Analysis

  • max time kernel
    212s
  • max time network
    220s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-04-2023 03:51

General

  • Target

    jre-8u351-windows-x64.exe

  • Size

    84.5MB

  • MD5

    7542ec421a2f6e90751e8b64c22e0542

  • SHA1

    d207d221a28ede5c2c8415f82c555989aa7068ba

  • SHA256

    188ca8ecc44de1b7f602e883c3054dc392792c3631bf362b1bc4f3e1dba323e6

  • SHA512

    8987bf8aa1b401815fa9850e56954db6015bdd06ce78b65ba435724582ffa615dee4e1452fa237c53257dca8ee97b469d01c27757a5f070ce6f807a4f81094bc

  • SSDEEP

    1572864:ugyqUvFZpZDQBTgcJ5pWuqHRAOLut/+EDSSXXfDS2ZVw:ugzUnvDHq5pW1xAwutGEDxXXfGP

Score
10/10

Malware Config

Signatures

  • BazarBackdoor

    Stealthy backdoor targeting corporate networks, believed to be developed by Trickbot's authors.

  • Bazar/Team9 Backdoor payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jre-8u351-windows-x64.exe
    "C:\Users\Admin\AppData\Local\Temp\jre-8u351-windows-x64.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1188
    • C:\Users\Admin\AppData\Local\Temp\jds240562609.tmp\jre-8u351-windows-x64.exe
      "C:\Users\Admin\AppData\Local\Temp\jds240562609.tmp\jre-8u351-windows-x64.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:4604
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4048
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4692
    • 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=0x11c,0x120,0x124,0xf8,0x128,0x7ffb5f349758,0x7ffb5f349768,0x7ffb5f349778
      2⤵
        PID:2236
      • 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=1836 --field-trial-handle=1864,i,8780222716978203715,14788183758135403825,131072 /prefetch:2
        2⤵
          PID:4580
        • 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=2216 --field-trial-handle=1864,i,8780222716978203715,14788183758135403825,131072 /prefetch:8
          2⤵
            PID:4856
          • 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=2212 --field-trial-handle=1864,i,8780222716978203715,14788183758135403825,131072 /prefetch:8
            2⤵
              PID:4188
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3236 --field-trial-handle=1864,i,8780222716978203715,14788183758135403825,131072 /prefetch:1
              2⤵
                PID:1500
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3284 --field-trial-handle=1864,i,8780222716978203715,14788183758135403825,131072 /prefetch:1
                2⤵
                  PID:5084
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4580 --field-trial-handle=1864,i,8780222716978203715,14788183758135403825,131072 /prefetch:1
                  2⤵
                    PID:2576
                  • 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=4752 --field-trial-handle=1864,i,8780222716978203715,14788183758135403825,131072 /prefetch:8
                    2⤵
                      PID:4664
                    • 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=4904 --field-trial-handle=1864,i,8780222716978203715,14788183758135403825,131072 /prefetch:8
                      2⤵
                        PID:4640
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5040 --field-trial-handle=1864,i,8780222716978203715,14788183758135403825,131072 /prefetch:8
                        2⤵
                          PID:1216
                        • 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=5168 --field-trial-handle=1864,i,8780222716978203715,14788183758135403825,131072 /prefetch:8
                          2⤵
                            PID:3672
                          • 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=5104 --field-trial-handle=1864,i,8780222716978203715,14788183758135403825,131072 /prefetch:8
                            2⤵
                              PID:2468
                          • 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:3604

                            Network

                            MITRE ATT&CK Enterprise v6

                            Replay Monitor

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                            Downloads

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json
                              Filesize

                              2B

                              MD5

                              99914b932bd37a50b983c5e7c90ae93b

                              SHA1

                              bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                              SHA256

                              44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                              SHA512

                              27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

                            • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_c510onh0.kxd.ps1
                              Filesize

                              60B

                              MD5

                              d17fe0a3f47be24a6453e9ef58c94641

                              SHA1

                              6ab83620379fc69f80c0242105ddffd7d98d5d9d

                              SHA256

                              96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                              SHA512

                              5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

                            • C:\Users\Admin\AppData\Local\Temp\jds240562609.tmp\jre-8u351-windows-x64.exe
                              Filesize

                              84.1MB

                              MD5

                              dfcfc788d67437530a50177164db42b0

                              SHA1

                              2d9ed0dc5671a358186dcf83abb74bfe39c40e9f

                              SHA256

                              a90318bae7d99da633d9cac8ce322120d087e7b6f5eec0d1d0d7f9413fdd4dc1

                              SHA512

                              dbdfd02528c9f0e506232e8640a8602fade0d05f4139368187300ea2d537e41d2d167655ded30d938bd445a21c776a3c3721f8db4d3f03e3c06807a84cf232e3

                            • C:\Users\Admin\AppData\Local\Temp\jds240562609.tmp\jre-8u351-windows-x64.exe
                              Filesize

                              84.1MB

                              MD5

                              dfcfc788d67437530a50177164db42b0

                              SHA1

                              2d9ed0dc5671a358186dcf83abb74bfe39c40e9f

                              SHA256

                              a90318bae7d99da633d9cac8ce322120d087e7b6f5eec0d1d0d7f9413fdd4dc1

                              SHA512

                              dbdfd02528c9f0e506232e8640a8602fade0d05f4139368187300ea2d537e41d2d167655ded30d938bd445a21c776a3c3721f8db4d3f03e3c06807a84cf232e3

                            • C:\Users\Admin\AppData\Local\Temp\jusched.log
                              Filesize

                              267KB

                              MD5

                              d4225ad1f0bc1101dda508d0d3a570ce

                              SHA1

                              18e031c6b83b85e170f9777cd7d6eea38d7b0c95

                              SHA256

                              37c34dedffc082acd4e812037745304bbe89a3dd0b857bb69503a945889af8df

                              SHA512

                              f90605da5f930b2384ae0c1182a90887e869ee721af7f03b42a21a3d67c158faa2f408b43fdf332ff606c1315effe93fda40fa9b9b043691bc64163fc0ab3c4d

                            • C:\Users\Admin\AppData\Local\Temp\jusched.log
                              Filesize

                              267KB

                              MD5

                              4082ecd27ef1d97f563539cad7a1458f

                              SHA1

                              dcf60bb7087b97850544fba9538a6e7e2d7b2481

                              SHA256

                              eeb1462eb93ac09f6fb4b9a6d691dbf8f80294f7869706715319ed529690aa16

                              SHA512

                              fc2b2e70db7fcf1506c639ca9ad1b3677a4c20da2dcafa13c61ad05c03df3463c262cfbcbc3697f85bc0b253803ae05e77f88b810056469cf35f9ab6c767d632

                            • C:\Users\Admin\AppData\Local\Temp\jusched.log
                              Filesize

                              285KB

                              MD5

                              08d5109ec366269fd42a8085be933d49

                              SHA1

                              1a5a434dca57a41a37b30b6f7e32b55f823c5a4d

                              SHA256

                              cdf176ea70849d1945b1b6f22788f092de09010178cb511b6274d9ae7ac233ba

                              SHA512

                              0473d151dfd40ba670970d457b57f18982f478cb3b86a654bf06406ac5d3acf9244a650ef2ad28b18476fa9d0bba757a49b1cede7d4c2cae53f37b2097f40252

                            • \??\pipe\crashpad_4692_KFBVDCQDHXYMQRYG
                              MD5

                              d41d8cd98f00b204e9800998ecf8427e

                              SHA1

                              da39a3ee5e6b4b0d3255bfef95601890afd80709

                              SHA256

                              e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                              SHA512

                              cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                            • memory/4048-272-0x00000178EC930000-0x00000178EC9A6000-memory.dmp
                              Filesize

                              472KB

                            • memory/4048-269-0x00000178EB650000-0x00000178EB660000-memory.dmp
                              Filesize

                              64KB

                            • memory/4048-270-0x00000178EB650000-0x00000178EB660000-memory.dmp
                              Filesize

                              64KB

                            • memory/4048-271-0x00000178EC860000-0x00000178EC8A4000-memory.dmp
                              Filesize

                              272KB

                            • memory/4048-268-0x00000178EB5A0000-0x00000178EB5C2000-memory.dmp
                              Filesize

                              136KB

                            • memory/4048-274-0x00000178EB650000-0x00000178EB660000-memory.dmp
                              Filesize

                              64KB

                            • memory/4048-275-0x00000178EB650000-0x00000178EB660000-memory.dmp
                              Filesize

                              64KB

                            • memory/4048-276-0x00000178EB650000-0x00000178EB660000-memory.dmp
                              Filesize

                              64KB

                            • memory/4604-253-0x0000023DDC2D0000-0x0000023DDD947000-memory.dmp
                              Filesize

                              22.5MB

                            • memory/4604-244-0x0000023DDC2D0000-0x0000023DDD947000-memory.dmp
                              Filesize

                              22.5MB