Analysis

  • max time kernel
    88s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-04-2023 18:42

General

  • Target

    Mercurial.exe

  • Size

    3.2MB

  • MD5

    a9477b3e21018b96fc5d2264d4016e65

  • SHA1

    493fa8da8bf89ea773aeb282215f78219a5401b7

  • SHA256

    890fd59af3370e2ce12e0d11916d1ad4ee9b9c267c434347dbed11e9572e8645

  • SHA512

    66529a656865400fe37d40ae125a1d057f8be5aa17da80d367ebbe1a9dcea38f5174870d0dc5b56771f6ca5a13e2fad22d803f5357f3ef59a46e3bdf0cc5ee9c

  • SSDEEP

    98304:5kjozJ9/im8XVBKl6t1buVfRhq+5tXzgCa/T:lzJpjS346t1bIfuq07

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 8 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Mercurial.exe
    "C:\Users\Admin\AppData\Local\Temp\Mercurial.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3212
  • C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4136
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe"
      2⤵
      • Checks processor information in registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5028
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="5028.0.672882942\549766923" -parentBuildID 20221007134813 -prefsHandle 1820 -prefMapHandle 1812 -prefsLen 20890 -prefMapSize 232675 -appDir "C:\Program Files\Mozilla Firefox\browser" - {d16e945a-1dac-431b-a0d4-d8321b30bac8} 5028 "\\.\pipe\gecko-crash-server-pipe.5028" 1900 25864fa7058 gpu
        3⤵
          PID:2988
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="5028.1.225527899\72324864" -parentBuildID 20221007134813 -prefsHandle 2288 -prefMapHandle 2284 -prefsLen 20926 -prefMapSize 232675 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {1620bc35-4580-4b0a-b8c5-5a6bc002e588} 5028 "\\.\pipe\gecko-crash-server-pipe.5028" 2300 25857072258 socket
          3⤵
          • Checks processor information in registry
          PID:4868
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="5028.2.188915880\1025932773" -childID 1 -isForBrowser -prefsHandle 3212 -prefMapHandle 3164 -prefsLen 21074 -prefMapSize 232675 -jsInitHandle 1484 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {3f48a8b8-433b-4d31-a473-32ae6e3e08d2} 5028 "\\.\pipe\gecko-crash-server-pipe.5028" 3204 25867c2bb58 tab
          3⤵
            PID:1868
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="5028.3.1365648903\1385011691" -childID 2 -isForBrowser -prefsHandle 2444 -prefMapHandle 1460 -prefsLen 26519 -prefMapSize 232675 -jsInitHandle 1484 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {847808b5-ba70-453b-95a7-285f41a8d22c} 5028 "\\.\pipe\gecko-crash-server-pipe.5028" 1180 25857070158 tab
            3⤵
              PID:4912
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="5028.4.175774374\1900555895" -childID 3 -isForBrowser -prefsHandle 4028 -prefMapHandle 4024 -prefsLen 26519 -prefMapSize 232675 -jsInitHandle 1484 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {86b996f5-4d16-45bc-96b3-dffce7e6534f} 5028 "\\.\pipe\gecko-crash-server-pipe.5028" 4040 25857062b58 tab
              3⤵
                PID:3396
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="5028.6.2070782623\245701822" -childID 5 -isForBrowser -prefsHandle 4844 -prefMapHandle 4840 -prefsLen 26578 -prefMapSize 232675 -jsInitHandle 1484 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {5c15fc72-0799-4b91-a7a9-625c6533e45c} 5028 "\\.\pipe\gecko-crash-server-pipe.5028" 4168 25869fa0d58 tab
                3⤵
                  PID:1712
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="5028.5.512329155\2122806798" -childID 4 -isForBrowser -prefsHandle 4720 -prefMapHandle 4676 -prefsLen 26578 -prefMapSize 232675 -jsInitHandle 1484 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {74e8aa09-028a-42f3-95b8-dee1eb893388} 5028 "\\.\pipe\gecko-crash-server-pipe.5028" 4732 25869efa658 tab
                  3⤵
                    PID:1472
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="5028.7.1900214323\745376227" -childID 6 -isForBrowser -prefsHandle 5220 -prefMapHandle 5224 -prefsLen 26578 -prefMapSize 232675 -jsInitHandle 1484 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {e90e9a27-4095-4814-a906-cb8b418aaf8a} 5028 "\\.\pipe\gecko-crash-server-pipe.5028" 5084 2586a523158 tab
                    3⤵
                      PID:4168
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="5028.8.752808240\1228733604" -childID 7 -isForBrowser -prefsHandle 3556 -prefMapHandle 1500 -prefsLen 26913 -prefMapSize 232675 -jsInitHandle 1484 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {91a9ba67-d9b3-468c-b127-6a3599d4a3dd} 5028 "\\.\pipe\gecko-crash-server-pipe.5028" 3652 2585705be58 tab
                      3⤵
                        PID:636
                  • C:\Windows\system32\WerFault.exe
                    C:\Windows\system32\WerFault.exe -pss -s 444 -p 2684 -ip 2684
                    1⤵
                      PID:4472
                    • C:\Windows\system32\WerFault.exe
                      C:\Windows\system32\WerFault.exe -u -p 2684 -s 784
                      1⤵
                      • Program crash
                      PID:5116

                    Network

                    MITRE ATT&CK Matrix ATT&CK v6

                    Defense Evasion

                    Modify Registry

                    1
                    T1112

                    Discovery

                    Query Registry

                    2
                    T1012

                    System Information Discovery

                    1
                    T1082

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\57nap2zl.default-release\activity-stream.discovery_stream.json.tmp
                      Filesize

                      135KB

                      MD5

                      c81d0a2c74f7cf6ee945409dd3ad16e5

                      SHA1

                      8a7120d1faa01e0f18906b7d5f7ff086d9e63ecc

                      SHA256

                      7934304d5c03459d396435b161b51c0288d686bdd07cdaf7f0c7b6b42e5b2b1c

                      SHA512

                      73f5d9690d1444c2f8653feac154827a0eed21c25f0ed3ccc2a4a86c799cec9a1b9abbd24e9bc39d01046ea679a9862448755fa36fda44cfce9e23db49c5c8c0

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\57nap2zl.default-release\prefs-1.js
                      Filesize

                      6KB

                      MD5

                      c54a3bb7033c44827afff74f5e9eb8c2

                      SHA1

                      19b878c0b7b72505fe0fa414162be62d913b953e

                      SHA256

                      08ab8a5155d5c160b2b736224538f9c4325ef8f14a2ea792b88c794026532d0b

                      SHA512

                      a00e95ecfdbd6f5286d50f7bbf93faa366dd9acf68fc8fab4966f126c073307d582bf9c6828955b940be060d7bc9588dd4d82cd24571312fd6b2164ce7848ce6

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\57nap2zl.default-release\prefs-1.js
                      Filesize

                      7KB

                      MD5

                      9c99f34cd0346da44d80c3a32eb023f8

                      SHA1

                      b3562e3db876a4a9a1bc5bff0b6daa65c97938a0

                      SHA256

                      577622b0819cf7935a3c4ced5f1612f5ef79e9b668b91b266f3a962102b7a335

                      SHA512

                      f5230225f328be9dfd8c3142ebbad489e8ba3b8fd21042fe19b2610727a95db307d89ee8db7aad2214de0800fedc689839ce44d72949046d735ffd9d66b9528e

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\57nap2zl.default-release\prefs-1.js
                      Filesize

                      6KB

                      MD5

                      4fb78ef0d0e2ee5355392c36cf074920

                      SHA1

                      a96815a8dafa6b09734a00269df38c5584d2d379

                      SHA256

                      c7416541c41e6c55b79b6152ff6e12547285a6d679423dfd22d24d24ae3fdcd9

                      SHA512

                      aea4c78075d147f1cf58922fd5f1ce3970f972b5510efc2107caf1f6545cd7cb82bc647af164c1864e5c35e421f7599328763c49380e8c6734b33f11bedbf4e9

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\57nap2zl.default-release\prefs.js
                      Filesize

                      6KB

                      MD5

                      feb8a52858c8167a58f36caa1b37f116

                      SHA1

                      7ae7f9d2721ae3c579f9e18e4fea679e8c848158

                      SHA256

                      adbc4c7b5e775c3d401ae811d5be5a69b844f5937e3d0a416d374dd5a7ec227a

                      SHA512

                      109d42ec5b9744b3561d29a9cabdcf2ffb81233935fa5c2d80c39f27b92ae55366c3c51ae3d26cc1a8936635662acbd11af89e54efac374aceaa279f13e7dc16

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\57nap2zl.default-release\sessionCheckpoints.json.tmp
                      Filesize

                      259B

                      MD5

                      e6c20f53d6714067f2b49d0e9ba8030e

                      SHA1

                      f516dc1084cdd8302b3e7f7167b905e603b6f04f

                      SHA256

                      50a670fb78ff2712aae2c16d9499e01c15fddf24e229330d02a69b0527a38092

                      SHA512

                      462415b8295c1cdcac0a7cb16bb8a027ef36ae2ce0b061071074ac3209332a7eae71de843af4b96bbbd6158ca8fd5c18147bf9a79b8a7768a9a35edce8b784bf

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\57nap2zl.default-release\sessionstore-backups\recovery.jsonlz4
                      Filesize

                      3KB

                      MD5

                      ee6a2c16a74e56daddfbb62f314be27f

                      SHA1

                      07f37b0f235f8a4093da10242fd0601c6460de84

                      SHA256

                      4404547ba021cf53c0ca85a4f68d7a4673e8be00c776088a85ac7b9d1b448a6a

                      SHA512

                      97ab12f3d29289ccefe1b2f135fa5e2c5fd332ceb7b4fbb64e9f70b27b2e444ca3ff6215d65cac6083b02f701c6e76d92b1df3cd97c03105cb9e8cb24e700d03

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\57nap2zl.default-release\sessionstore-backups\recovery.jsonlz4
                      Filesize

                      4KB

                      MD5

                      5238fba809b8f6d80837a944a050c4ba

                      SHA1

                      5a533e13751944511b0221b8cc8730c445a05164

                      SHA256

                      b71095865964de3cb132871bd03121fbf6a1d59a5d7fc9e8b4cc504facb087b0

                      SHA512

                      2eac80b815fbe2c0a1fcabee98bbab201255958bbc77bfae99854d033bd1e1a59fdc7de68b62495388a515895d2f8c9622a902631d42f9977641a30d536a1f56

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\57nap2zl.default-release\sessionstore.jsonlz4
                      Filesize

                      5KB

                      MD5

                      3c7f7da096dc93ecf8346004fac93296

                      SHA1

                      5fa046fe3cebf1b6feb7c733520dd73204eaa691

                      SHA256

                      2023f199ddd82129c372025ba57def058005386cdbe7905db2a45bd3fafcaa08

                      SHA512

                      db7388c3320253b8da2faf7e05ca7b90b37c346ee61fdbe40652158b7078d0465aadfc1a0019904c7c6ee1ff10ecd7f27a56fda5d3cc3102d2d33a5821ddc820

                    • memory/3212-140-0x0000000004F60000-0x0000000004F70000-memory.dmp
                      Filesize

                      64KB

                    • memory/3212-151-0x0000000004F60000-0x0000000004F70000-memory.dmp
                      Filesize

                      64KB

                    • memory/3212-144-0x0000000004F60000-0x0000000004F70000-memory.dmp
                      Filesize

                      64KB

                    • memory/3212-145-0x0000000004F60000-0x0000000004F70000-memory.dmp
                      Filesize

                      64KB

                    • memory/3212-146-0x0000000004F60000-0x0000000004F70000-memory.dmp
                      Filesize

                      64KB

                    • memory/3212-147-0x0000000004F60000-0x0000000004F70000-memory.dmp
                      Filesize

                      64KB

                    • memory/3212-148-0x0000000004F60000-0x0000000004F70000-memory.dmp
                      Filesize

                      64KB

                    • memory/3212-149-0x0000000004F60000-0x0000000004F70000-memory.dmp
                      Filesize

                      64KB

                    • memory/3212-150-0x000000000C400000-0x000000000C500000-memory.dmp
                      Filesize

                      1024KB

                    • memory/3212-143-0x0000000004F60000-0x0000000004F70000-memory.dmp
                      Filesize

                      64KB

                    • memory/3212-152-0x000000000C400000-0x000000000C500000-memory.dmp
                      Filesize

                      1024KB

                    • memory/3212-142-0x0000000004F60000-0x0000000004F70000-memory.dmp
                      Filesize

                      64KB

                    • memory/3212-141-0x0000000004F60000-0x0000000004F70000-memory.dmp
                      Filesize

                      64KB

                    • memory/3212-133-0x00000000002E0000-0x000000000061A000-memory.dmp
                      Filesize

                      3.2MB

                    • memory/3212-138-0x0000000004F60000-0x0000000004F70000-memory.dmp
                      Filesize

                      64KB

                    • memory/3212-139-0x0000000004F60000-0x0000000004F70000-memory.dmp
                      Filesize

                      64KB

                    • memory/3212-137-0x0000000004F60000-0x0000000004F70000-memory.dmp
                      Filesize

                      64KB

                    • memory/3212-136-0x0000000004FF0000-0x0000000004FFA000-memory.dmp
                      Filesize

                      40KB

                    • memory/3212-135-0x0000000005070000-0x0000000005102000-memory.dmp
                      Filesize

                      584KB

                    • memory/3212-134-0x0000000005580000-0x0000000005B24000-memory.dmp
                      Filesize

                      5.6MB