Analysis

  • max time kernel
    253s
  • max time network
    207s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-04-2024 01:33

General

  • Target

    undtct.dll

  • Size

    1015KB

  • MD5

    3e9e02ce2b577d62b35c34aa6ec027e2

  • SHA1

    9c464e6edc2e6a4bc17d28a68d5217a134b8f368

  • SHA256

    2c81fcf3f79f98c78963da78d234dcf6dd36c9503438121d384b39edb0ca272b

  • SHA512

    7eb9a3580ce664e78ccf89130581de6e5e816337f4953b192038baafd7ad163a096250aa2f93f4dab68dfec0e25987845777f70d37afd37bab73e793e680f68c

  • SSDEEP

    12288:Cab/0Xn458xRrPzrUBHK5fhgxFmXEP2f7K46TnSEl1yt6zzng0LNU5w37A6Dv:ClXn458xRrPztgxoGRNU5w37J

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 27 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\undtct.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2724
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\undtct.dll,#1
      2⤵
        PID:4932
    • 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 behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3944
      • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ff8f601ab58,0x7ff8f601ab68,0x7ff8f601ab78
        2⤵
          PID:4336
        • 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=1652 --field-trial-handle=1848,i,5962206645094530429,16871773963435801060,131072 /prefetch:2
          2⤵
            PID:4108
          • 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=2188 --field-trial-handle=1848,i,5962206645094530429,16871773963435801060,131072 /prefetch:8
            2⤵
              PID:2372
            • 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=2240 --field-trial-handle=1848,i,5962206645094530429,16871773963435801060,131072 /prefetch:8
              2⤵
                PID:3364
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --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=3024 --field-trial-handle=1848,i,5962206645094530429,16871773963435801060,131072 /prefetch:1
                2⤵
                  PID:2548
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3056 --field-trial-handle=1848,i,5962206645094530429,16871773963435801060,131072 /prefetch:1
                  2⤵
                    PID:4740
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4000 --field-trial-handle=1848,i,5962206645094530429,16871773963435801060,131072 /prefetch:1
                    2⤵
                      PID:2656
                    • 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=4152 --field-trial-handle=1848,i,5962206645094530429,16871773963435801060,131072 /prefetch:8
                      2⤵
                        PID:3056
                      • 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=4520 --field-trial-handle=1848,i,5962206645094530429,16871773963435801060,131072 /prefetch:8
                        2⤵
                          PID:3048
                        • 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=4672 --field-trial-handle=1848,i,5962206645094530429,16871773963435801060,131072 /prefetch:8
                          2⤵
                            PID:4008
                          • 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=4668 --field-trial-handle=1848,i,5962206645094530429,16871773963435801060,131072 /prefetch:8
                            2⤵
                              PID:640
                          • 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:3592

                            Network

                            MITRE ATT&CK Matrix ATT&CK v13

                            Discovery

                            Query Registry

                            1
                            T1012

                            System Information Discovery

                            1
                            T1082

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                              Filesize

                              1KB

                              MD5

                              75a80c1945fe70149c4ee2dee64781c6

                              SHA1

                              73803cf3e492c25aafda1eb8e4ac2a2e23915d9f

                              SHA256

                              3032be4cff621276dafcd12fcdcfddee71ceea733bacd1afecbc23208ee4a6f4

                              SHA512

                              2a054b74d2cf506a6c5df3265b5a010bb4aa148a7991d9461435aefb14c196cd07900bfc0e1140f827eac75452699fec231f42643930508a0b69bb87f4b01b51

                            • 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

                              ede82245774a0f4566b50af0668965eb

                              SHA1

                              36a1219e95989bd5ed541ed88db9923a198c429f

                              SHA256

                              3542591313d0e10a45761ba82b7d1cf0005e190d435f6e52ec631a8b56f0e044

                              SHA512

                              0dcccb8a6d16f89e7cc09a5be228cd541310ee553cdf14602a4d3b33bce11a84c17ac86e480fa8ebba84785d7a29c44ed1c5bcc3a120c50515c338d9354cb20f

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

                              6KB

                              MD5

                              33fd8a5a29373585f6751a4d6ebcb2ed

                              SHA1

                              14768c73af4ee75728e1233a1db197443afed1f6

                              SHA256

                              ba147d9a4ac8fff48306cc6607d689edff94a0a4bd7c8f820e9f299e3f0d19f2

                              SHA512

                              4558cba8188601129a895c9e2c6e28ab58b2e1da5cb40476cd3bb1edf9daa0ebd0b92bc6840769fffd40ddb001a993290d6096b615bd2451ea2a9957435c2c50

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

                              250KB

                              MD5

                              ab2c7829d15979a59cfa7c1f0a968a36

                              SHA1

                              33fce712b75b4e52b543d4aaf639000c0093e36a

                              SHA256

                              1933de06a6f2c567e9c7cc46b665ff3c3f940b3a8241b21b32cf9134f6c8e120

                              SHA512

                              9d81f58c77e91193e03518019124a97937f1758bc547c428dc4dfed994c089630715bd58b999e8d26034a854d4ecc4d43b3a5c4ab3eda6066004ae0475a2239f

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\ShaderCache\data_1
                              Filesize

                              264KB

                              MD5

                              f50f89a0a91564d0b8a211f8921aa7de

                              SHA1

                              112403a17dd69d5b9018b8cede023cb3b54eab7d

                              SHA256

                              b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                              SHA512

                              bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                            • \??\pipe\crashpad_3944_RZEMPOCPYLWLAQDH
                              MD5

                              d41d8cd98f00b204e9800998ecf8427e

                              SHA1

                              da39a3ee5e6b4b0d3255bfef95601890afd80709

                              SHA256

                              e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                              SHA512

                              cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e