Analysis

  • max time kernel
    13s
  • max time network
    14s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240611-en
  • resource tags

    arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    21-06-2024 21:16

General

  • Target

    redtiger.exe

  • Size

    132KB

  • MD5

    ee5400b9139644f8909689481516526e

  • SHA1

    43fd35c6e6318e03a87e6e038d2def520d89dc99

  • SHA256

    a15ce1055408e7c5d56a9b995d468191abd26ca30650f931a6861f01a3c51cbe

  • SHA512

    3d3b3cc859e0f03b0539cc2c3c23689d591eb02835228903df3dea207946cd40ab9d6a637461d778bdc8aedf3a7c38f871670c5256e1bf9e592d434e3655bf87

  • SSDEEP

    3072:F0ORdY5ue6RbAvgALcndk5OGiU9X6wKXdkEVMNQLcuqIWbTz75:FPe+b15ii+fUkaMyXnSTz7

Malware Config

Extracted

Family

xworm

C2

192.168.56.1:80

Attributes
  • Install_directory

    %Temp%

  • install_file

    RedTiger.exe

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 16 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\redtiger.exe
    "C:\Users\Admin\AppData\Local\Temp\redtiger.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:5036
  • 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 behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4004
    • 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=0x100,0x104,0x108,0xdc,0x10c,0x7ffb47c9ab58,0x7ffb47c9ab68,0x7ffb47c9ab78
      2⤵
        PID:3408
      • 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=584 --field-trial-handle=1800,i,13163656209612467878,1807501367742683551,131072 /prefetch:2
        2⤵
          PID:3712
        • 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=2144 --field-trial-handle=1800,i,13163656209612467878,1807501367742683551,131072 /prefetch:8
          2⤵
            PID:3272
          • 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=2216 --field-trial-handle=1800,i,13163656209612467878,1807501367742683551,131072 /prefetch:8
            2⤵
              PID:1460
            • 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=3056 --field-trial-handle=1800,i,13163656209612467878,1807501367742683551,131072 /prefetch:1
              2⤵
                PID:2160
              • 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=3128 --field-trial-handle=1800,i,13163656209612467878,1807501367742683551,131072 /prefetch:1
                2⤵
                  PID:4360
                • 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=7 --mojo-platform-channel-handle=4268 --field-trial-handle=1800,i,13163656209612467878,1807501367742683551,131072 /prefetch:1
                  2⤵
                    PID:4024
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4284 --field-trial-handle=1800,i,13163656209612467878,1807501367742683551,131072 /prefetch:8
                    2⤵
                      PID:1504
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4556 --field-trial-handle=1800,i,13163656209612467878,1807501367742683551,131072 /prefetch:8
                      2⤵
                        PID:2880
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --extension-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=4088 --field-trial-handle=1800,i,13163656209612467878,1807501367742683551,131072 /prefetch:1
                        2⤵
                          PID:4552
                        • 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=11 --mojo-platform-channel-handle=4464 --field-trial-handle=1800,i,13163656209612467878,1807501367742683551,131072 /prefetch:1
                          2⤵
                            PID:2868
                          • 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=12 --mojo-platform-channel-handle=3368 --field-trial-handle=1800,i,13163656209612467878,1807501367742683551,131072 /prefetch:1
                            2⤵
                              PID:4844
                          • 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:4056

                            Network

                            MITRE ATT&CK Enterprise v15

                            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\Local State

                              Filesize

                              140KB

                              MD5

                              f359815cabc38857945e28e7703f06ca

                              SHA1

                              a6779fe37504d845cb30f180db06c12b87bcceed

                              SHA256

                              652d2913069a19023552b5870934d2ad96dcf8e7276479adacc31cdf0ab266cf

                              SHA512

                              9ab742865b9ab6eaaeb3d66a0a71f2f88538a32db04ed91150fef9bc9b8e14a4f7c060c6d2606bf6e91aa791e7f5214a66f61f9ab2d0236cd924cd66e0b78c9c

                            • \??\pipe\crashpad_4004_DDRRDIXZHURHIDPA

                              MD5

                              d41d8cd98f00b204e9800998ecf8427e

                              SHA1

                              da39a3ee5e6b4b0d3255bfef95601890afd80709

                              SHA256

                              e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                              SHA512

                              cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                            • memory/5036-0-0x00007FFB5DF03000-0x00007FFB5DF05000-memory.dmp

                              Filesize

                              8KB

                            • memory/5036-1-0x0000000000030000-0x0000000000056000-memory.dmp

                              Filesize

                              152KB

                            • memory/5036-2-0x00007FFB5DF00000-0x00007FFB5E9C2000-memory.dmp

                              Filesize

                              10.8MB