Analysis

  • max time kernel
    177s
  • max time network
    183s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 13:06

General

  • Target

    06230a9b23af1d5992b5e3b53fab006b97abaff28bfe5796c1df0c777ce51ef0.exe

  • Size

    255KB

  • MD5

    4b73b2f70055858cac755f272b7bd6f9

  • SHA1

    a685f822209eb53ee994bb933366c483f39750c4

  • SHA256

    06230a9b23af1d5992b5e3b53fab006b97abaff28bfe5796c1df0c777ce51ef0

  • SHA512

    05a00222c037d8121e837b9b93fc05fc8038263ca78fb034ba7bf35ab6ebaa7a3c64d63663f4b90de18ee6d4b37d47c0642b9a98ad083d75918ba9fa6dd8a45d

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJN:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIy

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
  • UPX packed file 28 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 11 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 13 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 20 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\06230a9b23af1d5992b5e3b53fab006b97abaff28bfe5796c1df0c777ce51ef0.exe
    "C:\Users\Admin\AppData\Local\Temp\06230a9b23af1d5992b5e3b53fab006b97abaff28bfe5796c1df0c777ce51ef0.exe"
    1⤵
    • Checks computer location settings
    • 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:4908
    • C:\Windows\SysWOW64\vytwglsrop.exe
      vytwglsrop.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
      • 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:320
      • C:\Windows\SysWOW64\maqojibp.exe
        C:\Windows\system32\maqojibp.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3760
    • C:\Windows\SysWOW64\upxygvyxtrzthrk.exe
      upxygvyxtrzthrk.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3256
    • C:\Windows\SysWOW64\maqojibp.exe
      maqojibp.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4792
    • C:\Windows\SysWOW64\tqyzhhjzdnnzj.exe
      tqyzhhjzdnnzj.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4468
    • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\mydoc.rtf" /o ""
      2⤵
      • Drops file in Windows directory
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:4572

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe

    Filesize

    255KB

    MD5

    a3db1c4e2fb7c00943170063f6fac697

    SHA1

    ff4c964dfda1cae28046f65705c4750e53f0edaa

    SHA256

    cf53337aa2fabb4a0444585cb077e059f7384de279f8406ba2d8605d6733f969

    SHA512

    4fa438847371208a07bf15ba52181f75f9c451bc6fcd4a71921fff57170c8d5af962673fc58f238582894f22d3bb88fb4809530686029b0a826896bd48d28df9

  • C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe

    Filesize

    255KB

    MD5

    4bfaf89295b56334c1cbccb4bc08048f

    SHA1

    76ea997b5b131843a96aff938c5a32efa9074f88

    SHA256

    b54a61c6b4069360103ac26e736cfc5fadbe38d4301c624c353b402edc0e2841

    SHA512

    5832cd3f9999430eeda756c6510b32ffadf2c831ffbd6e39edac3eea95aa517a8384f198b425c1fcfec8f28aab74c86cf5ac0b5fc023f21f652e2a5a52cbfe84

  • C:\Users\Admin\Documents\ApproveShow.doc.exe

    Filesize

    255KB

    MD5

    4d13ac357778c024fb0acb0864523d22

    SHA1

    e5797c1e4365a3b2d673ad823e44d634882c3558

    SHA256

    2ec6d41d4464035cab2012fdd6fda6dbb0e5be90f9b577278ab8d2c4e6c1b35a

    SHA512

    f57411824935bd582117099dfb245351b09ed59f57fc5b858c1238332b217dc803c50d9d5acc85cbb2771ef70e06cc4631abfd6a2b0ddfc22039e0e2a77c648b

  • C:\Users\Admin\Documents\ConvertToBackup.doc.exe

    Filesize

    255KB

    MD5

    27238545b3d525440dab9e6a4a38e5bf

    SHA1

    dcd1874210c954facf6078d3af03d4ada9fce837

    SHA256

    b0824ab4240cd498ae016c1a285e5757c18d134568c085a7a816388ad09df568

    SHA512

    5f922ec133be9323a8b368b1a48f9dbb29303ac0dc3fd5d0ca91eb8a52002cda51209c6c39015c7bb1c497d54a2300aa4e20e519220393bad6f58481bcbb2a83

  • C:\Windows\SysWOW64\maqojibp.exe

    Filesize

    255KB

    MD5

    4e66201b910d51ab1630373e043ceeff

    SHA1

    cda97454add79b7e803d18ab5880463d4ef1a404

    SHA256

    15c24cdaf3342e50c3b4730c5093b652542f70f5f1e30c66d429ea14b0bb26c5

    SHA512

    a6c54450c0238bf345921c22b3eaf8f7b068dc51efb3f3f3a9805e572a015eeff74843cf80da586310b29e975ed38c8faa763ebb9b48206b9ced3a972fb9e36b

  • C:\Windows\SysWOW64\maqojibp.exe

    Filesize

    255KB

    MD5

    4e66201b910d51ab1630373e043ceeff

    SHA1

    cda97454add79b7e803d18ab5880463d4ef1a404

    SHA256

    15c24cdaf3342e50c3b4730c5093b652542f70f5f1e30c66d429ea14b0bb26c5

    SHA512

    a6c54450c0238bf345921c22b3eaf8f7b068dc51efb3f3f3a9805e572a015eeff74843cf80da586310b29e975ed38c8faa763ebb9b48206b9ced3a972fb9e36b

  • C:\Windows\SysWOW64\maqojibp.exe

    Filesize

    255KB

    MD5

    4e66201b910d51ab1630373e043ceeff

    SHA1

    cda97454add79b7e803d18ab5880463d4ef1a404

    SHA256

    15c24cdaf3342e50c3b4730c5093b652542f70f5f1e30c66d429ea14b0bb26c5

    SHA512

    a6c54450c0238bf345921c22b3eaf8f7b068dc51efb3f3f3a9805e572a015eeff74843cf80da586310b29e975ed38c8faa763ebb9b48206b9ced3a972fb9e36b

  • C:\Windows\SysWOW64\tqyzhhjzdnnzj.exe

    Filesize

    255KB

    MD5

    6a40ae238e32e0e8374d76377fb9a4e3

    SHA1

    0e6a70124bd4a925bd9ef5e822b9a1ed5fcd676d

    SHA256

    fbbfc57c4ed275cc3545a625a1860f75be0be83d037835d8fb9ae180d0e6fda2

    SHA512

    0b721aa6dd3519da55660147aa572f2161c991578aead5870d8913ba44bd9d176d6fe707ed48f7f3a3f1867b05c24b9c5ea7f9edd24435fb85b8a783d7569ba6

  • C:\Windows\SysWOW64\tqyzhhjzdnnzj.exe

    Filesize

    255KB

    MD5

    6a40ae238e32e0e8374d76377fb9a4e3

    SHA1

    0e6a70124bd4a925bd9ef5e822b9a1ed5fcd676d

    SHA256

    fbbfc57c4ed275cc3545a625a1860f75be0be83d037835d8fb9ae180d0e6fda2

    SHA512

    0b721aa6dd3519da55660147aa572f2161c991578aead5870d8913ba44bd9d176d6fe707ed48f7f3a3f1867b05c24b9c5ea7f9edd24435fb85b8a783d7569ba6

  • C:\Windows\SysWOW64\upxygvyxtrzthrk.exe

    Filesize

    255KB

    MD5

    fc117fa1c30fe86e242dddb212213b62

    SHA1

    fcc8f6963fa199b771faa585d67ec4c34adca43f

    SHA256

    aed2624ef43488fb4192e0896d6061174a13bcbe45cc4ba03e71d4a2447bd07f

    SHA512

    7004d546f95af2cd5e816410772e789dfda71e2779e67e7f939a94ad5e85721c5cb2d524fcf956e5c3cfa684cfdb620b651de4d247a5ecb75807e017c045d2ce

  • C:\Windows\SysWOW64\upxygvyxtrzthrk.exe

    Filesize

    255KB

    MD5

    fc117fa1c30fe86e242dddb212213b62

    SHA1

    fcc8f6963fa199b771faa585d67ec4c34adca43f

    SHA256

    aed2624ef43488fb4192e0896d6061174a13bcbe45cc4ba03e71d4a2447bd07f

    SHA512

    7004d546f95af2cd5e816410772e789dfda71e2779e67e7f939a94ad5e85721c5cb2d524fcf956e5c3cfa684cfdb620b651de4d247a5ecb75807e017c045d2ce

  • C:\Windows\SysWOW64\vytwglsrop.exe

    Filesize

    255KB

    MD5

    176a87c05962f9a9b4a83dc581137b38

    SHA1

    367357d63d2a1273f602dc7095598a817645514a

    SHA256

    4adf0d3425e3f96f2d8b328575aeda94ad4f02a93591cb4638fe5ce015cc4851

    SHA512

    f823a8236cc7188304b1d6c368ffa4da03a9d70bcef052208f78057721da5911cd62f64c2a3f0baa3ca2816b10e2ca51161b4252196c817f55067d577b9ba130

  • C:\Windows\SysWOW64\vytwglsrop.exe

    Filesize

    255KB

    MD5

    176a87c05962f9a9b4a83dc581137b38

    SHA1

    367357d63d2a1273f602dc7095598a817645514a

    SHA256

    4adf0d3425e3f96f2d8b328575aeda94ad4f02a93591cb4638fe5ce015cc4851

    SHA512

    f823a8236cc7188304b1d6c368ffa4da03a9d70bcef052208f78057721da5911cd62f64c2a3f0baa3ca2816b10e2ca51161b4252196c817f55067d577b9ba130

  • C:\Windows\mydoc.rtf

    Filesize

    223B

    MD5

    06604e5941c126e2e7be02c5cd9f62ec

    SHA1

    4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

    SHA256

    85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

    SHA512

    803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

  • \??\c:\Users\Admin\Documents\ApproveShow.doc.exe

    Filesize

    255KB

    MD5

    4d13ac357778c024fb0acb0864523d22

    SHA1

    e5797c1e4365a3b2d673ad823e44d634882c3558

    SHA256

    2ec6d41d4464035cab2012fdd6fda6dbb0e5be90f9b577278ab8d2c4e6c1b35a

    SHA512

    f57411824935bd582117099dfb245351b09ed59f57fc5b858c1238332b217dc803c50d9d5acc85cbb2771ef70e06cc4631abfd6a2b0ddfc22039e0e2a77c648b

  • \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe

    Filesize

    255KB

    MD5

    c0d3f80296e9488404712ef5fe2b9b94

    SHA1

    aa2f07e50c92dce0bd8a0c209ce249331f622365

    SHA256

    90621fbd0880ea5c2de2039f445d3cb2504798259c45c2aa6f0b6d634daf3749

    SHA512

    243ed9e144ce63f93213e7f3f3cadd9605a73676c094885e94d686227d9161e7abea64e24110f86044fe4a24d5c52550bdbb3272ff694309b26db0ce9d2a940e

  • \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe

    Filesize

    255KB

    MD5

    9b1e1070d21f93ed443732a72cc9b6a8

    SHA1

    4f1d2ce8579bd404540322a2ff99bd7c25246244

    SHA256

    6f6447e0f56cdbe04d88188bb4ccadf0b68f13261f80427040225e2975a0e1ef

    SHA512

    e60c23ab4de4f0268c57b3b742c254550b385387050d1d3bf22f8b44aad2a8b2889001ba5f2b8aa76cf31c06a42a26a39325084220575c6191ebcc7820fa6bf6

  • memory/320-163-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/320-133-0x0000000000000000-mapping.dmp

  • memory/320-145-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3256-136-0x0000000000000000-mapping.dmp

  • memory/3256-164-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3256-146-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3760-149-0x0000000000000000-mapping.dmp

  • memory/3760-151-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3760-167-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4468-148-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4468-142-0x0000000000000000-mapping.dmp

  • memory/4468-166-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4572-159-0x00007FF9E5370000-0x00007FF9E5380000-memory.dmp

    Filesize

    64KB

  • memory/4572-157-0x00007FF9E5370000-0x00007FF9E5380000-memory.dmp

    Filesize

    64KB

  • memory/4572-152-0x0000000000000000-mapping.dmp

  • memory/4572-161-0x00007FF9E3000000-0x00007FF9E3010000-memory.dmp

    Filesize

    64KB

  • memory/4572-178-0x00007FF9E5370000-0x00007FF9E5380000-memory.dmp

    Filesize

    64KB

  • memory/4572-160-0x00007FF9E5370000-0x00007FF9E5380000-memory.dmp

    Filesize

    64KB

  • memory/4572-176-0x00007FF9E5370000-0x00007FF9E5380000-memory.dmp

    Filesize

    64KB

  • memory/4572-177-0x00007FF9E5370000-0x00007FF9E5380000-memory.dmp

    Filesize

    64KB

  • memory/4572-158-0x00007FF9E5370000-0x00007FF9E5380000-memory.dmp

    Filesize

    64KB

  • memory/4572-162-0x00007FF9E3000000-0x00007FF9E3010000-memory.dmp

    Filesize

    64KB

  • memory/4572-156-0x00007FF9E5370000-0x00007FF9E5380000-memory.dmp

    Filesize

    64KB

  • memory/4572-175-0x00007FF9E5370000-0x00007FF9E5380000-memory.dmp

    Filesize

    64KB

  • memory/4792-147-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4792-139-0x0000000000000000-mapping.dmp

  • memory/4792-165-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4908-132-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4908-153-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB