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Analysis

  • max time kernel
    152s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23/11/2022, 21:07

General

  • Target

    09d184bbb93da3e1e152fe48189f882863ad49b06e617f81010f4e23ee1f9bb1.exe

  • Size

    255KB

  • MD5

    bfecbf7c49b0f539d5dc5b6b6b9ff798

  • SHA1

    05fc7e9506066eecd932daf754c2245c7ba95c92

  • SHA256

    09d184bbb93da3e1e152fe48189f882863ad49b06e617f81010f4e23ee1f9bb1

  • SHA512

    dd955147d18fdc09dd76dc7e00a0ae8092f2a0703e598e7d304ed252956eef4225fe9aa4c976641c9358e4186bb51108ec30fc0d64bdfbd161e95b84841cd306

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJF:1xlZam+akqx6YQJXcNlEHUIQeE3mmBI8

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
  • UPX packed file 27 IoCs

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

  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Modifies WinLogon 2 TTPs 2 IoCs
  • AutoIT Executable 12 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 33 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 56 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\09d184bbb93da3e1e152fe48189f882863ad49b06e617f81010f4e23ee1f9bb1.exe
    "C:\Users\Admin\AppData\Local\Temp\09d184bbb93da3e1e152fe48189f882863ad49b06e617f81010f4e23ee1f9bb1.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1336
    • C:\Windows\SysWOW64\uhougwpgmv.exe
      uhougwpgmv.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:672
      • C:\Windows\SysWOW64\rchdaamh.exe
        C:\Windows\system32\rchdaamh.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        PID:1152
    • C:\Windows\SysWOW64\uhdytyaxrahpghj.exe
      uhdytyaxrahpghj.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:268
    • C:\Windows\SysWOW64\rchdaamh.exe
      rchdaamh.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1244
    • C:\Windows\SysWOW64\qauprnpqcautm.exe
      qauprnpqcautm.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:768
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      2⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1048
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1920
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1000
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x584
      1⤵
        PID:1080

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLN.DOC.exe

        Filesize

        255KB

        MD5

        dd7e99c3ae6ae61f94be8fe5157a2542

        SHA1

        b7dbda3733ad1ae82de20cd35fb5ca09c2129cf3

        SHA256

        b88b69650f09e523b0393ed8c4ed060aa15bc0ef27ca1e046620e506740a1e19

        SHA512

        6f66f1c4aeb9170e30cdd90a5cae0b97c6db7422cb2233f6b1a96485243cb2e7671fa6ceb5775f5a2e33d9d5056e78d2e27e4f61236f5a3584e59ae7cb3fa2e1

      • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe

        Filesize

        255KB

        MD5

        2f5edb89621218db4a4bdc037b3cfbd1

        SHA1

        c0b38dc7859a8823db021e011c86a60d6dacf5dc

        SHA256

        5e1e117c41bb8a1f5c1d54e00c567cdb4beb8b3728a713ba349ab00b54ed42ef

        SHA512

        5bb61e89fbac267e1446c54f57576a425e45769f8556199de29710d18f6334a4b4a7ff0d535053cd72ca7ae308e07c56acb3ffc2d03861513b3b1656896ed1fa

      • C:\Windows\SysWOW64\qauprnpqcautm.exe

        Filesize

        255KB

        MD5

        1db8ffadc30354185c4c1274746dd9ca

        SHA1

        dbfb7a66cb6fc005895f11dbfc52f5e345f7b853

        SHA256

        b26bfdc0c87813a28704b051945d67ae85cc18effb62b0dc93c22299c03cf9c7

        SHA512

        d9971617d5a35412b88d3093be1a49264cd6384002b138ce3eef9c144ddc17eb0d496d3483ee4d835ec1d81e2786a5035bcde36044acae497a52454a117996f0

      • C:\Windows\SysWOW64\qauprnpqcautm.exe

        Filesize

        255KB

        MD5

        1db8ffadc30354185c4c1274746dd9ca

        SHA1

        dbfb7a66cb6fc005895f11dbfc52f5e345f7b853

        SHA256

        b26bfdc0c87813a28704b051945d67ae85cc18effb62b0dc93c22299c03cf9c7

        SHA512

        d9971617d5a35412b88d3093be1a49264cd6384002b138ce3eef9c144ddc17eb0d496d3483ee4d835ec1d81e2786a5035bcde36044acae497a52454a117996f0

      • C:\Windows\SysWOW64\rchdaamh.exe

        Filesize

        255KB

        MD5

        cec3e52f596c0644914034e2ca54a2dd

        SHA1

        0603b7f8dfbb27749bdbbd627679e1cfbff96389

        SHA256

        e2f0bc946607186b223ed9e3432ddea4d4345a232ad22cfe80796f10d4cfe8da

        SHA512

        57b4a2b350b03f607dbee84ca416f059b967188b5f3c9d2e2a5be5617b1e6eb179357a4cb3d9b0dc56b568c76fbeb7b92664ab97aa6f86c020ad318891411cd9

      • C:\Windows\SysWOW64\rchdaamh.exe

        Filesize

        255KB

        MD5

        cec3e52f596c0644914034e2ca54a2dd

        SHA1

        0603b7f8dfbb27749bdbbd627679e1cfbff96389

        SHA256

        e2f0bc946607186b223ed9e3432ddea4d4345a232ad22cfe80796f10d4cfe8da

        SHA512

        57b4a2b350b03f607dbee84ca416f059b967188b5f3c9d2e2a5be5617b1e6eb179357a4cb3d9b0dc56b568c76fbeb7b92664ab97aa6f86c020ad318891411cd9

      • C:\Windows\SysWOW64\rchdaamh.exe

        Filesize

        255KB

        MD5

        cec3e52f596c0644914034e2ca54a2dd

        SHA1

        0603b7f8dfbb27749bdbbd627679e1cfbff96389

        SHA256

        e2f0bc946607186b223ed9e3432ddea4d4345a232ad22cfe80796f10d4cfe8da

        SHA512

        57b4a2b350b03f607dbee84ca416f059b967188b5f3c9d2e2a5be5617b1e6eb179357a4cb3d9b0dc56b568c76fbeb7b92664ab97aa6f86c020ad318891411cd9

      • C:\Windows\SysWOW64\uhdytyaxrahpghj.exe

        Filesize

        255KB

        MD5

        e167b072a703a049be21e36748908066

        SHA1

        bc1ca01ee8f19842f0db82edf855a95fcfa1751d

        SHA256

        9d8e202bac97edcd944aef1e17e1ffe6e2bd11e7557c2e2ee472b137d7ce1f5d

        SHA512

        b5b396242a9653a2f5b4f96124214aaca2036666ed99fed8a15152a44b6c25af829d824ea8201db82e1473410f30fa8d49339b3d6beaad4b665ae38dec0689bb

      • C:\Windows\SysWOW64\uhdytyaxrahpghj.exe

        Filesize

        255KB

        MD5

        e167b072a703a049be21e36748908066

        SHA1

        bc1ca01ee8f19842f0db82edf855a95fcfa1751d

        SHA256

        9d8e202bac97edcd944aef1e17e1ffe6e2bd11e7557c2e2ee472b137d7ce1f5d

        SHA512

        b5b396242a9653a2f5b4f96124214aaca2036666ed99fed8a15152a44b6c25af829d824ea8201db82e1473410f30fa8d49339b3d6beaad4b665ae38dec0689bb

      • C:\Windows\SysWOW64\uhougwpgmv.exe

        Filesize

        255KB

        MD5

        39236d4d739510ab9a4a06bac1bec044

        SHA1

        8557cee425bf3498210d394379831b0c026765f8

        SHA256

        b53aad58023574f138db52686fba097af860e6082cfed8d61550f424a69d30bd

        SHA512

        98f2d98f937f46245e7b5e4f54c43228beaccebd80958bbaf373db307d8928af74140efeefd2c861196c3e104aae405efc316c4d5a713e507d2e5e745a36ad79

      • C:\Windows\SysWOW64\uhougwpgmv.exe

        Filesize

        255KB

        MD5

        39236d4d739510ab9a4a06bac1bec044

        SHA1

        8557cee425bf3498210d394379831b0c026765f8

        SHA256

        b53aad58023574f138db52686fba097af860e6082cfed8d61550f424a69d30bd

        SHA512

        98f2d98f937f46245e7b5e4f54c43228beaccebd80958bbaf373db307d8928af74140efeefd2c861196c3e104aae405efc316c4d5a713e507d2e5e745a36ad79

      • C:\Windows\mydoc.rtf

        Filesize

        223B

        MD5

        06604e5941c126e2e7be02c5cd9f62ec

        SHA1

        4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

        SHA256

        85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

        SHA512

        803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      • \Windows\SysWOW64\qauprnpqcautm.exe

        Filesize

        255KB

        MD5

        1db8ffadc30354185c4c1274746dd9ca

        SHA1

        dbfb7a66cb6fc005895f11dbfc52f5e345f7b853

        SHA256

        b26bfdc0c87813a28704b051945d67ae85cc18effb62b0dc93c22299c03cf9c7

        SHA512

        d9971617d5a35412b88d3093be1a49264cd6384002b138ce3eef9c144ddc17eb0d496d3483ee4d835ec1d81e2786a5035bcde36044acae497a52454a117996f0

      • \Windows\SysWOW64\rchdaamh.exe

        Filesize

        255KB

        MD5

        cec3e52f596c0644914034e2ca54a2dd

        SHA1

        0603b7f8dfbb27749bdbbd627679e1cfbff96389

        SHA256

        e2f0bc946607186b223ed9e3432ddea4d4345a232ad22cfe80796f10d4cfe8da

        SHA512

        57b4a2b350b03f607dbee84ca416f059b967188b5f3c9d2e2a5be5617b1e6eb179357a4cb3d9b0dc56b568c76fbeb7b92664ab97aa6f86c020ad318891411cd9

      • \Windows\SysWOW64\rchdaamh.exe

        Filesize

        255KB

        MD5

        cec3e52f596c0644914034e2ca54a2dd

        SHA1

        0603b7f8dfbb27749bdbbd627679e1cfbff96389

        SHA256

        e2f0bc946607186b223ed9e3432ddea4d4345a232ad22cfe80796f10d4cfe8da

        SHA512

        57b4a2b350b03f607dbee84ca416f059b967188b5f3c9d2e2a5be5617b1e6eb179357a4cb3d9b0dc56b568c76fbeb7b92664ab97aa6f86c020ad318891411cd9

      • \Windows\SysWOW64\uhdytyaxrahpghj.exe

        Filesize

        255KB

        MD5

        e167b072a703a049be21e36748908066

        SHA1

        bc1ca01ee8f19842f0db82edf855a95fcfa1751d

        SHA256

        9d8e202bac97edcd944aef1e17e1ffe6e2bd11e7557c2e2ee472b137d7ce1f5d

        SHA512

        b5b396242a9653a2f5b4f96124214aaca2036666ed99fed8a15152a44b6c25af829d824ea8201db82e1473410f30fa8d49339b3d6beaad4b665ae38dec0689bb

      • \Windows\SysWOW64\uhougwpgmv.exe

        Filesize

        255KB

        MD5

        39236d4d739510ab9a4a06bac1bec044

        SHA1

        8557cee425bf3498210d394379831b0c026765f8

        SHA256

        b53aad58023574f138db52686fba097af860e6082cfed8d61550f424a69d30bd

        SHA512

        98f2d98f937f46245e7b5e4f54c43228beaccebd80958bbaf373db307d8928af74140efeefd2c861196c3e104aae405efc316c4d5a713e507d2e5e745a36ad79

      • memory/268-92-0x0000000000400000-0x00000000004A0000-memory.dmp

        Filesize

        640KB

      • memory/268-70-0x0000000000400000-0x00000000004A0000-memory.dmp

        Filesize

        640KB

      • memory/672-69-0x0000000000400000-0x00000000004A0000-memory.dmp

        Filesize

        640KB

      • memory/672-87-0x0000000003840000-0x00000000038E0000-memory.dmp

        Filesize

        640KB

      • memory/672-91-0x0000000000400000-0x00000000004A0000-memory.dmp

        Filesize

        640KB

      • memory/672-96-0x0000000003840000-0x00000000038E0000-memory.dmp

        Filesize

        640KB

      • memory/768-93-0x0000000000400000-0x00000000004A0000-memory.dmp

        Filesize

        640KB

      • memory/1000-89-0x000007FEFC161000-0x000007FEFC163000-memory.dmp

        Filesize

        8KB

      • memory/1048-101-0x000000006BAB1000-0x000000006BAB3000-memory.dmp

        Filesize

        8KB

      • memory/1048-98-0x00000000715ED000-0x00000000715F8000-memory.dmp

        Filesize

        44KB

      • memory/1048-86-0x0000000070601000-0x0000000070603000-memory.dmp

        Filesize

        8KB

      • memory/1048-85-0x0000000072B81000-0x0000000072B84000-memory.dmp

        Filesize

        12KB

      • memory/1048-99-0x000000006BBA1000-0x000000006BBA3000-memory.dmp

        Filesize

        8KB

      • memory/1048-94-0x000000005FFF0000-0x0000000060000000-memory.dmp

        Filesize

        64KB

      • memory/1152-97-0x0000000000400000-0x00000000004A0000-memory.dmp

        Filesize

        640KB

      • memory/1152-88-0x0000000000400000-0x00000000004A0000-memory.dmp

        Filesize

        640KB

      • memory/1244-90-0x0000000000400000-0x00000000004A0000-memory.dmp

        Filesize

        640KB

      • memory/1244-72-0x0000000000400000-0x00000000004A0000-memory.dmp

        Filesize

        640KB

      • memory/1336-84-0x0000000000400000-0x00000000004A0000-memory.dmp

        Filesize

        640KB

      • memory/1336-54-0x0000000075931000-0x0000000075933000-memory.dmp

        Filesize

        8KB

      • memory/1336-68-0x0000000000400000-0x00000000004A0000-memory.dmp

        Filesize

        640KB