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Analysis

  • max time kernel
    160s
  • max time network
    179s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2022, 19:25

General

  • Target

    b01209a99d4830af3756ff3799fee754ab75f05a275bca42b27eafe246f6c521.exe

  • Size

    136KB

  • MD5

    eb7906c1b79d9808b8b2fd425ee3e36a

  • SHA1

    98aa3c018a6341f30e42b54e577fd7388fc11a8a

  • SHA256

    b01209a99d4830af3756ff3799fee754ab75f05a275bca42b27eafe246f6c521

  • SHA512

    63c326b8a6efe9ac3a0995f4b42bae91f6bf9009ab156d8ce29a31d3c03888721ce13bf0edb094a6c5b57825d44f602008623933e9ccc9cbad318a95807f89d3

  • SSDEEP

    768:h/raHM782f9rvs2Zg5nicskQzTGfxgzh3emu4v/eB4z7VP7LdGSu2HyTAzfMgTA1:h/roM7ZJfUQWgY54v

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 3 IoCs

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

  • Drops file in System32 directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 36 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 54 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b01209a99d4830af3756ff3799fee754ab75f05a275bca42b27eafe246f6c521.exe
    "C:\Users\Admin\AppData\Local\Temp\b01209a99d4830af3756ff3799fee754ab75f05a275bca42b27eafe246f6c521.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:964
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\System32\explorer.exe" C:\Users\Admin\AppData\Local\Temp\b01209a99d4830af3756ff3799fee754ab75f05a275bca42b27eafe246f6c521
      2⤵
        PID:1340
      • C:\Windows\SysWOW64\msng.exe
        "C:\Windows\system32\msng.exe" fuckystart
        2⤵
        • Modifies visibility of file extensions in Explorer
        • Executes dropped EXE
        • Adds Run key to start application
        • Enumerates connected drives
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:608
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe http://www.OpenClose.ir
          3⤵
            PID:1568
      • C:\Windows\explorer.exe
        C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
        1⤵
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:1172
      • C:\Windows\explorer.exe
        C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:808
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" http://www.openclose.ir/
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1892
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1892 CREDAT:275457 /prefetch:2
            3⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1972

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\7WZKE930.txt

        Filesize

        535B

        MD5

        946c2a5be8e86540cd9ffd04e71021e7

        SHA1

        6e915c94a24206ce646aef526adf4372e062d764

        SHA256

        ad515fba42afb9d509790226a9f5cc03d685657d5befc14aba47fe1428073693

        SHA512

        915a6fe0cca5bc78c3407c26919b3d1aec7930030e0e2ac9c26598e166507c419670f42dbc4838190724f8e00b16c0eeb7519c4700223af59d8cf7a59cd150c2

      • C:\Windows\SysWOW64\msng.exe

        Filesize

        136KB

        MD5

        eb7906c1b79d9808b8b2fd425ee3e36a

        SHA1

        98aa3c018a6341f30e42b54e577fd7388fc11a8a

        SHA256

        b01209a99d4830af3756ff3799fee754ab75f05a275bca42b27eafe246f6c521

        SHA512

        63c326b8a6efe9ac3a0995f4b42bae91f6bf9009ab156d8ce29a31d3c03888721ce13bf0edb094a6c5b57825d44f602008623933e9ccc9cbad318a95807f89d3

      • C:\Windows\SysWOW64\msng.exe

        Filesize

        136KB

        MD5

        eb7906c1b79d9808b8b2fd425ee3e36a

        SHA1

        98aa3c018a6341f30e42b54e577fd7388fc11a8a

        SHA256

        b01209a99d4830af3756ff3799fee754ab75f05a275bca42b27eafe246f6c521

        SHA512

        63c326b8a6efe9ac3a0995f4b42bae91f6bf9009ab156d8ce29a31d3c03888721ce13bf0edb094a6c5b57825d44f602008623933e9ccc9cbad318a95807f89d3

      • C:\~0002ftd.tmp

        Filesize

        100B

        MD5

        86149294c30f48d736a47cfe9f86499c

        SHA1

        8bf7fa89c1a028b978110c8bd69301a1af0cdc1b

        SHA256

        7e13a885b9e34e5c304fc7623b35355ad1e7ccf2968fcd9c5250e73e30118f19

        SHA512

        e88ac89bab38557b54288f5d4e208a55fdd6f3912841ce5f2ecf5e2082019450deb6f7101d9ea33b8b8153df38d7396087bb5a1e56c11ab65f0ab538a823874c

      • \Windows\SysWOW64\msng.exe

        Filesize

        136KB

        MD5

        eb7906c1b79d9808b8b2fd425ee3e36a

        SHA1

        98aa3c018a6341f30e42b54e577fd7388fc11a8a

        SHA256

        b01209a99d4830af3756ff3799fee754ab75f05a275bca42b27eafe246f6c521

        SHA512

        63c326b8a6efe9ac3a0995f4b42bae91f6bf9009ab156d8ce29a31d3c03888721ce13bf0edb094a6c5b57825d44f602008623933e9ccc9cbad318a95807f89d3

      • \Windows\SysWOW64\msng.exe

        Filesize

        136KB

        MD5

        eb7906c1b79d9808b8b2fd425ee3e36a

        SHA1

        98aa3c018a6341f30e42b54e577fd7388fc11a8a

        SHA256

        b01209a99d4830af3756ff3799fee754ab75f05a275bca42b27eafe246f6c521

        SHA512

        63c326b8a6efe9ac3a0995f4b42bae91f6bf9009ab156d8ce29a31d3c03888721ce13bf0edb094a6c5b57825d44f602008623933e9ccc9cbad318a95807f89d3

      • memory/608-71-0x0000000000400000-0x0000000000486000-memory.dmp

        Filesize

        536KB

      • memory/608-79-0x0000000000400000-0x0000000000486000-memory.dmp

        Filesize

        536KB

      • memory/964-66-0x0000000000400000-0x0000000000486000-memory.dmp

        Filesize

        536KB

      • memory/964-54-0x0000000000400000-0x0000000000486000-memory.dmp

        Filesize

        536KB

      • memory/964-58-0x0000000002CA0000-0x000000000375A000-memory.dmp

        Filesize

        10.7MB

      • memory/964-57-0x0000000074AB1000-0x0000000074AB3000-memory.dmp

        Filesize

        8KB

      • memory/1172-70-0x000007FEFB6D1000-0x000007FEFB6D3000-memory.dmp

        Filesize

        8KB

      • memory/1172-72-0x0000000003940000-0x0000000003950000-memory.dmp

        Filesize

        64KB

      • memory/1340-65-0x00000000740C1000-0x00000000740C3000-memory.dmp

        Filesize

        8KB

      • memory/1568-77-0x0000000074261000-0x0000000074263000-memory.dmp

        Filesize

        8KB