Resubmissions

30-12-2022 03:53

221230-efty4aab7y 10

29-12-2022 16:16

221229-tqsaksdd99 10

Analysis

  • max time kernel
    97s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-12-2022 16:16

General

  • Target

    fb9ff8cbde506cb2cfdb40e88fe3fd6877a2e9945a71f07c7252647271763e71.exe

  • Size

    840KB

  • MD5

    837fd128d246ccb07647515dd273f4f9

  • SHA1

    8fa22f3f426216aa7f1301d127582aa7434c9d4b

  • SHA256

    fb9ff8cbde506cb2cfdb40e88fe3fd6877a2e9945a71f07c7252647271763e71

  • SHA512

    19f668b337f08ce16e831fe811876edf632d9e5c06b3d311bd9c7057c480fbe3ba2fc1c9d446cba4b755d375dff7bdbcd80224223b79204ce7324de19fd665c1

  • SSDEEP

    12288:UZ/fiJLRc2evo2Ursov0KT4zHsyYgH/PT134slbbHl2qPVGNbTuMuKBD7hpvA/N:JAo/s7HsynTB4ATST0sDdIN

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

et2d

Decoy

wcaconline.com

travelbackpackss.com

ao-m-nishinomiya.com

tilania.com

vegbydesign.net

mybabysisterscloset.com

sanctitude-cuspidated.com

russtybeats.com

dichvubangchuan.com

su-seikatu.info

eratosantorini.com

ninetofivemama.com

delishany.com

pawchamamapet.net

nissicloud.com

strictlyotaku.net

kissmanga.pro

appalachianfx.com

aralending.com

forbrighterlife.com

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Formbook payload 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb9ff8cbde506cb2cfdb40e88fe3fd6877a2e9945a71f07c7252647271763e71.exe
    "C:\Users\Admin\AppData\Local\Temp\fb9ff8cbde506cb2cfdb40e88fe3fd6877a2e9945a71f07c7252647271763e71.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5056
    • C:\Users\Admin\AppData\Local\Temp\fb9ff8cbde506cb2cfdb40e88fe3fd6877a2e9945a71f07c7252647271763e71.exe
      "C:\Users\Admin\AppData\Local\Temp\fb9ff8cbde506cb2cfdb40e88fe3fd6877a2e9945a71f07c7252647271763e71.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2160
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:3060
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of WriteProcessMemory
    PID:2340
    • 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=0x11c,0x120,0x124,0xf8,0x128,0x7ffd72134f50,0x7ffd72134f60,0x7ffd72134f70
      2⤵
        PID:2032
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1656,12766752701317024813,10307903819266528795,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1604 /prefetch:2
        2⤵
          PID:884
        • 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=1656,12766752701317024813,10307903819266528795,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=2024 /prefetch:8
          2⤵
            PID:3316
          • 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=1656,12766752701317024813,10307903819266528795,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2364 /prefetch:8
            2⤵
              PID:492
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1656,12766752701317024813,10307903819266528795,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2936 /prefetch:1
              2⤵
                PID:4952
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1656,12766752701317024813,10307903819266528795,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3132 /prefetch:1
                2⤵
                  PID:3988
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1656,12766752701317024813,10307903819266528795,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3840 /prefetch:1
                  2⤵
                    PID:1120
                  • 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=1656,12766752701317024813,10307903819266528795,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4508 /prefetch:8
                    2⤵
                      PID:3280
                    • 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=1656,12766752701317024813,10307903819266528795,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4540 /prefetch:8
                      2⤵
                        PID:3200
                      • 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=1656,12766752701317024813,10307903819266528795,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4780 /prefetch:8
                        2⤵
                          PID:1856
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1656,12766752701317024813,10307903819266528795,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4660 /prefetch:8
                          2⤵
                            PID:1960
                          • 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=1656,12766752701317024813,10307903819266528795,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4740 /prefetch:8
                            2⤵
                              PID:4032
                            • 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=1656,12766752701317024813,10307903819266528795,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4592 /prefetch:8
                              2⤵
                                PID:4800
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:4916

                              Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

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                              Downloads

                              • memory/2160-139-0x0000000000400000-0x000000000042E000-memory.dmp

                                Filesize

                                184KB

                              • memory/2160-140-0x00000000015E0000-0x000000000192A000-memory.dmp

                                Filesize

                                3.3MB

                              • memory/5056-132-0x00000000008C0000-0x0000000000998000-memory.dmp

                                Filesize

                                864KB

                              • memory/5056-133-0x0000000005410000-0x00000000054AC000-memory.dmp

                                Filesize

                                624KB

                              • memory/5056-134-0x0000000005A60000-0x0000000006004000-memory.dmp

                                Filesize

                                5.6MB

                              • memory/5056-135-0x00000000054B0000-0x0000000005542000-memory.dmp

                                Filesize

                                584KB

                              • memory/5056-136-0x0000000005330000-0x000000000533A000-memory.dmp

                                Filesize

                                40KB

                              • memory/5056-137-0x0000000005640000-0x0000000005696000-memory.dmp

                                Filesize

                                344KB