Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06/11/2024, 13:27

General

  • Target
    keygen-step-4.exe
  • Size 6.8MB
  • Sample241106-qqjfws1cmd
  • SHA256 97ada84ef77a3b45abd2e14caf519e06bbbad5a6ed180aa6ee543e38e9bce796
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • ffdroider

C2
  • http://101.36.107.74

Signatures

  • Detect Fabookie payload 1 IoCs
  • FFDroider

    Stealer targeting social media platform users first seen in April 2022.

  • Fabookie

    Fabookie is facebook account info stealer.

  • Fabookie family
  • Ffdroider family
  • Detected Nirsoft tools 3 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • Executes dropped EXE 11 IoCs
  • Loads dropped DLL 35 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops Chrome extension 1 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Writes to the Master Boot Record (MBR) 1 TTPs 3 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 10 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 23 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 8 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Kills process with taskkill 1 IoCs
  • Modifies data under HKEY_USERS 43 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Runs ping.exe 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\keygen-step-4.exe
    "C:\Users\Admin\AppData\Local\Temp\keygen-step-4.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1624
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Setup.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:2652
      • C:\Windows\SysWOW64\msiexec.exe
        msiexec.exe /i "C:\Users\Admin\AppData\Local\Temp\gdiview.msi"
        3⤵
        • Enumerates connected drives
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        PID:2216
      • C:\Users\Admin\AppData\Local\Temp\6489A2274AE24900.exe
        C:\Users\Admin\AppData\Local\Temp\6489A2274AE24900.exe 0011 installp1
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Writes to the Master Boot Record (MBR)
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:976
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe"
          4⤵
            PID:408
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe"
            4⤵
              PID:2124
            • C:\Users\Admin\AppData\Local\Temp\download\ThunderFW.exe
              C:\Users\Admin\AppData\Local\Temp\download\ThunderFW.exe ThunderFW "C:\Users\Admin\AppData\Local\Temp\download\MiniThunderPlatform.exe"
              4⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              PID:876
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c ping 127.0.0.1 -n 3 & del "C:\Users\Admin\AppData\Local\Temp\6489A2274AE24900.exe"
              4⤵
              • System Location Discovery: System Language Discovery
              • System Network Configuration Discovery: Internet Connection Discovery
              PID:1868
              • C:\Windows\SysWOW64\PING.EXE
                ping 127.0.0.1 -n 3
                5⤵
                • System Location Discovery: System Language Discovery
                • System Network Configuration Discovery: Internet Connection Discovery
                • Runs ping.exe
                PID:1036
          • C:\Users\Admin\AppData\Local\Temp\6489A2274AE24900.exe
            C:\Users\Admin\AppData\Local\Temp\6489A2274AE24900.exe 200 installp1
            3⤵
            • Executes dropped EXE
            • Drops Chrome extension
            • Writes to the Master Boot Record (MBR)
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2476
            • C:\Windows\SysWOW64\cmd.exe
              cmd.exe /c taskkill /f /im chrome.exe
              4⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1816
              • C:\Windows\SysWOW64\taskkill.exe
                taskkill /f /im chrome.exe
                5⤵
                • System Location Discovery: System Language Discovery
                • Kills process with taskkill
                PID:2176
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c ping 127.0.0.1 -n 3 & del "C:\Users\Admin\AppData\Local\Temp\6489A2274AE24900.exe"
              4⤵
              • System Location Discovery: System Language Discovery
              • System Network Configuration Discovery: Internet Connection Discovery
              PID:1748
              • C:\Windows\SysWOW64\PING.EXE
                ping 127.0.0.1 -n 3
                5⤵
                • System Location Discovery: System Language Discovery
                • System Network Configuration Discovery: Internet Connection Discovery
                • Runs ping.exe
                PID:1520
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ping 127.0.0.1 -n 3 & del "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Setup.exe"
            3⤵
            • System Location Discovery: System Language Discovery
            • System Network Configuration Discovery: Internet Connection Discovery
            • Suspicious use of WriteProcessMemory
            PID:988
            • C:\Windows\SysWOW64\PING.EXE
              ping 127.0.0.1 -n 3
              4⤵
              • System Location Discovery: System Language Discovery
              • System Network Configuration Discovery: Internet Connection Discovery
              • Runs ping.exe
              PID:560
        • C:\Users\Admin\AppData\Local\Temp\RarSFX0\md2_2efs.exe
          "C:\Users\Admin\AppData\Local\Temp\RarSFX0\md2_2efs.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1900
        • C:\Users\Admin\AppData\Local\Temp\RarSFX0\file.exe
          "C:\Users\Admin\AppData\Local\Temp\RarSFX0\file.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Modifies system certificate store
          PID:1336
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c ping 127.0.0.1 && del "C:\Users\Admin\AppData\Local\Temp\RarSFX0\file.exe" >> NUL
            3⤵
            • System Location Discovery: System Language Discovery
            • System Network Configuration Discovery: Internet Connection Discovery
            PID:1560
            • C:\Windows\SysWOW64\PING.EXE
              ping 127.0.0.1
              4⤵
              • System Location Discovery: System Language Discovery
              • System Network Configuration Discovery: Internet Connection Discovery
              • Runs ping.exe
              PID:2544
        • C:\Users\Admin\AppData\Local\Temp\RarSFX0\BTRSetp.exe
          "C:\Users\Admin\AppData\Local\Temp\RarSFX0\BTRSetp.exe"
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:1196
          • C:\Users\Admin\AppData\Local\Temp\RarSFX1\installer.exe
            "C:\Users\Admin\AppData\Local\Temp\RarSFX1\installer.exe"
            3⤵
            • Executes dropped EXE
            PID:2864
        • C:\Users\Admin\AppData\Local\Temp\RarSFX0\gdrrr.exe
          "C:\Users\Admin\AppData\Local\Temp\RarSFX0\gdrrr.exe"
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          PID:2300
          • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
            C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
            3⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:1084
          • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
            C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
            3⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            PID:2468
      • C:\Windows\system32\msiexec.exe
        C:\Windows\system32\msiexec.exe /V
        1⤵
        • Loads dropped DLL
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2424
        • C:\Windows\syswow64\MsiExec.exe
          C:\Windows\syswow64\MsiExec.exe -Embedding 99B6AD8E38F322291751F0899FC78603 C
          2⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:2900
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
          PID:856
        • C:\Windows\system32\DrvInst.exe
          DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "000000000000005C" "000000000000056C"
          1⤵
          • Drops file in Windows directory
          • Modifies data under HKEY_USERS
          PID:880

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              f77697f.rbs

              • Path C:\Config.Msi\f77697f.rbs
              • Size 8KB
              • SHA256 78952a41ff52d0b3a65af6eb6cdc3506def18d6302c1d52b1cee0c4ca1eb216d
              • MD5 SHA1 SHA512 SSDEEP

              94308059B57B3142E455B38A6EB92015

              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
              • Size 342B
              • SHA256 bf2d74fe8cea96de6cd0ffcb91d3e3fe10c3ae37a69db614d32c96e65dadc54e
              • MD5 SHA1 SHA512

              Login Data1730899691996

              • Path C:\Users\Admin\AppData\Local\Login Data1730899691996
              • Size 46KB
              • SHA256 522cad95d3fa6ebb3274709b8d09bbb1ca37389d0a924cd29e934a75aa04c6c9
              • MD5 SHA1 SHA512 SSDEEP

              Cab7E75.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\Cab7E75.tmp
              • Size 70KB
              • SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
              • MD5 SHA1 SHA512 SSDEEP

              MSI944.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\MSI944.tmp
              • Size 6KB
              • SHA256 809aab5eace34dfbfb2b3d45462d42b34fcb95b415201d0d625414b56e437444
              • MD5 SHA1 SHA512 SSDEEP

              Tar7EE5.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\Tar7EE5.tmp
              • Size 181KB
              • SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
              • MD5 SHA1 SHA512 SSDEEP

              fj4ghga23_fsa.txt

              • Path C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
              • Size 31B
              • SHA256 fe9e28ff0b652e22a124b0a05382bc1ac48cbd9c7c76ca647b0c9f8542888f66
              • MD5 SHA1 SHA512

              gdiview.msi

              • Path C:\Users\Admin\AppData\Local\Temp\gdiview.msi
              • Size 231KB
              • SHA256 dbd9f2128f0b92b21ef99a1d7a0f93f14ebe475dba436d8b1562677821b918a1
              • MD5 SHA1 SHA512 SSDEEP

              3647222921wleabcEoxlt-eengsairo.sqlite

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\1009pdhg.Admin\storage\default\moz-extension+++c9cdd9b2-a8a6-4f4c-8167-86f19e1820e6^userContextId=4294967295\idb\3647222921wleabcEoxlt-eengsairo.sqlite
              • Size 48KB
              • SHA256 5c1fffc1e126ebbc19e4ef0cff60d5a0278cc57868737157746827acf7248ba2
              • MD5 SHA1 SHA512 SSDEEP

              GDIView.exe

              • Path \Program Files (x86)\gdiview\gdiview\GDIView.exe
              • Size 108KB
              • SHA256 c49560f7a206b6b55d89c205a4631dfedd2b4a78ab81fea8706989a5627f95a1
              • MD5 SHA1 SHA512 SSDEEP

              BTRSetp.exe

              • Path \Users\Admin\AppData\Local\Temp\RarSFX0\BTRSetp.exe
              • Size 678KB
              • SHA256 ee4b58514316c6fc928e60245384560a24723e690a3311e8c2dd9e8efd5de7ca
              • MD5 SHA1 SHA512 SSDEEP

              Setup.exe

              • Path \Users\Admin\AppData\Local\Temp\RarSFX0\Setup.exe
              • Size 5.0MB
              • SHA256 ee9743026ad49017735e58c3d9ee9198db87eb6a3ab77242aa9d15155a9504b6
              • MD5 SHA1 SHA512 SSDEEP

              file.exe

              • Path \Users\Admin\AppData\Local\Temp\RarSFX0\file.exe
              • Size 143KB
              • SHA256 9117de15747527123f93284c821ea2e681b574639112532e66ad37a8246d98c9
              • MD5 SHA1 SHA512 SSDEEP

              gdrrr.exe

              • Path \Users\Admin\AppData\Local\Temp\RarSFX0\gdrrr.exe
              • Size 975KB
              • SHA256 57c417f53d9032a2f256cee17c274df2d411858abb14789406671c1dca6017c4
              • MD5 SHA1 SHA512 SSDEEP

              md2_2efs.exe

              • Path \Users\Admin\AppData\Local\Temp\RarSFX0\md2_2efs.exe
              • Size 1.3MB
              • SHA256 c6ee0d49bdb6580c6a972e1b087ba4973984843c94832082cb0454e17386ab2e
              • MD5 SHA1 SHA512 SSDEEP

              installer.exe

              • Path \Users\Admin\AppData\Local\Temp\RarSFX1\installer.exe
              • Size 169KB
              • SHA256 2b1503e2375fcd64699867b513e8e51a6f15a1fbc461755249bff01adb658985
              • MD5 SHA1 SHA512 SSDEEP

              ThunderFW.exe

              • Path \Users\Admin\AppData\Local\Temp\download\ThunderFW.exe
              • Size 71KB
              • SHA256 298d334b630c77b70e66cf5e9c1924c7f0d498b02c2397e92e2d9efdff2e1bdf
              • MD5 SHA1 SHA512 SSDEEP

              jfiag3g_gg.exe

              • Path \Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
              • Size 184KB
              • SHA256 a45317c374d54e322153afd73f0e90f1486638d77b7fd85746d091071bbecd59
              • MD5 SHA1 SHA512 SSDEEP

              jfiag3g_gg.exe

              • Path \Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
              • Size 61KB
              • SHA256 8b581869bf8944a8e0aa169adea2a4afe47434123da477132880aff6a5032181
              • MD5 SHA1 SHA512 SSDEEP

              memory/976-84-0x00000000039C0000-0x0000000003E6F000-memory.dmp

              memory/976-54-0x0000000000400000-0x00000000005C8000-memory.dmp

              memory/1084-360-0x0000000000400000-0x000000000045B000-memory.dmp

              memory/1084-357-0x0000000000400000-0x000000000045B000-memory.dmp

              memory/1336-202-0x0000000000020000-0x000000000002D000-memory.dmp

              memory/1624-29-0x00000000037F0000-0x00000000039B8000-memory.dmp

              memory/1624-19-0x00000000037F0000-0x00000000039B8000-memory.dmp

              memory/2300-401-0x00000000001F0000-0x0000000000212000-memory.dmp

              memory/2300-415-0x00000000001F0000-0x000000000024B000-memory.dmp

              memory/2300-352-0x00000000001F0000-0x000000000024B000-memory.dmp

              memory/2300-416-0x00000000001F0000-0x0000000000212000-memory.dmp

              memory/2300-350-0x00000000001F0000-0x000000000024B000-memory.dmp

              memory/2468-413-0x0000000000400000-0x0000000000422000-memory.dmp

              memory/2476-52-0x0000000000400000-0x00000000005C8000-memory.dmp

              memory/2476-60-0x0000000003900000-0x0000000003DAF000-memory.dmp

              memory/2652-50-0x00000000037E0000-0x00000000039A8000-memory.dmp

              memory/2652-32-0x0000000010000000-0x000000001033D000-memory.dmp

              memory/2652-49-0x00000000037E0000-0x00000000039A8000-memory.dmp

              memory/2864-302-0x0000000000910000-0x0000000000916000-memory.dmp

              memory/2864-301-0x0000000000550000-0x0000000000576000-memory.dmp

              memory/2864-300-0x0000000000540000-0x0000000000546000-memory.dmp

              memory/2864-299-0x0000000000920000-0x0000000000952000-memory.dmp