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Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    05/08/2024, 07:06

General

  • Target

    MalwareBazaar.exe

  • Size

    653KB

  • MD5

    f205c1fbf5d8a384899c2d4c25866f70

  • SHA1

    51fd6812d379d3f16ea7c331b64e3df03bb16558

  • SHA256

    5a4a51d74e1843630ec0749d480f0057efd6d0b3e867253d1e871f6394171dc7

  • SHA512

    40806add39344f56a55f32707a7a5402f9aa96d4a6512ee5daaa93c8bd3e2336ef81999183deaf61cea446ff68ee1dd96e73bbb72ee3e480d16ac2544b18c773

  • SSDEEP

    12288:BWxa/zmcDXmoamqD+iejZKSK9q0ypKXt7jblMHrtxxGXFKgs8ZkR:BWxaakvamqKioJKuSljZMLHM1KV8E

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ps15

Decoy

57797.asia

jhpwt.net

basketballdrillsforkids.com

zgzf6.rest

casinomaxnodepositbonus.icu

uptocryptonews.com

gomenasorry.com

fortanix.space

stripscity.xyz

genbotdiy.xyz

mayson-wedding.com

neb-hub.net

seancollinsmusic.com

migraine-treatment-57211.bond

prosperawoman.info

tradefairleads.tech

xn--yeminlitercme-6ob.com

xwaveevent.com

fashiontrendshub.xyz

window-replacement-80823.bond

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Formbook payload 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1208
    • C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
      "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2584
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2760
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YANEQIBuodfvB.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2844
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YANEQIBuodfvB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE1C7.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2748
      • C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
        "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2832
    • C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      2⤵
        PID:1576
      • C:\Windows\SysWOW64\autochk.exe
        "C:\Windows\SysWOW64\autochk.exe"
        2⤵
          PID:752
        • C:\Windows\SysWOW64\autochk.exe
          "C:\Windows\SysWOW64\autochk.exe"
          2⤵
            PID:844
          • C:\Windows\SysWOW64\autochk.exe
            "C:\Windows\SysWOW64\autochk.exe"
            2⤵
              PID:1448
            • C:\Windows\SysWOW64\autochk.exe
              "C:\Windows\SysWOW64\autochk.exe"
              2⤵
                PID:1764
              • C:\Windows\SysWOW64\autochk.exe
                "C:\Windows\SysWOW64\autochk.exe"
                2⤵
                  PID:396
                • C:\Windows\SysWOW64\autochk.exe
                  "C:\Windows\SysWOW64\autochk.exe"
                  2⤵
                    PID:1972
                  • C:\Windows\SysWOW64\autochk.exe
                    "C:\Windows\SysWOW64\autochk.exe"
                    2⤵
                      PID:340
                    • C:\Windows\SysWOW64\autochk.exe
                      "C:\Windows\SysWOW64\autochk.exe"
                      2⤵
                        PID:2908
                      • C:\Windows\SysWOW64\autochk.exe
                        "C:\Windows\SysWOW64\autochk.exe"
                        2⤵
                          PID:2016
                        • C:\Windows\SysWOW64\autochk.exe
                          "C:\Windows\SysWOW64\autochk.exe"
                          2⤵
                            PID:2668
                          • C:\Windows\SysWOW64\autochk.exe
                            "C:\Windows\SysWOW64\autochk.exe"
                            2⤵
                              PID:2044
                            • C:\Windows\SysWOW64\autochk.exe
                              "C:\Windows\SysWOW64\autochk.exe"
                              2⤵
                                PID:1120
                              • C:\Windows\SysWOW64\autochk.exe
                                "C:\Windows\SysWOW64\autochk.exe"
                                2⤵
                                  PID:276
                                • C:\Windows\SysWOW64\autochk.exe
                                  "C:\Windows\SysWOW64\autochk.exe"
                                  2⤵
                                    PID:2512
                                  • C:\Windows\SysWOW64\autochk.exe
                                    "C:\Windows\SysWOW64\autochk.exe"
                                    2⤵
                                      PID:2080
                                    • C:\Windows\SysWOW64\autochk.exe
                                      "C:\Windows\SysWOW64\autochk.exe"
                                      2⤵
                                        PID:1388
                                      • C:\Windows\SysWOW64\help.exe
                                        "C:\Windows\SysWOW64\help.exe"
                                        2⤵
                                        • Suspicious use of SetThreadContext
                                        • System Location Discovery: System Language Discovery
                                        • Suspicious behavior: EnumeratesProcesses
                                        • Suspicious behavior: MapViewOfSection
                                        • Suspicious use of AdjustPrivilegeToken
                                        • Suspicious use of WriteProcessMemory
                                        PID:2596
                                        • C:\Windows\SysWOW64\cmd.exe
                                          /c del "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
                                          3⤵
                                          • Deletes itself
                                          • System Location Discovery: System Language Discovery
                                          PID:1232

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Temp\tmpE1C7.tmp

                                      Filesize

                                      1KB

                                      MD5

                                      535f93e347c521dc84cf5715ae2fcc4c

                                      SHA1

                                      2801b8cd469c2c625c221fba3e3fcaefcdce086c

                                      SHA256

                                      e974225cc5e11b3afe63335a154672e13bc85192f4c6e847b86e88351e985446

                                      SHA512

                                      05dea2871554ab2e2f292dfcd6ba271137c191a121e6545c058a3060a9b03dbdfea67fae925a1045a486263b0db0205b8c6e1c8563eef9262efd201f5bf8d769

                                    • memory/2584-23-0x0000000074E80000-0x000000007556E000-memory.dmp

                                      Filesize

                                      6.9MB

                                    • memory/2584-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2584-3-0x0000000000640000-0x0000000000658000-memory.dmp

                                      Filesize

                                      96KB

                                    • memory/2584-4-0x00000000005D0000-0x00000000005DE000-memory.dmp

                                      Filesize

                                      56KB

                                    • memory/2584-5-0x0000000000660000-0x0000000000676000-memory.dmp

                                      Filesize

                                      88KB

                                    • memory/2584-6-0x0000000004910000-0x0000000004986000-memory.dmp

                                      Filesize

                                      472KB

                                    • memory/2584-2-0x0000000074E80000-0x000000007556E000-memory.dmp

                                      Filesize

                                      6.9MB

                                    • memory/2584-1-0x00000000009D0000-0x0000000000A76000-memory.dmp

                                      Filesize

                                      664KB

                                    • memory/2596-27-0x0000000000080000-0x00000000000AF000-memory.dmp

                                      Filesize

                                      188KB

                                    • memory/2596-26-0x00000000007C0000-0x00000000007C6000-memory.dmp

                                      Filesize

                                      24KB

                                    • memory/2832-17-0x0000000000400000-0x000000000042F000-memory.dmp

                                      Filesize

                                      188KB

                                    • memory/2832-19-0x0000000000400000-0x000000000042F000-memory.dmp

                                      Filesize

                                      188KB

                                    • memory/2832-25-0x0000000000400000-0x000000000042F000-memory.dmp

                                      Filesize

                                      188KB

                                    • memory/2832-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2832-22-0x0000000000400000-0x000000000042F000-memory.dmp

                                      Filesize

                                      188KB