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Analysis

  • max time kernel
    102s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/08/2023, 12:50

General

  • Target

    https://ayrnan.in/Bill%20No2694613Dt01482023.pdf.zip

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 14 IoCs
  • Drops file in Program Files directory 24 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 64 IoCs
  • Suspicious use of FindShellTrayWindow 36 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://ayrnan.in/Bill%20No2694613Dt01482023.pdf.zip
    1⤵
    • 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:2904
    • 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=0x104,0x108,0x10c,0xd8,0xe0,0x7ffe7baa9758,0x7ffe7baa9768,0x7ffe7baa9778
      2⤵
        PID:368
      • 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=1652 --field-trial-handle=1876,i,15345158649432251658,193887120106236022,131072 /prefetch:2
        2⤵
          PID:1964
        • 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=1876,i,15345158649432251658,193887120106236022,131072 /prefetch:8
          2⤵
            PID:1656
          • 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=2212 --field-trial-handle=1876,i,15345158649432251658,193887120106236022,131072 /prefetch:8
            2⤵
              PID:3640
            • 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=3028 --field-trial-handle=1876,i,15345158649432251658,193887120106236022,131072 /prefetch:1
              2⤵
                PID:1128
              • 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=3036 --field-trial-handle=1876,i,15345158649432251658,193887120106236022,131072 /prefetch:1
                2⤵
                  PID:2224
                • 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=5132 --field-trial-handle=1876,i,15345158649432251658,193887120106236022,131072 /prefetch:8
                  2⤵
                    PID:1696
                  • 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=5424 --field-trial-handle=1876,i,15345158649432251658,193887120106236022,131072 /prefetch:8
                    2⤵
                      PID:2968
                    • 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=5552 --field-trial-handle=1876,i,15345158649432251658,193887120106236022,131072 /prefetch:8
                      2⤵
                        PID:1256
                      • 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=1632 --field-trial-handle=1876,i,15345158649432251658,193887120106236022,131072 /prefetch:8
                        2⤵
                          PID:4308
                      • 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:1268
                        • C:\Windows\System32\rundll32.exe
                          C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                          1⤵
                            PID:4336
                          • C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe
                            "C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Temp\Temp1_Bill No2694613Dt01482023.pdf.zip\Bill No2694613Dt01482023.pdf.jar"
                            1⤵
                            • Drops file in System32 directory
                            • Drops file in Program Files directory
                            PID:4708
                          • C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe
                            "C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Temp\Temp1_Bill No2694613Dt01482023.pdf.zip\Bill No2694613Dt01482023.pdf.jar"
                            1⤵
                            • Drops file in System32 directory
                            • Drops file in Program Files directory
                            PID:1576
                          • C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe
                            "C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Temp\Temp1_Bill No2694613Dt01482023.pdf.zip\Bill No2694613Dt01482023.pdf.jar"
                            1⤵
                              PID:3572
                            • C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe
                              "C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Temp\Temp1_Bill No2694613Dt01482023.pdf.zip\Bill No2694613Dt01482023.pdf.jar"
                              1⤵
                                PID:4488

                              Network

                              MITRE ATT&CK Matrix

                              Replay Monitor

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                              Downloads

                              • C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp

                                Filesize

                                50B

                                MD5

                                2dd95007b3e024ab6af262e629ae6f00

                                SHA1

                                71589b9d24d9960121c1f48bab9d514777e2552d

                                SHA256

                                57a136b4f46c19f7443a39d099d5fb61120625c360f4bc24430b39021f854659

                                SHA512

                                3f523e8fb212e9ad789774b40ceca957164355c5e2428932402b8ba9bd4cdbe250bf3619abb46a7160d1a0d76c39a5861438f2e480149877681cb2ab34c1913c

                              • C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp

                                Filesize

                                50B

                                MD5

                                39ada995580758437458934cc27fed8c

                                SHA1

                                26af73fccaf53a67c988d6a0500102a761d830ad

                                SHA256

                                9b53c619ec20322e04ed21bc199736bc19e9cd084512121b3bc006004e5b9e42

                                SHA512

                                ce120ad7e7d84314551750371676a145d8f2711a788bf0365836fe3889b470563f07c2e7f02e26400e2f16849dcd8ed022e83a0309bb5eb5c0d908dc38394f1d

                              • C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp

                                Filesize

                                50B

                                MD5

                                6d5d338c5ebfa64528dc6b34c267f0c6

                                SHA1

                                66429a8bc3588388b43ae4e7421a20faa3aed3f1

                                SHA256

                                9016f94c24bfa440923a2e01e4c451f905b520a4dea143f1d66b1af6d7a814ce

                                SHA512

                                8549ccaba44b6182a43b3e9610e0e0e32066349f38651119c178e1fdd94d5a396f0801aa935412c86d487c7249f964f648a5434abf0888a063ea0a6e2c382640

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

                                Filesize

                                891B

                                MD5

                                d88ba8d36ac0308b0ea364ad2d260b31

                                SHA1

                                d8bf3f881cacce8a980a23b4873a251c96e7982b

                                SHA256

                                6f1e2c3ded953211a50b23fb98cf0c31aa5db327198b75c53fe3db41b3872e47

                                SHA512

                                787fe51cf87407e92743a2eedfc86235717a45ddf634c47c6d4aeeb88b9e97833badad06d0f8a830f195032900c9866b10bed6a268580ce03ec38c6f68d068d3

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

                                Filesize

                                6KB

                                MD5

                                79cee3a1fd3c2f6fc048b5cb71832ed7

                                SHA1

                                b6fa3ae4351c88bb4c6567d8ed72aae6734cc4fe

                                SHA256

                                e23dd5b5a628365f22a973ee9c1c8f01d994993367cae4dcc5f8e89ccdb43cd4

                                SHA512

                                15bd5e4f468aced71707af3ec74cc527ac5ca407764755e34a8ff3e36be4f7f2467bcada3fc0e6d6ca5077e0de08fe5e43566db2fe7e35d7870ddee6e8288d25

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

                                Filesize

                                87KB

                                MD5

                                04d2e19748612f04718dab81cda614d9

                                SHA1

                                0301283f546391a0d0db64f448a9d272bf8039ad

                                SHA256

                                a5ea1e92257fbf308caf2544fa9960b992f87823dd25bd21fbb6cd15408a3a47

                                SHA512

                                0f34547cd657c895d873204a8fd851502453685ffb6d5e0b884e3a21949e96855652c808c7eeb815febc7c36d99977e9b1e38f8712d2326c0c987b1d2f997810

                              • 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\Downloads\Bill No2694613Dt01482023.pdf.zip.crdownload

                                Filesize

                                201KB

                                MD5

                                61300a9a1eb0a9def7b98788196609a4

                                SHA1

                                33af9c33abb79849d70e7a06bbe0707b8301dd95

                                SHA256

                                849dfa95793dfc93238560c78bde6515c8ae96502b8647c4961bd36bdaa4650c

                                SHA512

                                6ea43de66f1fe4cfed5ac4773c7b13fcb61eda1eeee532d2e9cd9b228fd40e2fb3f8f2fc29866ad370f13906ee7e2a5e14ffbc4f51a3e61f53204dfe199d4751

                              • memory/1576-297-0x00000000033A0000-0x00000000033B0000-memory.dmp

                                Filesize

                                64KB

                              • memory/1576-285-0x0000000002D00000-0x0000000002D01000-memory.dmp

                                Filesize

                                4KB

                              • memory/1576-301-0x0000000003120000-0x0000000004120000-memory.dmp

                                Filesize

                                16.0MB

                              • memory/1576-300-0x00000000034A0000-0x00000000034B0000-memory.dmp

                                Filesize

                                64KB

                              • memory/1576-298-0x0000000003420000-0x0000000003430000-memory.dmp

                                Filesize

                                64KB

                              • memory/1576-296-0x0000000003490000-0x00000000034A0000-memory.dmp

                                Filesize

                                64KB

                              • memory/1576-232-0x0000000003120000-0x0000000004120000-memory.dmp

                                Filesize

                                16.0MB

                              • memory/1576-236-0x0000000002D00000-0x0000000002D01000-memory.dmp

                                Filesize

                                4KB

                              • memory/1576-243-0x0000000003120000-0x0000000004120000-memory.dmp

                                Filesize

                                16.0MB

                              • memory/1576-248-0x0000000002D00000-0x0000000002D01000-memory.dmp

                                Filesize

                                4KB

                              • memory/1576-256-0x0000000003120000-0x0000000004120000-memory.dmp

                                Filesize

                                16.0MB

                              • memory/1576-264-0x0000000002D00000-0x0000000002D01000-memory.dmp

                                Filesize

                                4KB

                              • memory/1576-266-0x0000000003120000-0x0000000004120000-memory.dmp

                                Filesize

                                16.0MB

                              • memory/1576-293-0x0000000002D00000-0x0000000002D01000-memory.dmp

                                Filesize

                                4KB

                              • memory/1576-287-0x0000000002D00000-0x0000000002D01000-memory.dmp

                                Filesize

                                4KB

                              • memory/1576-289-0x0000000002D00000-0x0000000002D01000-memory.dmp

                                Filesize

                                4KB

                              • memory/1576-288-0x0000000002D00000-0x0000000002D01000-memory.dmp

                                Filesize

                                4KB

                              • memory/1576-290-0x0000000002D00000-0x0000000002D01000-memory.dmp

                                Filesize

                                4KB

                              • memory/3572-313-0x0000000002C20000-0x0000000003C20000-memory.dmp

                                Filesize

                                16.0MB

                              • memory/3572-322-0x0000000000FB0000-0x0000000000FB1000-memory.dmp

                                Filesize

                                4KB

                              • memory/4488-331-0x0000000002C40000-0x0000000003C40000-memory.dmp

                                Filesize

                                16.0MB

                              • memory/4708-210-0x00000000029E0000-0x00000000039E0000-memory.dmp

                                Filesize

                                16.0MB

                              • memory/4708-299-0x00000000029E0000-0x00000000039E0000-memory.dmp

                                Filesize

                                16.0MB

                              • memory/4708-220-0x0000000002CA0000-0x0000000002CB0000-memory.dmp

                                Filesize

                                64KB

                              • memory/4708-219-0x0000000002C90000-0x0000000002CA0000-memory.dmp

                                Filesize

                                64KB

                              • memory/4708-218-0x0000000002C80000-0x0000000002C90000-memory.dmp

                                Filesize

                                64KB

                              • memory/4708-189-0x00000000026F0000-0x00000000026F1000-memory.dmp

                                Filesize

                                4KB

                              • memory/4708-217-0x0000000002C60000-0x0000000002C70000-memory.dmp

                                Filesize

                                64KB

                              • memory/4708-216-0x0000000002C70000-0x0000000002C80000-memory.dmp

                                Filesize

                                64KB

                              • memory/4708-180-0x00000000029E0000-0x00000000039E0000-memory.dmp

                                Filesize

                                16.0MB

                              • memory/4708-211-0x00000000026F0000-0x00000000026F1000-memory.dmp

                                Filesize

                                4KB