Analysis

  • max time kernel
    58s
  • max time network
    39s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-07-2023 07:21

General

  • Target

    https://github.com/Stealerium/Stealerium/releases/download/Build_2023.06.12_22-51/Stealerium.zip

Malware Config

Signatures

  • Stealerium

    An open source info stealer written in C# first seen in May 2022.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 52 IoCs
  • Suspicious use of FindShellTrayWindow 34 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://github.com/Stealerium/Stealerium/releases/download/Build_2023.06.12_22-51/Stealerium.zip
    1⤵
    • Adds Run key to start application
    • 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:3468
    • 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=0x100,0x104,0x108,0xdc,0x10c,0x7ff8aa239758,0x7ff8aa239768,0x7ff8aa239778
      2⤵
        PID:2372
      • 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=1712 --field-trial-handle=1896,i,11967158067817214815,4458709849481070181,131072 /prefetch:2
        2⤵
          PID:1812
        • 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=2148 --field-trial-handle=1896,i,11967158067817214815,4458709849481070181,131072 /prefetch:8
          2⤵
            PID:3824
          • 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=2240 --field-trial-handle=1896,i,11967158067817214815,4458709849481070181,131072 /prefetch:8
            2⤵
              PID:1632
            • 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=3028 --field-trial-handle=1896,i,11967158067817214815,4458709849481070181,131072 /prefetch:1
              2⤵
                PID:1908
              • 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=3020 --field-trial-handle=1896,i,11967158067817214815,4458709849481070181,131072 /prefetch:1
                2⤵
                  PID:3960
                • 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=4856 --field-trial-handle=1896,i,11967158067817214815,4458709849481070181,131072 /prefetch:8
                  2⤵
                    PID:2836
                  • 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=4552 --field-trial-handle=1896,i,11967158067817214815,4458709849481070181,131072 /prefetch:8
                    2⤵
                      PID:1968
                    • 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=5312 --field-trial-handle=1896,i,11967158067817214815,4458709849481070181,131072 /prefetch:8
                      2⤵
                        PID:1768
                      • 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=5344 --field-trial-handle=1896,i,11967158067817214815,4458709849481070181,131072 /prefetch:8
                        2⤵
                          PID:1968
                      • 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:552
                        • C:\Windows\System32\rundll32.exe
                          C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                          1⤵
                            PID:4392
                          • C:\Users\Admin\Desktop\asd\Builder.exe
                            "C:\Users\Admin\Desktop\asd\Builder.exe"
                            1⤵
                              PID:2412
                            • C:\Users\Admin\Desktop\asd\Builder.exe
                              "C:\Users\Admin\Desktop\asd\Builder.exe"
                              1⤵
                                PID:3704
                              • C:\Users\Admin\Desktop\asd\Builder.exe
                                "C:\Users\Admin\Desktop\asd\Builder.exe"
                                1⤵
                                  PID:1252
                                • C:\Users\Admin\Desktop\asd\Builder.exe
                                  "C:\Users\Admin\Desktop\asd\Builder.exe"
                                  1⤵
                                    PID:4880
                                  • C:\Users\Admin\Desktop\asd\Builder.exe
                                    "C:\Users\Admin\Desktop\asd\Builder.exe"
                                    1⤵
                                      PID:4916
                                    • C:\Users\Admin\Desktop\asd\Builder.exe
                                      "C:\Users\Admin\Desktop\asd\Builder.exe"
                                      1⤵
                                        PID:4776
                                      • C:\Users\Admin\Desktop\asd\Stub\stub.exe
                                        "C:\Users\Admin\Desktop\asd\Stub\stub.exe"
                                        1⤵
                                        • Suspicious use of AdjustPrivilegeToken
                                        PID:2140
                                        • C:\Windows\SysWOW64\cmd.exe
                                          "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp3C97.tmp.bat
                                          2⤵
                                            PID:3128
                                            • C:\Windows\SysWOW64\chcp.com
                                              chcp 65001
                                              3⤵
                                                PID:1908
                                              • C:\Windows\SysWOW64\taskkill.exe
                                                TaskKill /F /IM 2140
                                                3⤵
                                                • Kills process with taskkill
                                                • Suspicious use of AdjustPrivilegeToken
                                                PID:3960
                                              • C:\Windows\SysWOW64\timeout.exe
                                                Timeout /T 2 /Nobreak
                                                3⤵
                                                • Delays execution with timeout.exe
                                                PID:3888

                                          Network

                                          MITRE ATT&CK Enterprise v6

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

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

                                            Filesize

                                            1KB

                                            MD5

                                            30577d1744af16819d2b03ebbb0183cf

                                            SHA1

                                            49bde043b828fbfd677f81807e900d32815d6cd6

                                            SHA256

                                            0a3b9fa5bc163867d1f97e431799cc0b7805384338ebdb1a4cac5c4854ad0d98

                                            SHA512

                                            827cf039f6816fd3fbda9fc5a2ac498bfd07ace2fb6e2cc43f6511013ceb0c4eb36b2ecbee99e70fd145ef908968bdaa46e57b80655901758ffdd3ece29dd68a

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

                                            Filesize

                                            538B

                                            MD5

                                            4885b253f6ae90ba7da02110914d6643

                                            SHA1

                                            b5e4017c748bf559d9873b0d348fb00953a3e468

                                            SHA256

                                            7133d70721892fafa7928a4ae5ac1709f8cef1db97eb7fbfef741eaef9493e02

                                            SHA512

                                            7b6f9eada5a39457d1269c8e5bf4bbe76924596136464bae26803ab51246f1646fde4769a0f6ffc0c9d2826eaef4b310acc8773538ee4048630f6cf212864fa8

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

                                            Filesize

                                            6KB

                                            MD5

                                            5156c0126d26ffaf1442f02f6c0ba1ac

                                            SHA1

                                            0cdca0cfdd8628987f7e2988c37aab143b5ec31e

                                            SHA256

                                            d50d9cef0f2bee800f159b5a183ddc5d6255d57dd82f635ed12a051bc9311c1c

                                            SHA512

                                            5d40e5129a5e7a3df0ed0f0be5e5a49964a17ec317e0af2e8c3834d90be58213ed0de9429c03496a002b79137dec5cd6481d41c0d97b5d298add6a8750c84b6e

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

                                            Filesize

                                            87KB

                                            MD5

                                            413ff9d9dad53f9c5cbbd1c83b376119

                                            SHA1

                                            c1a218813716c7bb0942f08763e243d582ab020f

                                            SHA256

                                            edf7ed91b6663d9248a842fadecf26b640e1b5c6e076944c9b47142001658950

                                            SHA512

                                            4dec79c95f60ba7e5f3ac7c5fe9a8ce1cb87da9abb844a86afb8d05f70637ed2611e4253973e3131807c9f5d2e0669bf8a7e5064cf81a02bfa49f6b047fc4ca4

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

                                            Filesize

                                            87KB

                                            MD5

                                            9bd0eb1fdd77aae443ae4e40fb372cb5

                                            SHA1

                                            668cc3fcace4bc89522e10bfcc478c819915388c

                                            SHA256

                                            611165bef58a797e939b1db7bd3eaa5b8d583becd36bce6309337afd7635220b

                                            SHA512

                                            a09d6e39330f9c867c66afe51f243df6c2960bdaf2f9cdbf057e166f062f04d10ff41c56b8391cb0b2d6f5fc2da8414c90337d1ffa11d097b30a3213e5e2e41d

                                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\ShaderCache\data_1

                                            Filesize

                                            264KB

                                            MD5

                                            f50f89a0a91564d0b8a211f8921aa7de

                                            SHA1

                                            112403a17dd69d5b9018b8cede023cb3b54eab7d

                                            SHA256

                                            b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                                            SHA512

                                            bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                                          • 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\AppData\Local\Temp\tmp3C97.tmp.bat

                                            Filesize

                                            57B

                                            MD5

                                            290fbd3bd58d203295af9a45a9aff2a9

                                            SHA1

                                            a93ab883f49971aa992f6a2eb79bb6b84c831bb0

                                            SHA256

                                            58233d32d15b0df61fad37c976db7031d47c810200993a0fed70c53a21b3e9cd

                                            SHA512

                                            0c8d994dbe2369b85f91fb0a18fb2db41cde891dfdfd9bf735aa55b6a6431bcc46a58223242fe257ea44f689a70a939597cc92d88f1277a8c1fa83ab04585648

                                          • C:\Users\Admin\Downloads\Stealerium.zip.crdownload

                                            Filesize

                                            2.8MB

                                            MD5

                                            135fca6a528a5a12d8113727f8dfd41a

                                            SHA1

                                            933c28429a840bf80f28ed6719a1f61e0b4c594b

                                            SHA256

                                            d368aa9f74bac62cae479c0b4a41ab7b4c62162daee6e1d24c5fbedcb8afc80f

                                            SHA512

                                            ca10b5d862065e287c1915ace20e13bab2e3dd3200c659f15297536c50655186ae69d1f82e6eea9665ec059fa65947563402539930ece21a496796a8f8c0c754

                                          • \??\pipe\crashpad_3468_ZBMBVFOGNGJITJMN

                                            MD5

                                            d41d8cd98f00b204e9800998ecf8427e

                                            SHA1

                                            da39a3ee5e6b4b0d3255bfef95601890afd80709

                                            SHA256

                                            e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                            SHA512

                                            cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                          • memory/2140-261-0x00000000752D0000-0x0000000075A80000-memory.dmp

                                            Filesize

                                            7.7MB

                                          • memory/2140-262-0x0000000000600000-0x0000000000792000-memory.dmp

                                            Filesize

                                            1.6MB

                                          • memory/2140-263-0x0000000005120000-0x0000000005186000-memory.dmp

                                            Filesize

                                            408KB

                                          • memory/2140-264-0x0000000005260000-0x0000000005270000-memory.dmp

                                            Filesize

                                            64KB