Analysis

  • max time kernel
    160s
  • max time network
    47s
  • 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

    6811e301ae138c11b7672ff3290f199587404f77489ff0c87fa7d9baebe0da17.exe

  • Size

    182KB

  • MD5

    0d7674f0a25edca77e9f3c02e2e47704

  • SHA1

    a511681b2d73fa86f001c79c6bc3533ec6c17625

  • SHA256

    6811e301ae138c11b7672ff3290f199587404f77489ff0c87fa7d9baebe0da17

  • SHA512

    cda7a9d997ed2daa126724afc243de66901ac4aed2688e7498b0fa708f7e99f90c5aab4131366500c2d40b4147de45a5a4cd6496c60d81afaebdf82265d03045

  • SSDEEP

    3072:obpDCw1p3vmLvsZIaVwiwDcIbDHDCm/DER4eQ8Ob:gDCwfG1bnxLERRUb

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\6811e301ae138c11b7672ff3290f199587404f77489ff0c87fa7d9baebe0da17.exe
    "C:\Users\Admin\AppData\Local\Temp\6811e301ae138c11b7672ff3290f199587404f77489ff0c87fa7d9baebe0da17.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:1168
    • C:\Windows\SysWOW64\REG.exe
      REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
      2⤵
      • Modifies registry key
      PID:1932
    • 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:1732
      • 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:2032
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c c:\windows\W_X_C.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:520
        • C:\windows\hosts.exe
          C:\windows\hosts.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:1632
        • 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:1596
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1076
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:2000
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:948
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1548
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c c:\windows\W_X_C.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1456
      • 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:1488
        • 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:672
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c c:\windows\W_X_C.bat
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1816
          • C:\windows\hosts.exe
            C:\windows\hosts.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:1952
          • 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:632
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:112
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:2040
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:1088
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:1432
      • 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:1208

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    412KB

    MD5

    d5cb7ba12d5a782abf3f1709e1dcf814

    SHA1

    2500ee5c83c5c95ec443220cb439018b04c0b688

    SHA256

    487ab2e297bcdd501b216002748801fad4dbec88c135498f477b883cafa7ae22

    SHA512

    a1d647f42b01747bc57060d2b69456ca3487d75d32e9f0aab0304aa81472a693fe87ed95e0045b035239767772828a494d541d0a5be4c2c2f932bbc7ba3840a0

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

    Filesize

    777KB

    MD5

    dd22745d09270a0305f387ccad568749

    SHA1

    d904107434a079576c574d69e757129b40c95927

    SHA256

    b707419dc6bd96a1aa2415582e411692a0b5911e5f5aa860cc640ed27ec53579

    SHA512

    79a687de32d55ff511f22c913663ea7f696af138f4accd999452196d46405f7193fdac0fdde5f0ef4004fbd5c3103a0db2cb0d777f8f4c913edba06d12e0fa18

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

    Filesize

    777KB

    MD5

    dd22745d09270a0305f387ccad568749

    SHA1

    d904107434a079576c574d69e757129b40c95927

    SHA256

    b707419dc6bd96a1aa2415582e411692a0b5911e5f5aa860cc640ed27ec53579

    SHA512

    79a687de32d55ff511f22c913663ea7f696af138f4accd999452196d46405f7193fdac0fdde5f0ef4004fbd5c3103a0db2cb0d777f8f4c913edba06d12e0fa18

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

    Filesize

    1.1MB

    MD5

    1c7c554946579578679923fc385eed76

    SHA1

    5bf3d948cf424630cf24904f7bac1fcf9beaa162

    SHA256

    b135a8e1ab849586e02c882265ebcadd7f90bd39e95f019113d14a415261ad87

    SHA512

    835203bb481a53d6f9ded4f20487e06f1ac5bc55a9fdfa6b5b9958d59bdb2f7e231b39c72a92eea18fa31a5175040ed01f96da045ebe09bae3245016c37c1563

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

    Filesize

    1.1MB

    MD5

    d688d1b138d2550e95dfa992835ab053

    SHA1

    7c1991d5642a23115fab873ed752bd54c9785319

    SHA256

    9f276a3d5dfd573b3c77b259b94344660e5a69bdb2e3cd185e78f9be228f820f

    SHA512

    2a222714af34b944c040865426907b665015f2e163e90d2752aab693caf0ba45548c2b3154a1c88c5df1af2b66f0e8cf6d2f0666ab8537ca8b1ef2a4c78ca6c8

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

    Filesize

    1.3MB

    MD5

    9cd6e49e16f0e6fa141d34335d50641f

    SHA1

    ce59fc866df60e27d2f35c050489c2d344aaa27e

    SHA256

    d31a640d136c7476e985033ea4cbac3ac0cf34c97b1e08f6c11e887d2fb8cac7

    SHA512

    4d1c37a161d474a75df14831676a65d135ac049a43038337337c5bd7777ce6014e191098de00d75266e8d9ae9c5b950909262e2f982d3baab301375d11f3f269

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

    Filesize

    1.5MB

    MD5

    fcba829b05495f2c558586c55265db76

    SHA1

    b9f42c0c013c3b3c31b813bc167ca5972476fc30

    SHA256

    b27edc8f81cc2b1adcc266337953e545c66410ebccadca4f898874115fb489f4

    SHA512

    65e939c8b1dc350a877ea97b37ed0ed614aa416e29f993eb0e09a352a243ea83934bbc624480460c038d543711e74435bdac508fbe95575c39f091e2396d09bf

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

    Filesize

    182KB

    MD5

    6f26bbf89c32fc7aa116126ef4b350cf

    SHA1

    92a28bb8bd08d093f95fbbe7b597e00a9c875977

    SHA256

    5b3ef114702942f4d05c8809aec567f9974689e670c1e81f26c7414c0a28be2c

    SHA512

    fa6d29c5da148c951655e3cc36328a74eeea083ab056e75707b6678b328850dc257a9ff242d911e67f32eb214949d14d9a81dbc55f9c8bb0f3d29d805649a03d

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

    Filesize

    182KB

    MD5

    6f26bbf89c32fc7aa116126ef4b350cf

    SHA1

    92a28bb8bd08d093f95fbbe7b597e00a9c875977

    SHA256

    5b3ef114702942f4d05c8809aec567f9974689e670c1e81f26c7414c0a28be2c

    SHA512

    fa6d29c5da148c951655e3cc36328a74eeea083ab056e75707b6678b328850dc257a9ff242d911e67f32eb214949d14d9a81dbc55f9c8bb0f3d29d805649a03d

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

    Filesize

    182KB

    MD5

    6f26bbf89c32fc7aa116126ef4b350cf

    SHA1

    92a28bb8bd08d093f95fbbe7b597e00a9c875977

    SHA256

    5b3ef114702942f4d05c8809aec567f9974689e670c1e81f26c7414c0a28be2c

    SHA512

    fa6d29c5da148c951655e3cc36328a74eeea083ab056e75707b6678b328850dc257a9ff242d911e67f32eb214949d14d9a81dbc55f9c8bb0f3d29d805649a03d

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

    Filesize

    182KB

    MD5

    6f26bbf89c32fc7aa116126ef4b350cf

    SHA1

    92a28bb8bd08d093f95fbbe7b597e00a9c875977

    SHA256

    5b3ef114702942f4d05c8809aec567f9974689e670c1e81f26c7414c0a28be2c

    SHA512

    fa6d29c5da148c951655e3cc36328a74eeea083ab056e75707b6678b328850dc257a9ff242d911e67f32eb214949d14d9a81dbc55f9c8bb0f3d29d805649a03d

  • C:\Windows\W_X_C.vbs

    Filesize

    195B

    MD5

    b147c267b47c4a6cfa3a72c41407541b

    SHA1

    062231bf7639b26f92e6d5ef78d515f8eaa9639d

    SHA256

    c9b7b5b912ab24c729de962727ac33835dd58f17754f9368ac702b9987f3baf6

    SHA512

    4f646fee7eaa29f33604b3f349b3d90a65bec39fdbe80bac6dcd2cd67b17475e51f833a66a5207d3008fede867792605bab132d6672e206bfefaa83aa344ac64

  • C:\Windows\hosts.exe

    Filesize

    182KB

    MD5

    6dec63fc61ef866f3847aa1f0d32d2a6

    SHA1

    a7d65cc39353fbd05de58b6a86f2faa22c073e12

    SHA256

    b53a2be428e34734c53f1c256190cd887b687db80eb3d1218b89a14a9315c597

    SHA512

    70026c190bf1b699cb2975b9eb4d70f633f581bbb5e52bdd0f28bb43d9bedbb79b7b94bc362b107778c9ec01b46d45f22b97d9b0d101241c8821b9163f6e95d7

  • C:\Windows\hosts.exe

    Filesize

    182KB

    MD5

    6dec63fc61ef866f3847aa1f0d32d2a6

    SHA1

    a7d65cc39353fbd05de58b6a86f2faa22c073e12

    SHA256

    b53a2be428e34734c53f1c256190cd887b687db80eb3d1218b89a14a9315c597

    SHA512

    70026c190bf1b699cb2975b9eb4d70f633f581bbb5e52bdd0f28bb43d9bedbb79b7b94bc362b107778c9ec01b46d45f22b97d9b0d101241c8821b9163f6e95d7

  • C:\Windows\hosts.exe

    Filesize

    182KB

    MD5

    6dec63fc61ef866f3847aa1f0d32d2a6

    SHA1

    a7d65cc39353fbd05de58b6a86f2faa22c073e12

    SHA256

    b53a2be428e34734c53f1c256190cd887b687db80eb3d1218b89a14a9315c597

    SHA512

    70026c190bf1b699cb2975b9eb4d70f633f581bbb5e52bdd0f28bb43d9bedbb79b7b94bc362b107778c9ec01b46d45f22b97d9b0d101241c8821b9163f6e95d7

  • C:\Windows\hosts.exe

    Filesize

    182KB

    MD5

    6dec63fc61ef866f3847aa1f0d32d2a6

    SHA1

    a7d65cc39353fbd05de58b6a86f2faa22c073e12

    SHA256

    b53a2be428e34734c53f1c256190cd887b687db80eb3d1218b89a14a9315c597

    SHA512

    70026c190bf1b699cb2975b9eb4d70f633f581bbb5e52bdd0f28bb43d9bedbb79b7b94bc362b107778c9ec01b46d45f22b97d9b0d101241c8821b9163f6e95d7

  • C:\windows\hosts.exe

    Filesize

    182KB

    MD5

    6dec63fc61ef866f3847aa1f0d32d2a6

    SHA1

    a7d65cc39353fbd05de58b6a86f2faa22c073e12

    SHA256

    b53a2be428e34734c53f1c256190cd887b687db80eb3d1218b89a14a9315c597

    SHA512

    70026c190bf1b699cb2975b9eb4d70f633f581bbb5e52bdd0f28bb43d9bedbb79b7b94bc362b107778c9ec01b46d45f22b97d9b0d101241c8821b9163f6e95d7

  • \??\c:\windows\W_X_C.bat

    Filesize

    336B

    MD5

    4db9f8b6175722b62ececeeeba1ce307

    SHA1

    3b3ba8414706e72a6fa19e884a97b87609e11e47

    SHA256

    d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

    SHA512

    1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b

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

    Filesize

    182KB

    MD5

    6f26bbf89c32fc7aa116126ef4b350cf

    SHA1

    92a28bb8bd08d093f95fbbe7b597e00a9c875977

    SHA256

    5b3ef114702942f4d05c8809aec567f9974689e670c1e81f26c7414c0a28be2c

    SHA512

    fa6d29c5da148c951655e3cc36328a74eeea083ab056e75707b6678b328850dc257a9ff242d911e67f32eb214949d14d9a81dbc55f9c8bb0f3d29d805649a03d

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

    Filesize

    182KB

    MD5

    6f26bbf89c32fc7aa116126ef4b350cf

    SHA1

    92a28bb8bd08d093f95fbbe7b597e00a9c875977

    SHA256

    5b3ef114702942f4d05c8809aec567f9974689e670c1e81f26c7414c0a28be2c

    SHA512

    fa6d29c5da148c951655e3cc36328a74eeea083ab056e75707b6678b328850dc257a9ff242d911e67f32eb214949d14d9a81dbc55f9c8bb0f3d29d805649a03d

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

    Filesize

    182KB

    MD5

    6f26bbf89c32fc7aa116126ef4b350cf

    SHA1

    92a28bb8bd08d093f95fbbe7b597e00a9c875977

    SHA256

    5b3ef114702942f4d05c8809aec567f9974689e670c1e81f26c7414c0a28be2c

    SHA512

    fa6d29c5da148c951655e3cc36328a74eeea083ab056e75707b6678b328850dc257a9ff242d911e67f32eb214949d14d9a81dbc55f9c8bb0f3d29d805649a03d

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

    Filesize

    182KB

    MD5

    6f26bbf89c32fc7aa116126ef4b350cf

    SHA1

    92a28bb8bd08d093f95fbbe7b597e00a9c875977

    SHA256

    5b3ef114702942f4d05c8809aec567f9974689e670c1e81f26c7414c0a28be2c

    SHA512

    fa6d29c5da148c951655e3cc36328a74eeea083ab056e75707b6678b328850dc257a9ff242d911e67f32eb214949d14d9a81dbc55f9c8bb0f3d29d805649a03d

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

    Filesize

    182KB

    MD5

    6f26bbf89c32fc7aa116126ef4b350cf

    SHA1

    92a28bb8bd08d093f95fbbe7b597e00a9c875977

    SHA256

    5b3ef114702942f4d05c8809aec567f9974689e670c1e81f26c7414c0a28be2c

    SHA512

    fa6d29c5da148c951655e3cc36328a74eeea083ab056e75707b6678b328850dc257a9ff242d911e67f32eb214949d14d9a81dbc55f9c8bb0f3d29d805649a03d

  • memory/112-107-0x0000000000000000-mapping.dmp

  • memory/520-73-0x0000000000000000-mapping.dmp

  • memory/632-99-0x0000000000000000-mapping.dmp

  • memory/672-88-0x0000000000000000-mapping.dmp

  • memory/948-114-0x0000000000000000-mapping.dmp

  • memory/1076-108-0x0000000000000000-mapping.dmp

  • memory/1088-115-0x0000000000000000-mapping.dmp

  • memory/1168-56-0x0000000076401000-0x0000000076403000-memory.dmp

    Filesize

    8KB

  • memory/1168-58-0x0000000074D61000-0x0000000074D63000-memory.dmp

    Filesize

    8KB

  • memory/1208-100-0x0000000000000000-mapping.dmp

  • memory/1432-120-0x0000000000000000-mapping.dmp

  • memory/1456-74-0x0000000000000000-mapping.dmp

  • memory/1488-77-0x0000000000000000-mapping.dmp

  • memory/1548-121-0x0000000000000000-mapping.dmp

  • memory/1596-101-0x0000000000000000-mapping.dmp

  • memory/1632-76-0x0000000000000000-mapping.dmp

  • memory/1732-61-0x0000000000000000-mapping.dmp

  • memory/1816-93-0x0000000000000000-mapping.dmp

  • memory/1932-57-0x0000000000000000-mapping.dmp

  • memory/1952-94-0x0000000000000000-mapping.dmp

  • memory/2000-111-0x0000000000000000-mapping.dmp

  • memory/2032-68-0x0000000000000000-mapping.dmp

  • memory/2040-110-0x0000000000000000-mapping.dmp