Analysis

  • max time kernel
    131s
  • max time network
    179s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • 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
  • Deletes itself 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 4 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 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of SendNotifyMessage 3 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:1072
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1384
      • 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 WriteProcessMemory
        PID:1372
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1372.0.106630737\1870456989" -parentBuildID 20200403170909 -prefsHandle 1168 -prefMapHandle 1160 -prefsLen 1 -prefMapSize 219622 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1372 "\\.\pipe\gecko-crash-server-pipe.1372" 1252 gpu
          4⤵
            PID:112
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1372.3.1755542433\1200676961" -childID 1 -isForBrowser -prefsHandle 1100 -prefMapHandle 1096 -prefsLen 156 -prefMapSize 219622 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1372 "\\.\pipe\gecko-crash-server-pipe.1372" 1648 tab
            4⤵
              PID:1392
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1372.13.1840451812\40416012" -childID 2 -isForBrowser -prefsHandle 2776 -prefMapHandle 2772 -prefsLen 7013 -prefMapSize 219622 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1372 "\\.\pipe\gecko-crash-server-pipe.1372" 2788 tab
              4⤵
                PID:2060
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1372.20.1873517276\1919559531" -childID 3 -isForBrowser -prefsHandle 2044 -prefMapHandle 3620 -prefsLen 7718 -prefMapSize 219622 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1372 "\\.\pipe\gecko-crash-server-pipe.1372" 3660 tab
                4⤵
                  PID:2384
            • 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:2692
              • 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=0xbc,0xc0,0xc4,0x90,0xc8,0x7fef4624f50,0x7fef4624f60,0x7fef4624f70
                3⤵
                  PID:2708
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1060,16196872524419240093,6202565756564436840,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1048 /prefetch:2
                  3⤵
                    PID:2856
                  • 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=1060,16196872524419240093,6202565756564436840,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1456 /prefetch:8
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:2892
                  • 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=1060,16196872524419240093,6202565756564436840,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1636 /prefetch:8
                    3⤵
                      PID:2940
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1060,16196872524419240093,6202565756564436840,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1984 /prefetch:1
                      3⤵
                        PID:3052
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1060,16196872524419240093,6202565756564436840,131072 --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2160 /prefetch:1
                        3⤵
                          PID:2188
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1060,16196872524419240093,6202565756564436840,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2000 /prefetch:1
                          3⤵
                            PID:2088
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1060,16196872524419240093,6202565756564436840,131072 --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=2492 /prefetch:1
                            3⤵
                              PID:2240
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1060,16196872524419240093,6202565756564436840,131072 --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=2696 /prefetch:1
                              3⤵
                                PID:2516
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd.exe" /C taskkill /F /PID 1072 && choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\2d2f33da036cf7945401ec14ae9ff6ca.exe"
                              2⤵
                              • Deletes itself
                              PID:2564
                              • C:\Windows\SysWOW64\taskkill.exe
                                taskkill /F /PID 1072
                                3⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:2868
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd.exe" /C taskkill /F /PID 1072 && choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\2d2f33da036cf7945401ec14ae9ff6ca.exe"
                              2⤵
                                PID:2716
                                • C:\Windows\SysWOW64\taskkill.exe
                                  taskkill /F /PID 1072
                                  3⤵
                                  • Kills process with taskkill
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:2204

                            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

                              3e998b0a5abb0efe40868764df9eb1d7

                              SHA1

                              4bda2600a91c9f7a9c1dd94713634e1a1321d03b

                              SHA256

                              b763e3899cf3d53877b5401b791d4e754bb99be5713bf5e2753319360d40214d

                              SHA512

                              86ac077d2ea8f9d0d507a8b4353a9348d9a1c3b2422906bc982df5d99ff820f968d7cdd7dd0009a35156c2e84e1ff869dcb0ad6d0d38294f3e30c698854ea863

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

                              MD5

                              86f6847d81cbe067e206f02345f10b4e

                              SHA1

                              d2b4d36a705c436011f139e7f145340c5a6d7f19

                              SHA256

                              626bcf589e00830f7f946d189cae3f262318c63c5f136387228f16e4dffccf50

                              SHA512

                              908cc549cff5e9e7b8ea327ab519a47d0bcde7551b6ac5dea82f89d3a62c39d644e015fcbe385e0e07c6c16a74671cfdfcee7cdb7ddd4007c3ce1334ea07f71b

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

                              MD5

                              111a3a74df5d1f55081f5f7909a37d3c

                              SHA1

                              1e5cff714c01272f090e71b44ebaf2933c769e1d

                              SHA256

                              45ffb5e083fd277e0ab43d3fd3b6a69589c36064d023e56e3f250fa59482f4d1

                              SHA512

                              fc04b3b7488c27350c9c45a434c7c2ac7193f876085e7b3e2f7f712beb891b3d19f4c4273c930bab01a22159838466a26cf6a4ea7e2b3e8a547e1978235598d1

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

                              MD5

                              7308e58bf4b9264368e35494e7627965

                              SHA1

                              d221abedd37acc45a9ebbd861106a66aee57e595

                              SHA256

                              ddb3763958a15ad9d6cedfd472daf9528e93ef5214b9dd4472de26a14705aae8

                              SHA512

                              1ed20fad96ae459e82592792038bffdfd4dc009eab84ab8af33ea2f9faed976aacd4937a8b0fec8095b05b02839c96277dccb6c3ca525ce226822d84670e279e

                            • \??\pipe\crashpad_2692_VLHRZMEEYQYPXAKN

                              MD5

                              d41d8cd98f00b204e9800998ecf8427e

                              SHA1

                              da39a3ee5e6b4b0d3255bfef95601890afd80709

                              SHA256

                              e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                              SHA512

                              cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                            • memory/112-71-0x0000000000000000-mapping.dmp

                            • memory/1072-62-0x00000000048E2000-0x00000000048E3000-memory.dmp

                              Filesize

                              4KB

                            • memory/1072-65-0x00000000048E4000-0x00000000048E6000-memory.dmp

                              Filesize

                              8KB

                            • memory/1072-59-0x00000000049F0000-0x0000000004ABF000-memory.dmp

                              Filesize

                              828KB

                            • memory/1072-64-0x0000000001EC0000-0x0000000001ECB000-memory.dmp

                              Filesize

                              44KB

                            • memory/1072-63-0x00000000048E3000-0x00000000048E4000-memory.dmp

                              Filesize

                              4KB

                            • memory/1072-61-0x00000000048E1000-0x00000000048E2000-memory.dmp

                              Filesize

                              4KB

                            • memory/1072-60-0x0000000004920000-0x00000000049ED000-memory.dmp

                              Filesize

                              820KB

                            • memory/1372-67-0x0000000000000000-mapping.dmp

                            • memory/1372-117-0x000007FECB6C0000-0x000007FECB6CA000-memory.dmp

                              Filesize

                              40KB

                            • memory/1372-116-0x000007FEF3FB0000-0x000007FEF40F3000-memory.dmp

                              Filesize

                              1.3MB

                            • memory/1384-66-0x0000000000000000-mapping.dmp

                            • memory/1392-76-0x0000000000000000-mapping.dmp

                            • memory/2060-80-0x0000000000000000-mapping.dmp

                            • memory/2088-100-0x0000000000000000-mapping.dmp

                            • memory/2188-104-0x0000000000000000-mapping.dmp

                            • memory/2204-115-0x0000000000000000-mapping.dmp

                            • memory/2240-106-0x0000000000000000-mapping.dmp

                            • memory/2384-83-0x0000000000000000-mapping.dmp

                            • memory/2564-112-0x0000000000000000-mapping.dmp

                            • memory/2692-85-0x0000000000000000-mapping.dmp

                            • memory/2692-109-0x0000000007480000-0x0000000007481000-memory.dmp

                              Filesize

                              4KB

                            • memory/2708-86-0x0000000000000000-mapping.dmp

                            • memory/2716-113-0x0000000000000000-mapping.dmp

                            • memory/2856-91-0x00000000771B0000-0x00000000771B1000-memory.dmp

                              Filesize

                              4KB

                            • memory/2856-90-0x0000000000000000-mapping.dmp

                            • memory/2868-114-0x0000000000000000-mapping.dmp

                            • memory/2892-92-0x0000000000000000-mapping.dmp

                            • memory/2940-94-0x0000000000000000-mapping.dmp

                            • memory/3052-98-0x0000000000000000-mapping.dmp