Analysis

  • max time kernel
    16s
  • max time network
    51s
  • platform
    windows10-1703_x64
  • resource
    win10-20231220-en
  • resource tags

    arch:x64arch:x86image:win10-20231220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    13-02-2024 06:37

General

  • Target

    link.txt

  • Size

    259B

  • MD5

    899d6b60cc700404ab76ff983f144143

  • SHA1

    51b9f18767efa907b13e7fe8269748799897aa90

  • SHA256

    d336b2a845b492526620586520357b9170397ba68cb9cac952880c3ccfc8b6aa

  • SHA512

    f59a995093b92606b8d25aac1969e961119ec0e4c44514a253d11960e9a1364facd5b4956e7b4c9904edee9efcddb346d8d5a999ae38a9e77a36458bf5051fda

Score
1/10

Malware Config

Signatures

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\NOTEPAD.EXE
    C:\Windows\system32\NOTEPAD.EXE C:\Users\Admin\AppData\Local\Temp\link.txt
    1⤵
    • Opens file in notepad (likely ransom note)
    PID:3536
  • C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe"
    1⤵
    • Checks processor information in registry
    PID:2988
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2988.0.881326192\1593220070" -parentBuildID 20221007134813 -prefsHandle 1700 -prefMapHandle 1692 -prefsLen 20747 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {847abf46-b6c8-4824-8d38-91da59d6bbfc} 2988 "\\.\pipe\gecko-crash-server-pipe.2988" 1780 26ab37d7958 gpu
      2⤵
        PID:3972
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2988.1.482583993\703993652" -parentBuildID 20221007134813 -prefsHandle 2124 -prefMapHandle 2120 -prefsLen 20828 -prefMapSize 233444 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {bacd6cfc-57dc-46d1-abaa-f2948cf4409c} 2988 "\\.\pipe\gecko-crash-server-pipe.2988" 2136 26aa1271958 socket
        2⤵
          PID:4364
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2988.2.434499969\73313765" -childID 1 -isForBrowser -prefsHandle 2844 -prefMapHandle 2860 -prefsLen 20866 -prefMapSize 233444 -jsInitHandle 1360 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {5e7b2222-fd07-4d81-ada4-beafedcf4a0a} 2988 "\\.\pipe\gecko-crash-server-pipe.2988" 2732 26ab375ab58 tab
          2⤵
            PID:668
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2988.3.1979056306\725977663" -childID 2 -isForBrowser -prefsHandle 3340 -prefMapHandle 3192 -prefsLen 26109 -prefMapSize 233444 -jsInitHandle 1360 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {1dcb90ef-6458-488c-9501-4342145001e5} 2988 "\\.\pipe\gecko-crash-server-pipe.2988" 3368 26aa1262558 tab
            2⤵
              PID:4392
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2988.4.2062766157\890374006" -childID 3 -isForBrowser -prefsHandle 4304 -prefMapHandle 4300 -prefsLen 26168 -prefMapSize 233444 -jsInitHandle 1360 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {0312d16f-bfcd-4b29-9890-13a54b5e37df} 2988 "\\.\pipe\gecko-crash-server-pipe.2988" 4312 26ab8d5d658 tab
              2⤵
                PID:4696
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2988.7.2107319604\1412202610" -childID 6 -isForBrowser -prefsHandle 5204 -prefMapHandle 5208 -prefsLen 26168 -prefMapSize 233444 -jsInitHandle 1360 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {cf73099e-972d-4f88-ae06-0b0f01429305} 2988 "\\.\pipe\gecko-crash-server-pipe.2988" 5196 26ab9ea9b58 tab
                2⤵
                  PID:932
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2988.6.1071285668\1326181227" -childID 5 -isForBrowser -prefsHandle 5036 -prefMapHandle 5040 -prefsLen 26168 -prefMapSize 233444 -jsInitHandle 1360 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {9d2b248a-7873-481d-93b0-1a7ba5824dfe} 2988 "\\.\pipe\gecko-crash-server-pipe.2988" 5028 26ab9ea9858 tab
                  2⤵
                    PID:1828
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2988.5.2080663188\1990497711" -childID 4 -isForBrowser -prefsHandle 4892 -prefMapHandle 4888 -prefsLen 26168 -prefMapSize 233444 -jsInitHandle 1360 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {53115c39-a785-406b-9511-254d01164e5a} 2988 "\\.\pipe\gecko-crash-server-pipe.2988" 4900 26aa125fb58 tab
                    2⤵
                      PID:4080
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2988.8.749307213\1707014135" -childID 7 -isForBrowser -prefsHandle 3140 -prefMapHandle 5232 -prefsLen 26249 -prefMapSize 233444 -jsInitHandle 1360 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {7dd17a4e-6c39-41f0-8703-70c560a5b3c6} 2988 "\\.\pipe\gecko-crash-server-pipe.2988" 5512 26ab5ac6258 tab
                      2⤵
                        PID:4672
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe"
                      1⤵
                      • Suspicious use of WriteProcessMemory
                      PID:2808

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\28jjyjhp.default-release\cache2\entries\2E52747CA0BFF4DA9B184EAAE0532CB41789E507

                      Filesize

                      56KB

                      MD5

                      e3b75adde24510a486c9b7d52c135ace

                      SHA1

                      5cf8f060f6e08e948d1251e006f3f8564e34f26d

                      SHA256

                      091eafb05eeb9967fad13ee3d912e6737a2401521c1e62c5efaa8c1d59dcc7b6

                      SHA512

                      22be46ed3cedf1bb496ea4c767a1a322087128d10dd016970e8750ad72129317affddedac551162194b55cca97b5ed8188b5df96f6a7750c3603c5a5254157ce

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\28jjyjhp.default-release\datareporting\glean\db\data.safe.bin

                      Filesize

                      2KB

                      MD5

                      dbb07f1600c18b3c098ab2fafe6b5559

                      SHA1

                      777bc48c5c585ad6b591e5cf4a5575a91bce3c89

                      SHA256

                      3da12f95d3e7122e3c9e9dff9d6cea7aa2aaade1ea855861559f6557edd30f4f

                      SHA512

                      c9decacad71e6bb1f3fc9a6794c0863b5d5be2a9d4af5eebdff35ef6d10fa6581bd3fe5da5e921557b92b6173bd94dad8cfe7ce0bef10950d5bcb3d54d8a9757

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\28jjyjhp.default-release\datareporting\glean\pending_pings\5b423cd8-9e3b-412f-a1d1-c195b01cd00c

                      Filesize

                      746B

                      MD5

                      7c1b2abda7257925d69b97837b09d747

                      SHA1

                      306c3250003a1633d4adcf9078c040890229a88c

                      SHA256

                      943c21d8a09b96232527b8e45bbf7a17bb4018c00813532c1c49ebe33d62fc6d

                      SHA512

                      71b1bda4c0d680687ec9ceaefb845d6c50c85b9e26dee8de3500be98ac1b3bb5f1ef0f4cc75f9f21ef323ec8850a433b8923a919411a89eaa4589dba0488842b

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\28jjyjhp.default-release\datareporting\glean\pending_pings\e85e1a77-501f-44d2-97cb-1917becb6b44

                      Filesize

                      11KB

                      MD5

                      022d5c7d557f170f0a68e8b799de37f2

                      SHA1

                      b02c78f1463c3335932895c680b0e12c10ade877

                      SHA256

                      82d8c250468dbd466760fe369020a73181eaa02dc4e0cb2423b905e112779af2

                      SHA512

                      1e9ff8f7e7bc8162a64f355e1fb5a3d63ab392bcc53c29ff0dc63823fd0502670787cc70362696d31288d8aebb07f2942580ba78f6bdfbfa2cbe3fe6879d5027

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\28jjyjhp.default-release\prefs-1.js

                      Filesize

                      6KB

                      MD5

                      14e64d585a0b3f1b418858cb71a70a18

                      SHA1

                      0f4e56f5eb38585f2eb3704f92dcba3231fa1971

                      SHA256

                      96a6a54572b69fb4e56f635cfe4f0d3aed7a3035d378f868adc2601f64e0f993

                      SHA512

                      974b985f3087db1bdc2f7d628bf9cc251923391950bfb4ca42dda78072fde40b0857bbc40ebc03e6a9da0bb79eea31725dad815c193063082d8c5bcde56741b9

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\28jjyjhp.default-release\sessionstore-backups\recovery.jsonlz4

                      Filesize

                      7KB

                      MD5

                      4f87847001c7ef16158d97c6580970d0

                      SHA1

                      6bf0078a23040c8bc7d576d1363bdf1dcb90e8bc

                      SHA256

                      9c2e5d03ff8c4f2f06ba167a1d8b583f956adec8544148de93ee2da82059dcb2

                      SHA512

                      47d6cb69e3221c5678d93ae58511b6e51beb1a5e556365b7fbe4f5e70373b9c9df079f052cac07e7be8aaea973b0ae0aecb76ae871a2b03b7dc24db4a1de6b4d

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\28jjyjhp.default-release\sessionstore-backups\recovery.jsonlz4

                      Filesize

                      1KB

                      MD5

                      74fffc0e9ad0521e3f1b407264809a3a

                      SHA1

                      b676322b47f30aa3ee329c924d533316b88e484a

                      SHA256

                      c2b6cc22d21f74a28967d72a0940cd2ab3b0844646897a8626c325efca646aee

                      SHA512

                      2786cdfcb64245c2a06e990cb290581045961298700239848b3c291a349b99e78c7dc6b3b79a14cfe3bb06da62af269a27497b3d2c6748b6a058a1eb98b8b6df

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\28jjyjhp.default-release\sessionstore-backups\recovery.jsonlz4

                      Filesize

                      7KB

                      MD5

                      caaab8268f60d9e5e2b378c74420a269

                      SHA1

                      b9080c2652b53cb3e3266946c66d14968f8b675c

                      SHA256

                      f0400febdc33128687b3464d9b8789a293362dfee5f2738391eca6ce8884de78

                      SHA512

                      f045b29893f8c30656f67bb67a724282fb2aa05d44367e908496e93c352f6a7223edde9306252fcebc0eb5d00804b49d8e53f7744ca28f2ca8432ebbe94144f9

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\28jjyjhp.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite

                      Filesize

                      184KB

                      MD5

                      4eda6874c272bffcb52d78ab368c2a95

                      SHA1

                      99b01e289a92aaaf6227ac0488c5f76fe05317c8

                      SHA256

                      32750c4de1eccb5d40a5689f9bb4eabfe23c04adcb470d761ee44ca88dbd778c

                      SHA512

                      9fddd56b0b0c80c26e0923dca26a96115f50ae066e8b2c21abc461c64c5b7b3749bf6c56c99804c25462abdd65bd2108d6573abf5eafac89b66f8a237f3bfa31