Resubmissions

11/09/2024, 01:42

240911-b4r8maxdke 10

10/09/2024, 23:24

240910-3d24pazflp 10

10/09/2024, 23:19

240910-3a9z5a1gjh 10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10/09/2024, 23:19

General

  • Target

    builder.exe

  • Size

    10KB

  • MD5

    4f04f0e1ff050abf6f1696be1e8bb039

  • SHA1

    bebf3088fff4595bfb53aea6af11741946bbd9ce

  • SHA256

    ded51c306ee7e59fa15c42798c80f988f6310ea77ab77de3d12dc01233757cfa

  • SHA512

    94713824b81de323e368fde18679ef8b8f2883378bffd2b7bd2b4e4bd5d48b35c6e71c9f8e9b058ba497db1bd0781807e5b7cecfd540dad611da0986c72b9f12

  • SSDEEP

    96:IJXYAuB2glBLgyOk3LxdjP2rm549JSTuwUYXzP+B1izXTa/HFpff3LG+tzNt:IJXDk7LI4uwtDPC1ijCHffSs

Score
4/10

Malware Config

Signatures

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

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 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:\Users\Admin\AppData\Local\Temp\builder.exe
    "C:\Users\Admin\AppData\Local\Temp\builder.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:1628
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    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:4960
    • 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,0x100,0x104,0xd8,0x108,0x7ff9fa6acc40,0x7ff9fa6acc4c,0x7ff9fa6acc58
      2⤵
        PID:2636
      • 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=1812,i,18246765703897302471,7530682899367860992,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=1808 /prefetch:2
        2⤵
          PID:5028
        • 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=2032,i,18246765703897302471,7530682899367860992,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=2096 /prefetch:3
          2⤵
            PID:4104
          • 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=2200,i,18246765703897302471,7530682899367860992,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=2176 /prefetch:8
            2⤵
              PID:4912
            • 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=3096,i,18246765703897302471,7530682899367860992,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=3204 /prefetch:1
              2⤵
                PID:4712
              • 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=3156,i,18246765703897302471,7530682899367860992,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=3300 /prefetch:1
                2⤵
                  PID:3128
                • 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=3528,i,18246765703897302471,7530682899367860992,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=3784 /prefetch:8
                  2⤵
                    PID:2752
                  • 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=4564,i,18246765703897302471,7530682899367860992,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4436 /prefetch:1
                    2⤵
                      PID:4696
                    • 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=4736,i,18246765703897302471,7530682899367860992,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4748 /prefetch:8
                      2⤵
                        PID:1972
                    • 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:2508
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                        1⤵
                          PID:4700

                        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

                          80ea230de490c91947a1d1e96e38362e

                          SHA1

                          4897b058d810744e373a1b3da5c5fe4f12650f4a

                          SHA256

                          ef73566dc2559e723009938a3815f656522bb7fc4075b236e9b55cd9e2211ed4

                          SHA512

                          983b664635e6818a4e395238c3b4650e15b92994e916e4c62d728e31611842d61bede3034535fe0994a4c8c7c815cc3d2a3f645e132bdb8b2434077e2deeb6a2

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

                          Filesize

                          1KB

                          MD5

                          8c50680baae84783f5af865daaf59d73

                          SHA1

                          d5985ffda63c2b59fcfce57b182a0b394129be62

                          SHA256

                          f9695668caedd68908d878db4b34684c4ee96c703d6867b8db32ea74facb3c59

                          SHA512

                          a00a72f99dd45d0c2826bc5f3e8b75414cee27a68de818ff164452f6e3af4c1f2663ad002bc243c4088f1c941fbab40a8f87df39bb98554577de05f6c03914d9

                        • 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

                          356B

                          MD5

                          b7692fa04ee6427cbeccb817d72e000e

                          SHA1

                          dc633756ed8331eaa3b9418eeb649187520afa71

                          SHA256

                          2048cbcf4b089afbf13286b1d0303c6ddb757313bf58c78f373d498a1086c136

                          SHA512

                          813277c50f15e15b19929604aced62edbd98608710e7f39f750760a6429d0d0ca224f46b7f9199c69bcd51fef2b58e1c0bb7f86a438247be64d6dd47890bf7ee

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

                          Filesize

                          9KB

                          MD5

                          de23849fc93ee8907ba7815c7ec4abe6

                          SHA1

                          6ca55dc644222ccb986bfa6d29513302eca38c2e

                          SHA256

                          934dc031c28dacae85bcf1686bba89be57b34e140253634948b238f38dc5c39d

                          SHA512

                          d39912eaf4f11394974b220e4ff10a4b94f1c5e1b2c0a49880931785e120f26a60336a82369e7228ce4e18d00d4dce40600fce8cd1321283a5806353b9d83d01

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

                          Filesize

                          9KB

                          MD5

                          b20f0fe66c701bf2f8cf3f78e8fed25a

                          SHA1

                          b3868c53461783a6f840ae56ca1150ad6ee8a1bc

                          SHA256

                          413f9a6bb6f6ddb2bb65467781239bcaa75723ed4173d9e9bf68ca6c8e1ad297

                          SHA512

                          bb649f663c1f60d81bf6e5c2ce8cb64d4abe79e9107ce3138e85fd1ecd60fac9cf3aaa98e0eb53d8f4a2249d0525843ddc1ff729b8666d472f1e39c8ae95bc8f

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

                          Filesize

                          9KB

                          MD5

                          781eef5ed39c4502b6bc2ed30aaece9c

                          SHA1

                          3fbcc2daebb227337ac95769b901231d4b884960

                          SHA256

                          dadddb54bb5df83bd421ef17c3aac1671c765d6612c052f24fbc9d43fa2489de

                          SHA512

                          8e6624fc59cec8f1d672fcff0cc7c1583c0c169ce984db84a9abde99c439ff0c472efbb2d12e83b4ce0441c85f62c869a715989e0996f7b2eb35d21d8e68fd78

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

                          Filesize

                          13KB

                          MD5

                          1b8de57cbc24ab8b424165bfe5f94af9

                          SHA1

                          12678e7a5eb931b193956807fcf69eb0ef8ddec4

                          SHA256

                          3cb7d48b4f43128d186445dd62833fd6df9df96b84c2950b4b1b81c94c95d7c0

                          SHA512

                          1f428e7f6cd2addc6c1ec6ce714c8506307da0f6a336d8609e3862aa8fc46df4e38ee762f008c46832e992c2fdc9a9658c1c0bdb5606938678ed58562d9791af

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

                          Filesize

                          207KB

                          MD5

                          9ea9f977c8054dd217aeda2d09d9993e

                          SHA1

                          40d1f8d67b29e8852d76660c3a2b618e0ac3527d

                          SHA256

                          e623a1c1ed3a67a718bb727cfddc6be916824085c7e19d54a0379e8f10159fe8

                          SHA512

                          7661479b7f400343dc970ec8517f0588f594017ae44ef7e5f5d8d34ad13837a434777e10a664672ed5f1c8a747d798163fe6235b3465686f343134e538959b84

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

                          Filesize

                          207KB

                          MD5

                          731fbe36988a28584341bc88b41adc52

                          SHA1

                          12f8ffac4e1432d1f4f55dded24c69cfc0de6ee9

                          SHA256

                          8db7aeba2cf2f1eac0f9211d9c6439aa239c880ceb4c27f2e1a23dc2d092f449

                          SHA512

                          b58243880cc46f0106979f32c62355cde6f155072fed7328db032939f0872710d526a936aa6f78bd41a60f4939cfd4e64d3415a12592a363603f9429ec496d0b

                        • memory/1628-0-0x00000000744AE000-0x00000000744AF000-memory.dmp

                          Filesize

                          4KB

                        • memory/1628-7-0x00000000744A0000-0x0000000074C51000-memory.dmp

                          Filesize

                          7.7MB

                        • memory/1628-6-0x00000000744AE000-0x00000000744AF000-memory.dmp

                          Filesize

                          4KB

                        • memory/1628-5-0x00000000744A0000-0x0000000074C51000-memory.dmp

                          Filesize

                          7.7MB

                        • memory/1628-4-0x0000000004FF0000-0x0000000004FFA000-memory.dmp

                          Filesize

                          40KB

                        • memory/1628-3-0x0000000004F40000-0x0000000004FD2000-memory.dmp

                          Filesize

                          584KB

                        • memory/1628-2-0x0000000005450000-0x00000000059F6000-memory.dmp

                          Filesize

                          5.6MB

                        • memory/1628-1-0x0000000000490000-0x0000000000498000-memory.dmp

                          Filesize

                          32KB