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Analysis

  • max time kernel
    125s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    02/12/2022, 23:23

General

  • Target

    44da43b39e86d7d67da9b05feb586f7077f935c23c780a1033774702c76f8c36.exe

  • Size

    195KB

  • MD5

    9468c8093437fcb3e5a83662398990a4

  • SHA1

    883a0c3cfc7302255124420f2fa763665e1a08f4

  • SHA256

    44da43b39e86d7d67da9b05feb586f7077f935c23c780a1033774702c76f8c36

  • SHA512

    98b35ad9b4815f7dcbeb1e9d348ded8b91054fdfc95c5db37ac76e0b27ba591e9d65a803a1ce4af20215e829e8912d3810b5e169eaa35c4963abef4cae456838

  • SSDEEP

    3072:obpDCw1p3vmLvsZIaVwiwDcIbDHDCm/DEeoUsDnukbDktLgr7E:gDCwfG1bnxLE3bDnu3tZ

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\44da43b39e86d7d67da9b05feb586f7077f935c23c780a1033774702c76f8c36.exe
    "C:\Users\Admin\AppData\Local\Temp\44da43b39e86d7d67da9b05feb586f7077f935c23c780a1033774702c76f8c36.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:1000
    • C:\Windows\SysWOW64\REG.exe
      REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
      2⤵
      • Modifies registry key
      PID:916
    • 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:876
      • 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:588
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c c:\windows\W_X_C.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1052
        • C:\windows\hosts.exe
          C:\windows\hosts.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:1492
        • 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:1916
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:628
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1392
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:636
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1696
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c c:\windows\W_X_C.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1828
      • 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:1672
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c c:\windows\W_X_C.bat
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1752
          • C:\windows\hosts.exe
            C:\windows\hosts.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:2040
          • 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:772
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:1412
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:1036
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:1468
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:1816
      • 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:1912

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    243KB

    MD5

    76894a92b5cd85d0f8c9ca7c394b6be7

    SHA1

    15a80793013ce361af184172fe470fc7a26f063a

    SHA256

    069eea67d1b5947b5823f76672c80f565cf64c177a34b7f3e2b0e3c9847e1bbd

    SHA512

    f71cdd810665484c6b7363faf435ca6893b5a0e977edd5da6a17b4e3aac17d6db6f55b466173ad2f02846d152c1f8aadc5da9e94693495393402bff91bf69fac

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

    Filesize

    635KB

    MD5

    fd5e9289c64a1914cb2d7be057d71daa

    SHA1

    7946311fd190945bfd74df6e44b7cfc05befd7c6

    SHA256

    f7cfc257fc168c7ab65202cd3585e8a0422eee4c28fa102f868e34a4658ad914

    SHA512

    c41ca6359c380b235b31d8695fe48fde2718565375851036353d735d047207de349de25da3074c0c38fc99243f520afcbe9e03b9aa1b3ffd34dc27602c2631ab

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

    Filesize

    831KB

    MD5

    74b8cc7e3d5f63bad748c7ecf38c217b

    SHA1

    e648ebe6efe66fb4e37639872b6d152050df07bf

    SHA256

    cb107c7f0d95a87a51a91d695e3c1f5c8482c3e4abe8e70d233c400193e6668e

    SHA512

    0945fb92debdf08836c726ae0ca3643e75a868a66ef4c310bc5944dd588e533001fb48e205fff1d18f549f7f55eae45bf3b6c3a3e1df6b62bf5fe548d02c7356

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

    Filesize

    1.0MB

    MD5

    22ad5ff1264202db61c421ec19755da8

    SHA1

    5341ce8374b5f0c49735b297467edc92b7ca125b

    SHA256

    574d3ada67f22ab52953fce90a25444603e9b17fe3cefa06e93aad403f2319b1

    SHA512

    f10c16e3efbcd712844e7ab9490ae227af71d8ac0ab9be5b943a475b7f2d065b44585dcaae42a2088a84074b9699e0ab0c23e6ef99e0d573d9f2e6a763bbd6b8

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

    Filesize

    1.2MB

    MD5

    942ff9c067eb9b0a5818132ea6f233c4

    SHA1

    92480fe01093607e024d1680d8a3992e73a57ade

    SHA256

    0fba6395124b9774251fb2cfbdb4d76d2c5cf56faefe057ae15d9928f5f9adf2

    SHA512

    4707df5955561c956fe0c2b4208f37a721508b8b8e81d6a7361addd409b31ec74e1818bdebb32512e6ad6b2b2995bde24a532e28fba338d05475781982eaff53

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

    Filesize

    1.4MB

    MD5

    04cb6dd7c696e70d212f17cdb64fd682

    SHA1

    be330a388d64f78b8dba9d34d232fe79b685da08

    SHA256

    0d6d3346c00a17f448831d159226a31524feef9d11947757d6523d05e43ba8f4

    SHA512

    824f23fd5e1757ca83b637068a58f9bd16797101c3f97b97dd0d211c5848946744b1b98b819d3930057876bab0dfe5ab30bd70695fd7fbd79e20c1e7104d57ed

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

    Filesize

    1.6MB

    MD5

    a99228593c2a724009ce72b0a83bf458

    SHA1

    7db8cae5175b6ae3b5cb69a006d064eea830b231

    SHA256

    8de73de35af3f149d6388a414fb00cbd249e5e264e4c21514d1a9e0c0365e2d6

    SHA512

    3f79e6f078f771563792374e4eeb24b0f5ee81618e62c7656d60591fb94157ed4e74e401a789629c792ecde77b158f7dcd7f7ec6a9a34b5eb96c2c7de424f6cc

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

    Filesize

    195KB

    MD5

    a955283f7b2b3f285b3000da3a4efdb6

    SHA1

    6edc173f3b14c575f51a327080dba46bd5aef412

    SHA256

    753a9ce81a424affa3a676b1c6675ed438a033f8b1bff397bae11f5f865d7537

    SHA512

    2724ac96e4f812a509fe86370e66b29a1c4ccd2465e7df6aafc3594f057cb7501f0c299e501174413102ec2f5fd4c24f6a17363c0e2eb0d521011d8881a15b83

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

    Filesize

    195KB

    MD5

    a955283f7b2b3f285b3000da3a4efdb6

    SHA1

    6edc173f3b14c575f51a327080dba46bd5aef412

    SHA256

    753a9ce81a424affa3a676b1c6675ed438a033f8b1bff397bae11f5f865d7537

    SHA512

    2724ac96e4f812a509fe86370e66b29a1c4ccd2465e7df6aafc3594f057cb7501f0c299e501174413102ec2f5fd4c24f6a17363c0e2eb0d521011d8881a15b83

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

    Filesize

    195KB

    MD5

    a955283f7b2b3f285b3000da3a4efdb6

    SHA1

    6edc173f3b14c575f51a327080dba46bd5aef412

    SHA256

    753a9ce81a424affa3a676b1c6675ed438a033f8b1bff397bae11f5f865d7537

    SHA512

    2724ac96e4f812a509fe86370e66b29a1c4ccd2465e7df6aafc3594f057cb7501f0c299e501174413102ec2f5fd4c24f6a17363c0e2eb0d521011d8881a15b83

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

    Filesize

    195KB

    MD5

    a955283f7b2b3f285b3000da3a4efdb6

    SHA1

    6edc173f3b14c575f51a327080dba46bd5aef412

    SHA256

    753a9ce81a424affa3a676b1c6675ed438a033f8b1bff397bae11f5f865d7537

    SHA512

    2724ac96e4f812a509fe86370e66b29a1c4ccd2465e7df6aafc3594f057cb7501f0c299e501174413102ec2f5fd4c24f6a17363c0e2eb0d521011d8881a15b83

  • C:\Windows\W_X_C.vbs

    Filesize

    195B

    MD5

    8efab902a61f6cddc318bb5818c2f2e0

    SHA1

    9608751279ae04ba710d84c61e3937c12950b393

    SHA256

    a81d0e86c651ead3e4d9c7f64e637006e787c81c8ba3e784648c2786306bfb87

    SHA512

    aabd0e45609a39584c68c35e16124b399e9a4932bf6c98c22aa8c6ff71b2fbfc80333102960fcfca1abb38b344245f9cdf4cdc0c827c48235f618011a5fbfe18

  • C:\Windows\hosts.exe

    Filesize

    195KB

    MD5

    3606b6e089f1720eb77a660605b2382d

    SHA1

    336238aec2ed71738f292c66cfc8d6644881f253

    SHA256

    a7fbd7480965fb803576d281c7c01998548c74ad0da21c694d4899300b778676

    SHA512

    acb32bbea549e6a276b85123db54e3ff69019dcf6520cb766df6edb998da6dfb6e07a6afbc1f759177436a58fbde20583867252afeb0152ea64d4fa02d99fd9c

  • C:\Windows\hosts.exe

    Filesize

    195KB

    MD5

    3606b6e089f1720eb77a660605b2382d

    SHA1

    336238aec2ed71738f292c66cfc8d6644881f253

    SHA256

    a7fbd7480965fb803576d281c7c01998548c74ad0da21c694d4899300b778676

    SHA512

    acb32bbea549e6a276b85123db54e3ff69019dcf6520cb766df6edb998da6dfb6e07a6afbc1f759177436a58fbde20583867252afeb0152ea64d4fa02d99fd9c

  • C:\Windows\hosts.exe

    Filesize

    195KB

    MD5

    3606b6e089f1720eb77a660605b2382d

    SHA1

    336238aec2ed71738f292c66cfc8d6644881f253

    SHA256

    a7fbd7480965fb803576d281c7c01998548c74ad0da21c694d4899300b778676

    SHA512

    acb32bbea549e6a276b85123db54e3ff69019dcf6520cb766df6edb998da6dfb6e07a6afbc1f759177436a58fbde20583867252afeb0152ea64d4fa02d99fd9c

  • C:\Windows\hosts.exe

    Filesize

    195KB

    MD5

    3606b6e089f1720eb77a660605b2382d

    SHA1

    336238aec2ed71738f292c66cfc8d6644881f253

    SHA256

    a7fbd7480965fb803576d281c7c01998548c74ad0da21c694d4899300b778676

    SHA512

    acb32bbea549e6a276b85123db54e3ff69019dcf6520cb766df6edb998da6dfb6e07a6afbc1f759177436a58fbde20583867252afeb0152ea64d4fa02d99fd9c

  • C:\windows\hosts.exe

    Filesize

    195KB

    MD5

    3606b6e089f1720eb77a660605b2382d

    SHA1

    336238aec2ed71738f292c66cfc8d6644881f253

    SHA256

    a7fbd7480965fb803576d281c7c01998548c74ad0da21c694d4899300b778676

    SHA512

    acb32bbea549e6a276b85123db54e3ff69019dcf6520cb766df6edb998da6dfb6e07a6afbc1f759177436a58fbde20583867252afeb0152ea64d4fa02d99fd9c

  • \??\c:\windows\W_X_C.bat

    Filesize

    336B

    MD5

    4db9f8b6175722b62ececeeeba1ce307

    SHA1

    3b3ba8414706e72a6fa19e884a97b87609e11e47

    SHA256

    d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

    SHA512

    1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b

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

    Filesize

    195KB

    MD5

    a955283f7b2b3f285b3000da3a4efdb6

    SHA1

    6edc173f3b14c575f51a327080dba46bd5aef412

    SHA256

    753a9ce81a424affa3a676b1c6675ed438a033f8b1bff397bae11f5f865d7537

    SHA512

    2724ac96e4f812a509fe86370e66b29a1c4ccd2465e7df6aafc3594f057cb7501f0c299e501174413102ec2f5fd4c24f6a17363c0e2eb0d521011d8881a15b83

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

    Filesize

    195KB

    MD5

    a955283f7b2b3f285b3000da3a4efdb6

    SHA1

    6edc173f3b14c575f51a327080dba46bd5aef412

    SHA256

    753a9ce81a424affa3a676b1c6675ed438a033f8b1bff397bae11f5f865d7537

    SHA512

    2724ac96e4f812a509fe86370e66b29a1c4ccd2465e7df6aafc3594f057cb7501f0c299e501174413102ec2f5fd4c24f6a17363c0e2eb0d521011d8881a15b83

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

    Filesize

    195KB

    MD5

    a955283f7b2b3f285b3000da3a4efdb6

    SHA1

    6edc173f3b14c575f51a327080dba46bd5aef412

    SHA256

    753a9ce81a424affa3a676b1c6675ed438a033f8b1bff397bae11f5f865d7537

    SHA512

    2724ac96e4f812a509fe86370e66b29a1c4ccd2465e7df6aafc3594f057cb7501f0c299e501174413102ec2f5fd4c24f6a17363c0e2eb0d521011d8881a15b83

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

    Filesize

    195KB

    MD5

    a955283f7b2b3f285b3000da3a4efdb6

    SHA1

    6edc173f3b14c575f51a327080dba46bd5aef412

    SHA256

    753a9ce81a424affa3a676b1c6675ed438a033f8b1bff397bae11f5f865d7537

    SHA512

    2724ac96e4f812a509fe86370e66b29a1c4ccd2465e7df6aafc3594f057cb7501f0c299e501174413102ec2f5fd4c24f6a17363c0e2eb0d521011d8881a15b83

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

    Filesize

    195KB

    MD5

    a955283f7b2b3f285b3000da3a4efdb6

    SHA1

    6edc173f3b14c575f51a327080dba46bd5aef412

    SHA256

    753a9ce81a424affa3a676b1c6675ed438a033f8b1bff397bae11f5f865d7537

    SHA512

    2724ac96e4f812a509fe86370e66b29a1c4ccd2465e7df6aafc3594f057cb7501f0c299e501174413102ec2f5fd4c24f6a17363c0e2eb0d521011d8881a15b83

  • memory/1000-58-0x0000000074961000-0x0000000074963000-memory.dmp

    Filesize

    8KB

  • memory/1000-56-0x0000000076561000-0x0000000076563000-memory.dmp

    Filesize

    8KB