Resubmissions

21-06-2024 12:37

240621-ptjematemr 3

21-06-2024 12:08

240621-paxg5sygkd 1

21-06-2024 12:05

240621-n9n5dasgpn 1

21-06-2024 12:05

240621-n9fs1ayfpc 1

21-06-2024 12:05

240621-n87v4asgmq 3

21-06-2024 06:25

240621-g6p4yatfjl 1

13-06-2024 04:58

240613-flzbfaydrn 10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    13-06-2024 04:58

General

  • Target

    Tax Returns of R48_765.js

  • Size

    957KB

  • MD5

    0f597e6821a29bc87b36222f08eff311

  • SHA1

    e7f24cd04de9b92c013d71d3de526461cfb33c91

  • SHA256

    df018cc7e708b47edfe4f39769058ce0ba10a65fe653d3a32412dd504d3f2028

  • SHA512

    693ed1331f7f048789c11bc661949519149c43e3a76b3b600a1990f74763500a6b4a5efb532921bcdb58b27f3a136af9ba63e2e1dce4094fe078076d0073f1a7

  • SSDEEP

    6144:QQ5C90ha3hcY0c5OyZD5i8frkU+uKCbbBGZs3xh527wIy+6Y16vLKdYoiAL1Xl4R:TKF

Score
7/10

Malware Config

Signatures

  • Drops startup file 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • 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 12 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\Tax Returns of R48_765.js"
    1⤵
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    PID:400
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\Tax Returns of R48_765.js"
      2⤵
      • Drops startup file
      PID:1864
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --profile-directory=Default
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3552
    • 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=90.0.4430.212 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=90.0.818.66 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffa499a3cb8,0x7ffa499a3cc8,0x7ffa499a3cd8
      2⤵
        PID:4664
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1900,13561495596375488964,797456159624775203,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1928 /prefetch:2
        2⤵
          PID:2864
        • 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=1900,13561495596375488964,797456159624775203,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2316 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:424
        • 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=1900,13561495596375488964,797456159624775203,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2784 /prefetch:8
          2⤵
            PID:4828
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1900,13561495596375488964,797456159624775203,131072 --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=3384 /prefetch:1
            2⤵
              PID:924
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1900,13561495596375488964,797456159624775203,131072 --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=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3396 /prefetch:1
              2⤵
                PID:2156
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1900,13561495596375488964,797456159624775203,131072 --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=4600 /prefetch:1
                2⤵
                  PID:2800
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1900,13561495596375488964,797456159624775203,131072 --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=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4640 /prefetch:1
                  2⤵
                    PID:2868
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1900,13561495596375488964,797456159624775203,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4304 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:844
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1900,13561495596375488964,797456159624775203,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4544 /prefetch:1
                    2⤵
                      PID:4556
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1900,13561495596375488964,797456159624775203,131072 --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=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4852 /prefetch:1
                      2⤵
                        PID:4232
                      • C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1900,13561495596375488964,797456159624775203,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5380 /prefetch:8
                        2⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:1576
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1900,13561495596375488964,797456159624775203,131072 --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=3492 /prefetch:1
                        2⤵
                          PID:956
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1900,13561495596375488964,797456159624775203,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.22000.1 --gpu-preferences=SAAAAAAAAADoAAAwAAAAAAAAAAAAAAAAAABgAAAQAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1020 /prefetch:2
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:3120
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:3356
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:4112

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

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

                            Filesize

                            152B

                            MD5

                            c1c7e2f451eb3836d23007799bc21d5f

                            SHA1

                            11a25f6055210aa7f99d77346b0d4f1dc123ce79

                            SHA256

                            429a870d582c77c8a661c8cc3f4afa424ed5faf64ce722f51a6a74f66b21c800

                            SHA512

                            2ca40bbbe76488dff4b10cca78a81ecf2e97d75cd65f301da4414d93e08e33f231171d455b0dbf012b2d4735428e835bf3631f678f0ab203383e315da2d23a34

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

                            Filesize

                            152B

                            MD5

                            6876cbd342d4d6b236f44f52c50f780f

                            SHA1

                            a215cf6a499bfb67a3266d211844ec4c82128d83

                            SHA256

                            ca5a6320d94ee74db11e55893a42a52c56c8f067cba35594d507b593d993451e

                            SHA512

                            dff3675753b6b733ffa2da73d28a250a52ab29620935960673d77fe2f90d37a273c8c6afdf87db959bdb49f31b69b41f7aa4febac5bbdd43a9706a4dd9705039

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

                            Filesize

                            5KB

                            MD5

                            b5651f6ac984ef03ea6b25d8adb4f1a5

                            SHA1

                            843b0acc3d9eadf9b0d969aba9201b4fbe4bf38d

                            SHA256

                            e51d68f2e13315545ef7aaaf1b860ee2525c77273946426d9d5948195fc5a137

                            SHA512

                            c2c2bc02dcfcd6fc61144230614843bbe968ca715a48e878dc7de8d21683f372c8b6c4536d6d5cf81d100388644eb1508abf3ace7a35b62faae726a9e36cb360

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

                            Filesize

                            16B

                            MD5

                            46295cac801e5d4857d09837238a6394

                            SHA1

                            44e0fa1b517dbf802b18faf0785eeea6ac51594b

                            SHA256

                            0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

                            SHA512

                            8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

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

                            Filesize

                            16B

                            MD5

                            206702161f94c5cd39fadd03f4014d98

                            SHA1

                            bd8bfc144fb5326d21bd1531523d9fb50e1b600a

                            SHA256

                            1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167

                            SHA512

                            0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145

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

                            Filesize

                            8KB

                            MD5

                            15d6e4f1567d6beea52d929e5d50c815

                            SHA1

                            a8af3893a8aea52e2cd7ed627e0b85e05b5c4df4

                            SHA256

                            459ca419b7e23e6540649fbcfcb2498e1a8b16c255e63d0dba6d8a4cbd02e93e

                            SHA512

                            9a7a35955f005973f5950e9a2b34b625de75e02b9f607fb46fdfd499a4639fdc200e8513301c07b0eb451c3a479050689494e5b7e2226b3f1761e3488ae1c673

                          • C:\Users\Admin\AppData\Roaming\Tax Returns of R48_765.js

                            Filesize

                            957KB

                            MD5

                            0f597e6821a29bc87b36222f08eff311

                            SHA1

                            e7f24cd04de9b92c013d71d3de526461cfb33c91

                            SHA256

                            df018cc7e708b47edfe4f39769058ce0ba10a65fe653d3a32412dd504d3f2028

                            SHA512

                            693ed1331f7f048789c11bc661949519149c43e3a76b3b600a1990f74763500a6b4a5efb532921bcdb58b27f3a136af9ba63e2e1dce4094fe078076d0073f1a7

                          • \??\pipe\LOCAL\crashpad_3552_DBFBBQRNNPLVXROM

                            MD5

                            d41d8cd98f00b204e9800998ecf8427e

                            SHA1

                            da39a3ee5e6b4b0d3255bfef95601890afd80709

                            SHA256

                            e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                            SHA512

                            cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e