Analysis

  • max time kernel
    124s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02/12/2024, 00:58

General

  • Target
    file.exe
  • Size 900KB
  • Sample241202-bbg7ys1lav
  • SHA256 caeb8c4427dbf2bbd08b88bfdcf218b2b00d6967c5eb508b5bd90d7b8c7cfa39
  • MD5 SHA1 SHA512 SSDEEP
Score
3/10

Malware Config

Signatures

  • System Location Discovery: System Language Discovery 1 TTPs 6 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.

  • Kills process with taskkill 5 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 14 IoCs
  • Suspicious use of SendNotifyMessage 13 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: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2408
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM firefox.exe /T
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:1312
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM chrome.exe /T
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:2460
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM msedge.exe /T
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:2876
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM opera.exe /T
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:2760
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM brave.exe /T
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:2940
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" --kiosk "https://youtube.com/account?=https://accounts.google.com/v3/signin/challenge/pwd" --no-default-browser-check --disable-popup-blocking
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2640
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" --kiosk https://youtube.com/account?=https://accounts.google.com/v3/signin/challenge/pwd --no-default-browser-check --disable-popup-blocking
        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:3004
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3004.0.1003188370\1966091087" -parentBuildID 20221007134813 -prefsHandle 1220 -prefMapHandle 1212 -prefsLen 20847 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {a22bdd79-f3e4-467b-9d84-e961e7d95015} 3004 "\\.\pipe\gecko-crash-server-pipe.3004" 1284 123f6b58 gpu
          4⤵
            PID:1800
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3004.1.1980588377\2031214394" -parentBuildID 20221007134813 -prefsHandle 1488 -prefMapHandle 1484 -prefsLen 21708 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {13257a3b-7f84-4098-a6fb-4900daffb50a} 3004 "\\.\pipe\gecko-crash-server-pipe.3004" 1500 d73958 socket
            4⤵
              PID:2952
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3004.2.2068430967\1175195097" -childID 1 -isForBrowser -prefsHandle 1952 -prefMapHandle 1928 -prefsLen 21811 -prefMapSize 233444 -jsInitHandle 828 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {92ca9640-67bf-4aef-8789-0e559240de99} 3004 "\\.\pipe\gecko-crash-server-pipe.3004" 1820 1a0d1458 tab
              4⤵
                PID:532
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3004.3.1607361252\1421968562" -childID 2 -isForBrowser -prefsHandle 2920 -prefMapHandle 2916 -prefsLen 26216 -prefMapSize 233444 -jsInitHandle 828 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {78e10ecc-5f31-4e01-be91-ec8f7e0f4554} 3004 "\\.\pipe\gecko-crash-server-pipe.3004" 2932 1cc1ee58 tab
                4⤵
                  PID:1752
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3004.4.1872727890\1801972846" -childID 3 -isForBrowser -prefsHandle 3780 -prefMapHandle 3776 -prefsLen 26275 -prefMapSize 233444 -jsInitHandle 828 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {554a01c6-ffa7-49c3-803e-2c63ee96bee3} 3004 "\\.\pipe\gecko-crash-server-pipe.3004" 3792 1f5a6b58 tab
                  4⤵
                    PID:2464
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3004.5.57094106\1162728950" -childID 4 -isForBrowser -prefsHandle 3920 -prefMapHandle 3924 -prefsLen 26275 -prefMapSize 233444 -jsInitHandle 828 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {74e33ebc-08b7-4fa9-b833-03788867a791} 3004 "\\.\pipe\gecko-crash-server-pipe.3004" 3912 20fdb258 tab
                    4⤵
                      PID:3016
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3004.6.1133479971\1097961953" -childID 5 -isForBrowser -prefsHandle 4092 -prefMapHandle 3912 -prefsLen 26275 -prefMapSize 233444 -jsInitHandle 828 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {a0ae1dfa-7019-41da-b16b-df10ed80ceae} 3004 "\\.\pipe\gecko-crash-server-pipe.3004" 4080 1ec8a758 tab
                      4⤵
                        PID:1600

                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 29KB
                      • SHA256 4d5a9f8a9311f251e0c21984ffa42f2f6a9708014accca5a0bdd2fe902976ece
                      • MD5 SHA1 SHA512 SSDEEP

                      asrouter.ftl

                      • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\bs4a8d8y.default-release\settings\main\ms-language-packs\browser\newtab\asrouter.ftl
                      • Size 13KB
                      • SHA256 402571262fd1f6dca336f822ceb0ec2a368a25dfe2f4bfa13b45c983e88b6069
                      • 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 9KB
                      • SHA256 8af3076104061843bff365d4c57946aa78f445b416eeb7522b2a4b7dd4390c20
                      • MD5 SHA1 SHA512 SSDEEP

                      60439085-37f9-45c4-b2a0-6bdea9be41f7

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bs4a8d8y.default-release\datareporting\glean\pending_pings\60439085-37f9-45c4-b2a0-6bdea9be41f7
                      • Size 733B
                      • SHA256 552c5ff160ef6989355eda3042b33b5ce7bc6e5c94e7192aa4c68e2e5471e8e1
                      • 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 7KB
                      • SHA256 2a63046f79d4353226a859a1598985069b3de1d252cbf11362a1fc3688af71ed
                      • MD5 SHA1 SHA512 SSDEEP

                      prefs-1.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bs4a8d8y.default-release\prefs-1.js
                      • Size 6KB
                      • SHA256 0086e0e8b0eb9de9c4a23c74980f1982c4901fb8dd9260a13da905d428fad90e
                      • 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 3d3d5b0a8bb0b54778aa5e2d0bf68746488401ebab37f6fea5d597189f1f8411
                      • MD5 SHA1 SHA512 SSDEEP

                      prefs.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bs4a8d8y.default-release\prefs.js
                      • Size 6KB
                      • SHA256 240b5be69d50441d8f40c533c521c5bc1c39e4e532c349bd2a20a7455f657f1f
                      • 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 069443e68dbec8451e8e5d5101d0dc78edc71ed126899e5b8333099521def208
                      • MD5 SHA1 SHA512 SSDEEP