injector-1.1.exe"
      2⤵
      • Executes dropped EXE
      PID:1640
    • C:\Users\Admin\AppData\Local\Temp\REX.exe
      "C:\Users\Admin\AppData\Local\Temp\REX.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2520
    • C:\Users\Admin\AppData\Local\Temp\Veax EXT NEWW.exe
      "C:\Users\Admin\AppData\Local\Temp\Veax EXT NEWW.exe"
      2⤵
      • Executes dropped EXE
      PID:1316
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2880
    • 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=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef4699758,0x7fef4699768,0x7fef4699778
      2⤵
        PID:2892
      • 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=1144 --field-trial-handle=1328,i,15140606731644624479,13263636547061689828,131072 /prefetch:2
        2⤵
          PID:2616
        • 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=1536 --field-trial-handle=1328,i,15140606731644624479,13263636547061689828,131072 /prefetch:8
          2⤵
            PID:2652
          • 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=utility --mojo-platform-channel-handle=1628 --field-trial-handle=1328,i,15140606731644624479,13263636547061689828,131072 /prefetch:8
            2⤵
              PID:2140
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --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=2244 --field-trial-handle=1328,i,15140606731644624479,13263636547061689828,131072 /prefetch:1
              2⤵
                PID:1380
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2252 --field-trial-handle=1328,i,15140606731644624479,13263636547061689828,131072 /prefetch:1
                2⤵
                  PID:2804
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=2856 --field-trial-handle=1328,i,15140606731644624479,13263636547061689828,131072 /prefetch:2
                  2⤵
                    PID:1952
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=3208 --field-trial-handle=1328,i,15140606731644624479,13263636547061689828,131072 /prefetch:1
                    2⤵
                      PID:1732
                    • 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=3668 --field-trial-handle=1328,i,15140606731644624479,13263636547061689828,131072 /prefetch:8
                      2⤵
                        PID:1528
                    • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                      "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                      1⤵
                        PID:1780

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

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

                        Filesize

                        264KB

                        MD5

                        f50f89a0a91564d0b8a211f8921aa7de

                        SHA1

                        112403a17dd69d5b9018b8cede023cb3b54eab7d

                        SHA256

                        b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                        SHA512

                        bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000006.dbtmp

                        Filesize

                        16B

                        MD5

                        aefd77f47fb84fae5ea194496b44c67a

                        SHA1

                        dcfbb6a5b8d05662c4858664f81693bb7f803b82

                        SHA256

                        4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611

                        SHA512

                        b733d502138821948267a8b27401d7c0751e590e1298fda1428e663ccd02f55d0d2446ff4bc265bdcdc61f952d13c01524a5341bc86afc3c2cde1d8589b2e1c3

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

                        Filesize

                        932B

                        MD5

                        a30f384ac49ef5ff139b041c5883d8e3

                        SHA1

                        d8b2f9b150c984d00de7bca2fb75004f2a68e7bd

                        SHA256

                        3de6fb8a40bb228a3bfefd2eac0d8b10b9051eec56771cd34fb2b9d10b13feac

                        SHA512

                        cb00a65d7d3943975b7a14fd66705bcf3ea03f5cc01bd84c03836df2fffc6363923a2b2cfee2755d466eab698ce5b1272c4c6a332b986209e81fc5c64d8e6b86

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

                        Filesize

                        5KB

                        MD5

                        c841eff512a0fadd52cf6df7861d4fda

                        SHA1

                        9eedd5446c84723c488afcb0e83d26a02ddddf9e

                        SHA256

                        4936597ed2f2b88210f80b79bf27d283276d70f7338ec53b9c5aa36332592fcd

                        SHA512

                        ea99ea297c10d62a52e56dff0d96e67d430ad734ca645c9c91fa15e562a23f3f2d2d029accaf4c6e97a37c0407542abb33c667b50823dd981955ce0bb90eac82

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

                        Filesize

                        5KB

                        MD5

                        851cf8d4df27814aafc0f8a02aa47486

                        SHA1

                        e88fdcb0df2a4666ea1b8cf0a4ece7356245245d

                        SHA256

                        f9a441bda0e9c355d05a93cf61767b6f4965ec98b0fa6a94d1c67507c130aefd

                        SHA512

                        146d7dfdc8524921ccff1491a6abb9b0bd79e40d059d4b1eae6d4582e55dce0c62487c364e335ec42d8fa38f9cf0cbf7ed7dda931ac9fc171258e2011d1fe758

                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp

                        Filesize

                        16B

                        MD5

                        18e723571b00fb1694a3bad6c78e4054

                        SHA1

                        afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                        SHA256

                        8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                        SHA512

                        43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                      • C:\Users\Admin\AppData\Local\Temp\REX.exe

                        Filesize

                        95KB

                        MD5

                        9c01c96346de435b1b47e960609e24a8

                        SHA1

                        783e2f8a524522f561ff2315bcc4f2186edc4577

                        SHA256

                        4519a12f7d2b275a87f9b1a18b391a7254e6d80253822005596baf9195d80b80

                        SHA512

                        c4b5a1b14a4fe29ceec7d3d3fbbf4708fdcc861965e4b8fc5aaf91f4397719556f83feb7a98ab0fe3b558a127cd7d471c99fc8d04b74d5fb6d486c403b59f1db

                      • C:\Users\Admin\AppData\Local\Temp\mem_dll-injector-1.1.exe

                        Filesize

                        63KB

                        MD5

                        9b116659a607c6c6a565d64694157a2b

                        SHA1

                        c6359e456149a9befdae805da1a54c566bc696d2

                        SHA256

                        b3b23423a172558e6314b9bcdaf4e4e1397c92617709b1bfa9d56875ea09d2de

                        SHA512

                        b9384f41dd77504bfec8edd5b1042a204e6e9020b8098bd011ce2bf2a9ace4f20f7880405c74a30868a60cd8da996717a3793045eb74f45d98ddaab5bb3b9e3f

                      • \Users\Admin\AppData\Local\Temp\Veax EXT NEWW.exe

                        Filesize

                        2.8MB

                        MD5

                        aea5fe2ebdd720f367e832a055ce9bf9

                        SHA1

                        6982809bd1bb8cce4342e3465a425c3700a7e02c

                        SHA256

                        51583e3e2028db3b7f8d094a1f6ef65e2afb8e30ca6d943e6a8b3e591ec9cb55

                        SHA512

                        1ad2f05dc9743e6deb024d3d8e0373ba3c10006465e7ea2fca04c8c3a5be1fec6edd7cefb3d8b67efe668943675d168d8746990014111b8fd7ed8ca20dc99109

                      • memory/1640-20-0x000007FEF5C50000-0x000007FEF663C000-memory.dmp

                        Filesize

                        9.9MB

                      • memory/1640-69-0x000007FEF5C50000-0x000007FEF663C000-memory.dmp

                        Filesize

                        9.9MB

                      • memory/1640-10-0x0000000001050000-0x0000000001066000-memory.dmp

                        Filesize

                        88KB

                      • memory/2324-0-0x000007FEF5C53000-0x000007FEF5C54000-memory.dmp

                        Filesize

                        4KB

                      • memory/2324-1-0x0000000000F50000-0x0000000001276000-memory.dmp

                        Filesize

                        3.1MB

                      • memory/2520-19-0x00000000008E0000-0x00000000008FE000-memory.dmp

                        Filesize

                        120KB