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Analysis

  • max time kernel
    153s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    30/10/2022, 21:00

General

  • Target

    5f1f593a6022d0e6e61cf521b2a944efa9255c79e26d67c6723d31c6f9886837.exe

  • Size

    255KB

  • MD5

    a17c4d5605e703cd930fffe4a41b7c40

  • SHA1

    5dd0163c2073b69e92db26310d563fb82c932160

  • SHA256

    5f1f593a6022d0e6e61cf521b2a944efa9255c79e26d67c6723d31c6f9886837

  • SHA512

    3f37372e7303d44346ecd2ad54ac27eb569df15ca7e9bc266ff7c457602f1b6bd93ee7637e51ac9d47b3310d680d6c840241ac77424ebc97e21d7ed4035085ac

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJm:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIB

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 30 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 15 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 14 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 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5f1f593a6022d0e6e61cf521b2a944efa9255c79e26d67c6723d31c6f9886837.exe
    "C:\Users\Admin\AppData\Local\Temp\5f1f593a6022d0e6e61cf521b2a944efa9255c79e26d67c6723d31c6f9886837.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:1492
    • C:\Windows\SysWOW64\qhnqkqsskx.exe
      qhnqkqsskx.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:1776
      • C:\Windows\SysWOW64\ofrngmrv.exe
        C:\Windows\system32\ofrngmrv.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:1732
    • C:\Windows\SysWOW64\tpxckpakmfvlwgu.exe
      tpxckpakmfvlwgu.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1388
    • C:\Windows\SysWOW64\ofrngmrv.exe
      ofrngmrv.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:1276
    • C:\Windows\SysWOW64\mjmgovpwmbsig.exe
      mjmgovpwmbsig.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:464
    • 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:1204
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1768

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      255KB

      MD5

      72847f872eef19227a3566b1338e1581

      SHA1

      68f6620eaf6393a6c3cabfccde817ca54ea9f51a

      SHA256

      edd84a1bed16ec7abe9abc4a83f2572c29ce95e88a98c1374ab3bbf5f4b9c227

      SHA512

      56116bfd4892b85dcc94789ccf2b67fdc65bdecd5b0e7d8e10d4ca2464dddde65c31119a4725d799ff4452404e0b2ad46a84fc544e08a25ed631f5bc27f3b17d

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

      Filesize

      255KB

      MD5

      6683ce9649af879e060a926060f7ea6c

      SHA1

      39eb8c95171b4c799f724dfdf2a76f1d91c7d28c

      SHA256

      8a6fcdbc3a6dc5780a0a3a07a86a3604eea1daa54c9bd5995ab874e01ad867b6

      SHA512

      5ccd29289a34c50ef989189c7922833cd4c3280fb9665c1f3d21bc18914a01a7953e37ee626c4b44b352d7189df8812456a1a75e3319d89e32e9d76440bc6c80

    • C:\Windows\SysWOW64\mjmgovpwmbsig.exe

      Filesize

      255KB

      MD5

      1e2de7a06d1d97be6723616d9c1d1360

      SHA1

      77d47e73767c4cf9771b67484fb1840e51ca5e5c

      SHA256

      61052b472bc3ff0342e9799cb966ba597796af127520536e7363f67abbc1d267

      SHA512

      587c90a804ff26a56f1190a3a69fa999a212d7e3b75a471d543746835ea5de058d978918e4c8b2038a1d0f040fb155c204c1dd3eab84a4b85823dd7a181a6604

    • C:\Windows\SysWOW64\mjmgovpwmbsig.exe

      Filesize

      255KB

      MD5

      1e2de7a06d1d97be6723616d9c1d1360

      SHA1

      77d47e73767c4cf9771b67484fb1840e51ca5e5c

      SHA256

      61052b472bc3ff0342e9799cb966ba597796af127520536e7363f67abbc1d267

      SHA512

      587c90a804ff26a56f1190a3a69fa999a212d7e3b75a471d543746835ea5de058d978918e4c8b2038a1d0f040fb155c204c1dd3eab84a4b85823dd7a181a6604

    • C:\Windows\SysWOW64\ofrngmrv.exe

      Filesize

      255KB

      MD5

      50fba63c21d414e8985afa4dabe75a6e

      SHA1

      8f86de8998fa4f99dde3783fa38291bd8254b690

      SHA256

      983ef6435bb9997417d738345ef3183cd9d7b507791cec5af1119f4ce1c6e671

      SHA512

      2a9194675a9b81910addbb71710ee684b5d0de13a3bf90b263127fcc403b07edc788a1acebd64524dfd89c6f0ddbde49c6fe4b8c6caae81dc82d8a47e38f767c

    • C:\Windows\SysWOW64\ofrngmrv.exe

      Filesize

      255KB

      MD5

      50fba63c21d414e8985afa4dabe75a6e

      SHA1

      8f86de8998fa4f99dde3783fa38291bd8254b690

      SHA256

      983ef6435bb9997417d738345ef3183cd9d7b507791cec5af1119f4ce1c6e671

      SHA512

      2a9194675a9b81910addbb71710ee684b5d0de13a3bf90b263127fcc403b07edc788a1acebd64524dfd89c6f0ddbde49c6fe4b8c6caae81dc82d8a47e38f767c

    • C:\Windows\SysWOW64\ofrngmrv.exe

      Filesize

      255KB

      MD5

      50fba63c21d414e8985afa4dabe75a6e

      SHA1

      8f86de8998fa4f99dde3783fa38291bd8254b690

      SHA256

      983ef6435bb9997417d738345ef3183cd9d7b507791cec5af1119f4ce1c6e671

      SHA512

      2a9194675a9b81910addbb71710ee684b5d0de13a3bf90b263127fcc403b07edc788a1acebd64524dfd89c6f0ddbde49c6fe4b8c6caae81dc82d8a47e38f767c

    • C:\Windows\SysWOW64\qhnqkqsskx.exe

      Filesize

      255KB

      MD5

      aedcad22d2f72776a08f7706dcdbadc8

      SHA1

      ca890be055c18b0ccf0cc8a554a4723b60c9c088

      SHA256

      b6acb60ec7c79d15ba10653032916a9db0d5b79186065e0eda13d3c221b148e6

      SHA512

      ca1c8e35d786fc9674f0b5459176f7829863de6ecd702c54d8032e2c6993ed16c713e06921d9148b2418c30e8022b2beec22af4e3ec7e6965bde25c892fdd062

    • C:\Windows\SysWOW64\qhnqkqsskx.exe

      Filesize

      255KB

      MD5

      aedcad22d2f72776a08f7706dcdbadc8

      SHA1

      ca890be055c18b0ccf0cc8a554a4723b60c9c088

      SHA256

      b6acb60ec7c79d15ba10653032916a9db0d5b79186065e0eda13d3c221b148e6

      SHA512

      ca1c8e35d786fc9674f0b5459176f7829863de6ecd702c54d8032e2c6993ed16c713e06921d9148b2418c30e8022b2beec22af4e3ec7e6965bde25c892fdd062

    • C:\Windows\SysWOW64\tpxckpakmfvlwgu.exe

      Filesize

      255KB

      MD5

      25d7235af490fe073930eba86f5ca3ef

      SHA1

      d48e5ff68852324d6626c253fa894cf58dc7485c

      SHA256

      6918d3a31d934531c8b38dadc8d71ac3ce1456394814f0e5758b5cb668ca7f64

      SHA512

      1d8f9215cbeebe7d8f28cb76ebd89d0a0d070aae0a8cc9e5ee5b0a32b1824bdba8c7176666ff69af0bdb5c68dd8e09c296b00f3d3a88aa6b34309321d2ac0a77

    • C:\Windows\SysWOW64\tpxckpakmfvlwgu.exe

      Filesize

      255KB

      MD5

      25d7235af490fe073930eba86f5ca3ef

      SHA1

      d48e5ff68852324d6626c253fa894cf58dc7485c

      SHA256

      6918d3a31d934531c8b38dadc8d71ac3ce1456394814f0e5758b5cb668ca7f64

      SHA512

      1d8f9215cbeebe7d8f28cb76ebd89d0a0d070aae0a8cc9e5ee5b0a32b1824bdba8c7176666ff69af0bdb5c68dd8e09c296b00f3d3a88aa6b34309321d2ac0a77

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \Windows\SysWOW64\mjmgovpwmbsig.exe

      Filesize

      255KB

      MD5

      1e2de7a06d1d97be6723616d9c1d1360

      SHA1

      77d47e73767c4cf9771b67484fb1840e51ca5e5c

      SHA256

      61052b472bc3ff0342e9799cb966ba597796af127520536e7363f67abbc1d267

      SHA512

      587c90a804ff26a56f1190a3a69fa999a212d7e3b75a471d543746835ea5de058d978918e4c8b2038a1d0f040fb155c204c1dd3eab84a4b85823dd7a181a6604

    • \Windows\SysWOW64\ofrngmrv.exe

      Filesize

      255KB

      MD5

      50fba63c21d414e8985afa4dabe75a6e

      SHA1

      8f86de8998fa4f99dde3783fa38291bd8254b690

      SHA256

      983ef6435bb9997417d738345ef3183cd9d7b507791cec5af1119f4ce1c6e671

      SHA512

      2a9194675a9b81910addbb71710ee684b5d0de13a3bf90b263127fcc403b07edc788a1acebd64524dfd89c6f0ddbde49c6fe4b8c6caae81dc82d8a47e38f767c

    • \Windows\SysWOW64\ofrngmrv.exe

      Filesize

      255KB

      MD5

      50fba63c21d414e8985afa4dabe75a6e

      SHA1

      8f86de8998fa4f99dde3783fa38291bd8254b690

      SHA256

      983ef6435bb9997417d738345ef3183cd9d7b507791cec5af1119f4ce1c6e671

      SHA512

      2a9194675a9b81910addbb71710ee684b5d0de13a3bf90b263127fcc403b07edc788a1acebd64524dfd89c6f0ddbde49c6fe4b8c6caae81dc82d8a47e38f767c

    • \Windows\SysWOW64\qhnqkqsskx.exe

      Filesize

      255KB

      MD5

      aedcad22d2f72776a08f7706dcdbadc8

      SHA1

      ca890be055c18b0ccf0cc8a554a4723b60c9c088

      SHA256

      b6acb60ec7c79d15ba10653032916a9db0d5b79186065e0eda13d3c221b148e6

      SHA512

      ca1c8e35d786fc9674f0b5459176f7829863de6ecd702c54d8032e2c6993ed16c713e06921d9148b2418c30e8022b2beec22af4e3ec7e6965bde25c892fdd062

    • \Windows\SysWOW64\tpxckpakmfvlwgu.exe

      Filesize

      255KB

      MD5

      25d7235af490fe073930eba86f5ca3ef

      SHA1

      d48e5ff68852324d6626c253fa894cf58dc7485c

      SHA256

      6918d3a31d934531c8b38dadc8d71ac3ce1456394814f0e5758b5cb668ca7f64

      SHA512

      1d8f9215cbeebe7d8f28cb76ebd89d0a0d070aae0a8cc9e5ee5b0a32b1824bdba8c7176666ff69af0bdb5c68dd8e09c296b00f3d3a88aa6b34309321d2ac0a77

    • memory/464-102-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/464-90-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1204-103-0x0000000071A0D000-0x0000000071A18000-memory.dmp

      Filesize

      44KB

    • memory/1204-87-0x0000000072FA1000-0x0000000072FA4000-memory.dmp

      Filesize

      12KB

    • memory/1204-94-0x0000000071A0D000-0x0000000071A18000-memory.dmp

      Filesize

      44KB

    • memory/1204-91-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1204-108-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1204-109-0x0000000071A0D000-0x0000000071A18000-memory.dmp

      Filesize

      44KB

    • memory/1204-88-0x0000000070A21000-0x0000000070A23000-memory.dmp

      Filesize

      8KB

    • memory/1276-77-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1276-107-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1276-98-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1388-75-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1388-97-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1492-54-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

      Filesize

      8KB

    • memory/1492-69-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1492-86-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1492-70-0x00000000022C0000-0x0000000002360000-memory.dmp

      Filesize

      640KB

    • memory/1732-83-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1732-100-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1732-106-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1768-105-0x000007FEFC5A1000-0x000007FEFC5A3000-memory.dmp

      Filesize

      8KB

    • memory/1776-73-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1776-101-0x0000000003840000-0x00000000038E0000-memory.dmp

      Filesize

      640KB

    • memory/1776-99-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1776-89-0x0000000003840000-0x00000000038E0000-memory.dmp

      Filesize

      640KB