Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/06/2024, 02:22

General

  • Target

    2024-06-24_895d2548cce7163a577383cc2f27d5e7_ryuk.exe

  • Size

    4.0MB

  • MD5

    895d2548cce7163a577383cc2f27d5e7

  • SHA1

    71c8a1e820120112a870ede8d4e04f533078af65

  • SHA256

    2a46bd91e3e51a918ed220c56ae1192db45f9944074280cd5d022f8b5ac852cd

  • SHA512

    32d4734efb00cacc9a462e4fb926113483cef14bcdc821a0b58f9702b23b557682746e92d7135409a04890ebb2ecc7455ff7440f7542d2de1f3ba6a84090da89

  • SSDEEP

    49152:bRUe99+g7C1zqHd+RlxvzPEWvBzj3TvIIoQDk4qi4A2uVoj0I1v5ghsw7Ozx+olv:Cp/z8yBzjzxUzk6xkhZW

Score
7/10

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-24_895d2548cce7163a577383cc2f27d5e7_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-24_895d2548cce7163a577383cc2f27d5e7_ryuk.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3728
    • C:\Users\Admin\AppData\Local\Temp\2024-06-24_895d2548cce7163a577383cc2f27d5e7_ryuk.exe
      C:\Users\Admin\AppData\Local\Temp\2024-06-24_895d2548cce7163a577383cc2f27d5e7_ryuk.exe --type=crashpad-handler /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=124.0.6367.78 --initial-client-data=0x268,0x26c,0x270,0x244,0x274,0x7ff6e6de96b8,0x7ff6e6de96c4,0x7ff6e6de96d0
      2⤵
        PID:1492
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --force-first-run
        2⤵
        • 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 WriteProcessMemory
        PID:1904
        • 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:7 --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=110.0.5481.104 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ff8bee1ab58,0x7ff8bee1ab68,0x7ff8bee1ab78
          3⤵
            PID:3296
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1632 --field-trial-handle=1892,i,11800489377943575944,3832314783066338074,131072 /prefetch:2
            3⤵
              PID:3956
            • 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 --mojo-platform-channel-handle=2136 --field-trial-handle=1892,i,11800489377943575944,3832314783066338074,131072 /prefetch:8
              3⤵
                PID:4284
              • 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 --mojo-platform-channel-handle=2260 --field-trial-handle=1892,i,11800489377943575944,3832314783066338074,131072 /prefetch:8
                3⤵
                  PID:1196
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3056 --field-trial-handle=1892,i,11800489377943575944,3832314783066338074,131072 /prefetch:1
                  3⤵
                    PID:4924
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3076 --field-trial-handle=1892,i,11800489377943575944,3832314783066338074,131072 /prefetch:1
                    3⤵
                      PID:4544
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=3608 --field-trial-handle=1892,i,11800489377943575944,3832314783066338074,131072 /prefetch:1
                      3⤵
                        PID:4316
                      • 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 --mojo-platform-channel-handle=4468 --field-trial-handle=1892,i,11800489377943575944,3832314783066338074,131072 /prefetch:8
                        3⤵
                          PID:1704
                        • 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 --mojo-platform-channel-handle=4612 --field-trial-handle=1892,i,11800489377943575944,3832314783066338074,131072 /prefetch:8
                          3⤵
                            PID:1708
                          • 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 --mojo-platform-channel-handle=4640 --field-trial-handle=1892,i,11800489377943575944,3832314783066338074,131072 /prefetch:8
                            3⤵
                              PID:4976
                            • C:\Program Files\Google\Chrome\Application\110.0.5481.104\Installer\chrmstp.exe
                              "C:\Program Files\Google\Chrome\Application\110.0.5481.104\Installer\chrmstp.exe" --configure-user-settings --verbose-logging --system-level --force-configure-user-settings
                              3⤵
                                PID:4016
                                • C:\Program Files\Google\Chrome\Application\110.0.5481.104\Installer\chrmstp.exe
                                  "C:\Program Files\Google\Chrome\Application\110.0.5481.104\Installer\chrmstp.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\Crashpad --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=110.0.5481.104 --initial-client-data=0x238,0x23c,0x240,0x214,0x244,0x7ff7acdbae48,0x7ff7acdbae58,0x7ff7acdbae68
                                  4⤵
                                    PID:4648
                                  • C:\Program Files\Google\Chrome\Application\110.0.5481.104\Installer\chrmstp.exe
                                    "C:\Program Files\Google\Chrome\Application\110.0.5481.104\Installer\chrmstp.exe" --system-level --verbose-logging --installerdata="C:\Program Files\Google\Chrome\Application\master_preferences" --create-shortcuts=1 --install-level=0
                                    4⤵
                                    • Modifies registry class
                                    • Suspicious use of FindShellTrayWindow
                                    PID:4700
                                    • C:\Program Files\Google\Chrome\Application\110.0.5481.104\Installer\chrmstp.exe
                                      "C:\Program Files\Google\Chrome\Application\110.0.5481.104\Installer\chrmstp.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\Crashpad --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=110.0.5481.104 --initial-client-data=0x238,0x23c,0x240,0x224,0x244,0x7ff7acdbae48,0x7ff7acdbae58,0x7ff7acdbae68
                                      5⤵
                                        PID:1356
                                  • 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 --mojo-platform-channel-handle=4680 --field-trial-handle=1892,i,11800489377943575944,3832314783066338074,131072 /prefetch:8
                                    3⤵
                                      PID:3764
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4888 --field-trial-handle=1892,i,11800489377943575944,3832314783066338074,131072 /prefetch:8
                                      3⤵
                                        PID:5228
                                      • 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 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=992 --field-trial-handle=1892,i,11800489377943575944,3832314783066338074,131072 /prefetch:2
                                        3⤵
                                        • Suspicious behavior: EnumeratesProcesses
                                        PID:5212
                                  • C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe
                                    "C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"
                                    1⤵
                                      PID:1316
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4380,i,18320353784098040629,17273168055569331828,262144 --variations-seed-version --mojo-platform-channel-handle=4368 /prefetch:8
                                      1⤵
                                        PID:5340

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • C:\Program Files\Google\Chrome\Application\SetupMetrics\46f325a7-92d8-4d90-b62c-9f98da9ab140.tmp

                                        Filesize

                                        488B

                                        MD5

                                        6d971ce11af4a6a93a4311841da1a178

                                        SHA1

                                        cbfdbc9b184f340cbad764abc4d8a31b9c250176

                                        SHA256

                                        338ddefb963d5042cae01de7b87ac40f4d78d1bfa2014ff774036f4bc7486783

                                        SHA512

                                        c58b59b9677f70a5bb5efd0ecbf59d2ac21cbc52e661980241d3be33663825e2a7a77adafbcec195e1d9d89d05b9ccb5e5be1a201f92cb1c1f54c258af16e29f

                                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad\settings.dat

                                        Filesize

                                        40B

                                        MD5

                                        64d7569e7e9cd59b61724e5ca8024d2b

                                        SHA1

                                        7e567c8f3a278f528fd7d85d462cce4e56bb8e79

                                        SHA256

                                        8adde9c0e5b89d0b9041d73f1c9ef531e668cdc1d020e7625e45f7063569ab1c

                                        SHA512

                                        b4425d6dea07aaa95039db3491ace66ff0e4e64232309b2c7dfe29200823454c3f91391db09b01b83edeb298dd3a9ff1dd0198c13230763553160e5a2607efb2

                                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Google Profile.ico

                                        Filesize

                                        193KB

                                        MD5

                                        ef36a84ad2bc23f79d171c604b56de29

                                        SHA1

                                        38d6569cd30d096140e752db5d98d53cf304a8fc

                                        SHA256

                                        e9eecf02f444877e789d64c2290d6922bd42e2f2fe9c91a1381959acd3292831

                                        SHA512

                                        dbb28281f8fa86d9084a0c3b3cdb6007c68aa038d8c28fe9b69ac0c1be6dc2141ca1b2d6a444821e25ace8e92fb35c37c89f8bce5fee33d6937e48b2759fa8be

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

                                        Filesize

                                        1KB

                                        MD5

                                        d805e8522cbc5e56dac7473694430bb1

                                        SHA1

                                        630a092d54724e3577d197c6950e4cf4b76a3940

                                        SHA256

                                        3160009053a99e04b32f30e5839ea0cd94fa29e76638f1c290887e36121ff25a

                                        SHA512

                                        0a696cc3a95d2f29fba37359dd68f3e4c36ea7972a798cbc152381010a8de5b3d7c555cac0e77e683702c5d167c53768a0719bf7c1b1c2a190c1be21b4eb3d10

                                      • 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

                                        79e49942d3af977b131ba0af326bf988

                                        SHA1

                                        f5e9d9448185b04b5c895230ebfe1a19ed02c65f

                                        SHA256

                                        4b650cc79a32002df1ecf00b2e2a60babedfbf2ce4ea9bea2c614b632ef6d6e1

                                        SHA512

                                        aba42558f0a7a0045377cd06b833e54ffae95ba691892084b8d22e73b171695bb6ed7e528a25392773106cc288fd39a5a579c6f51b6a16d5cd34fa8cad8e67a5

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

                                        Filesize

                                        5KB

                                        MD5

                                        a38ac60fba41b2061531cf27ebbb7413

                                        SHA1

                                        c0493188196b218cb11c3425108c7fd24345abf6

                                        SHA256

                                        ff8aaebc6b9d5cbdbac24fa7f7ee5133b7b4f31489cce4c199dc624d8a61276c

                                        SHA512

                                        63f498957f3da985fbf9253295c5815927217834cfd4b108853c7636a48e049829b409067ffd6a9625e78bbd1be7ba0e5004147f2e618cb1022d91bd75b6a76d

                                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences~RFe57fe46.TMP

                                        Filesize

                                        2KB

                                        MD5

                                        a361d3291546212f08156eae58b34e1a

                                        SHA1

                                        89d7162134759edc4109797677471c64824c4130

                                        SHA256

                                        c94bf51d6a92796deea251ef7bc1c0bad2f1fa49fd8a4f62d6800ba729d275b6

                                        SHA512

                                        1100cf4de624cb6e3030e83629e5574da48e5d498f1ee3508f4b342b3f020a40a58ed7e83db413dda0036f15b81c8945f9491ae351647c579362b09f2654c18f

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

                                        Filesize

                                        16KB

                                        MD5

                                        1af1707bdff83a21008f225d35403b38

                                        SHA1

                                        0d1f9494d48c75f1145ea275e29693ef62f9949a

                                        SHA256

                                        cfe8f106a420993d561cbdaaf60566eb1883601e8ce5874564855c115f237d47

                                        SHA512

                                        48c8e349e25b2b331628c7fe1e23c96f2853f448aa22695ded53fd47bbdb1f30803408e1c401d318a03d349c8a8992564ab51320787908f0b96d2abb480529b1

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

                                        Filesize

                                        279KB

                                        MD5

                                        7fa0a58584f5ece8539c59fada76c394

                                        SHA1

                                        34308e2336decb03f4e0625343c91aae5abddcc1

                                        SHA256

                                        8c48c1ab6a7483259a05ab2eb717cc8525482c800f4429dc020cce179b496244

                                        SHA512

                                        8d0394c4965fad37792f2400c585c9b5738e3f1454da64da2938517bbe81a71c25572256acce19ac67d9b0db7d41c7a4f4cb88dba4d8c7638a5a71f86ea1efb9

                                      • C:\Users\Admin\AppData\Local\Temp\chrome_installer.log

                                        Filesize

                                        7KB

                                        MD5

                                        0dfc1f3d5acbc973f33d08663a70d491

                                        SHA1

                                        a6adb0ee0cbf483fcae1e9c784272a742093118b

                                        SHA256

                                        5a7fa9618cc0581583053dba9b7c022b30d5fd7a8a7917ffbfb2c6e2a6d5313c

                                        SHA512

                                        9378827f7d51c379672151776019b44cac01ef6cd85574213e11ad1c5b2b8372938729d22a499106c97b7d8bb693660fcb16bac17ab6c809911ebe55c12a18d1

                                      • C:\Users\Admin\AppData\Local\Temp\chrome_installer.log

                                        Filesize

                                        8KB

                                        MD5

                                        cca9e0b91130ddfa8258baa95f8fbb1b

                                        SHA1

                                        72201f60a96b0e341e6100481d11d356890e6194

                                        SHA256

                                        04f8657189fae1f8127bac142ada1bf1f1c3b24e4337df2de8cca40f62edae88

                                        SHA512

                                        61140e2ba868f5e122516eb30a9e8be8266c435357aa7a22492cd20d6fa648820d1dbe09b9a1e29204339fa5b57d6bf278c8f2cf0b36fbe23bf12d3dc89b3726

                                      • C:\Windows\TEMP\Crashpad\settings.dat

                                        Filesize

                                        40B

                                        MD5

                                        c75904f52c5a3d06d039d7e29d12330e

                                        SHA1

                                        01609a94c02faad94d2500a526a955eabce1584a

                                        SHA256

                                        7ead57eb6e58b3ef599ff51ceb37d2b3e4355de28713b5cbcd0cf56a442f65db

                                        SHA512

                                        b55a3ff4fb2a25ca29e8a4a562166e5c13a6b63291df4e626bb19d33ee03cb9056dc9348ba28cb35ddefc13c3b162399cb260b91c85b2ccd1ab1a491ea1dc162