Analysis

  • max time kernel
    135s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    19/08/2024, 14:06

General

  • Target
    JWEB2.exe
  • Size 28KB
  • Sample240819-reffjaybjf
  • SHA256 16be3cc51fd7d6f9b7dfd52b69ff6727b68f81123bb5be8bb940863f880b0d69
  • MD5 SHA1 SHA512 SSDEEP
Score
3/10

Malware Config

Signatures

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 34 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JWEB2.exe
    "C:\Users\Admin\AppData\Local\Temp\JWEB2.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2652
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" https://www.regnow.com/softsell/nph-softsell.cgi?item=1711-6
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3044
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3044 CREDAT:275457 /prefetch:2
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2888

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 342B
        • SHA256 e8517488f110c37301736c3d15376d5fa88e509602cdeaf505e184cd1bbdaa68
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 342B
        • SHA256 874a8121327ce4c1423807165ac9f4055a405d1cdbb78221ead6cb3ebbb86375
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 342B
        • SHA256 b29b3b0c01bb1215e5bf03e9bd75d6ffda3a86100ccf393e7d144823d1e9966f
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 342B
        • SHA256 7fbf483e3ae70da3269cb1fed098934e2daa55a24f3457b8d6b3663cef236e10
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 342B
        • SHA256 a1a8de579e44d258037fd7ff008367e525ac5e2bc25bfa2c77814c1b86e7f080
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 342B
        • SHA256 5a5f77065044a0c9e7a633b63203220dc163a55515cee776817884d8a49cde7a
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 342B
        • SHA256 db9a5acb5d0f07cc5bdfa0b127bcd173982f98a530e977ebede3b236f44f8528
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 342B
        • SHA256 ab7d01fb489fbc444087702cf6fcfbdac649a75bf14dc7d587dbfc3086987084
        • MD5 SHA1 SHA512

        Cab1900.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Cab1900.tmp
        • Size 70KB
        • SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
        • MD5 SHA1 SHA512 SSDEEP

        Tar1980.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Tar1980.tmp
        • Size 181KB
        • SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
        • MD5 SHA1 SHA512 SSDEEP

        memory/2652-0-0x0000000000400000-0x000000000040E000-memory.dmp