Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/04/2024, 09:21

General

  • Target
    8392650851d29f54e051d8a6499889a5.exe
  • Size 2.3MB
  • Sample240406-lbbqaafg92
  • SHA256 b98ba4f48ad58a55a79732eea1f80838bc26dc0ab3ba0403d04a3c25df9c3d08
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

Version
  • 3.1

C2
  • gamemodz.duckdns.org:4678

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

Signatures

  • Chaos

    Ransomware family first seen in June 2021.

  • Chaos Ransomware 2 IoCs
  • Detect HermeticWiper 1 IoCs

    Detect HermeticWiper Payload.

  • Detect Xworm Payload 1 IoCs
  • Detect ZGRat V1 34 IoCs
  • HermeticWiper

    HermeticWiper is a partition-corrupting malware used in cyberattacks against Ukrainian organizations.

  • Xworm

    Xworm is a remote access trojan written in C#.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Drops file in Drivers directory 3 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 4 IoCs
  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious behavior: LoadsDriver 5 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8392650851d29f54e051d8a6499889a5.exe
    "C:\Users\Admin\AppData\Local\Temp\8392650851d29f54e051d8a6499889a5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5040
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4732
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "cvtres" /tr "C:\Users\Admin\AppData\Roaming\cvtres.exe"
        3⤵
        • Creates scheduled task(s)
        PID:1100
      • C:\Users\Admin\AppData\Local\Temp\qvyfov.exe
        "C:\Users\Admin\AppData\Local\Temp\qvyfov.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1624
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://i.imgflip.com/1p7cdj.jpg
        3⤵
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:1904
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffbdc5846f8,0x7ffbdc584708,0x7ffbdc584718
          4⤵
            PID:2184
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2140,336991599916081636,6668810350516431485,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2152 /prefetch:2
            4⤵
              PID:3620
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2140,336991599916081636,6668810350516431485,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2204 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:2688
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2140,336991599916081636,6668810350516431485,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2884 /prefetch:8
              4⤵
                PID:424
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,336991599916081636,6668810350516431485,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3400 /prefetch:1
                4⤵
                  PID:3192
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,336991599916081636,6668810350516431485,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3408 /prefetch:1
                  4⤵
                    PID:5060
                  • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2140,336991599916081636,6668810350516431485,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5200 /prefetch:8
                    4⤵
                      PID:3456
                    • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2140,336991599916081636,6668810350516431485,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5200 /prefetch:8
                      4⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:1184
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,336991599916081636,6668810350516431485,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5272 /prefetch:1
                      4⤵
                        PID:2224
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,336991599916081636,6668810350516431485,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5296 /prefetch:1
                        4⤵
                          PID:620
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,336991599916081636,6668810350516431485,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4136 /prefetch:1
                          4⤵
                            PID:3836
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,336991599916081636,6668810350516431485,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4796 /prefetch:1
                            4⤵
                              PID:968
                          • C:\Users\Admin\AppData\Local\Temp\eymlmh.exe
                            "C:\Users\Admin\AppData\Local\Temp\eymlmh.exe"
                            3⤵
                            • Drops file in Drivers directory
                            • Executes dropped EXE
                            • Suspicious use of AdjustPrivilegeToken
                            PID:2356
                      • C:\Users\Admin\AppData\Roaming\cvtres.exe
                        C:\Users\Admin\AppData\Roaming\cvtres.exe
                        1⤵
                        • Executes dropped EXE
                        PID:448
                      • C:\Users\Admin\AppData\Roaming\cvtres.exe
                        C:\Users\Admin\AppData\Roaming\cvtres.exe
                        1⤵
                        • Executes dropped EXE
                        PID:3320
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:4536
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:2524

                          Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                settings.dat

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                • Size 152B
                                • SHA256 4c0224fb7cc26ccf74f5be586f18401db57cce935c767a446659b828a7b5ee60
                                • MD5 SHA1 SHA512

                                settings.dat

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                • Size 152B
                                • SHA256 3a654b499247e59e34040f3b192a0069e8f3904e2398cbed90e86d981378e8bc
                                • MD5 SHA1 SHA512

                                041c7abd-43fa-40e5-a81a-41817a3eba91.tmp

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\041c7abd-43fa-40e5-a81a-41817a3eba91.tmp
                                • Size 6KB
                                • SHA256 a57be5fb0a74b3b5794549847fdc9122037262a32b390e73bc9fc6e2463ed99a
                                • MD5 SHA1 SHA512 SSDEEP

                                Preferences

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                • Size 6KB
                                • SHA256 f666b7eac252c89b69c412c004b4ee78c719b0182b021e5bff5443996a923440
                                • MD5 SHA1 SHA512 SSDEEP

                                CURRENT

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
                                • Size 16B
                                • SHA256 0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd
                                • MD5 SHA1 SHA512

                                Local State

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                • Size 11KB
                                • SHA256 c97d6a6567246343dd5f1e1f4784b1a31821a6e11ed107461c19db15740463b7
                                • MD5 SHA1 SHA512 SSDEEP

                                eymlmh.exe

                                • Path C:\Users\Admin\AppData\Local\Temp\eymlmh.exe
                                • Size 114KB
                                • SHA256 1bc44eef75779e3ca1eefb8ff5a64807dbc942b1e4a2672d77b9f6928d292591
                                • MD5 SHA1 SHA512 SSDEEP

                                qvyfov.exe

                                • Path C:\Users\Admin\AppData\Local\Temp\qvyfov.exe
                                • Size 84KB
                                • SHA256 ce750c7054359e9e88556d48f7eea341374b74f494caed48251185b54c9ed644
                                • MD5 SHA1 SHA512 SSDEEP

                                cvtres.exe

                                • Path C:\Users\Admin\AppData\Roaming\cvtres.exe
                                • Size 45KB
                                • SHA256 e4dbdbf7888ea96f3f8aa5c4c7f2bcf6e57d724dd8194fe5f35b673c6ef724ea
                                • MD5 SHA1 SHA512 SSDEEP

                                memory/1624-4926-0x00007FFBCB730000-0x00007FFBCC1F1000-memory.dmp

                                memory/1624-4925-0x00007FFBCB730000-0x00007FFBCC1F1000-memory.dmp

                                memory/1624-4924-0x0000000000F90000-0x0000000000FAC000-memory.dmp

                                memory/4732-4953-0x0000000005FE0000-0x0000000005FEA000-memory.dmp

                                memory/4732-4910-0x0000000005370000-0x0000000005380000-memory.dmp

                                memory/4732-4909-0x0000000074530000-0x0000000074CE0000-memory.dmp

                                memory/4732-4894-0x0000000074530000-0x0000000074CE0000-memory.dmp

                                memory/4732-4898-0x0000000005370000-0x0000000005380000-memory.dmp

                                memory/4732-4897-0x00000000050F0000-0x0000000005156000-memory.dmp

                                memory/4732-4896-0x0000000005050000-0x00000000050EC000-memory.dmp

                                memory/4732-4895-0x0000000000400000-0x0000000000418000-memory.dmp

                                memory/5040-26-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-4893-0x0000000074530000-0x0000000074CE0000-memory.dmp

                                memory/5040-40-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-42-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-44-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-46-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-48-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-50-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-52-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-54-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-58-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-60-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-56-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-62-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-64-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-66-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-68-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-3335-0x0000000074530000-0x0000000074CE0000-memory.dmp

                                memory/5040-4887-0x00000000058D0000-0x00000000058D1000-memory.dmp

                                memory/5040-4886-0x0000000005920000-0x0000000005930000-memory.dmp

                                memory/5040-4888-0x0000000007110000-0x0000000007172000-memory.dmp

                                memory/5040-4889-0x0000000006FB0000-0x0000000006FFC000-memory.dmp

                                memory/5040-4890-0x00000000072B0000-0x0000000007304000-memory.dmp

                                memory/5040-38-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-36-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-34-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-32-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-30-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-28-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-0-0x0000000000C60000-0x0000000000EAA000-memory.dmp

                                memory/5040-24-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-22-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-20-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-18-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-16-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-14-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-12-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-10-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-8-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-6-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-5-0x0000000006B60000-0x0000000006D7F000-memory.dmp

                                memory/5040-4-0x0000000006D80000-0x0000000006E12000-memory.dmp

                                memory/5040-3-0x0000000007330000-0x00000000078D4000-memory.dmp

                                memory/5040-2-0x0000000006B60000-0x0000000006D86000-memory.dmp

                                memory/5040-1-0x0000000074530000-0x0000000074CE0000-memory.dmp