Analysis

  • max time kernel
    154s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 21:02

General

  • Target

    9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe

  • Size

    255KB

  • MD5

    1fc2c5d5c64c2d88634cd24e4054b01b

  • SHA1

    350d5ecf1f0f23b7716dac8023044e66efe03c95

  • SHA256

    9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4

  • SHA512

    8199f32abcf290f507f70230e7882dd5aee9d22d66fffde9435e32fac9ba5ecdee34a5e4ee70eda1cec57e04b35635180fd86913a2c70f353c5606bc03819ea2

  • 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 31 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 13 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\9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
    "C:\Users\Admin\AppData\Local\Temp\9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.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:1500
    • C:\Windows\SysWOW64\rpktrtcpvo.exe
      rpktrtcpvo.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:1716
      • C:\Windows\SysWOW64\ygeflyri.exe
        C:\Windows\system32\ygeflyri.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:896
    • C:\Windows\SysWOW64\lgobywmodpnstiu.exe
      lgobywmodpnstiu.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2028
    • C:\Windows\SysWOW64\ygeflyri.exe
      ygeflyri.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:1688
    • C:\Windows\SysWOW64\wagcmukoficcg.exe
      wagcmukoficcg.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1704
    • 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:1672
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2004

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      255KB

      MD5

      d750e727c8a4f7f1e73dbfd462e9f011

      SHA1

      6750d06aed37e86d4aeed8fda96361c46aba6db2

      SHA256

      45e30939ec359a836fec4d45d0477c7ab8e6be37f092892f2c3825a8ae8780fc

      SHA512

      f9dee6db36ef0e1e9cfd0613d61d834aa98ad63d75de5a0c9f5ebd5005a190ffebc7c642bc8e9a131891703ef90d91b1745212ef0ea42fa244957a53424c4550

    • C:\Users\Admin\Desktop\DisconnectOut.doc.exe

      Filesize

      255KB

      MD5

      08af7733b0708d74908c9fa8cf77ef22

      SHA1

      a9898b8d4bda40957c6731e1f6a84379b5ba55d4

      SHA256

      8b127aa729535a82bd438ca6913819f17d5bcbb9132c289cef0421ddc01903ca

      SHA512

      6d782b3bc9d4d0e697474a26e3cb4d15cb538f6b90d6820a40798536524253040a676e6b6218fa04d4737e03869cb3f39aeca8c52b52a19c07a6bccadf95e860

    • C:\Windows\SysWOW64\lgobywmodpnstiu.exe

      Filesize

      255KB

      MD5

      951d84570311a31c55a591759e254ac2

      SHA1

      467eecf12bdbf312c92124482fb1ca13c2d32f49

      SHA256

      8cace7b71c2b1b9c7ea2b499b8143c37be93371816f36bac99163ba024186b0e

      SHA512

      518125585be8082db95f3fe9f58276d3f31b2f374a0e0107f433634d6c5b75848637bd34365232857e7f40d7d129a993c1bea3ae0bb0f6d2042cad6904e92783

    • C:\Windows\SysWOW64\lgobywmodpnstiu.exe

      Filesize

      255KB

      MD5

      951d84570311a31c55a591759e254ac2

      SHA1

      467eecf12bdbf312c92124482fb1ca13c2d32f49

      SHA256

      8cace7b71c2b1b9c7ea2b499b8143c37be93371816f36bac99163ba024186b0e

      SHA512

      518125585be8082db95f3fe9f58276d3f31b2f374a0e0107f433634d6c5b75848637bd34365232857e7f40d7d129a993c1bea3ae0bb0f6d2042cad6904e92783

    • C:\Windows\SysWOW64\rpktrtcpvo.exe

      Filesize

      255KB

      MD5

      4a1153257c54697483bed2e475ad388c

      SHA1

      3e8a17b468ebb5f63c2796fd79f4c5152f3a6b66

      SHA256

      2dd198d7e3dd2386351e2037768a7bbda730534023b82aac191a18ab6683f1d7

      SHA512

      0f923d547ccc375c5c161c98c330bb747f51a2c78013c022f0b3bde79fede0e94380af47fa07fd7e62f06b2cd52358fbd465befb4559aded7fcfea81ce83883d

    • C:\Windows\SysWOW64\rpktrtcpvo.exe

      Filesize

      255KB

      MD5

      4a1153257c54697483bed2e475ad388c

      SHA1

      3e8a17b468ebb5f63c2796fd79f4c5152f3a6b66

      SHA256

      2dd198d7e3dd2386351e2037768a7bbda730534023b82aac191a18ab6683f1d7

      SHA512

      0f923d547ccc375c5c161c98c330bb747f51a2c78013c022f0b3bde79fede0e94380af47fa07fd7e62f06b2cd52358fbd465befb4559aded7fcfea81ce83883d

    • C:\Windows\SysWOW64\wagcmukoficcg.exe

      Filesize

      255KB

      MD5

      d4ea7b4c9a4f2378844285bdf9929d6b

      SHA1

      39f1ea96fc1caed4bb917306144209872d925be6

      SHA256

      3c881da57679ef3ad59b62d955a03a410d88be0c9269e80fe272df2ab6a67f96

      SHA512

      e005cd9b72f45df5d38a9553deea7b3e56c2a8e1bcf5b47c3f129f90f6e40b5397756fbe787389f78c9270c116b4c0a54d7a8ccea43669309810cbc99806e815

    • C:\Windows\SysWOW64\wagcmukoficcg.exe

      Filesize

      255KB

      MD5

      d4ea7b4c9a4f2378844285bdf9929d6b

      SHA1

      39f1ea96fc1caed4bb917306144209872d925be6

      SHA256

      3c881da57679ef3ad59b62d955a03a410d88be0c9269e80fe272df2ab6a67f96

      SHA512

      e005cd9b72f45df5d38a9553deea7b3e56c2a8e1bcf5b47c3f129f90f6e40b5397756fbe787389f78c9270c116b4c0a54d7a8ccea43669309810cbc99806e815

    • C:\Windows\SysWOW64\ygeflyri.exe

      Filesize

      255KB

      MD5

      7be462654e0ea2677cac54d15e620544

      SHA1

      1cb209c58af80457faabf07a417fce6761d97cbd

      SHA256

      3d3f36d8ac352cfb69a988e6c95df92444354db6508bd482ab448011252606f8

      SHA512

      32ed873245dd2bf7c1af91e910594cf46d280f0ad84753302ee93868c639b254c318d095aebb49f70c27f228ada594e7a01271904166976f278267e3c0fab2db

    • C:\Windows\SysWOW64\ygeflyri.exe

      Filesize

      255KB

      MD5

      7be462654e0ea2677cac54d15e620544

      SHA1

      1cb209c58af80457faabf07a417fce6761d97cbd

      SHA256

      3d3f36d8ac352cfb69a988e6c95df92444354db6508bd482ab448011252606f8

      SHA512

      32ed873245dd2bf7c1af91e910594cf46d280f0ad84753302ee93868c639b254c318d095aebb49f70c27f228ada594e7a01271904166976f278267e3c0fab2db

    • C:\Windows\SysWOW64\ygeflyri.exe

      Filesize

      255KB

      MD5

      7be462654e0ea2677cac54d15e620544

      SHA1

      1cb209c58af80457faabf07a417fce6761d97cbd

      SHA256

      3d3f36d8ac352cfb69a988e6c95df92444354db6508bd482ab448011252606f8

      SHA512

      32ed873245dd2bf7c1af91e910594cf46d280f0ad84753302ee93868c639b254c318d095aebb49f70c27f228ada594e7a01271904166976f278267e3c0fab2db

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \??\c:\Users\Admin\Desktop\DisconnectOut.doc.exe

      Filesize

      255KB

      MD5

      08af7733b0708d74908c9fa8cf77ef22

      SHA1

      a9898b8d4bda40957c6731e1f6a84379b5ba55d4

      SHA256

      8b127aa729535a82bd438ca6913819f17d5bcbb9132c289cef0421ddc01903ca

      SHA512

      6d782b3bc9d4d0e697474a26e3cb4d15cb538f6b90d6820a40798536524253040a676e6b6218fa04d4737e03869cb3f39aeca8c52b52a19c07a6bccadf95e860

    • \Windows\SysWOW64\lgobywmodpnstiu.exe

      Filesize

      255KB

      MD5

      951d84570311a31c55a591759e254ac2

      SHA1

      467eecf12bdbf312c92124482fb1ca13c2d32f49

      SHA256

      8cace7b71c2b1b9c7ea2b499b8143c37be93371816f36bac99163ba024186b0e

      SHA512

      518125585be8082db95f3fe9f58276d3f31b2f374a0e0107f433634d6c5b75848637bd34365232857e7f40d7d129a993c1bea3ae0bb0f6d2042cad6904e92783

    • \Windows\SysWOW64\rpktrtcpvo.exe

      Filesize

      255KB

      MD5

      4a1153257c54697483bed2e475ad388c

      SHA1

      3e8a17b468ebb5f63c2796fd79f4c5152f3a6b66

      SHA256

      2dd198d7e3dd2386351e2037768a7bbda730534023b82aac191a18ab6683f1d7

      SHA512

      0f923d547ccc375c5c161c98c330bb747f51a2c78013c022f0b3bde79fede0e94380af47fa07fd7e62f06b2cd52358fbd465befb4559aded7fcfea81ce83883d

    • \Windows\SysWOW64\wagcmukoficcg.exe

      Filesize

      255KB

      MD5

      d4ea7b4c9a4f2378844285bdf9929d6b

      SHA1

      39f1ea96fc1caed4bb917306144209872d925be6

      SHA256

      3c881da57679ef3ad59b62d955a03a410d88be0c9269e80fe272df2ab6a67f96

      SHA512

      e005cd9b72f45df5d38a9553deea7b3e56c2a8e1bcf5b47c3f129f90f6e40b5397756fbe787389f78c9270c116b4c0a54d7a8ccea43669309810cbc99806e815

    • \Windows\SysWOW64\ygeflyri.exe

      Filesize

      255KB

      MD5

      7be462654e0ea2677cac54d15e620544

      SHA1

      1cb209c58af80457faabf07a417fce6761d97cbd

      SHA256

      3d3f36d8ac352cfb69a988e6c95df92444354db6508bd482ab448011252606f8

      SHA512

      32ed873245dd2bf7c1af91e910594cf46d280f0ad84753302ee93868c639b254c318d095aebb49f70c27f228ada594e7a01271904166976f278267e3c0fab2db

    • \Windows\SysWOW64\ygeflyri.exe

      Filesize

      255KB

      MD5

      7be462654e0ea2677cac54d15e620544

      SHA1

      1cb209c58af80457faabf07a417fce6761d97cbd

      SHA256

      3d3f36d8ac352cfb69a988e6c95df92444354db6508bd482ab448011252606f8

      SHA512

      32ed873245dd2bf7c1af91e910594cf46d280f0ad84753302ee93868c639b254c318d095aebb49f70c27f228ada594e7a01271904166976f278267e3c0fab2db

    • memory/896-108-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/896-100-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/896-77-0x0000000000000000-mapping.dmp

    • memory/896-86-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1500-80-0x00000000021E0000-0x0000000002280000-memory.dmp

      Filesize

      640KB

    • memory/1500-82-0x00000000021E0000-0x0000000002280000-memory.dmp

      Filesize

      640KB

    • memory/1500-54-0x0000000075D71000-0x0000000075D73000-memory.dmp

      Filesize

      8KB

    • memory/1500-55-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1500-88-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1672-103-0x000000007129D000-0x00000000712A8000-memory.dmp

      Filesize

      44KB

    • memory/1672-107-0x000000007129D000-0x00000000712A8000-memory.dmp

      Filesize

      44KB

    • memory/1672-87-0x0000000000000000-mapping.dmp

    • memory/1672-89-0x0000000072831000-0x0000000072834000-memory.dmp

      Filesize

      12KB

    • memory/1672-90-0x00000000702B1000-0x00000000702B3000-memory.dmp

      Filesize

      8KB

    • memory/1672-91-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1672-106-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1672-94-0x000000007129D000-0x00000000712A8000-memory.dmp

      Filesize

      44KB

    • memory/1688-66-0x0000000000000000-mapping.dmp

    • memory/1688-98-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1688-109-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1688-84-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1704-72-0x0000000000000000-mapping.dmp

    • memory/1704-85-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1704-99-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1716-57-0x0000000000000000-mapping.dmp

    • memory/1716-96-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1716-81-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2004-104-0x0000000000000000-mapping.dmp

    • memory/2004-105-0x000007FEFBEE1000-0x000007FEFBEE3000-memory.dmp

      Filesize

      8KB

    • memory/2028-83-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2028-62-0x0000000000000000-mapping.dmp

    • memory/2028-97-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB