Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/05/2024, 09:08

General

  • Target

    https://cloud.letsignit.com/collect/bc/64a3eca954713a2794aca877?p=15JDtxBwHJpMT1yAQhXryALTLVB5yIdR6qtp7BCJsZxO4kQWpx1lPT-25HNf5J8q7iP0Zn5ZR6oKMW2Ie7s9hVukuWdcRCJoEzlCaBQIIvfc8T82sdV39vMJI3X7e0POkkBzaddh0ePQd9E1AcYPoVAlowWiPuPqt-EKXA6uYd8dRGZNOsLZpir8PhKm1DDpW8zEx8cL93NVdxORij8N2CSJApxltTuwvBH5qSHm1gM=

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 2 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://cloud.letsignit.com/collect/bc/64a3eca954713a2794aca877?p=15JDtxBwHJpMT1yAQhXryALTLVB5yIdR6qtp7BCJsZxO4kQWpx1lPT-25HNf5J8q7iP0Zn5ZR6oKMW2Ie7s9hVukuWdcRCJoEzlCaBQIIvfc8T82sdV39vMJI3X7e0POkkBzaddh0ePQd9E1AcYPoVAlowWiPuPqt-EKXA6uYd8dRGZNOsLZpir8PhKm1DDpW8zEx8cL93NVdxORij8N2CSJApxltTuwvBH5qSHm1gM=
    1⤵
    • 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:3916
    • 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" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=123.0.6312.106 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7fffabc4cc40,0x7fffabc4cc4c,0x7fffabc4cc58
      2⤵
        PID:1656
      • 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=1952,i,10556256608923072861,14597568685355146618,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=1948 /prefetch:2
        2⤵
          PID:2036
        • 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=1916,i,10556256608923072861,14597568685355146618,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=2084 /prefetch:3
          2⤵
            PID:2360
          • 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=1852,i,10556256608923072861,14597568685355146618,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=2452 /prefetch:8
            2⤵
              PID:2756
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --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=3136,i,10556256608923072861,14597568685355146618,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=3164 /prefetch:1
              2⤵
                PID:4480
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --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=3152,i,10556256608923072861,14597568685355146618,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=3336 /prefetch:1
                2⤵
                  PID:4700
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --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=3140,i,10556256608923072861,14597568685355146618,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=4488 /prefetch:1
                  2⤵
                    PID:1080
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --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=3440,i,10556256608923072861,14597568685355146618,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=3336 /prefetch:1
                    2⤵
                      PID:1960
                    • 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=4692,i,10556256608923072861,14597568685355146618,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=3492 /prefetch:8
                      2⤵
                        PID:3984
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --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=10.0.19041.546 --no-appcompat-clear --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=4372,i,10556256608923072861,14597568685355146618,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=1008 /prefetch:8
                        2⤵
                        • Drops file in System32 directory
                        • Suspicious behavior: EnumeratesProcesses
                        PID:4420
                    • C:\Program Files\Google\Chrome\Application\123.0.6312.106\elevation_service.exe
                      "C:\Program Files\Google\Chrome\Application\123.0.6312.106\elevation_service.exe"
                      1⤵
                        PID:3144
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                        1⤵
                          PID:4652

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\318bcbe7-d1ed-4e1f-9b86-f4dbe5335c40.tmp

                          Filesize

                          9KB

                          MD5

                          453ab95611b9919e3177ff19368110c3

                          SHA1

                          faf5aaa22d60e89c2c2018a97004d3104524675c

                          SHA256

                          05bcc5cfb8dd0660fb545affc71da4117862877b86cabc1ca4b9c0cc3d816642

                          SHA512

                          2aa4a09794f14f91eabb4798f9a50c7d2494188760d3f9f5aa36b783c714d5e221e3a90c40a9213d34737b7ad4982a3fa0cdae139031c2edf3b6deb73bfb5f8c

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

                          Filesize

                          649B

                          MD5

                          f1c70cc9cbadefd3ad2c373d79d3c4a3

                          SHA1

                          8511c73e7a557f6c1799c39928b3a8765361783a

                          SHA256

                          b8552b45390f8418abcd644d28889c644cd6a1a9aa656bb99349872898e8cff4

                          SHA512

                          9462872db722d0d362a6955c77872b941b1d8d5ccd3db5c854fb77f7234a65932f9c0803c05fbbd4ad836ece5511749668855241368665231b191c76177faa75

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

                          Filesize

                          120B

                          MD5

                          ef0e4f29d2ecd9c9d996738a5ea79baf

                          SHA1

                          e6b9919cb664ba3b2304133c8d35c8bb655f0596

                          SHA256

                          641eb4c9b0556aebb8f91fd1c9ecb9aa865e8370f5e115a0828a320338d86696

                          SHA512

                          dc5b852ab9f9b1b39bd227dd79d7f724cf184d2ca5f8b012b9733740ed15dbe812aa331ca8c7f29c4aaeeb931101c91ad96ddd2354af45b2179839bdf532cdf4

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

                          Filesize

                          2KB

                          MD5

                          e44e113d4218811668de38da87a6f1e6

                          SHA1

                          61d3e829067e946a23f86e744d67cd8cc4a5d4d0

                          SHA256

                          6cecb7b0348bc277f342f29e2317dfe672f053061dc1aeb55e48529c945180f3

                          SHA512

                          026c5a55e7b17886ac963a1d90233d9efef8b57dbe4f518727f4dca02bf8cbadcc7d60ec58040c43099723ef419370e61a448ead0c5ecbcfd3d35e277599818d

                        • 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\Network\TransportSecurity

                          Filesize

                          859B

                          MD5

                          03acec8da2dea43ac1d81963385bb1a7

                          SHA1

                          53a5d2e6ce4adf420f7a275029f2ae25b39173c2

                          SHA256

                          ccc21c67890c984d6aa1225ff6e68d9e651e52ad0479bd89ebf0db305f0dbffa

                          SHA512

                          823f55c5916294f3b3b5d70c6cdd477947d5f22af2a404bc1f79070f55fa6cceab006b064917fa73cb29f81c9a83a2a848e7286d8e7d0f429e098f07752b6aa7

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

                          Filesize

                          859B

                          MD5

                          14ae1a8709107cf2f22a5c01b72add77

                          SHA1

                          5ef63c6c1ed4633f6e1e5b8ffcff2a567415e28a

                          SHA256

                          9a84a19a0a978d25669786ff9646582e05cbb33937a6c1ce1a134c5d19bb5033

                          SHA512

                          67478a18d5651c65f0bb5c2f1164b78017bb4a022641deeb366d0312dfb81fd231e691f5e0023f0b1d73a129e400fe42f03d615718c5c674d93a4b1634058291

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

                          Filesize

                          9KB

                          MD5

                          15483ef0f19fa80ca1195c887ea3d5d2

                          SHA1

                          d3b0410b171682e4d6890d50cb2e5e0a0c263d89

                          SHA256

                          aa25dd00f5652a96e4ab84b0242dbe1d3126e4abd0d4dbae53b162ab35119ba5

                          SHA512

                          8a50b6ffb37c6500e00213ece8b57d8c998e30061f11f367a5a24c001686c1960541436d1c3986b41068c1add2233b3711b154630f14a5aa71d1f31c5cc3bc3b

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

                          Filesize

                          9KB

                          MD5

                          e96b81c9471f3f3151a69d0c5f2fa413

                          SHA1

                          93bb4dc45f114fa60ddcf16c1dbceffdcb0d8622

                          SHA256

                          2dd170431d64b3428e8757d8ff65fa7f69746683e03b57eede0ef35b5b6d2562

                          SHA512

                          a8702b14c4b1e44c501661b4bae75ac7d9eed0f88f2c431c14230d5670bdc44be4233beb4e2d3feb0b90d09303a551635a026290ea22371544bc53a2a0842881

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

                          Filesize

                          9KB

                          MD5

                          45f6fc2c052a130f87c78c65d3bb5389

                          SHA1

                          42ee95c7a1c0835d9a83d2da962f684e126e85e1

                          SHA256

                          e76d32182971c2a534c887a034f6503b574e300ac8240b0736629fcb9a7200e9

                          SHA512

                          7aecb9049c5c78df613d9a15f8289736c6eaf99157733eb9ec2e52f6e0c650da2fd41bbfcc746148d4531a20e693939a6d0cfbbb01da756f5c7386b5d4835b2d

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

                          Filesize

                          9KB

                          MD5

                          298905a82f01297a41a24031712e0d1b

                          SHA1

                          ced2e1d6a9f9abc584235ff837d93353441c8654

                          SHA256

                          ba2ea64dc2b50c030488c3ab83f36740c77f3ffbdd1f868399d89f1701ba6b79

                          SHA512

                          fbfd7fd3bcbeeb5922ee217976bafceec28412041fd0c6fdf51cc2746416e8f47ba76801a8218721fdefe104ea0547505fec47d93cfa75be166149640e4f91a3

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

                          Filesize

                          77KB

                          MD5

                          75ebe07d9fc5c6f7ed8253f01d103690

                          SHA1

                          c6070a5a8091f80cfb9f21391c1386b946d3c73c

                          SHA256

                          c197c36a4a06af0960239601b08f28ad74c51893676ff7b0f0758f0803990848

                          SHA512

                          064cd29bcfebfb4cd5286c6bd4861e6773e467eb6e6238cd8b3da3207879a05e28703c5db30d63a37e0f0c1b772d3c7a910f7939d3b901da088dbfd2a1ad096d

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

                          Filesize

                          77KB

                          MD5

                          8bfd84a625779c37fc72052d82869538

                          SHA1

                          f6952a93b14da1fa4fc092ad42472ab501af14f9

                          SHA256

                          00be24adf913e8b2a35e10d047a8a2db72d1541eb660a225cddd9b9341280598

                          SHA512

                          8e4c4946f4d4009d0bd9619e4678d201e840f17f8d74e49a3f043816da434de95e79b93c9add3fa38e0ef2976df0984c770ff8567e2b7e8da6642623b6b982f7