Analysis

  • max time kernel
    124s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-12-2023 18:40

General

  • Target

    00c3fda4ff09940ca177d13c0bb3f187.exe

  • Size

    422KB

  • MD5

    00c3fda4ff09940ca177d13c0bb3f187

  • SHA1

    eb366e746c352d9b55661f46a57d44990162b808

  • SHA256

    38b9b8ce46960c89911829a3d09c9fa2f61fd8a9a634f4293cc625dcf65803b3

  • SHA512

    7eb0f82ed64e1c5071b276cf478754f9163ab70d45eb7f1888175de2db701e8a6378fb661440d0212137302fa8059d2a40db019b28ac196a2bace19898984faf

  • SSDEEP

    6144:3/2aLWp4E0ETZY1T23Eu0i67n4+f74PEAh2g/JS8A77iiYce47jstv6DJg:3/2MWZZJUpi64i4PT5Ipnre4soDO

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Modifies Installed Components in the registry 2 TTPs 16 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 8 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Program crash 2 IoCs
  • Modifies data under HKEY_USERS 52 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\00c3fda4ff09940ca177d13c0bb3f187.exe
    "C:\Users\Admin\AppData\Local\Temp\00c3fda4ff09940ca177d13c0bb3f187.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5080
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5080 -s 896
      2⤵
      • Program crash
      PID:1128
    • C:\ProgramData\pG21800AlLfC21800\pG21800AlLfC21800.exe
      "C:\ProgramData\pG21800AlLfC21800\pG21800AlLfC21800.exe" "C:\Users\Admin\AppData\Local\Temp\00c3fda4ff09940ca177d13c0bb3f187.exe"
      2⤵
      • Modifies security service
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4852
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 904
        3⤵
        • Program crash
        PID:2052
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 5080 -ip 5080
    1⤵
      PID:3744
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4852 -ip 4852
      1⤵
        PID:4340
      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
        1⤵
        • Modifies data under HKEY_USERS
        • Suspicious use of SetWindowsHookEx
        PID:3584
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        PID:4672
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        PID:1080
      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
        1⤵
        • Modifies data under HKEY_USERS
        • Suspicious use of SetWindowsHookEx
        PID:4040
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:4348
        • C:\Windows\explorer.exe
          explorer.exe /LOADSAVEDWINDOWS
          2⤵
          • Modifies Installed Components in the registry
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:3624
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
          PID:2768
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
          • Suspicious use of FindShellTrayWindow
          PID:3816
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:3200
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            • Modifies registry class
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            PID:2916
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            • Modifies registry class
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            PID:4708
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            • Modifies registry class
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            PID:3228
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            • Modifies registry class
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            PID:2512
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            • Modifies registry class
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            PID:3164
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            • Modifies registry class
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            PID:4640
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            • Modifies registry class
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            PID:3124
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            • Modifies registry class
            • Suspicious use of FindShellTrayWindow
            PID:448
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            • Modifies registry class
            PID:776
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            • Modifies registry class
            PID:2816
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            • Modifies registry class
            PID:2980
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            • Modifies registry class
            PID:2488
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            • Modifies registry class
            PID:4328
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            • Modifies registry class
            PID:2796
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            PID:2204
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
              PID:792
            • C:\Windows\explorer.exe
              explorer.exe
              1⤵
                PID:1436
              • C:\Windows\explorer.exe
                explorer.exe
                1⤵
                  PID:3888
                • C:\Windows\explorer.exe
                  explorer.exe
                  1⤵
                    PID:4076
                  • C:\Windows\explorer.exe
                    explorer.exe
                    1⤵
                      PID:4792
                    • C:\Windows\explorer.exe
                      explorer.exe
                      1⤵
                        PID:4640
                      • C:\Windows\explorer.exe
                        explorer.exe
                        1⤵
                          PID:3124
                        • C:\Windows\explorer.exe
                          explorer.exe
                          1⤵
                            PID:2720
                          • C:\Windows\explorer.exe
                            explorer.exe
                            1⤵
                              PID:3844
                            • C:\Windows\explorer.exe
                              explorer.exe
                              1⤵
                                PID:3936
                              • C:\Windows\explorer.exe
                                explorer.exe
                                1⤵
                                  PID:432
                                • C:\Windows\explorer.exe
                                  explorer.exe
                                  1⤵
                                    PID:2876
                                  • C:\Windows\explorer.exe
                                    explorer.exe
                                    1⤵
                                      PID:728
                                    • C:\Windows\explorer.exe
                                      explorer.exe
                                      1⤵
                                        PID:428
                                      • C:\Windows\explorer.exe
                                        explorer.exe
                                        1⤵
                                          PID:2336
                                        • C:\Windows\explorer.exe
                                          explorer.exe
                                          1⤵
                                            PID:5020
                                          • C:\Windows\explorer.exe
                                            explorer.exe
                                            1⤵
                                              PID:832
                                            • C:\Windows\explorer.exe
                                              explorer.exe
                                              1⤵
                                                PID:2368
                                              • C:\Windows\explorer.exe
                                                explorer.exe
                                                1⤵
                                                  PID:3740
                                                • C:\Windows\explorer.exe
                                                  explorer.exe
                                                  1⤵
                                                    PID:1884
                                                  • C:\Windows\explorer.exe
                                                    explorer.exe
                                                    1⤵
                                                      PID:2280
                                                    • C:\Windows\explorer.exe
                                                      explorer.exe
                                                      1⤵
                                                        PID:2900
                                                      • C:\Windows\explorer.exe
                                                        explorer.exe
                                                        1⤵
                                                          PID:4160
                                                        • C:\Windows\explorer.exe
                                                          explorer.exe
                                                          1⤵
                                                            PID:3840
                                                          • C:\Windows\explorer.exe
                                                            explorer.exe
                                                            1⤵
                                                              PID:3076
                                                            • C:\Windows\explorer.exe
                                                              explorer.exe
                                                              1⤵
                                                                PID:2792
                                                              • C:\Windows\explorer.exe
                                                                explorer.exe
                                                                1⤵
                                                                  PID:4340
                                                                • C:\Windows\explorer.exe
                                                                  explorer.exe
                                                                  1⤵
                                                                    PID:4452
                                                                  • C:\Windows\explorer.exe
                                                                    explorer.exe
                                                                    1⤵
                                                                      PID:1656
                                                                    • C:\Windows\explorer.exe
                                                                      explorer.exe
                                                                      1⤵
                                                                        PID:1444
                                                                      • C:\Windows\explorer.exe
                                                                        explorer.exe
                                                                        1⤵
                                                                          PID:1904
                                                                        • C:\Windows\explorer.exe
                                                                          explorer.exe
                                                                          1⤵
                                                                            PID:3364
                                                                          • C:\Windows\explorer.exe
                                                                            explorer.exe
                                                                            1⤵
                                                                              PID:404
                                                                            • C:\Windows\explorer.exe
                                                                              explorer.exe
                                                                              1⤵
                                                                                PID:4536
                                                                              • C:\Windows\explorer.exe
                                                                                explorer.exe
                                                                                1⤵
                                                                                  PID:3284
                                                                                • C:\Windows\explorer.exe
                                                                                  explorer.exe
                                                                                  1⤵
                                                                                    PID:748
                                                                                  • C:\Windows\explorer.exe
                                                                                    explorer.exe
                                                                                    1⤵
                                                                                      PID:1356
                                                                                    • C:\Windows\explorer.exe
                                                                                      explorer.exe
                                                                                      1⤵
                                                                                        PID:4200
                                                                                      • C:\Windows\explorer.exe
                                                                                        explorer.exe
                                                                                        1⤵
                                                                                          PID:2228
                                                                                        • C:\Windows\explorer.exe
                                                                                          explorer.exe
                                                                                          1⤵
                                                                                            PID:1580
                                                                                          • C:\Windows\explorer.exe
                                                                                            explorer.exe
                                                                                            1⤵
                                                                                              PID:536
                                                                                            • C:\Windows\explorer.exe
                                                                                              explorer.exe
                                                                                              1⤵
                                                                                                PID:5064
                                                                                              • C:\Windows\explorer.exe
                                                                                                explorer.exe
                                                                                                1⤵
                                                                                                  PID:4992
                                                                                                • C:\Windows\explorer.exe
                                                                                                  explorer.exe
                                                                                                  1⤵
                                                                                                    PID:1632

                                                                                                  Network

                                                                                                  MITRE ATT&CK Enterprise v15

                                                                                                  Replay Monitor

                                                                                                  Loading Replay Monitor...

                                                                                                  Downloads

                                                                                                  • C:\ProgramData\pG21800AlLfC21800\pG21800AlLfC21800.exe

                                                                                                    Filesize

                                                                                                    422KB

                                                                                                    MD5

                                                                                                    a7f43aa8c797a6ca5b937082cc09416f

                                                                                                    SHA1

                                                                                                    ad15840a364eb8c065924260beec2ec47e5a3618

                                                                                                    SHA256

                                                                                                    1f6f52539dd1735e2bcb48343649b92e0dc7e3dca14504b67cc4423da4badf87

                                                                                                    SHA512

                                                                                                    e27330dc5b316778fd9485ce0c70727c5643d0ebf1e227c6670100e7d65825b29d5f5e2fff0a6090cc9a44592a4c52837f95a57b9f8ec4f47b973d7b2f0b1768

                                                                                                  • memory/2204-35-0x00007FFD54C50000-0x00007FFD54C7E000-memory.dmp

                                                                                                    Filesize

                                                                                                    184KB

                                                                                                  • memory/4852-21-0x0000000000400000-0x00000000004D2000-memory.dmp

                                                                                                    Filesize

                                                                                                    840KB

                                                                                                  • memory/4852-27-0x0000000000400000-0x00000000004D2000-memory.dmp

                                                                                                    Filesize

                                                                                                    840KB

                                                                                                  • memory/4852-34-0x0000000000400000-0x00000000004D2000-memory.dmp

                                                                                                    Filesize

                                                                                                    840KB

                                                                                                  • memory/4852-36-0x0000000000400000-0x00000000004D2000-memory.dmp

                                                                                                    Filesize

                                                                                                    840KB

                                                                                                  • memory/4852-37-0x0000000000400000-0x00000000004D2000-memory.dmp

                                                                                                    Filesize

                                                                                                    840KB

                                                                                                  • memory/5080-0-0x0000000002260000-0x0000000002263000-memory.dmp

                                                                                                    Filesize

                                                                                                    12KB

                                                                                                  • memory/5080-1-0x0000000000400000-0x00000000004D2000-memory.dmp

                                                                                                    Filesize

                                                                                                    840KB

                                                                                                  • memory/5080-10-0x0000000000400000-0x00000000004D2000-memory.dmp

                                                                                                    Filesize

                                                                                                    840KB

                                                                                                  • memory/5080-19-0x0000000000400000-0x00000000004D2000-memory.dmp

                                                                                                    Filesize

                                                                                                    840KB