Analysis

  • max time kernel
    60s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    26-05-2024 15:28

General

  • Target

    Expensive 3.0.exe

  • Size

    71KB

  • MD5

    4d8c67f116afed39d1a1638d1f60e82c

  • SHA1

    f7bde1231a237cd5bb663c729bee92bbdf20e46d

  • SHA256

    adba1f5dfc1e917467184dcc01cd67fe3e5dfafa5db03c52b4bb7894827fad79

  • SHA512

    9cc32e1dbe32d6f45f0c25782f55e0a62eb0cc78d426834cec9a91f209d2cc72fa7e1dc0995339a227b0f6124ac84602272aa1d71d0dfb6eea11328fe6415364

  • SSDEEP

    1536:FscQuSvo0znd8gyFRN2ibLC+bxGuTMcpoz6G4OufqN:FoPtzn+PNDbLC+bxGuTSF4Oufu

Malware Config

Extracted

Family

xworm

C2

loss-winners.gl.at.ply.gg:61007:1567

Attributes
  • Install_directory

    %AppData%

  • install_file

    Expensive 3.1.exe

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 39 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Expensive 3.0.exe
    "C:\Users\Admin\AppData\Local\Temp\Expensive 3.0.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Expensive 3.0.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2400
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Expensive 3.0.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2648
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Expensive 3.1.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3060
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Expensive 3.1.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2604
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:3004
    • 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 use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:912
      • 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,0x7feef8f9758,0x7feef8f9768,0x7feef8f9778
        2⤵
          PID:2808
        • 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=1144 --field-trial-handle=1376,i,7883867071252733339,11898722784846320747,131072 /prefetch:2
          2⤵
            PID:1552
          • 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=1448 --field-trial-handle=1376,i,7883867071252733339,11898722784846320747,131072 /prefetch:8
            2⤵
              PID:1952
            • 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=1620 --field-trial-handle=1376,i,7883867071252733339,11898722784846320747,131072 /prefetch:8
              2⤵
                PID:532
              • 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=2080 --field-trial-handle=1376,i,7883867071252733339,11898722784846320747,131072 /prefetch:1
                2⤵
                  PID:1848
                • 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=2088 --field-trial-handle=1376,i,7883867071252733339,11898722784846320747,131072 /prefetch:1
                  2⤵
                    PID:2908
                  • 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=1588 --field-trial-handle=1376,i,7883867071252733339,11898722784846320747,131072 /prefetch:2
                    2⤵
                      PID:1632
                    • 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=1332 --field-trial-handle=1376,i,7883867071252733339,11898722784846320747,131072 /prefetch:1
                      2⤵
                        PID:2916
                      • 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=1320 --field-trial-handle=1376,i,7883867071252733339,11898722784846320747,131072 /prefetch:8
                        2⤵
                          PID:2928
                        • 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=3536 --field-trial-handle=1376,i,7883867071252733339,11898722784846320747,131072 /prefetch:8
                          2⤵
                            PID:2944
                          • 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=3696 --field-trial-handle=1376,i,7883867071252733339,11898722784846320747,131072 /prefetch:8
                            2⤵
                              PID:2196
                          • 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:608

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

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                            Downloads

                            • 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

                              5KB

                              MD5

                              4991c1a5c4ea1b460197abdcfa136072

                              SHA1

                              7fa9c7293b900085d6e329f1ed17de898aa87b81

                              SHA256

                              8e501c2ff0437cdcff140a6221b03740e66e42e8c5d22238f13cc886e2f5fa0c

                              SHA512

                              e78881738dfecd56d2260a65f9e26d8a4f865bb040a1cfc6ff315e01b9dbf057c0200557e12c8f1409ac3a8eb461b827617f709120985e24da7b965511598c2a

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

                              Filesize

                              5KB

                              MD5

                              a8550e3f1708b20cedf803ffadf35b3a

                              SHA1

                              f2d2f2e0453d1d8a0488313636e12e39958529e9

                              SHA256

                              58ef9e80f2d9686ca7eb9e19814904cff536b2ecedb0e14674e4c9653eaca157

                              SHA512

                              f1e28285fada5b7591622d9a7ad3e3d79d629e3027a423ad16f2fc5733a8b91663bacb3a5c0e2b2ce18dc0c1676ae1d41639c648167abd2c3e8ffe06ac953cb9

                            • 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\Roaming\Microsoft\Windows\Recent\CustomDestinations\6PDFQLPRSAM2UPJH6R61.temp

                              Filesize

                              7KB

                              MD5

                              6143a7c864efc24b7c155de418f28562

                              SHA1

                              2c2f53de9911a5f9aa30eb6b46286a53ee33d236

                              SHA256

                              dd66e2352ec2a07130af4a04a9bb077d497464d7e6f4bea8d1e02c229c7e3693

                              SHA512

                              11f3012d1062309eeeee52cd9a2a88a1eb433c988d3d2bde736496f737203277ea5075bdd2e406b7f75cf151a4eacd3fe71a3a857864520f4bc43fac26209851

                            • \??\PIPE\srvsvc

                              MD5

                              d41d8cd98f00b204e9800998ecf8427e

                              SHA1

                              da39a3ee5e6b4b0d3255bfef95601890afd80709

                              SHA256

                              e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                              SHA512

                              cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                            • memory/2212-0-0x000007FEF5673000-0x000007FEF5674000-memory.dmp

                              Filesize

                              4KB

                            • memory/2212-28-0x000000001B280000-0x000000001B300000-memory.dmp

                              Filesize

                              512KB

                            • memory/2212-29-0x000007FEF5673000-0x000007FEF5674000-memory.dmp

                              Filesize

                              4KB

                            • memory/2212-86-0x000000001B280000-0x000000001B300000-memory.dmp

                              Filesize

                              512KB

                            • memory/2212-1-0x0000000001150000-0x0000000001168000-memory.dmp

                              Filesize

                              96KB

                            • memory/2400-8-0x0000000002890000-0x0000000002898000-memory.dmp

                              Filesize

                              32KB

                            • memory/2400-7-0x000000001B680000-0x000000001B962000-memory.dmp

                              Filesize

                              2.9MB

                            • memory/2400-6-0x0000000002B70000-0x0000000002BF0000-memory.dmp

                              Filesize

                              512KB

                            • memory/2648-14-0x000000001B510000-0x000000001B7F2000-memory.dmp

                              Filesize

                              2.9MB

                            • memory/2648-15-0x0000000002910000-0x0000000002918000-memory.dmp

                              Filesize

                              32KB