Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18/09/2024, 12:45

General

  • Target
    file.exe
  • Size 897KB
  • Sample240918-py23ja1eld
  • SHA256 a57b2d3bbba7664e5c2e804b27d16f68b6cc2fc727b06d5f0d814c14ae41e9dd
  • MD5 SHA1 SHA512 SSDEEP
Score
3/10

Malware Config

Signatures

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 6 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 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\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" --kiosk https://www.youtube.com/account
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1920
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" --kiosk https://www.youtube.com/account
        3⤵
        • Checks processor information in registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:2456
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2456.0.211582664\639575754" -parentBuildID 20221007134813 -prefsHandle 1288 -prefMapHandle 1272 -prefsLen 20847 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {87570d0e-c7c9-443d-a409-fff8f9e12d9e} 2456 "\\.\pipe\gecko-crash-server-pipe.2456" 1352 fceea58 gpu
          4⤵
            PID:2888
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2456.1.1045327746\1225203521" -parentBuildID 20221007134813 -prefsHandle 1540 -prefMapHandle 1536 -prefsLen 21708 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {387d5822-3141-408e-82f2-70f9c4f19803} 2456 "\\.\pipe\gecko-crash-server-pipe.2456" 1552 40f9258 socket
            4⤵
              PID:2620
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2456.2.828188777\1033379882" -childID 1 -isForBrowser -prefsHandle 1992 -prefMapHandle 1988 -prefsLen 21746 -prefMapSize 233444 -jsInitHandle 840 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {a1e7b77f-12ed-4e4c-aa41-0de8bf4d8d04} 2456 "\\.\pipe\gecko-crash-server-pipe.2456" 2004 1935ce58 tab
              4⤵
                PID:2660
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2456.3.1554646137\251709837" -childID 2 -isForBrowser -prefsHandle 2508 -prefMapHandle 2504 -prefsLen 26151 -prefMapSize 233444 -jsInitHandle 840 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {73e9cee3-845a-4372-b08e-93a3d011d58e} 2456 "\\.\pipe\gecko-crash-server-pipe.2456" 2520 e62258 tab
                4⤵
                  PID:2368
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2456.4.1195497896\1704124935" -childID 3 -isForBrowser -prefsHandle 3792 -prefMapHandle 3780 -prefsLen 26275 -prefMapSize 233444 -jsInitHandle 840 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {6dca2e1b-7395-45df-882f-1b1250f31085} 2456 "\\.\pipe\gecko-crash-server-pipe.2456" 3804 205be558 tab
                  4⤵
                    PID:2340
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2456.5.706723390\91485226" -childID 4 -isForBrowser -prefsHandle 3940 -prefMapHandle 3944 -prefsLen 26275 -prefMapSize 233444 -jsInitHandle 840 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {09b506da-f159-467b-b619-31f2fc0868c2} 2456 "\\.\pipe\gecko-crash-server-pipe.2456" 3932 1edf1858 tab
                    4⤵
                      PID:3060
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2456.6.2050989034\672445507" -childID 5 -isForBrowser -prefsHandle 4112 -prefMapHandle 4116 -prefsLen 26275 -prefMapSize 233444 -jsInitHandle 840 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {8070b532-eed8-4aa1-afda-77da8e9feb3b} 2456 "\\.\pipe\gecko-crash-server-pipe.2456" 4104 1edf0058 tab
                      4⤵
                        PID:1936

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      activity-stream.discovery_stream.json.tmp

                      • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\bs4a8d8y.default-release\activity-stream.discovery_stream.json.tmp
                      • Size 33KB
                      • SHA256 462ce96ae016c814fc138c976b27705e37de82c575dad53f2995595a3ff10e8a
                      • MD5 SHA1 SHA512 SSDEEP

                      tmpaddon

                      • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon
                      • Size 442KB
                      • SHA256 a9f4281f82b3579581c389e8583dc9f477c7fd0e20c9dfc91a2e611e21e3407e
                      • MD5 SHA1 SHA512 SSDEEP

                      tmpaddon-1

                      • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon-1
                      • Size 8.0MB
                      • SHA256 345d44e3aa3e1967d186a43d732c8051235c43458169a5d7d371780a6475ee42
                      • MD5 SHA1 SHA512 SSDEEP

                      data.safe.bin

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bs4a8d8y.default-release\datareporting\glean\db\data.safe.bin
                      • Size 2KB
                      • SHA256 6cfe0fa122ae129ec910486d6d9b563ae0207cfab5669127f19f867b9e4ab293
                      • MD5 SHA1 SHA512

                      47cfb145-5147-4229-b308-549b9f5d72ca

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bs4a8d8y.default-release\datareporting\glean\pending_pings\47cfb145-5147-4229-b308-549b9f5d72ca
                      • Size 11KB
                      • SHA256 970a1fee295175128fdade92e9d4a74c90cf3a0eebc0cd2336330c7e76dc9fec
                      • MD5 SHA1 SHA512 SSDEEP

                      50101f3a-8cbb-4ca3-982a-7220b79c7530

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bs4a8d8y.default-release\datareporting\glean\pending_pings\50101f3a-8cbb-4ca3-982a-7220b79c7530
                      • Size 745B
                      • SHA256 89ef858b32d91d9110e6d4a5eb3b5556fcdb9aac4412be70f3e297bbac336780
                      • MD5 SHA1 SHA512

                      gmpopenh264.dll

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bs4a8d8y.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.dll
                      • Size 997KB
                      • SHA256 1ed7877024be63a049da98733fd282c16bd620530a4fb580dacec3a78ace914e
                      • MD5 SHA1 SHA512 SSDEEP

                      gmpopenh264.info

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bs4a8d8y.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.info
                      • Size 116B
                      • SHA256 f526e9f98841d987606efeaff7f3e017ba9fd516c4be83890c7f9a093ea4c47b
                      • MD5 SHA1 SHA512

                      LICENSE.txt

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bs4a8d8y.default-release\gmp-widevinecdm\4.10.2557.0\LICENSE.txt
                      • Size 479B
                      • SHA256 2af127b4e00f7303de8271996c0c681063e4dc7abdc7b2a8c3fe5932b9352539
                      • MD5 SHA1 SHA512

                      manifest.json

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bs4a8d8y.default-release\gmp-widevinecdm\4.10.2557.0\manifest.json
                      • Size 372B
                      • SHA256 e92d3394635edfb987a7528e0ccd24360e07a299078df2a6967ca3aae22fa2dd
                      • MD5 SHA1 SHA512

                      widevinecdm.dll

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bs4a8d8y.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll
                      • Size 11.8MB
                      • SHA256 8ee42d9258e20bbc5bfdfae61605429beb5421ffeaaa0d02b86d4978f4b4ac4e
                      • MD5 SHA1 SHA512 SSDEEP

                      widevinecdm.dll.lib

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bs4a8d8y.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.lib
                      • Size 1KB
                      • SHA256 33899a3ebc22cb8ed8de7bd48c1c29486c0279b06d7ef98241c92aef4e3b9237
                      • MD5 SHA1 SHA512

                      widevinecdm.dll.sig

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bs4a8d8y.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.sig
                      • Size 1KB
                      • SHA256 68a03f075db104f84afdd8fca45a7e4bff7b55dc1a2a24272b3abe16d8759c81
                      • MD5 SHA1 SHA512

                      prefs-1.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bs4a8d8y.default-release\prefs-1.js
                      • Size 6KB
                      • SHA256 10772410e84cbd4c4ad40b51189478aac2c45554e4f56ce2a80af16bfa7ef309
                      • MD5 SHA1 SHA512 SSDEEP

                      prefs-1.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bs4a8d8y.default-release\prefs-1.js
                      • Size 7KB
                      • SHA256 bd16c0cc9ae8d4e02551bc8c669e20b00ae0a9656c8aaa3ae01104333db2d295
                      • MD5 SHA1 SHA512 SSDEEP

                      prefs.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bs4a8d8y.default-release\prefs.js
                      • Size 6KB
                      • SHA256 b8fdab0499fe86da9120ef97e19ac4f1d72ccebeea7d668d1790e81e0b80b11c
                      • MD5 SHA1 SHA512 SSDEEP

                      prefs.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bs4a8d8y.default-release\prefs.js
                      • Size 7KB
                      • SHA256 a36bc3e7c81e321beb8dc6981834cc9a40e477dc013f6397011e17e0855eeaee
                      • MD5 SHA1 SHA512 SSDEEP

                      recovery.jsonlz4

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bs4a8d8y.default-release\sessionstore-backups\recovery.jsonlz4
                      • Size 4KB
                      • SHA256 911b6fb8c268d2480d5ed038b7eed202d8a1796221ed1b8c82ee57070b5c5c21
                      • MD5 SHA1 SHA512 SSDEEP