Analysis

  • max time kernel
    144s
  • max time network
    153s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    10-06-2021 23:13

General

  • Target

    2d2f33da036cf7945401ec14ae9ff6ca.exe

  • Size

    568KB

  • MD5

    2d2f33da036cf7945401ec14ae9ff6ca

  • SHA1

    411a5706daf68e47dd828af8c2616d67420b7a94

  • SHA256

    3d05fee7a89dfce1ad029562fa7b84346bce12d932214cde9b26f266d53ce49c

  • SHA512

    77ef687b29f74735eb652277cbc16b646cd0c14e0b2290eb05a9b5b9556b5f41b0a3c6126dee5be5f53485a35d81d454dac9ba5fe3322378ab3b9f061652feb0

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 5 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Kills process with taskkill 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2d2f33da036cf7945401ec14ae9ff6ca.exe
    "C:\Users\Admin\AppData\Local\Temp\2d2f33da036cf7945401ec14ae9ff6ca.exe"
    1⤵
    • Drops file in Drivers directory
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1440
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3220
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe"
        3⤵
        • Checks processor information in registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1372
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1372.0.1492433872\1320420230" -parentBuildID 20200403170909 -prefsHandle 1488 -prefMapHandle 1480 -prefsLen 1 -prefMapSize 219680 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1372 "\\.\pipe\gecko-crash-server-pipe.1372" 1572 gpu
          4⤵
            PID:2104
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1372.3.1613558633\1253004179" -childID 1 -isForBrowser -prefsHandle 5456 -prefMapHandle 5452 -prefsLen 156 -prefMapSize 219680 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1372 "\\.\pipe\gecko-crash-server-pipe.1372" 5468 tab
            4⤵
              PID:4720
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1372.13.1632934106\1323996685" -childID 2 -isForBrowser -prefsHandle 5256 -prefMapHandle 5424 -prefsLen 1022 -prefMapSize 219680 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1372 "\\.\pipe\gecko-crash-server-pipe.1372" 5296 tab
              4⤵
                PID:4876
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1372.20.914826676\1666593446" -childID 3 -isForBrowser -prefsHandle 4052 -prefMapHandle 4048 -prefsLen 7013 -prefMapSize 219680 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1372 "\\.\pipe\gecko-crash-server-pipe.1372" 4136 tab
                4⤵
                  PID:5112
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe"
              2⤵
              • Enumerates system info in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of FindShellTrayWindow
              PID:4556
              • 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=0xc8,0xcc,0xd0,0x84,0xd4,0x7ff8a64a4f50,0x7ff8a64a4f60,0x7ff8a64a4f70
                3⤵
                  PID:4580
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1548,10748985336983438967,2329767992977540886,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1564 /prefetch:2
                  3⤵
                    PID:4868
                  • 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=1548,10748985336983438967,2329767992977540886,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1772 /prefetch:8
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:4888
                  • 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=1548,10748985336983438967,2329767992977540886,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2268 /prefetch:8
                    3⤵
                      PID:5024
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1548,10748985336983438967,2329767992977540886,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2624 /prefetch:1
                      3⤵
                        PID:3196
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1548,10748985336983438967,2329767992977540886,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2636 /prefetch:1
                        3⤵
                          PID:3156
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1548,10748985336983438967,2329767992977540886,131072 --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=4 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3328 /prefetch:1
                          3⤵
                            PID:4236
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1548,10748985336983438967,2329767992977540886,131072 --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3528 /prefetch:1
                            3⤵
                              PID:4344
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1548,10748985336983438967,2329767992977540886,131072 --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3604 /prefetch:1
                              3⤵
                                PID:4340
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1548,10748985336983438967,2329767992977540886,131072 --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3676 /prefetch:1
                                3⤵
                                  PID:4384
                                • 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=1548,10748985336983438967,2329767992977540886,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5444 /prefetch:8
                                  3⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:1008
                                • C:\Program Files\Google\Chrome\Application\89.0.4389.114\Installer\chrmstp.exe
                                  "C:\Program Files\Google\Chrome\Application\89.0.4389.114\Installer\chrmstp.exe" --configure-user-settings --verbose-logging --system-level --channel --force-configure-user-settings
                                  3⤵
                                    PID:4152
                                    • C:\Program Files\Google\Chrome\Application\89.0.4389.114\Installer\chrmstp.exe
                                      "C:\Program Files\Google\Chrome\Application\89.0.4389.114\Installer\chrmstp.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\Crashpad --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=89.0.4389.114 --initial-client-data=0x23c,0x240,0x244,0x218,0x248,0x7ff73213a890,0x7ff73213a8a0,0x7ff73213a8b0
                                      4⤵
                                        PID:5044
                                    • 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=1548,10748985336983438967,2329767992977540886,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3684 /prefetch:8
                                      3⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:3208
                                    • 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=1548,10748985336983438967,2329767992977540886,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=892 /prefetch:8
                                      3⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:5316
                                    • 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=1548,10748985336983438967,2329767992977540886,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5028 /prefetch:8
                                      3⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:5396
                                    • 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=1548,10748985336983438967,2329767992977540886,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2024 /prefetch:8
                                      3⤵
                                        PID:5564
                                    • C:\Windows\SysWOW64\cmd.exe
                                      "cmd.exe" /C taskkill /F /PID 1440 && choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\2d2f33da036cf7945401ec14ae9ff6ca.exe"
                                      2⤵
                                        PID:1920
                                        • C:\Windows\SysWOW64\taskkill.exe
                                          taskkill /F /PID 1440
                                          3⤵
                                          • Kills process with taskkill
                                          • Suspicious use of AdjustPrivilegeToken
                                          PID:4668
                                      • C:\Windows\SysWOW64\cmd.exe
                                        "cmd.exe" /C taskkill /F /PID 1440 && choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\2d2f33da036cf7945401ec14ae9ff6ca.exe"
                                        2⤵
                                          PID:1680
                                          • C:\Windows\SysWOW64\taskkill.exe
                                            taskkill /F /PID 1440
                                            3⤵
                                            • Kills process with taskkill
                                            • Suspicious use of AdjustPrivilegeToken
                                            PID:4152

                                      Network

                                      MITRE ATT&CK Enterprise v6

                                      Replay Monitor

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                                      Downloads

                                      • C:\Program Files\Google\Chrome\Application\89.0.4389.114\resources.pak

                                        MD5

                                        f821c9373168a40378173f2af19112c2

                                        SHA1

                                        cda76f41b912c5407df424a7e3dc9741bc6e1bc5

                                        SHA256

                                        795e05d1b80a0991927a178e1220dc22d3e0b33223fb197a4b205cb7762a3405

                                        SHA512

                                        359491708e03d5e8a9b60ce1df6abc363174af8e173bf605fdb524704c819aac03a9071ec34f3ce685669e1b6a3461ed9af436eddc60e884b9ee118fa5ea7581

                                      • C:\Program Files\Mozilla Firefox\omni.ja

                                        MD5

                                        519144c818963ea5fc2ab482dbf1ea0b

                                        SHA1

                                        00cd5dd55eee91ded3e4e17c8fd3dbac963cf556

                                        SHA256

                                        9abf505903203c5673e976b6cf4edd62fb6d8f83f93b1a1b1c9961f1528aa8f9

                                        SHA512

                                        6c2c5883b0096f27a0dc2f9848d8a7b6b5bbdf7ef03c6d636820d1e6a7440bbf90fb3dcd18c5e6b039c336dd51536766ba28f00960f32d63469d8c678d98a7a1

                                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad\settings.dat

                                        MD5

                                        3621eda26da95a4142955f56c5c385d0

                                        SHA1

                                        e597ead68d1ca0171ee532c6ca6e157c8ddea06a

                                        SHA256

                                        e3d07ea541c32c7f419079ed9fc753dcc6452593419a179534bfc60f21d9305f

                                        SHA512

                                        1c8c5aca4e2021ead5016361586ebd5e1a92f039996faa43fc3b88f5aae03d152052df3b92c63f8939c3d709c6dea79d1aaa6f988b646527ed0bba0cd6c0bf4a

                                      • C:\Windows\system32\drivers\etc\hosts

                                        MD5

                                        7308e58bf4b9264368e35494e7627965

                                        SHA1

                                        d221abedd37acc45a9ebbd861106a66aee57e595

                                        SHA256

                                        ddb3763958a15ad9d6cedfd472daf9528e93ef5214b9dd4472de26a14705aae8

                                        SHA512

                                        1ed20fad96ae459e82592792038bffdfd4dc009eab84ab8af33ea2f9faed976aacd4937a8b0fec8095b05b02839c96277dccb6c3ca525ce226822d84670e279e

                                      • \??\pipe\crashpad_4556_LATUVRIPYQAJQHGR

                                        MD5

                                        d41d8cd98f00b204e9800998ecf8427e

                                        SHA1

                                        da39a3ee5e6b4b0d3255bfef95601890afd80709

                                        SHA256

                                        e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                        SHA512

                                        cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                      • memory/1008-208-0x0000000000000000-mapping.dmp

                                      • memory/1372-123-0x0000000000000000-mapping.dmp

                                      • memory/1440-120-0x00000000052D0000-0x00000000052DB000-memory.dmp

                                        Filesize

                                        44KB

                                      • memory/1440-118-0x0000000004B93000-0x0000000004B94000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1440-121-0x0000000004B94000-0x0000000004B96000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1440-115-0x0000000004D50000-0x0000000004D51000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1440-114-0x0000000004C80000-0x0000000004D4F000-memory.dmp

                                        Filesize

                                        828KB

                                      • memory/1440-117-0x0000000004B92000-0x0000000004B93000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1440-119-0x0000000004BA0000-0x0000000004C6D000-memory.dmp

                                        Filesize

                                        820KB

                                      • memory/1440-116-0x0000000004B90000-0x0000000004B91000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1680-166-0x0000000000000000-mapping.dmp

                                      • memory/1920-163-0x0000000000000000-mapping.dmp

                                      • memory/2104-126-0x0000000000000000-mapping.dmp

                                      • memory/3156-165-0x0000000000000000-mapping.dmp

                                      • memory/3196-157-0x0000000000000000-mapping.dmp

                                      • memory/3208-211-0x0000000000000000-mapping.dmp

                                      • memory/3220-122-0x0000000000000000-mapping.dmp

                                      • memory/4152-195-0x0000000000000000-mapping.dmp

                                      • memory/4152-209-0x0000000000000000-mapping.dmp

                                      • memory/4236-172-0x0000000000000000-mapping.dmp

                                      • memory/4340-181-0x0000000000000000-mapping.dmp

                                      • memory/4344-176-0x0000000000000000-mapping.dmp

                                      • memory/4384-187-0x0000000000000000-mapping.dmp

                                      • memory/4556-137-0x0000000000000000-mapping.dmp

                                      • memory/4580-140-0x0000000000000000-mapping.dmp

                                      • memory/4668-194-0x0000000000000000-mapping.dmp

                                      • memory/4720-131-0x0000000000000000-mapping.dmp

                                      • memory/4868-146-0x0000000000000000-mapping.dmp

                                      • memory/4868-150-0x00007FF8C04D0000-0x00007FF8C04D1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4876-134-0x0000000000000000-mapping.dmp

                                      • memory/4888-147-0x0000000000000000-mapping.dmp

                                      • memory/5024-153-0x0000000000000000-mapping.dmp

                                      • memory/5044-210-0x0000000000000000-mapping.dmp

                                      • memory/5112-136-0x0000000000000000-mapping.dmp

                                      • memory/5316-212-0x0000000000000000-mapping.dmp

                                      • memory/5396-213-0x0000000000000000-mapping.dmp

                                      • memory/5564-214-0x0000000000000000-mapping.dmp