Analysis

  • max time kernel
    160s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 21:03

General

  • Target

    7a268510a83851b6c3442d1e7111baf53729ad3562bca45d67f364f1ddb7fff1.exe

  • Size

    255KB

  • MD5

    f245eab61c253a24c28a1e410cd0b077

  • SHA1

    f9cdee35ad2005d88ea04503875226ac204584dd

  • SHA256

    7a268510a83851b6c3442d1e7111baf53729ad3562bca45d67f364f1ddb7fff1

  • SHA512

    064365b1b254889eaa7a950f0431d995a32f80bb24166849f94398d5fc76b9f7f186304b98c490169239a51df9cd85752582a72a89c82d6b651547628189b65e

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJi:1xlZam+akqx6YQJXcNlEHUIQeE3mmBI3

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 25 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 48 IoCs

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

  • Modifies WinLogon 2 TTPs 2 IoCs
  • AutoIT Executable 10 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 8 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 15 IoCs
  • Suspicious use of SendNotifyMessage 15 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7a268510a83851b6c3442d1e7111baf53729ad3562bca45d67f364f1ddb7fff1.exe
    "C:\Users\Admin\AppData\Local\Temp\7a268510a83851b6c3442d1e7111baf53729ad3562bca45d67f364f1ddb7fff1.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:1380
    • C:\Windows\SysWOW64\yxmrugkoxz.exe
      yxmrugkoxz.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:1744
      • C:\Windows\SysWOW64\wligxxwd.exe
        C:\Windows\system32\wligxxwd.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:1308
    • C:\Windows\SysWOW64\hkihoratjcpmxbi.exe
      hkihoratjcpmxbi.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1204
    • C:\Windows\SysWOW64\wligxxwd.exe
      wligxxwd.exe
      2⤵
      • Executes dropped EXE
      PID:584
    • C:\Windows\SysWOW64\znpzrshxvivjf.exe
      znpzrshxvivjf.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1516
    • 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:1876
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1940

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Windows\SysWOW64\hkihoratjcpmxbi.exe

      Filesize

      255KB

      MD5

      911dfacd2bbd3739d01c84772fbfea72

      SHA1

      f789d570f733aec434a960013e0c565a4061d19b

      SHA256

      ab6dd2c30744bb1b6d76eadb0b203eec4aa5727c742e81c62a793e59593d3b6a

      SHA512

      3eab085777b9ef8be226eaea4a182a6fbe2969651f46f69ac081c752c424c0c8331e4a7a3ae89ff9bed821201c346fa1431e3564705a86158885751bc26eed6c

    • C:\Windows\SysWOW64\hkihoratjcpmxbi.exe

      Filesize

      255KB

      MD5

      911dfacd2bbd3739d01c84772fbfea72

      SHA1

      f789d570f733aec434a960013e0c565a4061d19b

      SHA256

      ab6dd2c30744bb1b6d76eadb0b203eec4aa5727c742e81c62a793e59593d3b6a

      SHA512

      3eab085777b9ef8be226eaea4a182a6fbe2969651f46f69ac081c752c424c0c8331e4a7a3ae89ff9bed821201c346fa1431e3564705a86158885751bc26eed6c

    • C:\Windows\SysWOW64\wligxxwd.exe

      Filesize

      255KB

      MD5

      6a58a26ceabead4d6a4a92a552381da5

      SHA1

      edccba088ee75a63224af9e5b2612069c3a7e40a

      SHA256

      75c0227c26f8422d6e3bef717d22055566c39a0c9e246a1483111eeb6648cc43

      SHA512

      f7ce3bec0d24fe8205079a42a23b75c66f007df389c840b2f5cb7332d17d3c589084ce4c6dcf14bad9ae0845e14b5df3580635d7f35be0e0e121469f665c03d9

    • C:\Windows\SysWOW64\wligxxwd.exe

      Filesize

      255KB

      MD5

      6a58a26ceabead4d6a4a92a552381da5

      SHA1

      edccba088ee75a63224af9e5b2612069c3a7e40a

      SHA256

      75c0227c26f8422d6e3bef717d22055566c39a0c9e246a1483111eeb6648cc43

      SHA512

      f7ce3bec0d24fe8205079a42a23b75c66f007df389c840b2f5cb7332d17d3c589084ce4c6dcf14bad9ae0845e14b5df3580635d7f35be0e0e121469f665c03d9

    • C:\Windows\SysWOW64\wligxxwd.exe

      Filesize

      255KB

      MD5

      6a58a26ceabead4d6a4a92a552381da5

      SHA1

      edccba088ee75a63224af9e5b2612069c3a7e40a

      SHA256

      75c0227c26f8422d6e3bef717d22055566c39a0c9e246a1483111eeb6648cc43

      SHA512

      f7ce3bec0d24fe8205079a42a23b75c66f007df389c840b2f5cb7332d17d3c589084ce4c6dcf14bad9ae0845e14b5df3580635d7f35be0e0e121469f665c03d9

    • C:\Windows\SysWOW64\yxmrugkoxz.exe

      Filesize

      255KB

      MD5

      6efd4de54030b520e4d771112ec37e1d

      SHA1

      16bfd72111bb84fa714e3375b3a298b225d86b16

      SHA256

      638acafbea3ab40c727eb07c5a7f9adfbbc90e1548c4d2c61c1db1c9c2d5ee30

      SHA512

      475c396b8e10bb83ec82760fde0a8042fb70720b460bccfaf31a43ecb4bc14e8053b64ba45f6b24b10cc86148b4d0cd847b0a5c32f05a7182047b1ee81e674e0

    • C:\Windows\SysWOW64\yxmrugkoxz.exe

      Filesize

      255KB

      MD5

      6efd4de54030b520e4d771112ec37e1d

      SHA1

      16bfd72111bb84fa714e3375b3a298b225d86b16

      SHA256

      638acafbea3ab40c727eb07c5a7f9adfbbc90e1548c4d2c61c1db1c9c2d5ee30

      SHA512

      475c396b8e10bb83ec82760fde0a8042fb70720b460bccfaf31a43ecb4bc14e8053b64ba45f6b24b10cc86148b4d0cd847b0a5c32f05a7182047b1ee81e674e0

    • C:\Windows\SysWOW64\znpzrshxvivjf.exe

      Filesize

      255KB

      MD5

      1221b1ba13557f5b9b6da23facd3d196

      SHA1

      1ad71d865223c8c666147ec5a61659b4c9082f88

      SHA256

      992d2d18d063719d45559c924fa97e70f79338569a23be7da4c2983c84fd0cd1

      SHA512

      2fdc769cbbed41636f240e8fb1b321efdd9ce9f13146c206fd960de1dd124ee981f7d7540e0810389a1791c1d19d51f93bb7ff98506e391b4374b5f3d0b44aec

    • C:\Windows\SysWOW64\znpzrshxvivjf.exe

      Filesize

      255KB

      MD5

      1221b1ba13557f5b9b6da23facd3d196

      SHA1

      1ad71d865223c8c666147ec5a61659b4c9082f88

      SHA256

      992d2d18d063719d45559c924fa97e70f79338569a23be7da4c2983c84fd0cd1

      SHA512

      2fdc769cbbed41636f240e8fb1b321efdd9ce9f13146c206fd960de1dd124ee981f7d7540e0810389a1791c1d19d51f93bb7ff98506e391b4374b5f3d0b44aec

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \Windows\SysWOW64\hkihoratjcpmxbi.exe

      Filesize

      255KB

      MD5

      911dfacd2bbd3739d01c84772fbfea72

      SHA1

      f789d570f733aec434a960013e0c565a4061d19b

      SHA256

      ab6dd2c30744bb1b6d76eadb0b203eec4aa5727c742e81c62a793e59593d3b6a

      SHA512

      3eab085777b9ef8be226eaea4a182a6fbe2969651f46f69ac081c752c424c0c8331e4a7a3ae89ff9bed821201c346fa1431e3564705a86158885751bc26eed6c

    • \Windows\SysWOW64\wligxxwd.exe

      Filesize

      255KB

      MD5

      6a58a26ceabead4d6a4a92a552381da5

      SHA1

      edccba088ee75a63224af9e5b2612069c3a7e40a

      SHA256

      75c0227c26f8422d6e3bef717d22055566c39a0c9e246a1483111eeb6648cc43

      SHA512

      f7ce3bec0d24fe8205079a42a23b75c66f007df389c840b2f5cb7332d17d3c589084ce4c6dcf14bad9ae0845e14b5df3580635d7f35be0e0e121469f665c03d9

    • \Windows\SysWOW64\wligxxwd.exe

      Filesize

      255KB

      MD5

      6a58a26ceabead4d6a4a92a552381da5

      SHA1

      edccba088ee75a63224af9e5b2612069c3a7e40a

      SHA256

      75c0227c26f8422d6e3bef717d22055566c39a0c9e246a1483111eeb6648cc43

      SHA512

      f7ce3bec0d24fe8205079a42a23b75c66f007df389c840b2f5cb7332d17d3c589084ce4c6dcf14bad9ae0845e14b5df3580635d7f35be0e0e121469f665c03d9

    • \Windows\SysWOW64\yxmrugkoxz.exe

      Filesize

      255KB

      MD5

      6efd4de54030b520e4d771112ec37e1d

      SHA1

      16bfd72111bb84fa714e3375b3a298b225d86b16

      SHA256

      638acafbea3ab40c727eb07c5a7f9adfbbc90e1548c4d2c61c1db1c9c2d5ee30

      SHA512

      475c396b8e10bb83ec82760fde0a8042fb70720b460bccfaf31a43ecb4bc14e8053b64ba45f6b24b10cc86148b4d0cd847b0a5c32f05a7182047b1ee81e674e0

    • \Windows\SysWOW64\znpzrshxvivjf.exe

      Filesize

      255KB

      MD5

      1221b1ba13557f5b9b6da23facd3d196

      SHA1

      1ad71d865223c8c666147ec5a61659b4c9082f88

      SHA256

      992d2d18d063719d45559c924fa97e70f79338569a23be7da4c2983c84fd0cd1

      SHA512

      2fdc769cbbed41636f240e8fb1b321efdd9ce9f13146c206fd960de1dd124ee981f7d7540e0810389a1791c1d19d51f93bb7ff98506e391b4374b5f3d0b44aec

    • memory/584-64-0x0000000000000000-mapping.dmp

    • memory/584-83-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1204-60-0x0000000000000000-mapping.dmp

    • memory/1204-95-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1204-82-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1308-76-0x0000000000000000-mapping.dmp

    • memory/1308-97-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1308-85-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1380-79-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1380-54-0x00000000764C1000-0x00000000764C3000-memory.dmp

      Filesize

      8KB

    • memory/1380-80-0x0000000003310000-0x00000000033B0000-memory.dmp

      Filesize

      640KB

    • memory/1380-87-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1516-84-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1516-96-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1516-68-0x0000000000000000-mapping.dmp

    • memory/1744-81-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1744-56-0x0000000000000000-mapping.dmp

    • memory/1744-94-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1876-86-0x0000000000000000-mapping.dmp

    • memory/1876-91-0x00000000712ED000-0x00000000712F8000-memory.dmp

      Filesize

      44KB

    • memory/1876-90-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1876-89-0x0000000070301000-0x0000000070303000-memory.dmp

      Filesize

      8KB

    • memory/1876-88-0x0000000072881000-0x0000000072884000-memory.dmp

      Filesize

      12KB

    • memory/1876-98-0x00000000712ED000-0x00000000712F8000-memory.dmp

      Filesize

      44KB

    • memory/1876-101-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1876-102-0x00000000712ED000-0x00000000712F8000-memory.dmp

      Filesize

      44KB

    • memory/1940-99-0x0000000000000000-mapping.dmp

    • memory/1940-100-0x000007FEFBD91000-0x000007FEFBD93000-memory.dmp

      Filesize

      8KB