Analysis

  • max time kernel
    133s
  • max time network
    42s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    06-11-2022 13:08

General

  • Target

    74d065cb68f2227f628d1c0fe32fa6169742b30e31cd6e590c04ec4f6bdbaa06.exe

  • Size

    184KB

  • MD5

    0d3cdfe1e28e154dd45e5352c7ee4c4b

  • SHA1

    544caea70a385753381554a299924960fc77b668

  • SHA256

    74d065cb68f2227f628d1c0fe32fa6169742b30e31cd6e590c04ec4f6bdbaa06

  • SHA512

    026712e5fcda55f89acb2d900d070e7eb02f54f47bfa95a7e53f3c7091bb12af1467820879137da6167bcd60495615f9b263691bad5154de8ff53c6c1a297b85

  • SSDEEP

    3072:obpDCw1p3vmLvsZIaVwiwDcIbDHDCm/DELU31fIcPh3GFtD:gDCwfG1bnxLED24tD

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 3 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 3 IoCs
  • Adds policy Run key to start application 2 TTPs 6 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 6 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.

  • Modifies registry key 1 TTPs 9 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\74d065cb68f2227f628d1c0fe32fa6169742b30e31cd6e590c04ec4f6bdbaa06.exe
    "C:\Users\Admin\AppData\Local\Temp\74d065cb68f2227f628d1c0fe32fa6169742b30e31cd6e590c04ec4f6bdbaa06.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Windows\SysWOW64\REG.exe
      REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
      2⤵
      • Modifies registry key
      PID:2040
    • C:\Users\Admin\AppData\Local\Temp\avscan.exe
      C:\Users\Admin\AppData\Local\Temp\avscan.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1696
      • C:\Users\Admin\AppData\Local\Temp\avscan.exe
        C:\Users\Admin\AppData\Local\Temp\avscan.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:848
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c c:\windows\W_X_C.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1820
        • C:\windows\hosts.exe
          C:\windows\hosts.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:972
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
          4⤵
          • Adds policy Run key to start application
          PID:1756
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:2020
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1576
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1464
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1596
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c c:\windows\W_X_C.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1332
      • C:\windows\hosts.exe
        C:\windows\hosts.exe
        3⤵
        • Modifies visibility of file extensions in Explorer
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Drops file in Windows directory
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1704
        • C:\Users\Admin\AppData\Local\Temp\avscan.exe
          C:\Users\Admin\AppData\Local\Temp\avscan.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:1400
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c c:\windows\W_X_C.bat
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:700
          • C:\windows\hosts.exe
            C:\windows\hosts.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:1328
          • C:\Windows\SysWOW64\WScript.exe
            "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
            5⤵
            • Adds policy Run key to start application
            PID:1684
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:832
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:1652
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:360
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:428
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
        3⤵
        • Adds policy Run key to start application
        PID:1292

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    416KB

    MD5

    b8e44e7ca086e7834a4f9f4c4f711ed3

    SHA1

    aedb64fdaf6aa8aea1a180c0ee0ca5228b770905

    SHA256

    7301256b8dfdd1e8b3c2c6610dc1da827a89609a97a3db1aa40e0b3042ba3778

    SHA512

    29d3973da2127ee0d03042f93ab847359e68cbd0ff10644426709f49de2d4795d05c409fdd486429b7489d6b5500588b940df3e06d62af18c1792144c13d4eae

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    600KB

    MD5

    d453b845bb9ddcf44d0d3b926119c669

    SHA1

    e15b9bfc4430cecca7d0aa55222bdf0ce02a833a

    SHA256

    d03a80556e2120a6e5056a0f590c34ef95a1bb848e35b147f1cb9a16a3ed8d13

    SHA512

    49951eb69c11e163c4245e9e8f24d6c46ab4fea4316dd3268f46ce08e18e6f69a5451f6bf5dfd57e4db72ea3551eccdcc237b84b24453ea1851c8c0ec480492a

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    784KB

    MD5

    12f5b4dc7649982c0bdc8e38c14f10d5

    SHA1

    f0ca8439d80f67a00aed644e8f251b60a3ebf186

    SHA256

    dbefa0e070acca6ca28219b3461eba83dabf4d97fc24ddad26b2dc841ffbf749

    SHA512

    a624df6c07d20e8fbc7deebc71fe9a30635da2e9bf4904810d30ca8e8ffea9fb62b0e792f8c29e6a2c333ada9827d7bde247b01333dce5cb9af21a1a50423ac8

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    968KB

    MD5

    a47886598f053f1aefd97b88c25de927

    SHA1

    5d84d2c7554ab77d045e141c06a68b4dc23adb43

    SHA256

    07d17984cc297ef8ec2d5a0640c59c711023f0345d46aeed939ea577565c84be

    SHA512

    804808430c9fdc730374736cbec854e7a83558ee189fc2881778d2526c9e45d976b3d95805bcc0ecf60be2c492259d4af52ab900a27049144e1f3b35792d6319

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    1.1MB

    MD5

    2cf0893469a2b46fed31c44adf139367

    SHA1

    5120b55a5f2c86e19f9cf7691a4de30cfeb925ba

    SHA256

    676a6809fb81745c00667e0794e2f50da9c24a96b08e36fb447ce7561273363e

    SHA512

    6442ef541a8fdcafd9a9c92d24f8e7a7c7941325c6604514f3e0fa4329360f5ccaf223ed4507f41d1e4ae5912e83bd01f14c1abd70d663017b45c4092d1b0ed5

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    1.3MB

    MD5

    743dc80a7cded35f2144d8fd66638993

    SHA1

    1201d73973dd23499169159fe55b11d43a8eec13

    SHA256

    2631d82b8094d9b1c9c07bad7c4bb51d359c2c4977463680d5df6d02b54adc0d

    SHA512

    f0e5d5fd32ddf2a77683d79df611627223415bfe538c25bc7a0ff560502693d4658be6fe263a067d6a3986ee3c5f3a0b2b898dc92b9d02e3534305b895a36fc4

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    1.5MB

    MD5

    78633362d2c948f229e793c51c5033d2

    SHA1

    14b9fef3dd11d18d982d6310ef4d7989706e6af0

    SHA256

    e865085eb042a183bd62b8c42c6286f23a95f43375a7a2a7443ba9d183b2d757

    SHA512

    2bdec8d6663595ca408c05da0338073ad70e2ee7375ad44dd60fb2dfc09f9fdc30c7ca025169c9387bfdd73ebaf20515afb855cdfbbcfa24502fb0c324449dcc

  • C:\Users\Admin\AppData\Local\Temp\avscan.exe

    Filesize

    184KB

    MD5

    c125851ad65161f1dd31b4fdeb4be1c7

    SHA1

    eda478a8156e46f0268236bdeec11c6dc0afb767

    SHA256

    8ddd3cf584d6b615e250c91d945f465758f077f535f47d1ff41fe6a851e592ce

    SHA512

    05fc54af08ed560339a7851d9adfd2acc8f9b3a9421fa140f203bfc69645f47197204eb096820629aed3e50a9b697015f5b4a85d0425b03c75bbb7a5dfaf8ad3

  • C:\Users\Admin\AppData\Local\Temp\avscan.exe

    Filesize

    184KB

    MD5

    c125851ad65161f1dd31b4fdeb4be1c7

    SHA1

    eda478a8156e46f0268236bdeec11c6dc0afb767

    SHA256

    8ddd3cf584d6b615e250c91d945f465758f077f535f47d1ff41fe6a851e592ce

    SHA512

    05fc54af08ed560339a7851d9adfd2acc8f9b3a9421fa140f203bfc69645f47197204eb096820629aed3e50a9b697015f5b4a85d0425b03c75bbb7a5dfaf8ad3

  • C:\Users\Admin\AppData\Local\Temp\avscan.exe

    Filesize

    184KB

    MD5

    c125851ad65161f1dd31b4fdeb4be1c7

    SHA1

    eda478a8156e46f0268236bdeec11c6dc0afb767

    SHA256

    8ddd3cf584d6b615e250c91d945f465758f077f535f47d1ff41fe6a851e592ce

    SHA512

    05fc54af08ed560339a7851d9adfd2acc8f9b3a9421fa140f203bfc69645f47197204eb096820629aed3e50a9b697015f5b4a85d0425b03c75bbb7a5dfaf8ad3

  • C:\Users\Admin\AppData\Local\Temp\avscan.exe

    Filesize

    184KB

    MD5

    c125851ad65161f1dd31b4fdeb4be1c7

    SHA1

    eda478a8156e46f0268236bdeec11c6dc0afb767

    SHA256

    8ddd3cf584d6b615e250c91d945f465758f077f535f47d1ff41fe6a851e592ce

    SHA512

    05fc54af08ed560339a7851d9adfd2acc8f9b3a9421fa140f203bfc69645f47197204eb096820629aed3e50a9b697015f5b4a85d0425b03c75bbb7a5dfaf8ad3

  • C:\Windows\W_X_C.vbs

    Filesize

    195B

    MD5

    6cb1a862c5d3015502be64b07c6b5ec7

    SHA1

    055b4b97bd55f4f0f47fd8c981fc216709e91936

    SHA256

    6ae3ae6c1d057e9376efd0711d9912dfddebd9f8a8b257cee104cba98195c48e

    SHA512

    5f8f0cdbbd70f06bc8783c0e762208a3c54daf0f2b064abd450116cb31963d0802bc59648e868d647031e0e321d151a20f1b71ccba613f6e1c0c7fbb7ee974ab

  • C:\Windows\hosts.exe

    Filesize

    184KB

    MD5

    82d79b06d0122f8bf017003250f85c01

    SHA1

    cb5fb77483fa0123ebb655b5ec8f3cb874d618f1

    SHA256

    82decf01e33dd402eff8f1c2d83e3c55d74dc379e10553ceda5bcc6e9f77b1fa

    SHA512

    0c202cd44628b6be0636010e5de2c800418784b2057af3c9d6d8af8bf1e9bc672387ca3eab74affb3b77d38c6415a9231f41eb45fb8e544d5d96131ab1245010

  • C:\Windows\hosts.exe

    Filesize

    184KB

    MD5

    82d79b06d0122f8bf017003250f85c01

    SHA1

    cb5fb77483fa0123ebb655b5ec8f3cb874d618f1

    SHA256

    82decf01e33dd402eff8f1c2d83e3c55d74dc379e10553ceda5bcc6e9f77b1fa

    SHA512

    0c202cd44628b6be0636010e5de2c800418784b2057af3c9d6d8af8bf1e9bc672387ca3eab74affb3b77d38c6415a9231f41eb45fb8e544d5d96131ab1245010

  • C:\Windows\hosts.exe

    Filesize

    184KB

    MD5

    82d79b06d0122f8bf017003250f85c01

    SHA1

    cb5fb77483fa0123ebb655b5ec8f3cb874d618f1

    SHA256

    82decf01e33dd402eff8f1c2d83e3c55d74dc379e10553ceda5bcc6e9f77b1fa

    SHA512

    0c202cd44628b6be0636010e5de2c800418784b2057af3c9d6d8af8bf1e9bc672387ca3eab74affb3b77d38c6415a9231f41eb45fb8e544d5d96131ab1245010

  • C:\Windows\hosts.exe

    Filesize

    184KB

    MD5

    82d79b06d0122f8bf017003250f85c01

    SHA1

    cb5fb77483fa0123ebb655b5ec8f3cb874d618f1

    SHA256

    82decf01e33dd402eff8f1c2d83e3c55d74dc379e10553ceda5bcc6e9f77b1fa

    SHA512

    0c202cd44628b6be0636010e5de2c800418784b2057af3c9d6d8af8bf1e9bc672387ca3eab74affb3b77d38c6415a9231f41eb45fb8e544d5d96131ab1245010

  • C:\windows\hosts.exe

    Filesize

    184KB

    MD5

    82d79b06d0122f8bf017003250f85c01

    SHA1

    cb5fb77483fa0123ebb655b5ec8f3cb874d618f1

    SHA256

    82decf01e33dd402eff8f1c2d83e3c55d74dc379e10553ceda5bcc6e9f77b1fa

    SHA512

    0c202cd44628b6be0636010e5de2c800418784b2057af3c9d6d8af8bf1e9bc672387ca3eab74affb3b77d38c6415a9231f41eb45fb8e544d5d96131ab1245010

  • \??\c:\windows\W_X_C.bat

    Filesize

    336B

    MD5

    4db9f8b6175722b62ececeeeba1ce307

    SHA1

    3b3ba8414706e72a6fa19e884a97b87609e11e47

    SHA256

    d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

    SHA512

    1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b

  • \Users\Admin\AppData\Local\Temp\avscan.exe

    Filesize

    184KB

    MD5

    c125851ad65161f1dd31b4fdeb4be1c7

    SHA1

    eda478a8156e46f0268236bdeec11c6dc0afb767

    SHA256

    8ddd3cf584d6b615e250c91d945f465758f077f535f47d1ff41fe6a851e592ce

    SHA512

    05fc54af08ed560339a7851d9adfd2acc8f9b3a9421fa140f203bfc69645f47197204eb096820629aed3e50a9b697015f5b4a85d0425b03c75bbb7a5dfaf8ad3

  • \Users\Admin\AppData\Local\Temp\avscan.exe

    Filesize

    184KB

    MD5

    c125851ad65161f1dd31b4fdeb4be1c7

    SHA1

    eda478a8156e46f0268236bdeec11c6dc0afb767

    SHA256

    8ddd3cf584d6b615e250c91d945f465758f077f535f47d1ff41fe6a851e592ce

    SHA512

    05fc54af08ed560339a7851d9adfd2acc8f9b3a9421fa140f203bfc69645f47197204eb096820629aed3e50a9b697015f5b4a85d0425b03c75bbb7a5dfaf8ad3

  • \Users\Admin\AppData\Local\Temp\avscan.exe

    Filesize

    184KB

    MD5

    c125851ad65161f1dd31b4fdeb4be1c7

    SHA1

    eda478a8156e46f0268236bdeec11c6dc0afb767

    SHA256

    8ddd3cf584d6b615e250c91d945f465758f077f535f47d1ff41fe6a851e592ce

    SHA512

    05fc54af08ed560339a7851d9adfd2acc8f9b3a9421fa140f203bfc69645f47197204eb096820629aed3e50a9b697015f5b4a85d0425b03c75bbb7a5dfaf8ad3

  • \Users\Admin\AppData\Local\Temp\avscan.exe

    Filesize

    184KB

    MD5

    c125851ad65161f1dd31b4fdeb4be1c7

    SHA1

    eda478a8156e46f0268236bdeec11c6dc0afb767

    SHA256

    8ddd3cf584d6b615e250c91d945f465758f077f535f47d1ff41fe6a851e592ce

    SHA512

    05fc54af08ed560339a7851d9adfd2acc8f9b3a9421fa140f203bfc69645f47197204eb096820629aed3e50a9b697015f5b4a85d0425b03c75bbb7a5dfaf8ad3

  • \Users\Admin\AppData\Local\Temp\avscan.exe

    Filesize

    184KB

    MD5

    c125851ad65161f1dd31b4fdeb4be1c7

    SHA1

    eda478a8156e46f0268236bdeec11c6dc0afb767

    SHA256

    8ddd3cf584d6b615e250c91d945f465758f077f535f47d1ff41fe6a851e592ce

    SHA512

    05fc54af08ed560339a7851d9adfd2acc8f9b3a9421fa140f203bfc69645f47197204eb096820629aed3e50a9b697015f5b4a85d0425b03c75bbb7a5dfaf8ad3

  • memory/2036-58-0x0000000074141000-0x0000000074143000-memory.dmp

    Filesize

    8KB

  • memory/2036-56-0x0000000075C61000-0x0000000075C63000-memory.dmp

    Filesize

    8KB