Analysis

  • max time kernel
    1162s
  • max time network
    1167s
  • platform
    windows10-1703_x64
  • resource
    win10-20230703-en
  • resource tags

    arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system
  • submitted
    09-08-2023 17:14

General

  • Target

    MicrosoftEdgeUpdateSetup_X86_1.3.177.11.exe

  • Size

    1.5MB

  • MD5

    71b072f0a3d4b9e580a8bcd523403d43

  • SHA1

    06bac910ad59cfa7ef323096d2c6728496b5e995

  • SHA256

    a86d9f7c545953074b8b9c18474e953db73a9ba8e9ca50cbb3e5d97a7347fe4d

  • SHA512

    8e668cb63d2b2092c81c8ef8e5eeacc01a34cc8b1eb7959bdd6104337a9a491650e41412dedbc5dca620320223694902d99d4213c95fed90799b262799a6a554

  • SSDEEP

    24576:dwy53G70SeiN9YqxCCg83udcWXDYajPF2410wuRpGfFki94qSe/wsNfzUT:Cy53w24gQu3TPZ2psFkiSqwozi

Score
4/10

Malware Config

Signatures

  • Drops file in Program Files directory 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MicrosoftEdgeUpdateSetup_X86_1.3.177.11.exe
    "C:\Users\Admin\AppData\Local\Temp\MicrosoftEdgeUpdateSetup_X86_1.3.177.11.exe"
    1⤵
    • Drops file in Program Files directory
    PID:4852
  • C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5036
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4172
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4172.0.133272706\1979937643" -parentBuildID 20221007134813 -prefsHandle 1720 -prefMapHandle 1712 -prefsLen 20936 -prefMapSize 232675 -appDir "C:\Program Files\Mozilla Firefox\browser" - {f91b8161-f38c-464d-97ad-d919bfa05c79} 4172 "\\.\pipe\gecko-crash-server-pipe.4172" 1796 19d2bcf6858 gpu
        3⤵
          PID:820
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4172.1.1742152772\631190770" -parentBuildID 20221007134813 -prefsHandle 2124 -prefMapHandle 2120 -prefsLen 21017 -prefMapSize 232675 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {19c2936c-0224-4e3d-9c5e-56cf1960350c} 4172 "\\.\pipe\gecko-crash-server-pipe.4172" 2140 19d19971358 socket
          3⤵
            PID:368
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4172.2.970390465\273501014" -childID 1 -isForBrowser -prefsHandle 2928 -prefMapHandle 2920 -prefsLen 21120 -prefMapSize 232675 -jsInitHandle 1304 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {1525ef7c-4ca1-4178-9e6b-2771e9fa494d} 4172 "\\.\pipe\gecko-crash-server-pipe.4172" 3080 19d2fcb1858 tab
            3⤵
              PID:2588
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4172.3.933094637\1183455410" -childID 2 -isForBrowser -prefsHandle 3456 -prefMapHandle 3452 -prefsLen 26480 -prefMapSize 232675 -jsInitHandle 1304 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {5282ccdd-94fc-4c4a-ab9d-b20af41e799c} 4172 "\\.\pipe\gecko-crash-server-pipe.4172" 3460 19d2e4def58 tab
              3⤵
                PID:4916
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4172.4.3658466\1660643214" -childID 3 -isForBrowser -prefsHandle 3484 -prefMapHandle 3592 -prefsLen 26539 -prefMapSize 232675 -jsInitHandle 1304 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {4808286b-de37-429a-a4ab-c530fc3139e8} 4172 "\\.\pipe\gecko-crash-server-pipe.4172" 4404 19d31ebbf58 tab
                3⤵
                  PID:3272
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4172.5.513763620\651387941" -childID 4 -isForBrowser -prefsHandle 4724 -prefMapHandle 4760 -prefsLen 26539 -prefMapSize 232675 -jsInitHandle 1304 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {24c3abd6-d01c-4221-b11c-14a24034e2a2} 4172 "\\.\pipe\gecko-crash-server-pipe.4172" 4712 19d3246e558 tab
                  3⤵
                    PID:4528
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4172.7.1592205892\325891970" -childID 6 -isForBrowser -prefsHandle 5216 -prefMapHandle 5220 -prefsLen 26539 -prefMapSize 232675 -jsInitHandle 1304 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {a8de6c7a-8af6-4986-91f8-773ba1f7d63e} 4172 "\\.\pipe\gecko-crash-server-pipe.4172" 5208 19d3246f158 tab
                    3⤵
                      PID:3956
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4172.6.1905794791\675427521" -childID 5 -isForBrowser -prefsHandle 5020 -prefMapHandle 5024 -prefsLen 26539 -prefMapSize 232675 -jsInitHandle 1304 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {3e54ce3f-cbce-4810-ba1e-48d4a9f4c94d} 4172 "\\.\pipe\gecko-crash-server-pipe.4172" 5012 19d3246f758 tab
                      3⤵
                        PID:4468

                  Network

                  MITRE ATT&CK Matrix

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\q2ft4sxy.default-release\activity-stream.discovery_stream.json.tmp

                    Filesize

                    153KB

                    MD5

                    db54435a62e6dabefd6b5a1670e5ddb8

                    SHA1

                    4f9e16d75652e02d81a40634a9657713b3e31f9a

                    SHA256

                    0182085fef072342cdac806ceb3a7e3fd77ffa801820437b73c4abc24278c498

                    SHA512

                    81aeebea3544109ffafd09682d9531acba90a0d84cb2420f91fe952dd77c78a8aff6b2ffcdbd7fc324b33673d170ea19702732cc0e4c6bced3475a7f103c67fa

                  • C:\Users\Admin\AppData\Local\Temp\tmpaddon

                    Filesize

                    442KB

                    MD5

                    85430baed3398695717b0263807cf97c

                    SHA1

                    fffbee923cea216f50fce5d54219a188a5100f41

                    SHA256

                    a9f4281f82b3579581c389e8583dc9f477c7fd0e20c9dfc91a2e611e21e3407e

                    SHA512

                    06511f1f6c6d44d076b3c593528c26a602348d9c41689dbf5ff716b671c3ca5756b12cb2e5869f836dedce27b1a5cfe79b93c707fd01f8e84b620923bb61b5f1

                  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6824f4a902c78fbd.customDestinations-ms

                    Filesize

                    5KB

                    MD5

                    290b29cecbdcb8ea5b56c3bf11002e82

                    SHA1

                    1128b59cf2325b7e18a1675af40935552257c04a

                    SHA256

                    3c17ad8f262fcba568002f59d7bd10e6d8464b67a8b0dd926daedc44c1cc9062

                    SHA512

                    dffe0d38b643ef32b412bfd791314841b422a84f13c3e2188d94b196ee451f68298897b1c6e06eed0aa4eda9651b81dabda931cd421e0e01b174c9eca2502f3d

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\q2ft4sxy.default-release\addonStartup.json.lz4

                    Filesize

                    5KB

                    MD5

                    f24254bcaea50213bb4429af5c22d89e

                    SHA1

                    0d7c7b17a8473e51778939a21c43b306534ff2b4

                    SHA256

                    2b2dd7ae9214891359c6d2f9ba6f70ace68f13b3f6860893f9931f1fc485c096

                    SHA512

                    f737def202feb62f6785e47f58a1ddcc29766ddada1104c7d307f14a6c79c94f109c3735ace1ba2d89155c3e576cc1ec7915206e8f6a5e7a5a031618f8cd2f40

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\q2ft4sxy.default-release\bookmarkbackups\bookmarks-2023-07-03_11_bRfbUc1TtLLbY0m+huMDkw==.jsonlz4

                    Filesize

                    941B

                    MD5

                    79a55a772c2327682c06848b481f5c9f

                    SHA1

                    4334b9c8d15e7702eb5a9bf8272aae309408f9d4

                    SHA256

                    3565b755c23f20181a20ed57188c98caae4d19c3bbb7a4fb830d744e8ff1a352

                    SHA512

                    4507e5bd9356d3b2fcd676b10bf6ba953e18a4598cedfacdfae1111a120d3459e52afd2c09df086d3e823c24b6a3cd53d46b14b78b93008910f5bdd242d82270

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\q2ft4sxy.default-release\broadcast-listeners.json

                    Filesize

                    204B

                    MD5

                    72c95709e1a3b27919e13d28bbe8e8a2

                    SHA1

                    00892decbee63d627057730bfc0c6a4f13099ee4

                    SHA256

                    9cf589357fceea2f37cd1a925e5d33fd517a44d22a16c357f7fb5d4d187034aa

                    SHA512

                    613ca9dd2d12afe31fb2c4a8d9337eeecfb58dabaeaaba11404b9a736a4073dfd9b473ba27c1183d3cc91d5a9233a83dce5a135a81f755d978cea9e198209182

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\q2ft4sxy.default-release\gmp-gmpopenh264\1.8.1.1\gmpopenh264.dll

                    Filesize

                    997KB

                    MD5

                    fe3355639648c417e8307c6d051e3e37

                    SHA1

                    f54602d4b4778da21bc97c7238fc66aa68c8ee34

                    SHA256

                    1ed7877024be63a049da98733fd282c16bd620530a4fb580dacec3a78ace914e

                    SHA512

                    8f4030bb2464b98eccbea6f06eb186d7216932702d94f6b84c56419e9cf65a18309711ab342d1513bf85aed402bc3535a70db4395874828f0d35c278dd2eac9c

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\q2ft4sxy.default-release\gmp-gmpopenh264\1.8.1.1\gmpopenh264.info

                    Filesize

                    116B

                    MD5

                    3d33cdc0b3d281e67dd52e14435dd04f

                    SHA1

                    4db88689282fd4f9e9e6ab95fcbb23df6e6485db

                    SHA256

                    f526e9f98841d987606efeaff7f3e017ba9fd516c4be83890c7f9a093ea4c47b

                    SHA512

                    a4a96743332cc8ef0f86bc2e6122618bfc75ed46781dadbac9e580cd73df89e74738638a2cccb4caa4cbbf393d771d7f2c73f825737cdb247362450a0d4a4bc1

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\q2ft4sxy.default-release\prefs-1.js

                    Filesize

                    7KB

                    MD5

                    0a9590daf856c6613cab4baac1abdbd0

                    SHA1

                    0d0c8ff69a0bfbeffb1d6edd6932acf537cc8fcc

                    SHA256

                    c44004d1f3c56c8b611b3f043f52f59b708262d3367ea7b6a13fa5661053313a

                    SHA512

                    af033027530f63e160ba882de7e67d60efd864e31751ea6d74e248af010bf73d5a3efc34bbf43c3c161e6bd1c1472708d7c88c37f4555fd1cea07cef14660e82

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\q2ft4sxy.default-release\prefs-1.js

                    Filesize

                    7KB

                    MD5

                    6a77da48da36f309d433e52af1322997

                    SHA1

                    92431fd9f1b2ebffe2bafada507e8da59fafb3a6

                    SHA256

                    38a1323384b6c61075e9d1ebc6c789065c7f486c8fa199b7282d1505899cc105

                    SHA512

                    542347230d32ebc8aa916a54569a4f9a0a898b0ea9b68e547053d7227ee314e42b482996972333dd4a89952a636f745f122cf3f2b0fcadfba568566d5d9d0488

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\q2ft4sxy.default-release\prefs-1.js

                    Filesize

                    7KB

                    MD5

                    5526232ca084ae5c757f1d3187a60655

                    SHA1

                    7089f25b830bdfb00602b2c907fb54b2853a6585

                    SHA256

                    4ddfa7114d23d41fd253802df54bc49997910178791fb0ef4787943ddcc672f7

                    SHA512

                    dbb724b73198719f6e9fafa7ea9b2079064af152d0b6a5745fcb56ef171fbbae57d01f0bab996961d5788298c93d8c23eabdfb6e6d8d61981f5cc4f0777af02d

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\q2ft4sxy.default-release\sessionstore-backups\recovery.jsonlz4

                    Filesize

                    1KB

                    MD5

                    8efc39e8eab6259a81a7c07580035b08

                    SHA1

                    9ec0ae39fbe11f1181523566d24f48a8fbb7d7da

                    SHA256

                    a1fa5b6b1a8ad21b4125e29b2b7cc94789719aa4b7107234dea9851dfdb5f2c2

                    SHA512

                    812b0f1f62d799f83cd24300654a32ad5aee85ae4a58e8bfe42108bf41ce10342e289b422915df321f3637db4ea4a2885c5b55892ff9bedbb8b987f700daf05f

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\q2ft4sxy.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite

                    Filesize

                    192KB

                    MD5

                    6e9e2984b81eb348c63dc5441dfb73f2

                    SHA1

                    fe6bc31aefebf296144f516f44c077cb81e0ece3

                    SHA256

                    de2b41e25b7778ea555c5097e4776cc5304b3cb2eb9db4879724cc5b14757c6c

                    SHA512

                    59426806f45b992258f8b7a2d98e8c8656f4c95f446c4a52b1eb3cc76bb2ad4838c7436473aab2d60a302b027c29ec4e46aadc9b0cb9373d9d89b952b89b8d9d