Analysis

  • max time kernel
    108s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    21-07-2024 20:00

General

  • Target

    zwirAFK.exe

  • Size

    63KB

  • MD5

    c9df1c28f720e04d38a9c44598cb33f9

  • SHA1

    6ad67b10c1e355a9586a1cec3ae813e112148a17

  • SHA256

    847fe611efd7e9e6375b659664a9d53a4807d62d670cc8e591ad65b28297c58a

  • SHA512

    8611057f93ad5feb5cbca3535b07b40bf47a9fa1f26d3d18bc96c0238e83a7cfb64a8ec4986f12e9492c1b6d496c3a4f7df8d7da77f764d31edc3e06629c99b2

  • SSDEEP

    1536:cRnrEGV/tWnpgUbfh9o2cmlukdpqKmY7:cFEGV0pgUbf8zm7Gz

Score
10/10

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

192.168.1.108:2024

Attributes
  • delay

    1

  • install

    true

  • install_file

    OperaGx.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Async RAT payload 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 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
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\zwirAFK.exe
    "C:\Users\Admin\AppData\Local\Temp\zwirAFK.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1512
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "OperaGx" /tr '"C:\Users\Admin\AppData\Roaming\OperaGx.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2800
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "OperaGx" /tr '"C:\Users\Admin\AppData\Roaming\OperaGx.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2896
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpCCA2.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2812
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2356
      • C:\Users\Admin\AppData\Roaming\OperaGx.exe
        "C:\Users\Admin\AppData\Roaming\OperaGx.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1636
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:840
    • 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,0x7fef70c9758,0x7fef70c9768,0x7fef70c9778
      2⤵
        PID:652
      • 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=1168 --field-trial-handle=1208,i,8820394833357744709,9518316794270431057,131072 /prefetch:2
        2⤵
          PID:2476
        • 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=1556 --field-trial-handle=1208,i,8820394833357744709,9518316794270431057,131072 /prefetch:8
          2⤵
            PID:1656
          • 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=1572 --field-trial-handle=1208,i,8820394833357744709,9518316794270431057,131072 /prefetch:8
            2⤵
              PID:708
            • 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=2160 --field-trial-handle=1208,i,8820394833357744709,9518316794270431057,131072 /prefetch:1
              2⤵
                PID:3020
              • 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=2164 --field-trial-handle=1208,i,8820394833357744709,9518316794270431057,131072 /prefetch:1
                2⤵
                  PID:572
                • 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=1336 --field-trial-handle=1208,i,8820394833357744709,9518316794270431057,131072 /prefetch:2
                  2⤵
                    PID:864
                  • 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=1464 --field-trial-handle=1208,i,8820394833357744709,9518316794270431057,131072 /prefetch:1
                    2⤵
                      PID:1832
                    • 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=3740 --field-trial-handle=1208,i,8820394833357744709,9518316794270431057,131072 /prefetch:8
                      2⤵
                        PID:1260
                      • 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=10 --mojo-platform-channel-handle=3760 --field-trial-handle=1208,i,8820394833357744709,9518316794270431057,131072 /prefetch:1
                        2⤵
                          PID:1748
                      • 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:1276

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000001

                          Filesize

                          211KB

                          MD5

                          151fb811968eaf8efb840908b89dc9d4

                          SHA1

                          7ec811009fd9b0e6d92d12d78b002275f2f1bee1

                          SHA256

                          043fd8558e4a5a60aaccd2f0377f77a544e3e375242e9d7200dc6e51f94103ed

                          SHA512

                          83aface0ab01da52fd077f747c9d5916e3c06b0ea5c551d7d316707ec3e8f3f986ce1c82e6f2136e48c6511a83cb0ac67ff6dc8f0e440ac72fc6854086a87674

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index

                          Filesize

                          168B

                          MD5

                          8796af39fcf2b3d44b60fdf1122867ac

                          SHA1

                          7cdb464eebf0c31e8ca6dd96c2f6005b9f374805

                          SHA256

                          1d1a5ecb5dd37971e0cf599cd9fb44d816325c9726ef8eadedf4fb69ba6363a7

                          SHA512

                          b7ac7280c04e24577944e2ff46fd5570c9fea97ba682cc2fdd32a6ea10c6b674df1bcc519eb13296aa800da88a1a09128b840484d44d7999a80a2d771c6e01d4

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

                          Filesize

                          264KB

                          MD5

                          f50f89a0a91564d0b8a211f8921aa7de

                          SHA1

                          112403a17dd69d5b9018b8cede023cb3b54eab7d

                          SHA256

                          b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                          SHA512

                          bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

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

                          Filesize

                          4KB

                          MD5

                          31bff9bd91669f54cf1646124da91aa6

                          SHA1

                          3138f336398a63b02ded81d6aba3134f3000ea70

                          SHA256

                          279c0c2e9678ba1c3cf6e8fa97cc5bc64dbb5c5e37ac05607a3e799e686fb624

                          SHA512

                          cfa7d3588af509fd13887052aad5b65e3195e2992d1bdd4f411bf6b0725e2d09540f26cb0b03fae845d796932d6f3f09183ca4fe69c0d5a211c7d79c3445051d

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

                          Filesize

                          4KB

                          MD5

                          bfa2a5fe0adf06b4351c897625c2287e

                          SHA1

                          f67a06561e0c191860bda4c9916d20987378e776

                          SHA256

                          ace0e4bfc2ac238bad1949882251ff916c2faed014e034ec90b6958879e101fb

                          SHA512

                          ee676f97cc2f86d2b25fd4de48425c87545bc209271756e1e666209bed68e6c791e57fba7a8b614526b9cbb7390f6df561e5e7efd83318ef7171e069ca9cc85e

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

                          Filesize

                          4KB

                          MD5

                          24b2135ca4a612d07dab58cb8c232381

                          SHA1

                          619a53386c504afffe8e68e9ac64b396f148737c

                          SHA256

                          b439e047a17d14ec3763bf33e268be6e1897acce5f72c2c90fba60ba6a04dfae

                          SHA512

                          cb1c9297a43ec8d2513608c03862ff0824c9edd4378a5fb3506be0ed8e79f7d35e5609ceb6d06a5f580908e5d30a7c1c26c9864687b9cc358ceb58e4d4f4e723

                        • 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\tmpCCA2.tmp.bat

                          Filesize

                          151B

                          MD5

                          71098d41b924e49f2b1d3839ed03c330

                          SHA1

                          c0d126cd93607c64460c2361769750cde7566204

                          SHA256

                          d6da18501d2161a20dcc6c4ed9d1f18153dcbb247698310471c2517ca1ec5540

                          SHA512

                          cf8c3d09e664c0c5f1c48a1d66b502232218bfec09d54c8515cf00f44542f60ea49e9b8eaacce6b12bda7514890f7ae834cbd988510210ef8b19cb8e684a864b

                        • C:\Users\Admin\AppData\Roaming\OperaGx.exe

                          Filesize

                          63KB

                          MD5

                          c9df1c28f720e04d38a9c44598cb33f9

                          SHA1

                          6ad67b10c1e355a9586a1cec3ae813e112148a17

                          SHA256

                          847fe611efd7e9e6375b659664a9d53a4807d62d670cc8e591ad65b28297c58a

                          SHA512

                          8611057f93ad5feb5cbca3535b07b40bf47a9fa1f26d3d18bc96c0238e83a7cfb64a8ec4986f12e9492c1b6d496c3a4f7df8d7da77f764d31edc3e06629c99b2

                        • memory/1512-13-0x000007FEF59B0000-0x000007FEF639C000-memory.dmp

                          Filesize

                          9.9MB

                        • memory/1512-0-0x000007FEF59B3000-0x000007FEF59B4000-memory.dmp

                          Filesize

                          4KB

                        • memory/1512-3-0x000007FEF59B0000-0x000007FEF639C000-memory.dmp

                          Filesize

                          9.9MB

                        • memory/1512-2-0x000007FEF59B0000-0x000007FEF639C000-memory.dmp

                          Filesize

                          9.9MB

                        • memory/1512-1-0x0000000000810000-0x0000000000826000-memory.dmp

                          Filesize

                          88KB

                        • memory/1636-17-0x0000000001290000-0x00000000012A6000-memory.dmp

                          Filesize

                          88KB