Analysis

  • max time kernel
    26s
  • max time network
    29s
  • 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 21:20

General

  • Target

    setup.exe

  • Size

    136KB

  • MD5

    7a1a5a223738032f20c9f3c21197ff76

  • SHA1

    311f1541cc22ac08a4c5ef49dcc33d843ad49495

  • SHA256

    649a001ef5ce48aec16cf5d256ef7ba2556ec9b3b1b81c8c242daff556099aec

  • SHA512

    80fe5665b5b4e07762a5834cfa15697309a7f1e721a008c8abd496ed93490e01e2e47edaf1b96d67fa9933a28362c9acadc31180b2212d44858df309ce6f396f

  • SSDEEP

    3072:z+yKAaijkyC6yaXbGKn50Ozu2hwKXdkEVMNQLcuqIWbTz7W:z+2xtbGUCUkaMyXnSTz7

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
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 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\setup.exe
    "C:\Users\Admin\AppData\Local\Temp\setup.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1172
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.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:4576
    • 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=0x84,0x88,0xe8,0x80,0x10c,0x7fff284dab58,0x7fff284dab68,0x7fff284dab78
      2⤵
        PID:5116
      • 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=1612 --field-trial-handle=1832,i,5140369925760000928,10796801536783073864,131072 /prefetch:2
        2⤵
          PID:3240
        • 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=2084 --field-trial-handle=1832,i,5140369925760000928,10796801536783073864,131072 /prefetch:8
          2⤵
            PID:3196
          • 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=2204 --field-trial-handle=1832,i,5140369925760000928,10796801536783073864,131072 /prefetch:8
            2⤵
              PID:4572
            • 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=3076 --field-trial-handle=1832,i,5140369925760000928,10796801536783073864,131072 /prefetch:1
              2⤵
                PID:1056
              • 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=3136 --field-trial-handle=1832,i,5140369925760000928,10796801536783073864,131072 /prefetch:1
                2⤵
                  PID:1208
                • 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=4272 --field-trial-handle=1832,i,5140369925760000928,10796801536783073864,131072 /prefetch:1
                  2⤵
                    PID:3468
                  • 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=4396 --field-trial-handle=1832,i,5140369925760000928,10796801536783073864,131072 /prefetch:8
                    2⤵
                      PID:2220
                    • 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=4532 --field-trial-handle=1832,i,5140369925760000928,10796801536783073864,131072 /prefetch:8
                      2⤵
                        PID:812
                      • 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=4644 --field-trial-handle=1832,i,5140369925760000928,10796801536783073864,131072 /prefetch:8
                        2⤵
                          PID:3616
                        • 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=4724 --field-trial-handle=1832,i,5140369925760000928,10796801536783073864,131072 /prefetch:8
                          2⤵
                            PID:4220
                          • 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=4584 --field-trial-handle=1832,i,5140369925760000928,10796801536783073864,131072 /prefetch:8
                            2⤵
                              PID:2140
                            • 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=13 --mojo-platform-channel-handle=4636 --field-trial-handle=1832,i,5140369925760000928,10796801536783073864,131072 /prefetch:1
                              2⤵
                                PID:1608
                              • 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=14 --mojo-platform-channel-handle=4936 --field-trial-handle=1832,i,5140369925760000928,10796801536783073864,131072 /prefetch:1
                                2⤵
                                  PID:3660
                                • 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=15 --mojo-platform-channel-handle=3412 --field-trial-handle=1832,i,5140369925760000928,10796801536783073864,131072 /prefetch:1
                                  2⤵
                                    PID:4656
                                • 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:4556

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  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\Network\TransportSecurity

                                    Filesize

                                    356B

                                    MD5

                                    2f25535d30a19e43aa2b4213340a5241

                                    SHA1

                                    bdce866f4d169da54e135485eb69a2864765f362

                                    SHA256

                                    374863c01b3492479545efa92b8f0b13b7cb0cd5fb7c03749525f41bdbc0dc80

                                    SHA512

                                    0336f4b8879324293e4c75c832038f58c96e6a2b83e5c499f434da009870432839382f39af6606690b4226d83f3e4a2bbe44707144a93bd06baf11ba3ec380d6

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

                                    Filesize

                                    6KB

                                    MD5

                                    60e230d389d4a7dfde26b18362ee36be

                                    SHA1

                                    9e00b2477eb5b4ea6d2484c470050828915d339e

                                    SHA256

                                    413aaa366419816f0e64934e1b575d4f66992993ae137d9e095b90f5b249af35

                                    SHA512

                                    56f951c23fad25ec1b474e55e9f557c24421d05f101c71766cf99a596d1857cebf149fe4c31c078e23361152f8c47f8ff3a3568f6d7864176c5657f03a138422

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

                                    Filesize

                                    16KB

                                    MD5

                                    07adecc3f82497dc09d18632415fea14

                                    SHA1

                                    d5323eb1c50d54803803fbd5f99fa8469561a044

                                    SHA256

                                    1072bbd37bf24813a7897bb4314d3f1babfdd186b443028196bb10da4571d8ac

                                    SHA512

                                    9230be3f36a1af1484231f6374430f79ab6de2bbbde230df95279854db9315700e0d8fc7c596d0d56b9df2bf22b29f8aa3b7acb6d048213f4eafa3103c66e73d

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

                                    Filesize

                                    279KB

                                    MD5

                                    56fa8418d6c8ad3c9f4105120e1bf59a

                                    SHA1

                                    7e010fe8eeff4ccc8ebd39a6efc8d5a75111411e

                                    SHA256

                                    aa82e0345130f2b05f12d507bf78276eb847f7830777e946f9584c5938f891d0

                                    SHA512

                                    ad8f34eec1d81c7730a6133710c69f0098f20926a0de0437f6d7d1faacf6bc1e868495b4be854bda1bce59e9e6a4f2b563d6161f7f41ee6b93e11489a93fa871

                                  • \??\pipe\crashpad_4576_PROIAZYLUALWJZVF

                                    MD5

                                    d41d8cd98f00b204e9800998ecf8427e

                                    SHA1

                                    da39a3ee5e6b4b0d3255bfef95601890afd80709

                                    SHA256

                                    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                    SHA512

                                    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                  • memory/1172-0-0x00007FFF19B53000-0x00007FFF19B55000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1172-1-0x0000000000E40000-0x0000000000E66000-memory.dmp

                                    Filesize

                                    152KB

                                  • memory/1172-2-0x00007FFF19B50000-0x00007FFF1A612000-memory.dmp

                                    Filesize

                                    10.8MB