Analysis

  • max time kernel
    135s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-07-2023 10:56

General

  • Target

    https://goo.su/KojGq6

Malware Config

Signatures

  • Shurk

    Shurk is an infostealer, written in C++ which appeared in 2021.

  • Shurk Stealer payload 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • GoLang User-Agent 3 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 38 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://goo.su/KojGq6
    1⤵
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2372
    • 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=106.0.5249.119 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffde4119758,0x7ffde4119768,0x7ffde4119778
      2⤵
        PID:4196
      • 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=312 --field-trial-handle=1868,i,8606261807330178644,13520167224008521073,131072 /prefetch:2
        2⤵
          PID:4768
        • 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=2036 --field-trial-handle=1868,i,8606261807330178644,13520167224008521073,131072 /prefetch:8
          2⤵
            PID:3896
          • 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=utility --mojo-platform-channel-handle=1976 --field-trial-handle=1868,i,8606261807330178644,13520167224008521073,131072 /prefetch:8
            2⤵
              PID:4384
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --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=2960 --field-trial-handle=1868,i,8606261807330178644,13520167224008521073,131072 /prefetch:1
              2⤵
                PID:2324
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2968 --field-trial-handle=1868,i,8606261807330178644,13520167224008521073,131072 /prefetch:1
                2⤵
                  PID:5108
                • 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=5428 --field-trial-handle=1868,i,8606261807330178644,13520167224008521073,131072 /prefetch:8
                  2⤵
                    PID:1064
                  • 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=5536 --field-trial-handle=1868,i,8606261807330178644,13520167224008521073,131072 /prefetch:8
                    2⤵
                      PID:2276
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5436 --field-trial-handle=1868,i,8606261807330178644,13520167224008521073,131072 /prefetch:8
                      2⤵
                        PID:396
                      • 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=5508 --field-trial-handle=1868,i,8606261807330178644,13520167224008521073,131072 /prefetch:8
                        2⤵
                          PID:3408
                        • 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=3316 --field-trial-handle=1868,i,8606261807330178644,13520167224008521073,131072 /prefetch:2
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:3608
                      • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                        "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                        1⤵
                          PID:4236
                        • C:\Windows\System32\rundll32.exe
                          C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                          1⤵
                            PID:1952
                          • C:\Program Files\7-Zip\7zFM.exe
                            "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\Downloads\NewInstaller.rar"
                            1⤵
                            • Suspicious behavior: GetForegroundWindowSpam
                            • Suspicious use of FindShellTrayWindow
                            PID:3680
                          • C:\Users\Admin\Desktop\NewInstaller.exe
                            "C:\Users\Admin\Desktop\NewInstaller.exe"
                            1⤵
                            • Executes dropped EXE
                            • Suspicious use of SetThreadContext
                            PID:632
                            • C:\Users\Admin\Desktop\newInstaller.exe
                              "C:\Users\Admin\Desktop\newInstaller.exe"
                              2⤵
                              • Executes dropped EXE
                              PID:4712
                              • C:\Windows\SysWOW64\cmd.exe
                                cmd /C "wmic path win32_VideoController get name"
                                3⤵
                                  PID:2176
                                  • C:\Windows\SysWOW64\Wbem\WMIC.exe
                                    wmic path win32_VideoController get name
                                    4⤵
                                    • Detects videocard installed
                                    PID:1044

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

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

                              Filesize

                              20KB

                              MD5

                              04e4c4246baf18f42dbedb9d95eda730

                              SHA1

                              7e3f397209d2556bb15982df51a029bc85d3ede6

                              SHA256

                              94479d42ef7c52281b42e78573bece959e716d73b3cd651a15f5bbf4b8526298

                              SHA512

                              37e3b171044ba4eb1dc10a2a4d7018eb3e45b3276904b53f43b3801f4431197fe411021c4680fd45530da4340fa2e485077e7c11dc62f029a991d1423aff18f6

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

                              Filesize

                              1KB

                              MD5

                              9ec3469011b815074671d12582ad0e67

                              SHA1

                              e8804d9be3ec8c4e7e83901e6486611257446bf0

                              SHA256

                              43aabdfdc50be2b0f77731b2c4039f5772366d15453ee96db4c180b5c31e7c75

                              SHA512

                              05feb77add6b8b3870171c6e4b5513903ca09f1dcee7f0598549a36a030786d243040648ebbedd1ee97a807c6887467f60dfec1c52dfd697a2f8acfe3bdd59c6

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

                              Filesize

                              538B

                              MD5

                              be0819d9f1a3af3b1bb7c7b1c2d3ad2f

                              SHA1

                              2e6237f854a271407fa04fd5eeaae30224c95839

                              SHA256

                              bf0b90803d846d258baab7f4277fc0538d09e884eb26199fc15c174a524c376c

                              SHA512

                              cb28012a96b908e999ed4c302e454c4db370c66d0c1996a77c21f10fa2799dc08a448b76a072aa517f48961ddc2c10e031b7aace28d3367ba61edfe2b3c98195

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

                              Filesize

                              5KB

                              MD5

                              fad5724342253a3ec899af7d78c1416e

                              SHA1

                              403af1507005123801fa274013eb11ceb1e4ef57

                              SHA256

                              c10f21db70da06badfdeba73e67c599db2875ab10f472accd9d4f064159962cf

                              SHA512

                              0d0677e179f4307ecab327d8ffb6758bc17a8a46611d00fa2068e9f405f29f527974aacbacacb782e3d15d8ab7274c098299937917a5954b7b161e820164b6d1

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

                              Filesize

                              5KB

                              MD5

                              3a427550ca783c68e8ae3600b4cfb39c

                              SHA1

                              2a4cd77297fb16020ccce553b0396ee3403c2def

                              SHA256

                              1ab662170e10d5190e6b9e3b82a0cf7f558c7d6ae5deaae8b7dfff0f712d83e6

                              SHA512

                              e5eb5af6096b3ef854636061c5cd89682643bb25ad4181c84cfb12056c1c23d2258f91e49961d9078e1a8b1b6afbf56f95db7a757d0276fc036cb29d6bdbda78

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

                              Filesize

                              5KB

                              MD5

                              73b1765e4c8143bbbdfc5f501c9e4dc7

                              SHA1

                              d01b0e6f36b8e2b078d7a398fd705b696909a5d5

                              SHA256

                              cc8de64f938446927e81441040eb1f50fc64d7bb04b42a755ec831155d16abcc

                              SHA512

                              7295a00f80f09a22c46c3cbb6dc66bfdf49ef5f32af49b83f965b52a9aac27ab327aff694d26bcc124c4df9f2070f184de1511af3393b48d1de41c19d9b615de

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

                              Filesize

                              5KB

                              MD5

                              ad48d92ae18994053bff6da830d497fd

                              SHA1

                              42f8a17f024611e65579e27229b8917af0c9ab55

                              SHA256

                              8435fb19b67e70ba1477ca27d3f8ba416a69e755742bcc8135f0ac2f669613d5

                              SHA512

                              1cfb9318fd5f1904997dd1847597182d77cfed347dd2d2d0e633ddd38c165e596c6e02cf2bec28c700016875d1637665df022a239364089e28509a1b7cc45667

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

                              Filesize

                              87KB

                              MD5

                              201b2fbe91785c126294af6080b33d1a

                              SHA1

                              8afe4359c491b1b017234bbebf192f39695a3581

                              SHA256

                              1f07527f26a3ebe89b80207f218bab5066481725d5812a4ca973b2a308392660

                              SHA512

                              ff16416f176ccee87a762c8c2fd5e6349620557613b55cc17ac6599bd2c2bea64f01d4e392863ed0b005230068a6f0a29b500e3926a96da9c65fdd77b22bb24c

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

                              Filesize

                              87KB

                              MD5

                              201b2fbe91785c126294af6080b33d1a

                              SHA1

                              8afe4359c491b1b017234bbebf192f39695a3581

                              SHA256

                              1f07527f26a3ebe89b80207f218bab5066481725d5812a4ca973b2a308392660

                              SHA512

                              ff16416f176ccee87a762c8c2fd5e6349620557613b55cc17ac6599bd2c2bea64f01d4e392863ed0b005230068a6f0a29b500e3926a96da9c65fdd77b22bb24c

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Module Info Cache

                              Filesize

                              111KB

                              MD5

                              d98b66f74c7b13bfe72ff32cecf1957d

                              SHA1

                              07c400bd5a77c18a1c1c647b138e0133412dfb08

                              SHA256

                              bd0cd3c8bb919fafb2f753d6d70494f78dc463c338a6b29460dfe6254c4d2b5d

                              SHA512

                              d18a80eb68ab4016a933e2533edd128731750d95c2fbbac139a0e461945a70d1cc2dabbc31ee554d603689d71b06c1899d4318bdfc4caa0588a591cc74b7ee42

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Module Info Cache~RFe588ad6.TMP

                              Filesize

                              107KB

                              MD5

                              b6d25ce4652ff4e7cc4aa2fb79e8a107

                              SHA1

                              2617599b04abdd6a96e0b36e50f28ca816129e9f

                              SHA256

                              03cc2b0715cc8e8468c7d22c5b20daf17d6257dfba34824e28f77ef08a04d92c

                              SHA512

                              79f250fca385ab7728fd3096276f024a80ad99a016ea5403deff51af42ed565684297257d8544b961df4499a347b4977dfd94d1f935616f728b4571019a950ad

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

                              Filesize

                              2B

                              MD5

                              99914b932bd37a50b983c5e7c90ae93b

                              SHA1

                              bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                              SHA256

                              44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                              SHA512

                              27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

                            • C:\Users\Admin\Desktop\NewInstaller.exe

                              Filesize

                              7.8MB

                              MD5

                              1627ea318a1afb9fbaa65ff7bca76f47

                              SHA1

                              feb976b7f1e12434bc1155e288dd48076dc39b41

                              SHA256

                              8cac3161f0f6fc4e46b103ba2c782e9b09dd7b5ff68364e4de70a4d6a4a23e67

                              SHA512

                              26c398a8975b0c268d1c70566b185e64e85b1dbf17d4e6727dc9583df2e248853f06ab34ba9673a0898c2ea31758334aa408d074fb36a0c7c0371886b265d1b0

                            • C:\Users\Admin\Desktop\NewInstaller.exe

                              Filesize

                              7.8MB

                              MD5

                              1627ea318a1afb9fbaa65ff7bca76f47

                              SHA1

                              feb976b7f1e12434bc1155e288dd48076dc39b41

                              SHA256

                              8cac3161f0f6fc4e46b103ba2c782e9b09dd7b5ff68364e4de70a4d6a4a23e67

                              SHA512

                              26c398a8975b0c268d1c70566b185e64e85b1dbf17d4e6727dc9583df2e248853f06ab34ba9673a0898c2ea31758334aa408d074fb36a0c7c0371886b265d1b0

                            • C:\Users\Admin\Desktop\NewInstaller.exe

                              Filesize

                              7.8MB

                              MD5

                              1627ea318a1afb9fbaa65ff7bca76f47

                              SHA1

                              feb976b7f1e12434bc1155e288dd48076dc39b41

                              SHA256

                              8cac3161f0f6fc4e46b103ba2c782e9b09dd7b5ff68364e4de70a4d6a4a23e67

                              SHA512

                              26c398a8975b0c268d1c70566b185e64e85b1dbf17d4e6727dc9583df2e248853f06ab34ba9673a0898c2ea31758334aa408d074fb36a0c7c0371886b265d1b0

                            • C:\Users\Admin\Downloads\NewInstaller.rar

                              Filesize

                              6.2MB

                              MD5

                              ce1956f503c625f4455b0eaffc46c374

                              SHA1

                              d71fb3590fe04ea92a9bebb847883fc2a3822ed3

                              SHA256

                              c95082f258ad942be9562eae66935c5d515001d80e758d6a51ce511b5f992377

                              SHA512

                              5ac494baaa97c099433ff10977e93ab809682bfacfd467e357b718e454112184f2066093b9811bf0ca598d1af1a722922c7af4d23db947799047a7fd7f9a85fc

                            • memory/4712-246-0x00000000014B0000-0x0000000001C9A000-memory.dmp

                              Filesize

                              7.9MB

                            • memory/4712-252-0x00000000014B0000-0x0000000001C9A000-memory.dmp

                              Filesize

                              7.9MB

                            • memory/4712-239-0x00000000014B0000-0x0000000001C9A000-memory.dmp

                              Filesize

                              7.9MB