Resubmissions

27-01-2025 04:05

250127-enyx1szmdx 10

27-01-2025 03:50

250127-ed4qhsyrav 10

Analysis

  • max time kernel
    135s
  • max time network
    617s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    27-01-2025 04:05

General

  • Target

    2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe

  • Size

    3.6MB

  • MD5

    a1a3bd4ee2c15ba4544965f5c5cebd18

  • SHA1

    6a0ea0b1c9beb2db9905d5ffbc84130005d2cf4f

  • SHA256

    32e8d2652212baf105519ae7cac8bc087931fc67bcdcf940b75bd2bcac037627

  • SHA512

    b3364fa32f471efdf3c77f66fa1c9c3161c1fffd82488b62c2a7bd44d0f97651ef419ff7aab80bd69b0ab1b045a90fec48c7fc7dbeab20a3a404ca62204b113d

  • SSDEEP

    98304:yQPoBhz1aRxcSUZk36SAEdhvxWa9P593R8yAVp2HI:yQPe1Cxc7k3ZAEUadzR8yc4HI

Malware Config

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Wannacry family
  • Contacts a large (9958) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Drops file in System32 directory 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    PID:2160
  • C:\Users\Admin\AppData\Local\Temp\2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe
    C:\Users\Admin\AppData\Local\Temp\2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe -m security
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    PID:2772
  • 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 use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2148
    • 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=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef7ad9758,0x7fef7ad9768,0x7fef7ad9778
      2⤵
        PID:1992
      • 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=1164 --field-trial-handle=1240,i,298274996835032484,3185451730510470679,131072 /prefetch:2
        2⤵
          PID:2088
        • 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=1492 --field-trial-handle=1240,i,298274996835032484,3185451730510470679,131072 /prefetch:8
          2⤵
            PID:1584
          • 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=1604 --field-trial-handle=1240,i,298274996835032484,3185451730510470679,131072 /prefetch:8
            2⤵
              PID:2764
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --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=2220 --field-trial-handle=1240,i,298274996835032484,3185451730510470679,131072 /prefetch:1
              2⤵
                PID:1788
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2228 --field-trial-handle=1240,i,298274996835032484,3185451730510470679,131072 /prefetch:1
                2⤵
                  PID:3028
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1572 --field-trial-handle=1240,i,298274996835032484,3185451730510470679,131072 /prefetch:2
                  2⤵
                    PID:3052
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=1320 --field-trial-handle=1240,i,298274996835032484,3185451730510470679,131072 /prefetch:1
                    2⤵
                      PID:1624
                    • 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=3664 --field-trial-handle=1240,i,298274996835032484,3185451730510470679,131072 /prefetch:8
                      2⤵
                        PID:1628
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=3640 --field-trial-handle=1240,i,298274996835032484,3185451730510470679,131072 /prefetch:1
                        2⤵
                          PID:1856
                      • 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:860
                        • C:\Windows\explorer.exe
                          "C:\Windows\explorer.exe"
                          1⤵
                            PID:2024

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000001

                            Filesize

                            215KB

                            MD5

                            7b49e7ed72d5c3ab75ea4aa12182314a

                            SHA1

                            1338fc8f099438e5465615ace45c245450f98c84

                            SHA256

                            747c584047f6a46912d5c5354b6186e04ea24cf61246a89c57077faf96679db6

                            SHA512

                            6edf4594e2b850f3ede5a68738e6482dd6e9a5312bffa61b053312aa383df787641f6747ac91fa71bb80c51ed52a0c23cc911f063cd6e322d9a1210aea64e985

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

                            Filesize

                            1KB

                            MD5

                            cf8920bd7e46434974ccac9b099ef46f

                            SHA1

                            40c9fc9369b1f26972518cdfc472e3544a1f694c

                            SHA256

                            faaa99ae8b5d0ce44e6e91e3b0c8194deb6994342514ecdd63ed921f3a082898

                            SHA512

                            59fc09b506a42713779583f775e579e0b544db192cc9d7a409666a10e9dd95179b99038ac9791e6cdde00b9745cd68752829b1c7e546262dbfec0cae12b146a8

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

                            Filesize

                            1KB

                            MD5

                            56fa681abee8cc8167bbed307ddc2cc2

                            SHA1

                            e046a4c908e9378f80be30e30571a03d210851a2

                            SHA256

                            6d7c9e270c30b4dc86f1420a4af3923706ce4d18aee4e2374e5473a45b9b0001

                            SHA512

                            7021440afd23acb9dc654cf22043c61e4bfa6db618d0f83c2cf205dc241c5f4613b699f27cdd266842c6f5a54ba2e00a1e817e2b1f6af6383f719b92647c9e49

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity

                            Filesize

                            361B

                            MD5

                            cdc94856d3856a54582e92ac75970f70

                            SHA1

                            db561a788189a33d260422ca5a5878db819e83e6

                            SHA256

                            9e9e31727b55d3860a9b74b94d46c7405a3bf86cb41871350e35f70ed3c1d2ec

                            SHA512

                            00dbe7e5b2048f113c3a57672127400aceeb052c6f2d1785307d047d4f6b9b3a53483d5b8ed47afd5af7fd8c3ef259d95580270e8dc1a55910ff04dc5fa8057e

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

                            Filesize

                            5KB

                            MD5

                            7d57bd3851451010bad40c0ba6953fb3

                            SHA1

                            52dc74598f411698d69bd572953a6ecc9e2cd0c3

                            SHA256

                            12d026b8bad77cd6035255db2f83416a84913028a84633d376da274664df55da

                            SHA512

                            f0f7badf3338e445770cca5dba4fc713d2742417a61da6ba0dba32e7f57e99b32f2212eaa7dd80176814c527ddfda9f3e2abbff06da8be0bd41e869fe776422d

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

                            Filesize

                            4KB

                            MD5

                            a0f2f32f821b87da90ed65269cf0035d

                            SHA1

                            b7dabcf62e5b2211adf406e48d712bf8c019f144

                            SHA256

                            f917f24d86dbef5ea8495a3854abcb85a95812255b444d65036eedc09c4ddd8d

                            SHA512

                            29211444f5da4618925c332494c76cfeb3335c6373da77470f16c77553ad5b956c18f745ef068f242b3d40950d426dd37f5f18d3628a7e6aab2611a11d914b81

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\000007.dbtmp

                            Filesize

                            16B

                            MD5

                            18e723571b00fb1694a3bad6c78e4054

                            SHA1

                            afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                            SHA256

                            8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                            SHA512

                            43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

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

                            Filesize

                            264KB

                            MD5

                            f50f89a0a91564d0b8a211f8921aa7de

                            SHA1

                            112403a17dd69d5b9018b8cede023cb3b54eab7d

                            SHA256

                            b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                            SHA512

                            bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58