Analysis

  • max time kernel
    190s
  • max time network
    193s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2022 17:00

General

  • Target

    96d540b005a73f325946caf663bcaa9019f1a87b5217333e0608a1aa79ed84c2.exe

  • Size

    662KB

  • MD5

    d42a68673a0159cf44884e5f8d0dc0f3

  • SHA1

    c673c7283f9590b57e4107f4092bb7d6bc3dbd84

  • SHA256

    96d540b005a73f325946caf663bcaa9019f1a87b5217333e0608a1aa79ed84c2

  • SHA512

    cacea8e9a16fc57d40aaa56f4951cd137e6300de50f03ffeacac259f92c3d10da68050d7b87b10af92e530d0788b748272a9e947b15123556494b6b7d29cb4e2

  • SSDEEP

    12288:Z0L+fPVW03VATD5MNEbevxuV0N6WqbzLNYQsh2yqlAyN1llV:6AEvUEbtVQ6W/QV

Malware Config

Signatures

  • joker

    Joker is an Android malware that targets billing and SMS fraud.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\96d540b005a73f325946caf663bcaa9019f1a87b5217333e0608a1aa79ed84c2.exe
    "C:\Users\Admin\AppData\Local\Temp\96d540b005a73f325946caf663bcaa9019f1a87b5217333e0608a1aa79ed84c2.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4052
    • C:\Users\Admin\AppData\Local\Temp\96d540b005a73f325946caf663bcaa9019f1a87b5217333e0608a1aa79ed84c2.dmy
      C:\Users\Admin\AppData\Local\Temp\96d540b005a73f325946caf663bcaa9019f1a87b5217333e0608a1aa79ed84c2.dmy
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4560
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://www.tocabala.com/thread-250-1-1.html
        3⤵
        • Enumerates system info in registry
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:3528
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ffa021d46f8,0x7ffa021d4708,0x7ffa021d4718
          4⤵
            PID:2272
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2084,12826745912181679802,289353264038021931,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2192 /prefetch:2
            4⤵
              PID:1408
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2084,12826745912181679802,289353264038021931,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2256 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:3568
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2084,12826745912181679802,289353264038021931,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2064 /prefetch:8
              4⤵
                PID:2724
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,12826745912181679802,289353264038021931,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3916 /prefetch:1
                4⤵
                  PID:3784
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,12826745912181679802,289353264038021931,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3920 /prefetch:1
                  4⤵
                    PID:3952
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2084,12826745912181679802,289353264038021931,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4872 /prefetch:8
                    4⤵
                      PID:3212
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2084,12826745912181679802,289353264038021931,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5424 /prefetch:8
                      4⤵
                        PID:3076
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,12826745912181679802,289353264038021931,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5436 /prefetch:1
                        4⤵
                          PID:4704
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,12826745912181679802,289353264038021931,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5536 /prefetch:1
                          4⤵
                            PID:4248
                    • C:\Windows\System32\CompPkgSrv.exe
                      C:\Windows\System32\CompPkgSrv.exe -Embedding
                      1⤵
                        PID:1276

                      Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_34D61B4A2A4AE0D3DDAB879224BCA77B

                        Filesize

                        2KB

                        MD5

                        b34fcfd4bd3059952c10ff9b1e8f0bde

                        SHA1

                        68ee422bb74f0255a85b697d45f7bff3cdcf3c0c

                        SHA256

                        79589da398956346f56741a87045e117c240e8f1641a901f9163291a483a7973

                        SHA512

                        2cde60d891de4134a916f828b71b54956ef37c8aca503ffa363b4e80d5818472412db0f87cfdf654724f05be52b7db203e9c685844b3a1446459a8d556344185

                      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

                        Filesize

                        1KB

                        MD5

                        0698dbc93ba7b6bef73ba316695f8317

                        SHA1

                        a444078ff1eb7c88f52cb4e324365926b491ed47

                        SHA256

                        263292040d77903899257c1d21201dc64d6f8d6b5a1d945cd5b28d0124d7906c

                        SHA512

                        ebacaa7009aebb88199cd70fd0bb3afe69ed300318cb633edd1c0404e42aef829617f589bcbad6cb7ab4bd0a8ae87f7df1435c786184ecc5de61c8fc6950a900

                      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C5B1F6CF4A47750C9CA624A892D7823E

                        Filesize

                        728B

                        MD5

                        2c6d5d373c91fc4cb18958e7d1c8141c

                        SHA1

                        ca394947c161fde6f50edf2fc0792c9d9f00e58d

                        SHA256

                        8bcea716eff0b86bbe298894116497e6187e6f9da883a7b019341875be5d792b

                        SHA512

                        820b4d6986b4433d8daa2c62e71894d2144ed8c0c43d61fbbd360df11fc0b0ec6a93e0d82d6434f21467315b52ca326fed75c6e66d4be5d68465a2c478041686

                      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_34D61B4A2A4AE0D3DDAB879224BCA77B

                        Filesize

                        488B

                        MD5

                        7517f5ba8154dd5e0651a39aabae0591

                        SHA1

                        2407729f307106d2a0af2e6581a4c3b7e32dd748

                        SHA256

                        bfd4586a121027444cc0d7ebba4e9bde8afe546716e53ed22a443493d283166c

                        SHA512

                        2ad0c00f4a7d05b005d9e7b4a4b1c5c5145f289897c85f2da0bb088f846b16525dca0fe10a13dd6f891e2556e89294622b41fea3ed09c591d7fe5698a40e881d

                      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

                        Filesize

                        482B

                        MD5

                        79593f2c0e3f0bf59fd14fe783407791

                        SHA1

                        d325cce9f206a76f7dbac3f934137c9e00c01ee7

                        SHA256

                        dc3d824810e9798f58a6978158de56e753c515f7128f2c9610f1915f58897efc

                        SHA512

                        b903b02570d0b5121b02290ba11b82ad5348e89dfb257aff2149660b824da7d2a9ccc6783af5ba58d11284faa766858fb26d25296fc513a604329ccd0a192215

                      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C5B1F6CF4A47750C9CA624A892D7823E

                        Filesize

                        504B

                        MD5

                        b2aadb16390f4e9ca707a596d489d022

                        SHA1

                        342db0ba2b2c1272c729e700b3780b7017e669a8

                        SHA256

                        114092dec8842e9db6633774c4224729e5b936a4e5a27250b84ef1a923d40895

                        SHA512

                        aee347f974996c43d97beb723c0df24c3c6ba62a50ebba7b15a39880ca3c66b0cf7dc6fdddcfe03d583f15bfb57a5b436be77a52b4a500acbfb1d1816d60215b

                      • C:\Users\Admin\AppData\Local\Temp\96d540b005a73f325946caf663bcaa9019f1a87b5217333e0608a1aa79ed84c2.dmy

                        Filesize

                        662KB

                        MD5

                        d42a68673a0159cf44884e5f8d0dc0f3

                        SHA1

                        c673c7283f9590b57e4107f4092bb7d6bc3dbd84

                        SHA256

                        96d540b005a73f325946caf663bcaa9019f1a87b5217333e0608a1aa79ed84c2

                        SHA512

                        cacea8e9a16fc57d40aaa56f4951cd137e6300de50f03ffeacac259f92c3d10da68050d7b87b10af92e530d0788b748272a9e947b15123556494b6b7d29cb4e2

                      • C:\Users\Admin\AppData\Local\Temp\96d540b005a73f325946caf663bcaa9019f1a87b5217333e0608a1aa79ed84c2.dmy

                        Filesize

                        662KB

                        MD5

                        d42a68673a0159cf44884e5f8d0dc0f3

                        SHA1

                        c673c7283f9590b57e4107f4092bb7d6bc3dbd84

                        SHA256

                        96d540b005a73f325946caf663bcaa9019f1a87b5217333e0608a1aa79ed84c2

                        SHA512

                        cacea8e9a16fc57d40aaa56f4951cd137e6300de50f03ffeacac259f92c3d10da68050d7b87b10af92e530d0788b748272a9e947b15123556494b6b7d29cb4e2

                      • C:\Users\Admin\AppData\Local\Temp\ziplib.dll

                        Filesize

                        453KB

                        MD5

                        6df0ed0afe162198116be68aba60e0c4

                        SHA1

                        bd0ca25ff4e495717be7345933aaa90755e5a6ca

                        SHA256

                        14172cccc2b24d7b490b6038c9493e64d5cab4afeee62014710dfad546eec9dc

                        SHA512

                        6696ec1e2261e44e1259609f74e95c205165048d94e581f44b09b87fc70e89b2eaeecd09b7de9cb9735dab0b9d90dd4ff7b5ac07e4b5bd8e5f502e71bbfdb757

                      • C:\Users\Admin\AppData\Local\Temp\ziplib.dll

                        Filesize

                        453KB

                        MD5

                        6df0ed0afe162198116be68aba60e0c4

                        SHA1

                        bd0ca25ff4e495717be7345933aaa90755e5a6ca

                        SHA256

                        14172cccc2b24d7b490b6038c9493e64d5cab4afeee62014710dfad546eec9dc

                        SHA512

                        6696ec1e2261e44e1259609f74e95c205165048d94e581f44b09b87fc70e89b2eaeecd09b7de9cb9735dab0b9d90dd4ff7b5ac07e4b5bd8e5f502e71bbfdb757

                      • memory/4052-137-0x0000000000400000-0x00000000005BC000-memory.dmp

                        Filesize

                        1.7MB

                      • memory/4052-132-0x0000000000400000-0x00000000005BC000-memory.dmp

                        Filesize

                        1.7MB

                      • memory/4560-138-0x0000000000400000-0x00000000005BC000-memory.dmp

                        Filesize

                        1.7MB

                      • memory/4560-136-0x0000000000400000-0x00000000005BC000-memory.dmp

                        Filesize

                        1.7MB

                      • memory/4560-141-0x0000000005B90000-0x0000000005C07000-memory.dmp

                        Filesize

                        476KB