Analysis

  • max time kernel
    153s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 01:29

General

  • Target

    bc9781962a3ffc4a31a09feaba08e918a601f7679d955f68110c1ab5a9bc6109.exe

  • Size

    255KB

  • MD5

    2920809bfd784638750e0eb501cebddc

  • SHA1

    ad5e4c0ad912475afcfa321b7654ba498344abff

  • SHA256

    bc9781962a3ffc4a31a09feaba08e918a601f7679d955f68110c1ab5a9bc6109

  • SHA512

    6adbc5cdf5bf0c9eb978318a9c5e9dc9fc2b552b7b508fe5a87ddb2f63734826aa1e04833f77c04f9462186fa71e3d6034db81ebb00915f095c8afea87c89d3d

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJI:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIn

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 35 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 16 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\bc9781962a3ffc4a31a09feaba08e918a601f7679d955f68110c1ab5a9bc6109.exe
    "C:\Users\Admin\AppData\Local\Temp\bc9781962a3ffc4a31a09feaba08e918a601f7679d955f68110c1ab5a9bc6109.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:1552
    • C:\Windows\SysWOW64\zmeeqibqvc.exe
      zmeeqibqvc.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:632
      • C:\Windows\SysWOW64\qrhwrkyq.exe
        C:\Windows\system32\qrhwrkyq.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:1504
    • C:\Windows\SysWOW64\hepvqgxbqshgsqa.exe
      hepvqgxbqshgsqa.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:904
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c lookvhkrjzfxb.exe
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1784
        • C:\Windows\SysWOW64\lookvhkrjzfxb.exe
          lookvhkrjzfxb.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:1656
    • C:\Windows\SysWOW64\qrhwrkyq.exe
      qrhwrkyq.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:1472
    • C:\Windows\SysWOW64\lookvhkrjzfxb.exe
      lookvhkrjzfxb.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1112
    • 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:1320
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1672

    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

      106942dde61f36cb09b66c9f8e620e26

      SHA1

      c9abd5b4f36b0a941d4dd8756266793d5b5f4ea0

      SHA256

      7ba48aa1c9e619e7e7186579e9f0c307a20e2303300bfba9dc4cb2610a4e41d2

      SHA512

      4a03a761657e2d3d4669b636a798666b28089c74bb4af18629658cf0b5cf23fe0d084a45efae7dfc77c40675f15f016d37f641637fd8a390c2fb180bec6cdf20

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

      Filesize

      255KB

      MD5

      c55f05bf7c9988f2d0d5ce39dc01428c

      SHA1

      b44b89e625f675ab0330e4eef6147858ca3b034b

      SHA256

      e0873c8943337a82ce69a2778938b2d3ca1040c60d3220e6c28b81ed51a628ce

      SHA512

      d91907a5fae1ff6fbbe3257ce6865590175c74228ea3330cfd07c2e7607103f717437953d23556d319764cb9fff47e175216068948115bb2a5bcd4954e40949a

    • C:\Windows\SysWOW64\hepvqgxbqshgsqa.exe

      Filesize

      255KB

      MD5

      5883757cdd84a024fd2d684fa3251f56

      SHA1

      31c40c214480e7daf73420e241ad5149e9d50904

      SHA256

      3aaf6d14250f8a040859a487e927f62d17c035bcbf3b8d7845e7540754e8d265

      SHA512

      6c162305637ea66d939ab8ec8b63da63e2d982ad91e1d78b85700bee2dd80be3db7e8990404af53d0763d922dd7dccd42199c2f8bb4293f8f2d4642f113302e1

    • C:\Windows\SysWOW64\hepvqgxbqshgsqa.exe

      Filesize

      255KB

      MD5

      5883757cdd84a024fd2d684fa3251f56

      SHA1

      31c40c214480e7daf73420e241ad5149e9d50904

      SHA256

      3aaf6d14250f8a040859a487e927f62d17c035bcbf3b8d7845e7540754e8d265

      SHA512

      6c162305637ea66d939ab8ec8b63da63e2d982ad91e1d78b85700bee2dd80be3db7e8990404af53d0763d922dd7dccd42199c2f8bb4293f8f2d4642f113302e1

    • C:\Windows\SysWOW64\lookvhkrjzfxb.exe

      Filesize

      255KB

      MD5

      e375774ab81d0419aca8a700a2a153b1

      SHA1

      7b6785cd4fc8ae250f9449250b734f51ea765bee

      SHA256

      3e4c8db3ff41c96943117cdbc13f60e4ecb1f2a62d8b279ce6263ce03d1ccc28

      SHA512

      702dc78dc47bbf6ce1370914ed7ad16e21efb2a2f771c52c451c0bd2683ba9263955d208b582fdcb41286c14afe46fb94a6c421f7cd9c603f31e1f1a4eaf69c9

    • C:\Windows\SysWOW64\lookvhkrjzfxb.exe

      Filesize

      255KB

      MD5

      e375774ab81d0419aca8a700a2a153b1

      SHA1

      7b6785cd4fc8ae250f9449250b734f51ea765bee

      SHA256

      3e4c8db3ff41c96943117cdbc13f60e4ecb1f2a62d8b279ce6263ce03d1ccc28

      SHA512

      702dc78dc47bbf6ce1370914ed7ad16e21efb2a2f771c52c451c0bd2683ba9263955d208b582fdcb41286c14afe46fb94a6c421f7cd9c603f31e1f1a4eaf69c9

    • C:\Windows\SysWOW64\lookvhkrjzfxb.exe

      Filesize

      255KB

      MD5

      e375774ab81d0419aca8a700a2a153b1

      SHA1

      7b6785cd4fc8ae250f9449250b734f51ea765bee

      SHA256

      3e4c8db3ff41c96943117cdbc13f60e4ecb1f2a62d8b279ce6263ce03d1ccc28

      SHA512

      702dc78dc47bbf6ce1370914ed7ad16e21efb2a2f771c52c451c0bd2683ba9263955d208b582fdcb41286c14afe46fb94a6c421f7cd9c603f31e1f1a4eaf69c9

    • C:\Windows\SysWOW64\qrhwrkyq.exe

      Filesize

      255KB

      MD5

      32092ce1adb6e527532e4af8f953dc35

      SHA1

      ded80145eb035425eafbe432c5d49834b7e16050

      SHA256

      6be4a2b97a2eda231084641d588fe0cf83fe9059359b87f16ceaab468e9da886

      SHA512

      ea6098f5c9d13abb561f4760009bea4ea43e275673838aa8f45d4654021f3b4aae8a9727b2b68795339693e705d7e87400bda1d8f95d62d46ed27dd634e1be70

    • C:\Windows\SysWOW64\qrhwrkyq.exe

      Filesize

      255KB

      MD5

      32092ce1adb6e527532e4af8f953dc35

      SHA1

      ded80145eb035425eafbe432c5d49834b7e16050

      SHA256

      6be4a2b97a2eda231084641d588fe0cf83fe9059359b87f16ceaab468e9da886

      SHA512

      ea6098f5c9d13abb561f4760009bea4ea43e275673838aa8f45d4654021f3b4aae8a9727b2b68795339693e705d7e87400bda1d8f95d62d46ed27dd634e1be70

    • C:\Windows\SysWOW64\qrhwrkyq.exe

      Filesize

      255KB

      MD5

      32092ce1adb6e527532e4af8f953dc35

      SHA1

      ded80145eb035425eafbe432c5d49834b7e16050

      SHA256

      6be4a2b97a2eda231084641d588fe0cf83fe9059359b87f16ceaab468e9da886

      SHA512

      ea6098f5c9d13abb561f4760009bea4ea43e275673838aa8f45d4654021f3b4aae8a9727b2b68795339693e705d7e87400bda1d8f95d62d46ed27dd634e1be70

    • C:\Windows\SysWOW64\zmeeqibqvc.exe

      Filesize

      255KB

      MD5

      b3215acde47eeed4d38e3b06cd6f5560

      SHA1

      02466d2787943bc67c4d2e6963fa8baf2c5e0cb1

      SHA256

      0941d657b8f902b1d85cd18bd5ce04f8f0eacf2ce204c6c22510ae60b067d8f0

      SHA512

      736537cd8c84fc326df687a5a10d7b8e3b2fbd2f94515a1c4a63ceea271db3f964d8762646d08dfd659c01f71b5299e2a7f466447336d5aab58f6a7ab0761a09

    • C:\Windows\SysWOW64\zmeeqibqvc.exe

      Filesize

      255KB

      MD5

      b3215acde47eeed4d38e3b06cd6f5560

      SHA1

      02466d2787943bc67c4d2e6963fa8baf2c5e0cb1

      SHA256

      0941d657b8f902b1d85cd18bd5ce04f8f0eacf2ce204c6c22510ae60b067d8f0

      SHA512

      736537cd8c84fc326df687a5a10d7b8e3b2fbd2f94515a1c4a63ceea271db3f964d8762646d08dfd659c01f71b5299e2a7f466447336d5aab58f6a7ab0761a09

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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

      Filesize

      255KB

      MD5

      106942dde61f36cb09b66c9f8e620e26

      SHA1

      c9abd5b4f36b0a941d4dd8756266793d5b5f4ea0

      SHA256

      7ba48aa1c9e619e7e7186579e9f0c307a20e2303300bfba9dc4cb2610a4e41d2

      SHA512

      4a03a761657e2d3d4669b636a798666b28089c74bb4af18629658cf0b5cf23fe0d084a45efae7dfc77c40675f15f016d37f641637fd8a390c2fb180bec6cdf20

    • \Windows\SysWOW64\hepvqgxbqshgsqa.exe

      Filesize

      255KB

      MD5

      5883757cdd84a024fd2d684fa3251f56

      SHA1

      31c40c214480e7daf73420e241ad5149e9d50904

      SHA256

      3aaf6d14250f8a040859a487e927f62d17c035bcbf3b8d7845e7540754e8d265

      SHA512

      6c162305637ea66d939ab8ec8b63da63e2d982ad91e1d78b85700bee2dd80be3db7e8990404af53d0763d922dd7dccd42199c2f8bb4293f8f2d4642f113302e1

    • \Windows\SysWOW64\lookvhkrjzfxb.exe

      Filesize

      255KB

      MD5

      e375774ab81d0419aca8a700a2a153b1

      SHA1

      7b6785cd4fc8ae250f9449250b734f51ea765bee

      SHA256

      3e4c8db3ff41c96943117cdbc13f60e4ecb1f2a62d8b279ce6263ce03d1ccc28

      SHA512

      702dc78dc47bbf6ce1370914ed7ad16e21efb2a2f771c52c451c0bd2683ba9263955d208b582fdcb41286c14afe46fb94a6c421f7cd9c603f31e1f1a4eaf69c9

    • \Windows\SysWOW64\lookvhkrjzfxb.exe

      Filesize

      255KB

      MD5

      e375774ab81d0419aca8a700a2a153b1

      SHA1

      7b6785cd4fc8ae250f9449250b734f51ea765bee

      SHA256

      3e4c8db3ff41c96943117cdbc13f60e4ecb1f2a62d8b279ce6263ce03d1ccc28

      SHA512

      702dc78dc47bbf6ce1370914ed7ad16e21efb2a2f771c52c451c0bd2683ba9263955d208b582fdcb41286c14afe46fb94a6c421f7cd9c603f31e1f1a4eaf69c9

    • \Windows\SysWOW64\qrhwrkyq.exe

      Filesize

      255KB

      MD5

      32092ce1adb6e527532e4af8f953dc35

      SHA1

      ded80145eb035425eafbe432c5d49834b7e16050

      SHA256

      6be4a2b97a2eda231084641d588fe0cf83fe9059359b87f16ceaab468e9da886

      SHA512

      ea6098f5c9d13abb561f4760009bea4ea43e275673838aa8f45d4654021f3b4aae8a9727b2b68795339693e705d7e87400bda1d8f95d62d46ed27dd634e1be70

    • \Windows\SysWOW64\qrhwrkyq.exe

      Filesize

      255KB

      MD5

      32092ce1adb6e527532e4af8f953dc35

      SHA1

      ded80145eb035425eafbe432c5d49834b7e16050

      SHA256

      6be4a2b97a2eda231084641d588fe0cf83fe9059359b87f16ceaab468e9da886

      SHA512

      ea6098f5c9d13abb561f4760009bea4ea43e275673838aa8f45d4654021f3b4aae8a9727b2b68795339693e705d7e87400bda1d8f95d62d46ed27dd634e1be70

    • \Windows\SysWOW64\zmeeqibqvc.exe

      Filesize

      255KB

      MD5

      b3215acde47eeed4d38e3b06cd6f5560

      SHA1

      02466d2787943bc67c4d2e6963fa8baf2c5e0cb1

      SHA256

      0941d657b8f902b1d85cd18bd5ce04f8f0eacf2ce204c6c22510ae60b067d8f0

      SHA512

      736537cd8c84fc326df687a5a10d7b8e3b2fbd2f94515a1c4a63ceea271db3f964d8762646d08dfd659c01f71b5299e2a7f466447336d5aab58f6a7ab0761a09

    • memory/632-103-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/632-56-0x0000000000000000-mapping.dmp

    • memory/632-82-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/904-104-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/904-60-0x0000000000000000-mapping.dmp

    • memory/904-83-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1112-85-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1112-68-0x0000000000000000-mapping.dmp

    • memory/1112-106-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1320-94-0x00000000700E1000-0x00000000700E3000-memory.dmp

      Filesize

      8KB

    • memory/1320-109-0x00000000710CD000-0x00000000710D8000-memory.dmp

      Filesize

      44KB

    • memory/1320-113-0x00000000710CD000-0x00000000710D8000-memory.dmp

      Filesize

      44KB

    • memory/1320-112-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1320-93-0x0000000072661000-0x0000000072664000-memory.dmp

      Filesize

      12KB

    • memory/1320-91-0x0000000000000000-mapping.dmp

    • memory/1320-95-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1320-99-0x00000000710CD000-0x00000000710D8000-memory.dmp

      Filesize

      44KB

    • memory/1472-114-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1472-105-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1472-64-0x0000000000000000-mapping.dmp

    • memory/1472-84-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1504-88-0x0000000000000000-mapping.dmp

    • memory/1504-108-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1504-115-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1504-96-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1552-54-0x0000000075681000-0x0000000075683000-memory.dmp

      Filesize

      8KB

    • memory/1552-80-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1552-81-0x00000000021C0000-0x0000000002260000-memory.dmp

      Filesize

      640KB

    • memory/1552-92-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1656-107-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1656-77-0x0000000000000000-mapping.dmp

    • memory/1656-86-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1672-110-0x0000000000000000-mapping.dmp

    • memory/1672-111-0x000007FEFBB71000-0x000007FEFBB73000-memory.dmp

      Filesize

      8KB

    • memory/1784-75-0x0000000000000000-mapping.dmp