Overview

overview

8

Static

static

3

a2c472f03c...40.exe

windows7-x64

8

a2c472f03c...40.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    54s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/11/2023, 19:08

Sharing

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General

  • Target

    a2c472f03c51a188df057d45db691e83bbe951ec9622c3415ca767e7a67bb840.exe

  • Size

    672KB

  • MD5

    a56b2ef7f53aa63867878679f7ebf870

  • SHA1

    a018114c0885cca99838a360b05eddc155b6b933

  • SHA256

    a2c472f03c51a188df057d45db691e83bbe951ec9622c3415ca767e7a67bb840

  • SHA512

    1cd016a9ff3462c26913d9ef023a4c3103343b62b94a5450d9de8644405653239cb6c9e2874397bd8294252416fcc2ba9cdc830215f0f14eed247e2dc037ebbc

  • SSDEEP

    12288:4PFY04OQg3ENmxwLqwGdBLymNr21GHnAEIS4mBVRTqeRKwpNt+:MFY04O8Nmx8qPXtckH3BVRTwwpq

Score
8/10
persistence

Malware Config

Signatures

  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 2 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
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Program crash 9 IoCs
  • Checks SCSI registry key(s) 3 TTPs 58 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 12 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • System policy modification 1 TTPs 2 IoCs
    evasion
  • 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\a2c472f03c51a188df057d45db691e83bbe951ec9622c3415ca767e7a67bb840.exe
    "C:\Users\Admin\AppData\Local\Temp\a2c472f03c51a188df057d45db691e83bbe951ec9622c3415ca767e7a67bb840.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:4460
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4460 -s 356
      2⤵
      • Program crash
      PID:4556
    • C:\Users\Admin\AppData\Local\Temp\a2c472f03c51a188df057d45db691e83bbe951ec9622c3415ca767e7a67bb840.exe
      C:\Users\Admin\AppData\Local\Temp\a2c472f03c51a188df057d45db691e83bbe951ec9622c3415ca767e7a67bb840.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of UnmapMainImage
      • System policy modification
      PID:2160
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 324
        3⤵
        • Program crash
        PID:4592
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 668
        3⤵
        • Program crash
        PID:1708
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 800
        3⤵
        • Program crash
        PID:1368
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 836
        3⤵
        • Program crash
        PID:2400
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 936
        3⤵
        • Program crash
        PID:1900
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 936
        3⤵
        • Program crash
        PID:3388
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 1040
        3⤵
        • Program crash
        PID:1752
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 1284
        3⤵
        • Program crash
        PID:3112
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4460 -ip 4460
    1⤵
      PID:2184
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2160 -ip 2160
      1⤵
        PID:4644
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2160 -ip 2160
        1⤵
          PID:3620
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 2160 -ip 2160
          1⤵
            PID:3536
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 2160 -ip 2160
            1⤵
              PID:5000
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2160 -ip 2160
              1⤵
                PID:3768
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 632 -p 2160 -ip 2160
                1⤵
                  PID:1268
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 640 -p 2160 -ip 2160
                  1⤵
                    PID:2808
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 664 -p 2160 -ip 2160
                    1⤵
                      PID:4192
                    • C:\Windows\system32\sihost.exe
                      sihost.exe
                      1⤵
                      • Modifies registry class
                      • Suspicious use of WriteProcessMemory
                      PID:1700
                      • C:\Windows\explorer.exe
                        explorer.exe /LOADSAVEDWINDOWS
                        2⤵
                        • Modifies registry class
                        PID:4788
                    • C:\Windows\explorer.exe
                      explorer.exe
                      1⤵
                      • Modifies Installed Components in the registry
                      • Enumerates connected drives
                      • Checks SCSI registry key(s)
                      • Modifies Internet Explorer settings
                      • Modifies registry class
                      • Suspicious behavior: AddClipboardFormatListener
                      • Suspicious use of AdjustPrivilegeToken
                      • Suspicious use of FindShellTrayWindow
                      • Suspicious use of SendNotifyMessage
                      • Suspicious use of SetWindowsHookEx
                      PID:4388
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                      1⤵
                      • Suspicious behavior: AddClipboardFormatListener
                      PID:2576
                    • C:\Windows\System32\rundll32.exe
                      C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
                      1⤵
                        PID:112
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                        1⤵
                          PID:2760
                        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                          1⤵
                          • Modifies registry class
                          • Suspicious use of SetWindowsHookEx
                          PID:3032
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                          • Modifies Internet Explorer settings
                          • Modifies registry class
                          • Suspicious use of SetWindowsHookEx
                          PID:4940
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                          • Modifies Internet Explorer settings
                          • Modifies registry class
                          • Suspicious use of SetWindowsHookEx
                          PID:3412
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                          • Modifies Internet Explorer settings
                          • Modifies registry class
                          • Suspicious use of SetWindowsHookEx
                          PID:5016
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                          • Modifies Internet Explorer settings
                          • Modifies registry class
                          • Suspicious use of SetWindowsHookEx
                          PID:4492
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                          • Suspicious use of SetWindowsHookEx
                          PID:4752
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4256

                          Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\Z7LOIA6T\microsoft.windows[1].xml
                                  Filesize

                                  96B

                                  MD5

                                  25b98f558f0ca5ad449151322b6034e1

                                  SHA1

                                  ce562dcce60d8dab8767a0cfafc3b0ef5458c546

                                  SHA256

                                  bb763557ec01c0968c2c4e8d9414c197e9b1961a697c0fd99b8da3c67133740d

                                  SHA512

                                  2c4bb59caa1715ab49ec45a44a5873698894fd13fe7aa84391b328014e99112d29d55da708e6d10e274937971e759159af4f429fb94cee29ba3d2211a5211275

                                  Download Submit

                                • C:\Users\Admin\AppData\Local\Packages\microsoft.windows.search_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\Z7LOIA6T\microsoft.windows[1].xml
                                  Filesize

                                  96B

                                  MD5

                                  25b98f558f0ca5ad449151322b6034e1

                                  SHA1

                                  ce562dcce60d8dab8767a0cfafc3b0ef5458c546

                                  SHA256

                                  bb763557ec01c0968c2c4e8d9414c197e9b1961a697c0fd99b8da3c67133740d

                                  SHA512

                                  2c4bb59caa1715ab49ec45a44a5873698894fd13fe7aa84391b328014e99112d29d55da708e6d10e274937971e759159af4f429fb94cee29ba3d2211a5211275

                                  Download Submit

                                • C:\Users\Admin\AppData\Local\Packages\microsoft.windows.search_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\Z7LOIA6T\microsoft.windows[1].xml
                                  Filesize

                                  96B

                                  MD5

                                  25b98f558f0ca5ad449151322b6034e1

                                  SHA1

                                  ce562dcce60d8dab8767a0cfafc3b0ef5458c546

                                  SHA256

                                  bb763557ec01c0968c2c4e8d9414c197e9b1961a697c0fd99b8da3c67133740d

                                  SHA512

                                  2c4bb59caa1715ab49ec45a44a5873698894fd13fe7aa84391b328014e99112d29d55da708e6d10e274937971e759159af4f429fb94cee29ba3d2211a5211275

                                  Download Submit

                                • C:\Users\Admin\AppData\Local\Packages\microsoft.windows.search_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\Z7LOIA6T\microsoft.windows[1].xml
                                  Filesize

                                  96B

                                  MD5

                                  25b98f558f0ca5ad449151322b6034e1

                                  SHA1

                                  ce562dcce60d8dab8767a0cfafc3b0ef5458c546

                                  SHA256

                                  bb763557ec01c0968c2c4e8d9414c197e9b1961a697c0fd99b8da3c67133740d

                                  SHA512

                                  2c4bb59caa1715ab49ec45a44a5873698894fd13fe7aa84391b328014e99112d29d55da708e6d10e274937971e759159af4f429fb94cee29ba3d2211a5211275

                                  Download Submit

                                • C:\Users\Admin\AppData\Local\Packages\microsoft.windows.search_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\Z7LOIA6T\microsoft.windows[1].xml
                                  Filesize

                                  96B

                                  MD5

                                  25b98f558f0ca5ad449151322b6034e1

                                  SHA1

                                  ce562dcce60d8dab8767a0cfafc3b0ef5458c546

                                  SHA256

                                  bb763557ec01c0968c2c4e8d9414c197e9b1961a697c0fd99b8da3c67133740d

                                  SHA512

                                  2c4bb59caa1715ab49ec45a44a5873698894fd13fe7aa84391b328014e99112d29d55da708e6d10e274937971e759159af4f429fb94cee29ba3d2211a5211275

                                  Download Submit

                                • C:\Users\Admin\AppData\Local\Temp\a2c472f03c51a188df057d45db691e83bbe951ec9622c3415ca767e7a67bb840.exe
                                  Filesize

                                  672KB

                                  MD5

                                  c15b945a45f22d4d8242d843616bcc47

                                  SHA1

                                  20a90562791d861da8b04625d6d460e3af61c57a

                                  SHA256

                                  1dd9f547188aa6237451e04041081d446027944270a46dc4551f2a101101aff5

                                  SHA512

                                  45acba90d36f02216d8a7f00be2ccdf189e24c816f958f2e563f778ceba8fc406e03408fd0c03719f4497846bd8036066a964e5bc4fe8b6328a3c3560b071309

                                  Download Submit

                                • memory/2160-8-0x0000000004FA0000-0x0000000005012000-memory.dmp

                                  Filesize

                                  456KB

                                  Download

                                • memory/2160-24-0x0000000000400000-0x000000000045A000-memory.dmp

                                  Filesize

                                  360KB

                                  Download

                                • memory/2160-16-0x0000000000400000-0x000000000045A000-memory.dmp

                                  Filesize

                                  360KB

                                  Download

                                • memory/2160-9-0x0000000000400000-0x000000000045A000-memory.dmp

                                  Filesize

                                  360KB

                                  Download

                                • memory/2160-7-0x0000000000400000-0x0000000000472000-memory.dmp

                                  Filesize

                                  456KB

                                  Download

                                • memory/3412-62-0x00000203280A0000-0x00000203280C0000-memory.dmp

                                  Filesize

                                  128KB

                                  Download

                                • memory/3412-66-0x0000020328470000-0x0000020328490000-memory.dmp

                                  Filesize

                                  128KB

                                  Download

                                • memory/3412-64-0x0000020328060000-0x0000020328080000-memory.dmp

                                  Filesize

                                  128KB

                                  Download

                                • memory/4256-143-0x0000024B8EB30000-0x0000024B8EB50000-memory.dmp

                                  Filesize

                                  128KB

                                  Download

                                • memory/4256-140-0x0000024B8EB70000-0x0000024B8EB90000-memory.dmp

                                  Filesize

                                  128KB

                                  Download

                                • memory/4256-146-0x0000024B8EF40000-0x0000024B8EF60000-memory.dmp

                                  Filesize

                                  128KB

                                  Download

                                • memory/4388-33-0x00000000049C0000-0x00000000049C1000-memory.dmp

                                  Filesize

                                  4KB

                                  Download

                                • memory/4460-6-0x0000000000400000-0x0000000000472000-memory.dmp

                                  Filesize

                                  456KB

                                  Download

                                • memory/4460-0-0x0000000000400000-0x0000000000472000-memory.dmp

                                  Filesize

                                  456KB

                                  Download

                                • memory/4492-105-0x000001C6149B0000-0x000001C6149D0000-memory.dmp

                                  Filesize

                                  128KB

                                  Download

                                • memory/4492-107-0x000001CE160C0000-0x000001CE160E0000-memory.dmp

                                  Filesize

                                  128KB

                                  Download

                                • memory/4492-103-0x000001C614D00000-0x000001C614D20000-memory.dmp

                                  Filesize

                                  128KB

                                  Download

                                • memory/4752-127-0x000001A979700000-0x000001A979720000-memory.dmp

                                  Filesize

                                  128KB

                                  Download

                                • memory/4752-124-0x000001A979740000-0x000001A979760000-memory.dmp

                                  Filesize

                                  128KB

                                  Download

                                • memory/4752-130-0x000001A979B10000-0x000001A979B30000-memory.dmp

                                  Filesize

                                  128KB

                                  Download

                                • memory/4940-46-0x000001F42F4B0000-0x000001F42F4D0000-memory.dmp

                                  Filesize

                                  128KB

                                  Download

                                • memory/4940-44-0x000001F42F0A0000-0x000001F42F0C0000-memory.dmp

                                  Filesize

                                  128KB

                                  Download

                                • memory/4940-41-0x000001F42F0E0000-0x000001F42F100000-memory.dmp

                                  Filesize

                                  128KB

                                  Download

                                • memory/5016-80-0x00000218F90D0000-0x00000218F90F0000-memory.dmp

                                  Filesize

                                  128KB

                                  Download

                                • memory/5016-85-0x00000218F94E0000-0x00000218F9500000-memory.dmp

                                  Filesize

                                  128KB

                                  Download

                                • memory/5016-82-0x00000218F9090000-0x00000218F90B0000-memory.dmp

                                  Filesize

                                  128KB

                                  Download