Analysis

  • max time kernel
    61s
  • max time network
    66s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/07/2023, 15:28

General

  • Target

    CraxsRat.exe

  • Size

    41.8MB

  • MD5

    13f7a89150f4d9014cc361333a11fda4

  • SHA1

    9ec23eead82b5407507f954f8246813467d1ee2e

  • SHA256

    4224619bd0192263ebc4fe70e1eef9bd3482ece592b20928680e281d8c58cda6

  • SHA512

    f747ad818a34ae3bdb45e9315b229738384fc72fa95f68826bfafe91771f495a18f07d8f418825fb49a07209bb2f017682035ef3d6db15843a040b908ce06db3

  • SSDEEP

    98304:r7fTTykeqo9xUZJkaOFPL7UcnFjBJvdg+2NVCCvdM2V51:r7fYzU8lF/UcnFjr72vNlHt

Score
5/10

Malware Config

Signatures

  • Detected potential entity reuse from brand microsoft.
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 9 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CraxsRat.exe
    "C:\Users\Admin\AppData\Local\Temp\CraxsRat.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1148
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=CraxsRat.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1900
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffec1a546f8,0x7ffec1a54708,0x7ffec1a54718
        3⤵
          PID:2924
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2120,2784777066735828215,5422069847056496086,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2508 /prefetch:3
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1976
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2120,2784777066735828215,5422069847056496086,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2852 /prefetch:8
          3⤵
            PID:4760
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2120,2784777066735828215,5422069847056496086,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2152 /prefetch:2
            3⤵
              PID:4728
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,2784777066735828215,5422069847056496086,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3312 /prefetch:1
              3⤵
                PID:4328
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,2784777066735828215,5422069847056496086,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3284 /prefetch:1
                3⤵
                  PID:1740
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,2784777066735828215,5422069847056496086,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4984 /prefetch:1
                  3⤵
                    PID:1596
                  • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2120,2784777066735828215,5422069847056496086,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5280 /prefetch:8
                    3⤵
                      PID:1096
                    • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2120,2784777066735828215,5422069847056496086,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5280 /prefetch:8
                      3⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:1708
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,2784777066735828215,5422069847056496086,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5352 /prefetch:1
                      3⤵
                        PID:4824
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,2784777066735828215,5422069847056496086,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4552 /prefetch:1
                        3⤵
                          PID:4612
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,2784777066735828215,5422069847056496086,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3312 /prefetch:1
                          3⤵
                            PID:564
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,2784777066735828215,5422069847056496086,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4980 /prefetch:1
                            3⤵
                              PID:1524
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,2784777066735828215,5422069847056496086,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4580 /prefetch:1
                              3⤵
                                PID:4220
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,2784777066735828215,5422069847056496086,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5124 /prefetch:1
                                3⤵
                                  PID:496
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=CraxsRat.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                2⤵
                                  PID:3248
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffec1a546f8,0x7ffec1a54708,0x7ffec1a54718
                                    3⤵
                                      PID:4208
                                • C:\Windows\System32\CompPkgSrv.exe
                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                  1⤵
                                    PID:3340
                                  • C:\Windows\System32\CompPkgSrv.exe
                                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                                    1⤵
                                      PID:5048

                                    Network

                                    MITRE ATT&CK Enterprise v6

                                    Replay Monitor

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                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                                      Filesize

                                      152B

                                      MD5

                                      3423d7e71b832850019e032730997f69

                                      SHA1

                                      bbc91ba3960fb8f7f2d5a190e6585010675d9061

                                      SHA256

                                      53770e40359b9738d8898520d7e4a57c28498edddbadf76ec4a599837aa0c649

                                      SHA512

                                      03d5fee4152300d6c5e9f72c059955c944c7e6d207e433e9fdd693639e63ea699a01696d7bbf56d2033fd52ad260c9ae36a2c5c888112d81bf7e04a3f273e65d

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                                      Filesize

                                      152B

                                      MD5

                                      3423d7e71b832850019e032730997f69

                                      SHA1

                                      bbc91ba3960fb8f7f2d5a190e6585010675d9061

                                      SHA256

                                      53770e40359b9738d8898520d7e4a57c28498edddbadf76ec4a599837aa0c649

                                      SHA512

                                      03d5fee4152300d6c5e9f72c059955c944c7e6d207e433e9fdd693639e63ea699a01696d7bbf56d2033fd52ad260c9ae36a2c5c888112d81bf7e04a3f273e65d

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

                                      Filesize

                                      312B

                                      MD5

                                      a8e93b967d8851c7ecb56bd1fc0fcdce

                                      SHA1

                                      dceddd19b49191b16b4e0ddedcb047a44a0d70cc

                                      SHA256

                                      ef5c47efd4f746126be5592f6a829d47daebdf7874c0b72864474ecaea49d4a5

                                      SHA512

                                      ea58ec39beb7bbb38b127dbe64744bb31d9553316ea7fe389638a0fb04d4a023c35533cace844ac05c67f18f1089985fd239da4d90b4e7cd9742874031aa430f

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

                                      Filesize

                                      111B

                                      MD5

                                      285252a2f6327d41eab203dc2f402c67

                                      SHA1

                                      acedb7ba5fbc3ce914a8bf386a6f72ca7baa33c6

                                      SHA256

                                      5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026

                                      SHA512

                                      11ce7cb484fee66894e63c31db0d6b7ef66ad0327d4e7e2eb85f3bcc2e836a3a522c68d681e84542e471e54f765e091efe1ee4065641b0299b15613eb32dcc0d

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                                      Filesize

                                      5KB

                                      MD5

                                      a1e8024b25a698f36d0cb83bd9c055a0

                                      SHA1

                                      282c32781fb06d4fa00fb47da6524fb2597465f1

                                      SHA256

                                      ffa04ef06aa863a2441a3a9526f03206e575dadf35f520d3a7d0db6dca6db81d

                                      SHA512

                                      c45333d39a99fdadbdd4c156099e1929c16dfd7401a523415099e56fe7dd79b9a5658f407f638f34d7e8c19d9bb307a780b7c5a2a83a58f4e5db174ade0f6ade

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                                      Filesize

                                      5KB

                                      MD5

                                      b66743be2f88ca0ff38ea8ce6c612196

                                      SHA1

                                      f9fabc1416ab720703d21ac4c9dbce240f276b32

                                      SHA256

                                      b56a754d32e7b6724642496dacd11108a8878224ec014a5b896085aa4096ed89

                                      SHA512

                                      c10cef246be775d84f09bba0c854d7406d2d3d58539544a285ab18c47c9d9e79db8b54ea8d3b83ef1f0462b52eaaa37ab93426029df27584733505ef00c7f498

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                                      Filesize

                                      5KB

                                      MD5

                                      f97cc6a4f15e8d68039551519c09e313

                                      SHA1

                                      745504884f39017f4d8465af3370495e3fba29c8

                                      SHA256

                                      660c9b0b2c14487d26c5d4f8fdbd30caf0cf42575846d993f6f81a1105823017

                                      SHA512

                                      be714c29a55a5ca45374c8deb851ed355811370c35176e60918b7b16c2ea4935b023970f74a785b39a1ce93b660f9bcf26709a62b1696f1ee071e523bb2dadaf

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences

                                      Filesize

                                      24KB

                                      MD5

                                      0e78f9a3ece93ae9434c64ea2bff51dc

                                      SHA1

                                      a0e4c75fe32417fe2df705987df5817326e1b3b9

                                      SHA256

                                      5c8ce4455f2a3e5f36f30e7100f85bdd5e44336a8312278769f89f68b8d60e68

                                      SHA512

                                      9d1686f0b38e3326ad036c8b218b61428204910f586dccf8b62ecbed09190f7664a719a89a6fbc0ecb429aecf5dd0ec06de44be3a1510369e427bde0626fd51d

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity

                                      Filesize

                                      371B

                                      MD5

                                      c5b7b05977dde8165e17ce8763899816

                                      SHA1

                                      2283eb368a74947390dba72040b66688efd38b79

                                      SHA256

                                      3e62c12c1dc1a117b6beae7a4f3a2136a2da7818ddb8f0fe22a0fd7313d48a9a

                                      SHA512

                                      b75dcfd543814bb3bc5b0ac47bda561a7799ab25a7a6eebbe14f80d5e72914a68d9f38a732d9f0312c055458df6fe6f6b4584634e194f8d3eef43286ce7dac0f

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity~RFe583b4f.TMP

                                      Filesize

                                      371B

                                      MD5

                                      3699b7059c666cde591606ab3e298eb6

                                      SHA1

                                      2304af22e74a7b1b1da881ab817347a63963a591

                                      SHA256

                                      1250bb778e21fd09a59132db70c0d8b038e19db06aa868b2333a214450461c98

                                      SHA512

                                      f7c42673955c5c69c3a0dcfba02bb6e555af327af701fda7082fd7f90aab816e0d227d492804b7198814a4e1c3ba21ab110ad24b48cd4bceeb401ebfcd5c458e

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

                                      Filesize

                                      16B

                                      MD5

                                      6752a1d65b201c13b62ea44016eb221f

                                      SHA1

                                      58ecf154d01a62233ed7fb494ace3c3d4ffce08b

                                      SHA256

                                      0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

                                      SHA512

                                      9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                                      Filesize

                                      12KB

                                      MD5

                                      4bceade5c513cf93b81272a253da190b

                                      SHA1

                                      913ab097b1f349a40f8ebd0fa08eabef19b5b597

                                      SHA256

                                      2782a7d7051392374bbc725b62864362be05ab43af90cdf93ada86e2ae7c6804

                                      SHA512

                                      3cf1920922718d44355041b29f4321a3243b313f797ea9e06871d888f4c86f36745c6190865b1be5c7341a0f0a56ec9c3c946168285b63a57b508afde72ea2aa