Analysis

  • max time kernel
    22s
  • max time network
    25s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    25/03/2025, 09:56

General

  • Target

    Nеw-Inst[х64].exe

  • Size

    1.8MB

  • MD5

    3386e2abdfb0d9549bfba2cce6ca7689

  • SHA1

    ed6cb1b6d742f644ea2d1450c84a715d0b342d5c

  • SHA256

    6a4c87064969595078355dae42918fc19c3b71f422d6b5af9cee50a2af2d7b88

  • SHA512

    8f5af4ba0f985ef0b2ebb0a1518f07ad39feac4c355587fa4b1db093d8f763bff4484488a7692550fa458499af696dc2d09c54266a7a2ecfe1340de97eacf8de

  • SSDEEP

    49152:TRWp/PzUuHrGdkuxEiRMmWqf2/wzfUMrf5yfdoP+krDDjJOeZs:TEJPzXHrGdkuWJmWZ4CfdoPhXJOk

Malware Config

Extracted

Family

xworm

C2

89.39.121.169:9000

Attributes
  • Install_directory

    %AppData%

  • install_file

    RunShell.exe

Signatures

  • DcRat

    DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

  • Dcrat family
  • Detect Xworm Payload 2 IoCs
  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 2 IoCs
  • Stormkitty family
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 7 IoCs
  • Looks up external IP address via web service 3 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 62 IoCs
  • Suspicious use of SendNotifyMessage 58 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Nеw-Inst[х64].exe
    "C:\Users\Admin\AppData\Local\Temp\Nеw-Inst[х64].exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2848
    • C:\Users\Admin\AppData\Local\Temp\XClient.exe
      "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2652
    • C:\Users\Admin\AppData\Local\Temp\Build.exe
      "C:\Users\Admin\AppData\Local\Temp\Build.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2748
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 1084
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:2124
    • C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe
      "C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2692
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\WinnetCommonSvc\EF1rb20B7Zp52f5Q8odTU.vbe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2720
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\WinnetCommonSvc\ckg6ORaGrHhdrhoaDEIfOHU33jMcFfgqQelkNCXcy5pLINkbo7vRcc.bat" "
          4⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2600
          • C:\WinnetCommonSvc\fontWinnet.exe
            "C:\WinnetCommonSvc/fontWinnet.exe"
            5⤵
            • Executes dropped EXE
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2552
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\3Qr72q2TrP.bat"
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:1176
              • C:\Windows\system32\chcp.com
                chcp 65001
                7⤵
                  PID:440
                • C:\Windows\system32\PING.EXE
                  ping -n 10 localhost
                  7⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2608
                • C:\Windows\ShellNew\csrss.exe
                  "C:\Windows\ShellNew\csrss.exe"
                  7⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1660
    • 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 FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2504
      • 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,0x7fef3139758,0x7fef3139768,0x7fef3139778
        2⤵
          PID:1628
        • 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=1148 --field-trial-handle=1292,i,12669048549470153974,14634118100230582490,131072 /prefetch:2
          2⤵
            PID:1932
          • 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=1472 --field-trial-handle=1292,i,12669048549470153974,14634118100230582490,131072 /prefetch:8
            2⤵
              PID:1728
            • 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=1504 --field-trial-handle=1292,i,12669048549470153974,14634118100230582490,131072 /prefetch:8
              2⤵
                PID:1688
              • 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=1468 --field-trial-handle=1292,i,12669048549470153974,14634118100230582490,131072 /prefetch:1
                2⤵
                  PID:876
                • 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=2272 --field-trial-handle=1292,i,12669048549470153974,14634118100230582490,131072 /prefetch:1
                  2⤵
                    PID:2464
                  • 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=1160 --field-trial-handle=1292,i,12669048549470153974,14634118100230582490,131072 /prefetch:2
                    2⤵
                      PID:2072
                    • 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=3160 --field-trial-handle=1292,i,12669048549470153974,14634118100230582490,131072 /prefetch:1
                      2⤵
                        PID:268
                      • 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=3176 --field-trial-handle=1292,i,12669048549470153974,14634118100230582490,131072 /prefetch:8
                        2⤵
                          PID:480
                        • 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=3464 --field-trial-handle=1292,i,12669048549470153974,14634118100230582490,131072 /prefetch:8
                          2⤵
                            PID:1996
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe"
                          1⤵
                            PID:1760
                            • 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,0x7fef3139758,0x7fef3139768,0x7fef3139778
                              2⤵
                                PID:2096
                            • 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:2384

                              Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad\settings.dat

                                Filesize

                                40B

                                MD5

                                4af14b992d16a9097ddb4009c70b96b9

                                SHA1

                                2606b4a060c324c2048ea8d54374d4f2402886eb

                                SHA256

                                6ed45c34d54bb5f6e8b2a14aeb78406c243ca3d5eecd7a00089957e8c98dc7ce

                                SHA512

                                3d7642f60e8a54040b80872747cd6f37017c77ad3ec3f4370fe5641f8a0b76ffbf59f6592f9851d35ee192789b525e2e20d9cabb4c52f00cc08ea3bd94fa8987

                              • 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\Sync Data\LevelDB\000007.dbtmp

                                Filesize

                                16B

                                MD5

                                18e723571b00fb1694a3bad6c78e4054

                                SHA1

                                afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                                SHA256

                                8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                                SHA512

                                43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                              • C:\Users\Admin\AppData\Local\Temp\3Qr72q2TrP.bat

                                Filesize

                                157B

                                MD5

                                6648b009047e450a19b678ce4564372c

                                SHA1

                                f46ce52051662e94c99cc8646ff15f596eb010dc

                                SHA256

                                ddc4a0a05bb04d312f42de163bfb9d556d770724b75b36493d4d2e74fa99d4de

                                SHA512

                                7d1118444cef57b0aa141265f9b9bbaf538a8e689b30722c56ebc85a63c34cf3f9685a47125b36ce64f9ca0dc136ddd86f3986c68584edaf0e0822847a874587

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

                                Filesize

                                250KB

                                MD5

                                b8f3934b55afbaa069717cd2e2eda6dd

                                SHA1

                                b33071c576f2637bd679002f01ca68e4df5112ec

                                SHA256

                                7cd58601d62de54c16bf279d2eb477a0e5b85f62cbe387268c1bec578db2a1e3

                                SHA512

                                2bab25ed6f190e56a96986400e5004956d44e3c9fe6e95e0b6540e503ad232ed3c08c85aaf3926a7bab3041fdbe64e363785c07fce9c011fc09abf2c39fde0c1

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

                                Filesize

                                2.2MB

                                MD5

                                730239632db99d16b9f2656950408bcc

                                SHA1

                                ae877e836becf0b7727cf61c0277446c1c5ed381

                                SHA256

                                6dbcdb70833bb9ac5656887e6eae082ade4d197bcf6516c70e10ab196a23d292

                                SHA512

                                bd3b2973c54ee9754f19ef5eba73d9252de285c5d574611b01db0ea3f0c3c145686e319dc2a9f6b8aff94728eb1bfb8485a98152175cca5deed52b6318c16da5

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

                                Filesize

                                64KB

                                MD5

                                31d745f5009eeda2da51b2d05d9711c5

                                SHA1

                                26c27b236bed8cb2046acddcc1c7d7b642b7c610

                                SHA256

                                37330d19e9479d225bf3934cf1b7bb233adc6bf0c8c876f181b814759d7c0b0f

                                SHA512

                                8319478d1ef266243e26592edbef9acbb07eb6de059043981e7f824424501691d41eef4736f6fe05e7ffc718ed0133489d22bd850c7a6773f7f50bf34207da4b

                              • C:\WinnetCommonSvc\EF1rb20B7Zp52f5Q8odTU.vbe

                                Filesize

                                247B

                                MD5

                                8fbc46f9794e1b89929cd710e53f0459

                                SHA1

                                15453a386f1c94b5ea4cd0ec41aa3c79c5dd2f54

                                SHA256

                                aaa6ca00879bea0f370824f57a72071aea49ae438ad2abb3eb4c9faddbab3d86

                                SHA512

                                b9fe28c4b771eae1f2261e4e17ec9e6d6055e17a5a2a5a32f8ecc7aaba9cf73f14e89ffafcc3455ed57cfa48fdde6d393630f585349f8ce4d2302543f323dc9b

                              • C:\WinnetCommonSvc\ckg6ORaGrHhdrhoaDEIfOHU33jMcFfgqQelkNCXcy5pLINkbo7vRcc.bat

                                Filesize

                                89B

                                MD5

                                f2c017fa853e79d1fc9f0ef254fbd9b7

                                SHA1

                                911039790cbad8fd3d7ff7d5dd3ed0099adc4ed9

                                SHA256

                                8848856354f6c99d5821c08136a03c75597f43dbfe1f8475998db4b19e833b13

                                SHA512

                                ec1af3b307d7c7d30011ef7a9d0d1b7c53f15cdc7f028163fa40db3711e9d83271dc4a089160d9c9a6b4687ddd87b0cd6fd5bda2e375a080c8d0a6badc4885ca

                              • \WinnetCommonSvc\fontWinnet.exe

                                Filesize

                                1.9MB

                                MD5

                                a5696185d5f9c88887e304e46944a366

                                SHA1

                                dd3daef6d70edcfbff6e58a123a25e212534941f

                                SHA256

                                3672ce6a54d5f04368c85ca8d46b2f0d67b548d05703bb14cf3492dc21fff8da

                                SHA512

                                9dadc5dfec936039b09aeed6c49a58cbe1162a9939283efa27d8660ea8aeeafc28d246ddf4270df93d89af15822d1f8b4aebc8d74ba040969753975013b3d579

                              • memory/1660-73-0x0000000000F60000-0x000000000114C000-memory.dmp

                                Filesize

                                1.9MB

                              • memory/2552-40-0x0000000000550000-0x000000000056C000-memory.dmp

                                Filesize

                                112KB

                              • memory/2552-36-0x00000000009E0000-0x0000000000BCC000-memory.dmp

                                Filesize

                                1.9MB

                              • memory/2552-44-0x0000000000530000-0x000000000053C000-memory.dmp

                                Filesize

                                48KB

                              • memory/2552-48-0x0000000000590000-0x000000000059C000-memory.dmp

                                Filesize

                                48KB

                              • memory/2552-46-0x0000000000540000-0x000000000054E000-memory.dmp

                                Filesize

                                56KB

                              • memory/2552-42-0x0000000000570000-0x0000000000588000-memory.dmp

                                Filesize

                                96KB

                              • memory/2552-38-0x0000000000410000-0x000000000041E000-memory.dmp

                                Filesize

                                56KB

                              • memory/2652-70-0x000007FEF5D20000-0x000007FEF670C000-memory.dmp

                                Filesize

                                9.9MB

                              • memory/2652-28-0x000007FEF5D20000-0x000007FEF670C000-memory.dmp

                                Filesize

                                9.9MB

                              • memory/2652-18-0x0000000000940000-0x0000000000956000-memory.dmp

                                Filesize

                                88KB

                              • memory/2748-29-0x0000000000110000-0x0000000000154000-memory.dmp

                                Filesize

                                272KB

                              • memory/2848-0-0x000007FEF5D23000-0x000007FEF5D24000-memory.dmp

                                Filesize

                                4KB

                              • memory/2848-19-0x000007FEF5D20000-0x000007FEF670C000-memory.dmp

                                Filesize

                                9.9MB

                              • memory/2848-1-0x0000000000BA0000-0x0000000000D78000-memory.dmp

                                Filesize

                                1.8MB