Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-01-2023 18:16

General

  • Target

    Anydesk.exe

  • Size

    3.9MB

  • MD5

    c30a168ae9c4e3980b7091b3709b1b59

  • SHA1

    2f09434670080fde17283c8a07a493d3ad9aa074

  • SHA256

    8a08c5c435d4504bc57a6ad63b49f8b33d05ba06cf2a73941fde6e3f65988e45

  • SHA512

    777cbd97c84c0ee354f238b09fa5c349c5389f06436d698f0c04e51b4cf30d5f73eb90d32b604de27a5565684be4b98d703f833d1ac27df3a69cb0ef40dfaefb

  • SSDEEP

    98304:4ysHc8EnmSWgex5brdsC0hLR8foTFVnkZxyTZXxH:4ysHH4HnOuCCLRAoHGyTZXxH

Malware Config

Signatures

  • StormKitty

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

  • StormKitty payload 1 IoCs
  • NirSoft WebBrowserPassView 3 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • 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 physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Anydesk.exe
    "C:\Users\Admin\AppData\Local\Temp\Anydesk.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C start %temp%\svchoster.exe /stext "%temp%\Passes.cpp"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1252
      • C:\Users\Admin\AppData\Local\Temp\svchoster.exe
        C:\Users\Admin\AppData\Local\Temp\svchoster.exe /stext "C:\Users\Admin\AppData\Local\Temp\Passes.cpp"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: CmdExeWriteProcessMemorySpam
        • Suspicious behavior: EnumeratesProcesses
        PID:1392
    • C:\Windows\system32\cmd.exe
      "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1448
      • C:\Windows\system32\chcp.com
        chcp 65001
        3⤵
          PID:956
        • C:\Windows\system32\netsh.exe
          netsh wlan show profile
          3⤵
            PID:904
          • C:\Windows\system32\findstr.exe
            findstr All
            3⤵
              PID:1776
        • 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 FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of WriteProcessMemory
          PID:568
          • 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=89.0.4389.114 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef6464f50,0x7fef6464f60,0x7fef6464f70
            2⤵
              PID:1360
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1112,15047133390517406039,11832389993866551871,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1124 /prefetch:2
              2⤵
                PID:1680
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1112,15047133390517406039,11832389993866551871,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1236 /prefetch:8
                2⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:980
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1112,15047133390517406039,11832389993866551871,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1676 /prefetch:8
                2⤵
                  PID:792
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1112,15047133390517406039,11832389993866551871,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2028 /prefetch:1
                  2⤵
                    PID:1864
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1112,15047133390517406039,11832389993866551871,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2040 /prefetch:1
                    2⤵
                      PID:1012
                    • 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 --field-trial-handle=1112,15047133390517406039,11832389993866551871,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2876 /prefetch:8
                      2⤵
                        PID:552
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1112,15047133390517406039,11832389993866551871,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --use-gl=swiftshader-webgl --mojo-platform-channel-handle=3308 /prefetch:2
                        2⤵
                          PID:564
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1112,15047133390517406039,11832389993866551871,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3420 /prefetch:1
                          2⤵
                            PID:316
                          • 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 --field-trial-handle=1112,15047133390517406039,11832389993866551871,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3512 /prefetch:8
                            2⤵
                              PID:1372
                            • 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 --field-trial-handle=1112,15047133390517406039,11832389993866551871,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3760 /prefetch:8
                              2⤵
                                PID:1588
                              • 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 --field-trial-handle=1112,15047133390517406039,11832389993866551871,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3792 /prefetch:8
                                2⤵
                                  PID:1040
                                • 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 --field-trial-handle=1112,15047133390517406039,11832389993866551871,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3960 /prefetch:8
                                  2⤵
                                    PID:2124
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1112,15047133390517406039,11832389993866551871,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3280 /prefetch:8
                                    2⤵
                                      PID:2208
                                    • 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 --field-trial-handle=1112,15047133390517406039,11832389993866551871,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1368 /prefetch:8
                                      2⤵
                                        PID:2460
                                    • C:\Windows\explorer.exe
                                      "C:\Windows\explorer.exe"
                                      1⤵
                                        PID:2252
                                      • C:\Windows\system32\AUDIODG.EXE
                                        C:\Windows\system32\AUDIODG.EXE 0x538
                                        1⤵
                                        • Suspicious use of AdjustPrivilegeToken
                                        PID:2372

                                      Network

                                      MITRE ATT&CK Matrix ATT&CK v6

                                      Defense Evasion

                                      Install Root Certificate

                                      1
                                      T1130

                                      Modify Registry

                                      1
                                      T1112

                                      Credential Access

                                      Credentials in Files

                                      1
                                      T1081

                                      Discovery

                                      System Information Discovery

                                      2
                                      T1082

                                      Query Registry

                                      1
                                      T1012

                                      Collection

                                      Data from Local System

                                      1
                                      T1005

                                      Command and Control

                                      Web Service

                                      1
                                      T1102

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\svchoster.exe
                                        Filesize

                                        391KB

                                        MD5

                                        053778713819beab3df309df472787cd

                                        SHA1

                                        99c7b5827df89b4fafc2b565abed97c58a3c65b8

                                        SHA256

                                        f999357a17e672e87fbed66d14ba2bebd6fb04e058a1aae0f0fdc49a797f58fe

                                        SHA512

                                        35a00001c718e36e956f49879e453f18f5d6c66bbc6a3e1aad6d5dd1109904539b173c3cad0009bc021d4513a67ae0003282f7d14b7aecaa20e59a22c6ad0ddb

                                      • C:\Users\Admin\AppData\Local\Temp\svchoster.exe
                                        Filesize

                                        391KB

                                        MD5

                                        053778713819beab3df309df472787cd

                                        SHA1

                                        99c7b5827df89b4fafc2b565abed97c58a3c65b8

                                        SHA256

                                        f999357a17e672e87fbed66d14ba2bebd6fb04e058a1aae0f0fdc49a797f58fe

                                        SHA512

                                        35a00001c718e36e956f49879e453f18f5d6c66bbc6a3e1aad6d5dd1109904539b173c3cad0009bc021d4513a67ae0003282f7d14b7aecaa20e59a22c6ad0ddb

                                      • \??\pipe\crashpad_568_AUCBZDGOZCMVDQBB
                                        MD5

                                        d41d8cd98f00b204e9800998ecf8427e

                                        SHA1

                                        da39a3ee5e6b4b0d3255bfef95601890afd80709

                                        SHA256

                                        e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                        SHA512

                                        cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                      • memory/904-68-0x000007FEFB591000-0x000007FEFB593000-memory.dmp
                                        Filesize

                                        8KB

                                      • memory/904-66-0x0000000000000000-mapping.dmp
                                      • memory/956-64-0x0000000000000000-mapping.dmp
                                      • memory/1252-59-0x0000000000000000-mapping.dmp
                                      • memory/1392-62-0x0000000000000000-mapping.dmp
                                      • memory/1392-65-0x0000000074AD1000-0x0000000074AD3000-memory.dmp
                                        Filesize

                                        8KB

                                      • memory/1448-60-0x0000000000000000-mapping.dmp
                                      • memory/1652-54-0x0000000000830000-0x0000000000C28000-memory.dmp
                                        Filesize

                                        4.0MB

                                      • memory/1652-58-0x000000001BC10000-0x000000001BE88000-memory.dmp
                                        Filesize

                                        2.5MB

                                      • memory/1652-57-0x0000000000160000-0x000000000017A000-memory.dmp
                                        Filesize

                                        104KB

                                      • memory/1652-56-0x0000000000150000-0x000000000015A000-memory.dmp
                                        Filesize

                                        40KB

                                      • memory/1652-69-0x000000001B4D7000-0x000000001B4F6000-memory.dmp
                                        Filesize

                                        124KB

                                      • memory/1652-70-0x000000001B4D7000-0x000000001B4F6000-memory.dmp
                                        Filesize

                                        124KB

                                      • memory/1652-55-0x000000001B830000-0x000000001BC0C000-memory.dmp
                                        Filesize

                                        3.9MB

                                      • memory/1776-67-0x0000000000000000-mapping.dmp