Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/08/2024, 07:06

General

  • Target

    http://tachmac.net/

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 2 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 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 9 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://tachmac.net/
    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:3416
    • 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=0xf8,0xfc,0x100,0xd4,0x104,0x7ffcafd9cc40,0x7ffcafd9cc4c,0x7ffcafd9cc58
      2⤵
        PID:4596
      • 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=1912,i,16747234071445075010,7049355322092807500,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=1916 /prefetch:2
        2⤵
          PID:3736
        • 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=2144,i,16747234071445075010,7049355322092807500,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=2176 /prefetch:3
          2⤵
            PID:2628
          • 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=2276,i,16747234071445075010,7049355322092807500,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=2284 /prefetch:8
            2⤵
              PID:668
            • 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=3092,i,16747234071445075010,7049355322092807500,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=3112 /prefetch:1
              2⤵
                PID:1312
              • 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,16747234071445075010,7049355322092807500,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=3320 /prefetch:1
                2⤵
                  PID:2620
                • 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=4440,i,16747234071445075010,7049355322092807500,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4380 /prefetch:1
                  2⤵
                    PID:4796
                  • 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=3540,i,16747234071445075010,7049355322092807500,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=3444 /prefetch:1
                    2⤵
                      PID:404
                    • 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=9 --field-trial-handle=3512,i,16747234071445075010,7049355322092807500,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4476 /prefetch:1
                      2⤵
                        PID:4504
                      • 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=4840,i,16747234071445075010,7049355322092807500,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4848 /prefetch:8
                        2⤵
                          PID:1260
                        • 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=3312,i,16747234071445075010,7049355322092807500,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4656 /prefetch:1
                          2⤵
                            PID:2772
                          • 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=12 --field-trial-handle=5016,i,16747234071445075010,7049355322092807500,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4724 /prefetch:1
                            2⤵
                              PID:4640
                            • 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=13 --field-trial-handle=4852,i,16747234071445075010,7049355322092807500,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4488 /prefetch:1
                              2⤵
                                PID:1960
                              • 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=14 --field-trial-handle=4516,i,16747234071445075010,7049355322092807500,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4916 /prefetch:1
                                2⤵
                                  PID:4260
                                • 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=3496,i,16747234071445075010,7049355322092807500,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=5024 /prefetch:8
                                  2⤵
                                  • Drops file in System32 directory
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:780
                              • 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:3636
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                                  1⤵
                                    PID:3872

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • 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

                                    d9e640de7eb1c0df460c461475907ab2

                                    SHA1

                                    7731fcacc9b66f72734966faca8eabfbf4353940

                                    SHA256

                                    5830e3e30af9d06dea18bbb302dfb32fe21db1dfd86c0bbd2b64c8853a71d884

                                    SHA512

                                    c683ede624956c1fdabed1aafcb5e8f442ea871a4a7af771f1b6517b54febf0c1b9961a0db1d61e7e2deb32d248e50456822b863efc8497c09957ab3449df67b

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

                                    Filesize

                                    8KB

                                    MD5

                                    30c23dc960153740b919450524202130

                                    SHA1

                                    5bb7b3e1174d9171620991b043f39edd4a42ef59

                                    SHA256

                                    037112b5385755e3cb3a4351cb98bcc793685de48234d1e4fa302e49cd1abd81

                                    SHA512

                                    21d56eb3cde0b4748cdf72544901cee64345f9f5c7041b5ca07792e23408a29734d7ba48bdfcafc40faa1b5b1d977526c3517a52d36fd0d67bbb34f89d95a7f6

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

                                    Filesize

                                    9KB

                                    MD5

                                    b6a6fc683245ee5ab7565e00726d256d

                                    SHA1

                                    865a72608b2f7dfda57c4e49012349d3d247d358

                                    SHA256

                                    fbef824f22d5836f577ddf855ae72fab1328792eee628995dc27ab84861a204e

                                    SHA512

                                    643ac499c45a535aaee3a707eec0651f4c467cecbfb0f83439ac5cacdf42ff785df7e2c8c99be5d23a5ecc6196caf7d8ac8a724440e4bab4d0946a656dc58191

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

                                    Filesize

                                    9KB

                                    MD5

                                    6aa82cd846aa3f30b263db4edf1c1a28

                                    SHA1

                                    45cb42a91a6e74e5754df2cde94b1c2ff91905c1

                                    SHA256

                                    3462b98e1cd9d6abce1a7397fe566e6ad7b4b3b18e084d0b2fbc2ac8896896a0

                                    SHA512

                                    a1402720f418af28bb7a78acd89ec323a14ff68a87619162dd76d0e1f9fff7055a89d3a7468f6847d3e4b2c424e4181c35f443cb31dc888b345baede3c3dddbd

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

                                    Filesize

                                    8KB

                                    MD5

                                    96225ddaff2efb3e8b49b2aa447bd115

                                    SHA1

                                    3f596d9ad24f48f8d00583110e405198c992f570

                                    SHA256

                                    5c8e25632b52def64a765c0da19e3dbc8319579516ee8b88177d000ae28ec000

                                    SHA512

                                    8e26cb3beac44908064e629901cba7d020238312c16eea3d93228f084ee2d4455d55db5be08a3f136853ecd678b41ecaf5f237172e7ea716f4879f21fee402ae

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

                                    Filesize

                                    9KB

                                    MD5

                                    882c60c30d37499a6010e0fb0e20bcf9

                                    SHA1

                                    9ae6d7b40128d5cdba6c165c2c8c602453f740b4

                                    SHA256

                                    cb66e411b2438351612429b82c6271509cc42acb331d8bf4385ba480c3f520a5

                                    SHA512

                                    cedbb1b0bc8ffdecaa89069919fc015ba1b2ee7c1e93900e6d775e7432eb97970b8904ff96a2434c0bce004a42208f793c3cbe9c4c6bdfa0ff64b16f02af508e

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

                                    Filesize

                                    9KB

                                    MD5

                                    b37aff8c9090a1d7c3695f1c1fc25c36

                                    SHA1

                                    7931ee32fbc4032cab374c1381c9a628e5cfca06

                                    SHA256

                                    c64930339954b59bf2ef01cded063f94afb252cc400096f8642fc47851185315

                                    SHA512

                                    885abf849bc51336db3ad905558e456e63ac23f5c2cd5a876b0042106bd09085aa69b02071b68a85942800fba0c03cb45b36a8f175543dc83f275679bd43649a

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

                                    Filesize

                                    9KB

                                    MD5

                                    4522c548a61fd325982b4f48d6941757

                                    SHA1

                                    1baa1b3014551f1110a65cf39d4a3ce2b0cdd97b

                                    SHA256

                                    6f5c702b9f58d913c38cd575205493ac5106fa246fd2d645f016d3635279b1d3

                                    SHA512

                                    c7370e936d0d05e285e4a2666ce41de938e366a593f1aa70d164f31cf722023cdc042fa1b6b90d41924a806fdc175f339976920dd006fd8974bae12ba3d162d9

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

                                    Filesize

                                    9KB

                                    MD5

                                    90364a37df86fef6a69042373bbdc74a

                                    SHA1

                                    6e6e236ffb3045c15694cbd4ba81176e7cc3e990

                                    SHA256

                                    ec6ce97bb3be31db90c9bf78c1bdda4b104a665d568ed7c824c002420496b6a6

                                    SHA512

                                    88a51b73c7cfe23d650ea1b707952802158d6b9f9d26217051b28c9464128ecba1b628f20b60bae979aa94ab8c6344b52322febc177a5d243da29a486c37ebcc

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

                                    Filesize

                                    99KB

                                    MD5

                                    f56d297e20337619f07f20806e57cc6f

                                    SHA1

                                    626d0ad14ab9e9ca9141e74086d4d8a055fdd167

                                    SHA256

                                    b97b60f561cf0be6313a3141850b84c2ad2f21f0e48357a34af4eb4f160e48c0

                                    SHA512

                                    1a7b4e4c907895769db21af9189d9242fe656b30bc34e4ed4b5b98f4b103d48c7d23dc30323d8711bca5913eb754a8e70cf5cd94489ac47c1749521faa46c7f6

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

                                    Filesize

                                    99KB

                                    MD5

                                    064c00885d8e42a2f2bc53526035f092

                                    SHA1

                                    8897efd0bc5c837d5d4702b63838915607ea8213

                                    SHA256

                                    9f02bd744219e5521dde55bafd19024e18d737e2720626ec098ddaf844325f18

                                    SHA512

                                    9c21c5bbd9ab7b036fbcacda3bdf4cfd7229188611e42d9b66afa6adea84c52f1d078e4b8adea9792a871ad17b5d5a8a19b87fca88a451d551f0dbbb2f7840e5