Analysis

  • max time kernel
    152s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 21:02

General

  • Target

    9770da26e1b20d94ab37a12d4e719dceaa6130fd268482c5d475c196f8ddc94c.exe

  • Size

    255KB

  • MD5

    5d634f5d3bd9fd9d8c3fcbcc1741b45c

  • SHA1

    8e474559c791817ef9a362cfc2a2396157ae9b13

  • SHA256

    9770da26e1b20d94ab37a12d4e719dceaa6130fd268482c5d475c196f8ddc94c

  • SHA512

    9d4cae4d4547ad903b9978b77bf88459324ae8a14c30dc5b18d61518930ef4341f14011c841e09db68e9d7d9bd7a5990f4b31eaf923b8542f138adb6e8543ac5

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJG:1xlZam+akqx6YQJXcNlEHUIQeE3mmBID

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 6 IoCs
  • UPX packed file 32 IoCs

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

  • Loads dropped DLL 6 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 14 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 5 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 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 21 IoCs
  • Suspicious use of SendNotifyMessage 21 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9770da26e1b20d94ab37a12d4e719dceaa6130fd268482c5d475c196f8ddc94c.exe
    "C:\Users\Admin\AppData\Local\Temp\9770da26e1b20d94ab37a12d4e719dceaa6130fd268482c5d475c196f8ddc94c.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:1632
    • C:\Windows\SysWOW64\otqfkqcqle.exe
      otqfkqcqle.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:1840
      • C:\Windows\SysWOW64\dxjowzef.exe
        C:\Windows\system32\dxjowzef.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:844
    • C:\Windows\SysWOW64\qekelzesddxjkjk.exe
      qekelzesddxjkjk.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1812
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ovfuushiqiorz.exe
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:556
        • C:\Windows\SysWOW64\ovfuushiqiorz.exe
          ovfuushiqiorz.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:1964
    • C:\Windows\SysWOW64\dxjowzef.exe
      dxjowzef.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:948
    • C:\Windows\SysWOW64\ovfuushiqiorz.exe
      ovfuushiqiorz.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:596
    • 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 SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1104
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1532

    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

      a85a70cd17f6681fc4bdbad730db52f2

      SHA1

      7eb7f22444782ce6e5ed2e65c08d736f09f5cce5

      SHA256

      11d20e3cb67c1a998ab40e5d4ca6a0c6712ab41753f664cc4cf2d956b96ef5c3

      SHA512

      37b6892ca1087cd2d26521a34f678c42d25e9941d417de12a07fed4f4893bee104588b32a6d0174f2477b9db6d8e5201156c6e764ec7a5a4db3b796d8c830822

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

      Filesize

      255KB

      MD5

      1dfc596d80e01bf57b181813d87020a2

      SHA1

      4b6a5fc45b636670867e100f11a5d377d585c506

      SHA256

      98bd2b081695ff4d5ebe7af908b1ffb22079dbc2dd2b9164b902abc833f2ce8a

      SHA512

      9966c91bdd8861d0295551a0c5754b5c651cd1b5e7b8fc9b9970f66cc6c4dab904723727f2be4d1d0cbda0ce01892e93a1b24a54b5f7042e948ea50459ba0207

    • C:\Windows\SysWOW64\dxjowzef.exe

      Filesize

      255KB

      MD5

      3f3aea7058d4a6bd3aa642962011f301

      SHA1

      12a1c5d1695c5e11fdc41bb45c2362db1786b932

      SHA256

      c8833c15b23607183b4283b7eaf720f61d4575c66acbdae11cfac3e93f691b63

      SHA512

      051dc45409be39a10b2352a21cc713c71ea5d6fa8ee34027b91d3c4067f74b29fa24811e4cf88c20714dd7b25a3dec489ee8291c346397ec51a22d7a06dd1e50

    • C:\Windows\SysWOW64\dxjowzef.exe

      Filesize

      255KB

      MD5

      3f3aea7058d4a6bd3aa642962011f301

      SHA1

      12a1c5d1695c5e11fdc41bb45c2362db1786b932

      SHA256

      c8833c15b23607183b4283b7eaf720f61d4575c66acbdae11cfac3e93f691b63

      SHA512

      051dc45409be39a10b2352a21cc713c71ea5d6fa8ee34027b91d3c4067f74b29fa24811e4cf88c20714dd7b25a3dec489ee8291c346397ec51a22d7a06dd1e50

    • C:\Windows\SysWOW64\dxjowzef.exe

      Filesize

      255KB

      MD5

      3f3aea7058d4a6bd3aa642962011f301

      SHA1

      12a1c5d1695c5e11fdc41bb45c2362db1786b932

      SHA256

      c8833c15b23607183b4283b7eaf720f61d4575c66acbdae11cfac3e93f691b63

      SHA512

      051dc45409be39a10b2352a21cc713c71ea5d6fa8ee34027b91d3c4067f74b29fa24811e4cf88c20714dd7b25a3dec489ee8291c346397ec51a22d7a06dd1e50

    • C:\Windows\SysWOW64\otqfkqcqle.exe

      Filesize

      255KB

      MD5

      51e4fe823c36e82a7d75143c0e1b2878

      SHA1

      c2bf934009bdba74b7e248977f6d12bd649c9f59

      SHA256

      b44867e981130f261ff7e5135acfac5a951ab308b8d228035468bde41823f31c

      SHA512

      4560b5d78db13c5a46c10a5ade5cfa4a618f2984404ca3373310327a23d24fa82e9283bd55ee282326c7b68696c961c02560ff46bc936252bc2d1c20766206e6

    • C:\Windows\SysWOW64\otqfkqcqle.exe

      Filesize

      255KB

      MD5

      51e4fe823c36e82a7d75143c0e1b2878

      SHA1

      c2bf934009bdba74b7e248977f6d12bd649c9f59

      SHA256

      b44867e981130f261ff7e5135acfac5a951ab308b8d228035468bde41823f31c

      SHA512

      4560b5d78db13c5a46c10a5ade5cfa4a618f2984404ca3373310327a23d24fa82e9283bd55ee282326c7b68696c961c02560ff46bc936252bc2d1c20766206e6

    • C:\Windows\SysWOW64\ovfuushiqiorz.exe

      Filesize

      255KB

      MD5

      866c3727d8e9849cfce7dd1f184d4922

      SHA1

      729124461ac6bebf7bdd63d1aec36c728786935c

      SHA256

      71d076f29a13385198d0e22c9aeb23c7f9afb4e1378ce1e9163f427af5fec70b

      SHA512

      a3a3e9b0dd636b35cce2a76e82f923c4a7dc7e10140074547c7a3a70eceeb1763778dd9d439080d4676adb0606e59efcd51458afaa29a54b8fa2865f27232624

    • C:\Windows\SysWOW64\ovfuushiqiorz.exe

      Filesize

      255KB

      MD5

      866c3727d8e9849cfce7dd1f184d4922

      SHA1

      729124461ac6bebf7bdd63d1aec36c728786935c

      SHA256

      71d076f29a13385198d0e22c9aeb23c7f9afb4e1378ce1e9163f427af5fec70b

      SHA512

      a3a3e9b0dd636b35cce2a76e82f923c4a7dc7e10140074547c7a3a70eceeb1763778dd9d439080d4676adb0606e59efcd51458afaa29a54b8fa2865f27232624

    • C:\Windows\SysWOW64\ovfuushiqiorz.exe

      Filesize

      255KB

      MD5

      866c3727d8e9849cfce7dd1f184d4922

      SHA1

      729124461ac6bebf7bdd63d1aec36c728786935c

      SHA256

      71d076f29a13385198d0e22c9aeb23c7f9afb4e1378ce1e9163f427af5fec70b

      SHA512

      a3a3e9b0dd636b35cce2a76e82f923c4a7dc7e10140074547c7a3a70eceeb1763778dd9d439080d4676adb0606e59efcd51458afaa29a54b8fa2865f27232624

    • C:\Windows\SysWOW64\qekelzesddxjkjk.exe

      Filesize

      255KB

      MD5

      74ffa33de51acc79b93fcb5873e66193

      SHA1

      1791b9ffa8fa3235b753ed362480b02bc4d0dde8

      SHA256

      67dddac73f20cf945e0108de09b1e1966c40bfd308ea06c5000a26f463631c92

      SHA512

      d177d9af11288840b409002a40bab8cc674065c1cd2a9241e930b80892c2bbef0680ca97aad28151decc2e90062582d028e3b7ed494a4bcedf82832e1a8c09e2

    • C:\Windows\SysWOW64\qekelzesddxjkjk.exe

      Filesize

      255KB

      MD5

      74ffa33de51acc79b93fcb5873e66193

      SHA1

      1791b9ffa8fa3235b753ed362480b02bc4d0dde8

      SHA256

      67dddac73f20cf945e0108de09b1e1966c40bfd308ea06c5000a26f463631c92

      SHA512

      d177d9af11288840b409002a40bab8cc674065c1cd2a9241e930b80892c2bbef0680ca97aad28151decc2e90062582d028e3b7ed494a4bcedf82832e1a8c09e2

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \Windows\SysWOW64\dxjowzef.exe

      Filesize

      255KB

      MD5

      3f3aea7058d4a6bd3aa642962011f301

      SHA1

      12a1c5d1695c5e11fdc41bb45c2362db1786b932

      SHA256

      c8833c15b23607183b4283b7eaf720f61d4575c66acbdae11cfac3e93f691b63

      SHA512

      051dc45409be39a10b2352a21cc713c71ea5d6fa8ee34027b91d3c4067f74b29fa24811e4cf88c20714dd7b25a3dec489ee8291c346397ec51a22d7a06dd1e50

    • \Windows\SysWOW64\dxjowzef.exe

      Filesize

      255KB

      MD5

      3f3aea7058d4a6bd3aa642962011f301

      SHA1

      12a1c5d1695c5e11fdc41bb45c2362db1786b932

      SHA256

      c8833c15b23607183b4283b7eaf720f61d4575c66acbdae11cfac3e93f691b63

      SHA512

      051dc45409be39a10b2352a21cc713c71ea5d6fa8ee34027b91d3c4067f74b29fa24811e4cf88c20714dd7b25a3dec489ee8291c346397ec51a22d7a06dd1e50

    • \Windows\SysWOW64\otqfkqcqle.exe

      Filesize

      255KB

      MD5

      51e4fe823c36e82a7d75143c0e1b2878

      SHA1

      c2bf934009bdba74b7e248977f6d12bd649c9f59

      SHA256

      b44867e981130f261ff7e5135acfac5a951ab308b8d228035468bde41823f31c

      SHA512

      4560b5d78db13c5a46c10a5ade5cfa4a618f2984404ca3373310327a23d24fa82e9283bd55ee282326c7b68696c961c02560ff46bc936252bc2d1c20766206e6

    • \Windows\SysWOW64\ovfuushiqiorz.exe

      Filesize

      255KB

      MD5

      866c3727d8e9849cfce7dd1f184d4922

      SHA1

      729124461ac6bebf7bdd63d1aec36c728786935c

      SHA256

      71d076f29a13385198d0e22c9aeb23c7f9afb4e1378ce1e9163f427af5fec70b

      SHA512

      a3a3e9b0dd636b35cce2a76e82f923c4a7dc7e10140074547c7a3a70eceeb1763778dd9d439080d4676adb0606e59efcd51458afaa29a54b8fa2865f27232624

    • \Windows\SysWOW64\ovfuushiqiorz.exe

      Filesize

      255KB

      MD5

      866c3727d8e9849cfce7dd1f184d4922

      SHA1

      729124461ac6bebf7bdd63d1aec36c728786935c

      SHA256

      71d076f29a13385198d0e22c9aeb23c7f9afb4e1378ce1e9163f427af5fec70b

      SHA512

      a3a3e9b0dd636b35cce2a76e82f923c4a7dc7e10140074547c7a3a70eceeb1763778dd9d439080d4676adb0606e59efcd51458afaa29a54b8fa2865f27232624

    • \Windows\SysWOW64\qekelzesddxjkjk.exe

      Filesize

      255KB

      MD5

      74ffa33de51acc79b93fcb5873e66193

      SHA1

      1791b9ffa8fa3235b753ed362480b02bc4d0dde8

      SHA256

      67dddac73f20cf945e0108de09b1e1966c40bfd308ea06c5000a26f463631c92

      SHA512

      d177d9af11288840b409002a40bab8cc674065c1cd2a9241e930b80892c2bbef0680ca97aad28151decc2e90062582d028e3b7ed494a4bcedf82832e1a8c09e2

    • memory/556-74-0x0000000000000000-mapping.dmp

    • memory/596-70-0x0000000000000000-mapping.dmp

    • memory/596-103-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/596-89-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/844-91-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/844-81-0x0000000000000000-mapping.dmp

    • memory/844-105-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/948-102-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/948-66-0x0000000000000000-mapping.dmp

    • memory/948-88-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1104-92-0x0000000000000000-mapping.dmp

    • memory/1104-111-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1104-112-0x0000000070BDD000-0x0000000070BE8000-memory.dmp

      Filesize

      44KB

    • memory/1104-106-0x0000000070BDD000-0x0000000070BE8000-memory.dmp

      Filesize

      44KB

    • memory/1104-98-0x0000000070BDD000-0x0000000070BE8000-memory.dmp

      Filesize

      44KB

    • memory/1104-94-0x0000000072171000-0x0000000072174000-memory.dmp

      Filesize

      12KB

    • memory/1104-95-0x000000006FBF1000-0x000000006FBF3000-memory.dmp

      Filesize

      8KB

    • memory/1104-96-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1532-109-0x0000000000000000-mapping.dmp

    • memory/1532-110-0x000007FEFB821000-0x000007FEFB823000-memory.dmp

      Filesize

      8KB

    • memory/1632-93-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1632-54-0x0000000075071000-0x0000000075073000-memory.dmp

      Filesize

      8KB

    • memory/1632-84-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1632-85-0x00000000023A0000-0x0000000002440000-memory.dmp

      Filesize

      640KB

    • memory/1812-87-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1812-101-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1812-61-0x0000000000000000-mapping.dmp

    • memory/1840-100-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1840-86-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1840-56-0x0000000000000000-mapping.dmp

    • memory/1964-104-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1964-90-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1964-77-0x0000000000000000-mapping.dmp