Analysis

  • max time kernel
    123s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    03/11/2024, 03:48

General

  • Target
    file.exe
  • Size 898KB
  • Sample241103-ecsa4atgrf
  • SHA256 6c4bf8dc2f2c1cccb9a2470f1610c11397fe168e55972eb0aaee7e77afd5d3d6
  • 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:2976
    • 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:2988
    • 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:2456
    • 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:2348
    • 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:2280
    • 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:2760
    • 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:2120
      • 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:2656
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2656.0.1569814488\1639071460" -parentBuildID 20221007134813 -prefsHandle 1260 -prefMapHandle 1168 -prefsLen 20847 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {bfd11c83-f481-4d00-ab84-347ac0d4872f} 2656 "\\.\pipe\gecko-crash-server-pipe.2656" 1336 10cf6d58 gpu
          4⤵
            PID:2572
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2656.1.207125816\1302932918" -parentBuildID 20221007134813 -prefsHandle 1524 -prefMapHandle 1520 -prefsLen 21708 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {a3e4b1e3-9ae8-4ffe-901b-485deac78fc4} 2656 "\\.\pipe\gecko-crash-server-pipe.2656" 1548 43c8958 socket
            4⤵
              PID:2372
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2656.2.760100182\4921884" -childID 1 -isForBrowser -prefsHandle 1796 -prefMapHandle 1828 -prefsLen 21811 -prefMapSize 233444 -jsInitHandle 848 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {a45ba44c-c2aa-4cb7-9063-39442aacc30f} 2656 "\\.\pipe\gecko-crash-server-pipe.2656" 1924 10c5d058 tab
              4⤵
                PID:1144
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2656.3.936135318\164284000" -childID 2 -isForBrowser -prefsHandle 2880 -prefMapHandle 2876 -prefsLen 26216 -prefMapSize 233444 -jsInitHandle 848 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {e6015a38-c3f1-4886-bbe2-1dafc2e539bc} 2656 "\\.\pipe\gecko-crash-server-pipe.2656" 2892 1ccfb458 tab
                4⤵
                  PID:2312
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2656.4.1889809144\1628718217" -childID 3 -isForBrowser -prefsHandle 3812 -prefMapHandle 3804 -prefsLen 26275 -prefMapSize 233444 -jsInitHandle 848 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {74f19d95-d2f9-4e8d-b611-29336d1db028} 2656 "\\.\pipe\gecko-crash-server-pipe.2656" 3824 2194a458 tab
                  4⤵
                    PID:1080
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2656.5.46359939\593808997" -childID 4 -isForBrowser -prefsHandle 3920 -prefMapHandle 3924 -prefsLen 26275 -prefMapSize 233444 -jsInitHandle 848 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {26628ad6-13f9-4022-94a4-d2819155c91d} 2656 "\\.\pipe\gecko-crash-server-pipe.2656" 3912 21a1e858 tab
                    4⤵
                      PID:2660
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2656.6.1226828775\51466665" -childID 5 -isForBrowser -prefsHandle 4108 -prefMapHandle 4112 -prefsLen 26275 -prefMapSize 233444 -jsInitHandle 848 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {95875eaf-8b0a-4614-9b76-84eb7423a3d7} 2656 "\\.\pipe\gecko-crash-server-pipe.2656" 4092 21a1f458 tab
                      4⤵
                        PID:2772

                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\bz1ih2a5.default-release\activity-stream.discovery_stream.json.tmp
                      • Size 29KB
                      • SHA256 4847a774a0c9cff7d6ae8a7bab9acde1470fd541b6d30185de7d4fe067717eeb
                      • MD5 SHA1 SHA512 SSDEEP

                      asrouter.ftl

                      • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\bz1ih2a5.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\bz1ih2a5.default-release\datareporting\glean\db\data.safe.bin
                      • Size 9KB
                      • SHA256 51e6ff28151ff3683fa86406d997ce1ce34b119193ddcb34f919a1fcad303681
                      • MD5 SHA1 SHA512 SSDEEP

                      4434ed49-3bc5-487f-9aa0-1a310ba2094a

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bz1ih2a5.default-release\datareporting\glean\pending_pings\4434ed49-3bc5-487f-9aa0-1a310ba2094a
                      • Size 733B
                      • SHA256 eb342436803c19983e21663c60390e4796d05db4f2c361ae1681b43d45801885
                      • MD5 SHA1 SHA512

                      gmpopenh264.dll

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bz1ih2a5.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\bz1ih2a5.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\bz1ih2a5.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\bz1ih2a5.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\bz1ih2a5.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\bz1ih2a5.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\bz1ih2a5.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\bz1ih2a5.default-release\prefs-1.js
                      • Size 6KB
                      • SHA256 2d0737dc6fe0d750ea2da2c5a19921d84394ed5486f1fe9f794b7b5e6eb2db6e
                      • MD5 SHA1 SHA512 SSDEEP

                      prefs-1.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bz1ih2a5.default-release\prefs-1.js
                      • Size 6KB
                      • SHA256 d6b4dc20f172f2ca4d327ff2d9e1a537a222eb0c14ac1a71a3f99dd9573ec645
                      • MD5 SHA1 SHA512 SSDEEP

                      prefs-1.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bz1ih2a5.default-release\prefs-1.js
                      • Size 7KB
                      • SHA256 6f6b08447c4b92a04420cf2a411bf373c38ba16624b1f3e0e59ad51390340f22
                      • MD5 SHA1 SHA512 SSDEEP

                      prefs-1.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bz1ih2a5.default-release\prefs-1.js
                      • Size 7KB
                      • SHA256 f7bc017351d0b476f06362e28b96bd3a4e83334bee4858ecd081355e598f45b7
                      • MD5 SHA1 SHA512 SSDEEP

                      recovery.jsonlz4

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bz1ih2a5.default-release\sessionstore-backups\recovery.jsonlz4
                      • Size 4KB
                      • SHA256 ec76cb1621cd939d2e87f1082ab500751727f41fc8f0f8e2c67b4e00f5788bae
                      • MD5 SHA1 SHA512 SSDEEP

                      3870112724rsegmnoittet-es.sqlite

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bz1ih2a5.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
                      • Size 184KB
                      • SHA256 aafa700fb884f14becaf86a0eb9df79dfa15885b2ebe11cabe5f48a3a5d9e0e1
                      • MD5 SHA1 SHA512 SSDEEP