Analysis

  • max time kernel
    1560s
  • max time network
    1560s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18/04/2024, 06:32

General

  • Target
    http://kekma.net
  • Sample240418-har44afa7v
Score
1/10

Malware Config

Signatures

  • 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 use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 3 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:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "http://kekma.net"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2784
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url http://kekma.net
      2⤵
      • 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:2972
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2972.0.1531625932\1474955273" -parentBuildID 20221007134813 -prefsHandle 1284 -prefMapHandle 1136 -prefsLen 20749 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {6ffeff05-9f87-4c2f-a260-1218cc5ffec4} 2972 "\\.\pipe\gecko-crash-server-pipe.2972" 1384 fed9458 gpu
        3⤵
          PID:2472
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2972.1.699018715\621689581" -parentBuildID 20221007134813 -prefsHandle 1536 -prefMapHandle 1532 -prefsLen 21610 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {394daea6-e9d9-4c49-956d-c8b4bda69bed} 2972 "\\.\pipe\gecko-crash-server-pipe.2972" 1564 d6fe58 socket
          3⤵
            PID:2644
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2972.2.9188042\981228772" -childID 1 -isForBrowser -prefsHandle 2100 -prefMapHandle 2096 -prefsLen 21648 -prefMapSize 233444 -jsInitHandle 804 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {ec4fe9d1-c109-47b6-8385-4cfb72e063bb} 2972 "\\.\pipe\gecko-crash-server-pipe.2972" 2112 1ac95c58 tab
            3⤵
              PID:2352
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2972.3.425253040\559235699" -childID 2 -isForBrowser -prefsHandle 676 -prefMapHandle 568 -prefsLen 26111 -prefMapSize 233444 -jsInitHandle 804 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {a44aa811-05bb-49b6-ba22-5b115649a533} 2972 "\\.\pipe\gecko-crash-server-pipe.2972" 2644 d68458 tab
              3⤵
                PID:1988
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2972.4.1486146754\837086938" -parentBuildID 20221007134813 -prefsHandle 3752 -prefMapHandle 3748 -prefsLen 26170 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {62b5e2f3-c151-4e60-93aa-8c3ea6bf546a} 2972 "\\.\pipe\gecko-crash-server-pipe.2972" 3764 205a1858 rdd
                3⤵
                  PID:2132
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2972.5.1481802835\1873891491" -parentBuildID 20221007134813 -sandboxingKind 1 -prefsHandle 3780 -prefMapHandle 3792 -prefsLen 26170 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {a8977365-1bca-4aeb-8e81-0640f762928f} 2972 "\\.\pipe\gecko-crash-server-pipe.2972" 3860 205a1e58 utility
                  3⤵
                    PID:2260
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2972.6.170677054\1291618356" -childID 3 -isForBrowser -prefsHandle 3976 -prefMapHandle 3972 -prefsLen 26170 -prefMapSize 233444 -jsInitHandle 804 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {cb9afe96-55cd-45d0-86e7-1d11271cf8b6} 2972 "\\.\pipe\gecko-crash-server-pipe.2972" 3988 2181e558 tab
                    3⤵
                      PID:904
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2972.7.210458792\2145945418" -childID 4 -isForBrowser -prefsHandle 4112 -prefMapHandle 4116 -prefsLen 26170 -prefMapSize 233444 -jsInitHandle 804 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {af67dd4c-ec35-469c-92dd-f4e68e2ce27e} 2972 "\\.\pipe\gecko-crash-server-pipe.2972" 4100 2181eb58 tab
                      3⤵
                        PID:2228
                      • C:\Program Files\Mozilla Firefox\firefox.exe
                        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2972.8.367880291\562417120" -childID 5 -isForBrowser -prefsHandle 4276 -prefMapHandle 4280 -prefsLen 26170 -prefMapSize 233444 -jsInitHandle 804 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {e23de36d-c6ca-4082-8a44-c0449d888f79} 2972 "\\.\pipe\gecko-crash-server-pipe.2972" 4264 2181f158 tab
                        3⤵
                          PID:2304

                    Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          29832

                          • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\ifb4waqr.default-release\cache2\doomed\29832
                          • Size 9KB
                          • SHA256 98a0234944077647f0f00126fb42abf074937f9605082e33368402ccfa2bff0b
                          • 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

                          6824f4a902c78fbd.customDestinations-ms

                          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6824f4a902c78fbd.customDestinations-ms
                          • Size 7KB
                          • SHA256 5e83830c777cefffa11f199d83f6fe7c294296e648c452a91eb0740c26374ea2
                          • MD5 SHA1 SHA512 SSDEEP

                          addonStartup.json.lz4

                          • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ifb4waqr.default-release\addonStartup.json.lz4
                          • Size 5KB
                          • SHA256 4d083a33487384e56dea0d5df8fbed64641a55a3b8d9d488b302f4d2dc1902ee
                          • MD5 SHA1 SHA512 SSDEEP

                          bookmarks-2024-04-18_11_6yj93pjkZ1VvUpkb4iMyog==.jsonlz4

                          • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ifb4waqr.default-release\bookmarkbackups\bookmarks-2024-04-18_11_6yj93pjkZ1VvUpkb4iMyog==.jsonlz4
                          • Size 939B
                          • SHA256 4a5d5662a3de7d12b21ccb4bef8f3c4463e24f6cd31178f5ab8723129b914f2d
                          • MD5 SHA1 SHA512

                          broadcast-listeners.json

                          • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ifb4waqr.default-release\broadcast-listeners.json
                          • Size 204B
                          • SHA256 9cf589357fceea2f37cd1a925e5d33fd517a44d22a16c357f7fb5d4d187034aa
                          • MD5 SHA1 SHA512

                          data.safe.bin

                          • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ifb4waqr.default-release\datareporting\glean\db\data.safe.bin
                          • Size 2KB
                          • SHA256 49129ae5f648c1d00399e8782afe045f6e74de932ee5345fdeebc72e77475f41
                          • MD5 SHA1 SHA512

                          5b5d3267-7bb5-4547-95c3-450a8caffb35

                          • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ifb4waqr.default-release\datareporting\glean\pending_pings\5b5d3267-7bb5-4547-95c3-450a8caffb35
                          • Size 11KB
                          • SHA256 c8f1e918ef5bdf9c4f889675f2243e39a91f10b0e16f1c6a7f5434965f5995d5
                          • MD5 SHA1 SHA512 SSDEEP

                          78470aa5-d260-457f-be6b-214d09338078

                          • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ifb4waqr.default-release\datareporting\glean\pending_pings\78470aa5-d260-457f-be6b-214d09338078
                          • Size 745B
                          • SHA256 076733e987b793b0348e7d2dd03f95dfded8769df99e0ed94353ac3bd8ed77cf
                          • MD5 SHA1 SHA512

                          gmpopenh264.dll

                          • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ifb4waqr.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\ifb4waqr.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\ifb4waqr.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\ifb4waqr.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\ifb4waqr.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\ifb4waqr.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\ifb4waqr.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\ifb4waqr.default-release\prefs-1.js
                          • Size 7KB
                          • SHA256 29c1e208d583c0c02e90f769fbc7b9da163640f2de640a3047937fe275443f53
                          • MD5 SHA1 SHA512 SSDEEP

                          prefs-1.js

                          • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ifb4waqr.default-release\prefs-1.js
                          • Size 6KB
                          • SHA256 97f7a726c8ff78b42c0bd4eb348904b80f10ad99fa61fa0b09258df1e2616b83
                          • MD5 SHA1 SHA512 SSDEEP

                          sessionCheckpoints.json

                          • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ifb4waqr.default-release\sessionCheckpoints.json
                          • Size 90B
                          • SHA256 00ad9799527c3fd21f3a85012565eae817490f3e0d417413bf9567bb5909f6a2
                          • MD5 SHA1 SHA512

                          recovery.jsonlz4

                          • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ifb4waqr.default-release\sessionstore-backups\recovery.jsonlz4
                          • Size 1KB
                          • SHA256 267c2d0cc15d5667967031cbc2414020e21183b2ee25497b8aa68a7ba5719dfd
                          • MD5 SHA1 SHA512

                          3870112724rsegmnoittet-es.sqlite

                          • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ifb4waqr.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
                          • Size 192KB
                          • SHA256 87a77035dc966c7c37ee85895be23a8f269436bb4dc8cab3705dd6c2e654ed5d
                          • MD5 SHA1 SHA512 SSDEEP

                          3870112724rsegmnoittet-es.sqlite

                          • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ifb4waqr.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
                          • Size 184KB
                          • SHA256 58921a53b724e10b301b06f351b1616a18915481601899b7a73801320723836d
                          • MD5 SHA1 SHA512 SSDEEP

                          targeting.snapshot.json

                          • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ifb4waqr.default-release\targeting.snapshot.json
                          • Size 3KB
                          • SHA256 eb90606b4ae00ff7232bf98ddf913b86d8e699ba457e244e063821a0d9d6290e
                          • MD5 SHA1 SHA512