Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    11-08-2024 01:06

General

  • Target

    Xwrom/FastColoredTextBox.dll

  • Size

    333KB

  • MD5

    b746707265772b362c0ba18d8d630061

  • SHA1

    4b185e5f68c00bef441adb737d0955646d4e569a

  • SHA256

    3701b19ccdac79b880b197756a972027e2ac609ebed36753bd989367ea4ef519

  • SHA512

    fd67f6c55940509e8060da53693cb5fbac574eb1e79d5bd8f9bbd43edbd05f68d5f73994798a0eed676d3e583e1c6cde608b54c03604b3818520fa18ad19aec8

  • SSDEEP

    6144:4FErOIif3RzSHh+20lXs1TzCeBcQeDbNlz7:eEeR52bmeh0n

Score
4/10

Malware Config

Signatures

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

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\Xwrom\FastColoredTextBox.dll,#1
    1⤵
      PID:1740
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:1532
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --single-argument C:\Users\Admin\Desktop\SaveUnpublish.shtml
        1⤵
        • Drops file in Windows directory
        • Enumerates system info in registry
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:1848
        • 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:4 --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=123.0.6312.123 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffd7592cc40,0x7ffd7592cc4c,0x7ffd7592cc58
          2⤵
            PID:3064
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1968,i,5814790178698287648,4797057301784415630,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=1972 /prefetch:2
            2⤵
              PID:3276
            • 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 --no-appcompat-clear --field-trial-handle=1716,i,5814790178698287648,4797057301784415630,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=2108 /prefetch:3
              2⤵
                PID:3044
              • 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=service --no-appcompat-clear --field-trial-handle=1900,i,5814790178698287648,4797057301784415630,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=2244 /prefetch:8
                2⤵
                  PID:968
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3088,i,5814790178698287648,4797057301784415630,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=3164 /prefetch:1
                  2⤵
                    PID:4424
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3096,i,5814790178698287648,4797057301784415630,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=3396 /prefetch:1
                    2⤵
                      PID:1300
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4208,i,5814790178698287648,4797057301784415630,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=3536 /prefetch:1
                      2⤵
                        PID:4856
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --field-trial-handle=4604,i,5814790178698287648,4797057301784415630,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4568 /prefetch:1
                        2⤵
                          PID:4080
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=4848,i,5814790178698287648,4797057301784415630,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4856 /prefetch:8
                          2⤵
                            PID:2916
                          • 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 --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=3420,i,5814790178698287648,4797057301784415630,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4956 /prefetch:8
                            2⤵
                              PID:1372
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --field-trial-handle=4956,i,5814790178698287648,4797057301784415630,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4372 /prefetch:1
                              2⤵
                                PID:1376
                            • C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
                              "C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
                              1⤵
                                PID:4816
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                                1⤵
                                  PID:1508

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

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

                                  Filesize

                                  649B

                                  MD5

                                  66b8e5a7d35f40aa98bc47f7bfdf83a3

                                  SHA1

                                  d5b4229f7033798a547f4bd9c682d930fc9d910e

                                  SHA256

                                  7de8baf6d644e3ae567b3721e8c0ce6a667d29d30eebe1bf3118f56bfcaca59b

                                  SHA512

                                  511ec29db12c03952a65c23fddc1081356c8909f50036aa985310d62bc2e430e25b1463119991b31e90992ed31d9242a190d85793bcabe0acde63a4985484dfe

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

                                  Filesize

                                  210KB

                                  MD5

                                  48d2860dd3168b6f06a4f27c6791bcaa

                                  SHA1

                                  f5f803efed91cd45a36c3d6acdffaaf0e863bf8c

                                  SHA256

                                  04d7bf7a6586ef00516bdb3f7b96c65e0b9c6b940f4b145121ed00f6116bbb77

                                  SHA512

                                  172da615b5b97a0c17f80ddd8d7406e278cd26afd1eb45a052cde0cb55b92febe49773b1e02cf9e9adca2f34abbaa6d7b83eaad4e08c828ef4bf26f23b95584e

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

                                  Filesize

                                  216B

                                  MD5

                                  5716f6618671043fcb8017e2cff6e946

                                  SHA1

                                  4c92ac24424502f8ca61b0132f883ec50d988884

                                  SHA256

                                  46b7c263067204e5724fa3aab5db3efb2656115e71314671864e0cb93db302f9

                                  SHA512

                                  4848fe20e78911014112ab5eeaeb516fe309057975490e8b9c49186358dbee3135a1a44d6f34b7d6d4fcbb5498ea57b4c589c8cb92c68db5847cdc32edf53447

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\2698f16f-db02-4021-8d30-f6784bb6826d.tmp

                                  Filesize

                                  356B

                                  MD5

                                  b3a135f09b19c996795d5021bdd27959

                                  SHA1

                                  cae889e1f0e9b67cc19443e64f7e3fb4de1ff3bd

                                  SHA256

                                  8d5e2ed542bb03b9d621b93df43fa04f4c470c98706b86625fd9a82d86c4dcde

                                  SHA512

                                  dd7fe6fbb3a94190de5f9e0ec045c7499414df5616c9c527e9e536109b3f72c6c34f2c714a4cab79f4f46b324e10aaad30972978f04b4c77d9919de78519dc75

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

                                  Filesize

                                  2KB

                                  MD5

                                  c9cfbc807d903e584048e574a7e3c772

                                  SHA1

                                  c589514fe7c2a604fad78c2ba162422f9f03e537

                                  SHA256

                                  c89595f2871fdd02beabdbcb66c8d921a10c9dc5d9c2cb10b39dd3c0e5207fc1

                                  SHA512

                                  be0ab95ed6b76ffb6ea27ee43724409c66b6323566c7dc4ad4255feb43084e54a795d2a918eed3cbdc9bdfbafe9df2d2741ecc015ade9f84884f88dd9f17dd02

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

                                  Filesize

                                  2B

                                  MD5

                                  d751713988987e9331980363e24189ce

                                  SHA1

                                  97d170e1550eee4afc0af065b78cda302a97674c

                                  SHA256

                                  4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                                  SHA512

                                  b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

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

                                  Filesize

                                  9KB

                                  MD5

                                  5f339ad28e50809d3da2850bc9de586a

                                  SHA1

                                  6fa576c65e0c4d4b737851c8e023ced345df6a0a

                                  SHA256

                                  67dce9fd2d19e42371c50ec71db763f97299a4cff3f9186251273fafb3f73dd0

                                  SHA512

                                  5d2ae3ae2dc10936bfc3f5b219fdfb83a6fc87e6589ad50f5a61b792f6038945f2d3fd2cd37a36b1c96673b3a1a6f4932282b5c2ad65530d4c68d2cac0ee509a

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

                                  Filesize

                                  9KB

                                  MD5

                                  8963929ec8da6adbed15f8f867259f47

                                  SHA1

                                  51c907f7a5df6ed152b47d7fdfab7085e9d629af

                                  SHA256

                                  4478108865a4829bbff733eaf9649f0c27911ee801f576ff433566e60e51b347

                                  SHA512

                                  cc460252ee153a75ba2d81c0d43fb805be7763b8c3a5c0198c01c3c160142dbc3a1f8f83f71985639b698fdb18690c7c603fe275d6143b28d7400a642e5b133f

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

                                  Filesize

                                  9KB

                                  MD5

                                  b490b2c6906c47311d9f1095618bb505

                                  SHA1

                                  0b6fbd8abb86db00753f61629d9e891106590aee

                                  SHA256

                                  9d259397a10029d1219a762f68cf26d0a0dcb3b1c9e2b044245bca5910319d36

                                  SHA512

                                  1bd67694414b0dcd833f850f3aa09c5f5c31d35b5ea7df4a9ee6bcb39dc60363947ae94ccdc3573c6136f761220a09d7721cacefaf2ee7a938fa53339a4acb42

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

                                  Filesize

                                  9KB

                                  MD5

                                  3f3db4880b5b8ea3c87b69f7a3935de2

                                  SHA1

                                  a417a99e1fd402919ccf3aacf3ec0d90a6e608bc

                                  SHA256

                                  e6779f39331a4d88e02ba0f754a1c25575adaec458d0ba2d33408d038dca27f3

                                  SHA512

                                  018eaf80a590fd47d2bdb0d269ac338fcf4ec827c715cb7e2d3f6e58e31b792003cc62f9edad7afe4c049d4ab9610d227242d6866209403daf6e8bda5107ed47

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

                                  Filesize

                                  9KB

                                  MD5

                                  9b93b30fcff2956795bf161c6f16e5f6

                                  SHA1

                                  74789dd420642d89fdc4bf20be56afb5945a1c63

                                  SHA256

                                  c7ed8a667b93ba77895d8a6ca82a3ba0e31161d244b5a9a5290b384c514d80dc

                                  SHA512

                                  bea7d49b576622b8c2e871c2dd4762e9e9746b559d19e4958fcdeefd8ab258f33f7fc72ce6310d3a69c291e8a6a545c2c2b7494f3416846ca200e8d87af41ec5

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

                                  Filesize

                                  9KB

                                  MD5

                                  9a35c4054c8c35c57da7db142c898214

                                  SHA1

                                  d4f8e794d0b242ffe3ea9ba689d619832654f2d2

                                  SHA256

                                  5deb3e1a59e624d5ee45ce83a9f96e3108b6dfc8636f7b32325a19eccce2f074

                                  SHA512

                                  203b54f7556d67f72a8a984650c4098d90787ceb5e325760a6c0b1ca62bd50668996b5b7db9b8d60add13bdcbc9d204373c79d83a33968f9750576d351182a3c

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

                                  Filesize

                                  15KB

                                  MD5

                                  50d2e8344df5015bdc61023347ab578a

                                  SHA1

                                  dfca065810bce1687e24b739a7ca92aaefb31f2e

                                  SHA256

                                  440ad3b078172ca96dff5350e1b1b10886d3c5778c89edd3c7d4da2a01b7ae67

                                  SHA512

                                  884aa13c3266ac215876419e08c666a1d507052ef769c9049227c0d9e6214e550924749e63332b03fb29aa13c69941a96ebad28d4cbfd6bdf4340a8c8a1750d7

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

                                  Filesize

                                  194KB

                                  MD5

                                  7a026f46a588a1628c57b023491e4122

                                  SHA1

                                  50c1d1489299bff7263b8321971d36f43fb51912

                                  SHA256

                                  27768a8679637ace9a907df7f1a8717a85873cad5a41f010e1105df9d0402ecb

                                  SHA512

                                  24ae5860e934cd4f306f5877d33a50f55593578dcd40515e96075b954bae787973d00fdbb5a99f003a5c143fe6abffa3d0e7c9dab4fe6375a88fe5afeebad4fc

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\db27cfcc-f1c7-4e2f-b86e-dfe3d40c9d0a.tmp

                                  Filesize

                                  194KB

                                  MD5

                                  f1f24c9ced7e82c9409f675ce4610c47

                                  SHA1

                                  bf645f0d773209d40467150ca2caffc3855fd26e

                                  SHA256

                                  081fcd1178efbbf593713070a0d808925f94496d7d3d2467f6669fd510307f98

                                  SHA512

                                  d4f47e7bfefa738f5e7a30b7383a98cc61914c69eb660df9839f73f3d29cd59066ad3433ac2ded5b56e4fa09addb272c217fe335dba92313c77ab6aac1fcd3ec

                                • \??\pipe\crashpad_1848_HHHYYVJLYZOZFHTV

                                  MD5

                                  d41d8cd98f00b204e9800998ecf8427e

                                  SHA1

                                  da39a3ee5e6b4b0d3255bfef95601890afd80709

                                  SHA256

                                  e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                  SHA512

                                  cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e