Windows 7 deprecation

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Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11/09/2024, 05:39

General

  • Target

    887f1fa587b3a5110d5bcc8ac1a96529f15c3ece03048ed9aab5669ee7a6db2f.exe

  • Size

    1.1MB

  • MD5

    66910d297bdc6ec56f57e37b0325d04d

  • SHA1

    3e9285757083c12299c6a24cb625b0ec4f174466

  • SHA256

    887f1fa587b3a5110d5bcc8ac1a96529f15c3ece03048ed9aab5669ee7a6db2f

  • SHA512

    59e1ae4d350f26cca8c1f5e215c317dc6a090914ea6aefc39e6d3009cad45e99c777d194cc047c50c4cdb43f698cdad6b38531e4e1c57a0b36198ed84f37c334

  • SSDEEP

    24576:aH0dl8myX9Bg42QoXFkrzkmplSgRDYo0lG4Z8r7Qfbkiu5Qe:acallSllG4ZM7QzMF

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\887f1fa587b3a5110d5bcc8ac1a96529f15c3ece03048ed9aab5669ee7a6db2f.exe
    "C:\Users\Admin\AppData\Local\Temp\887f1fa587b3a5110d5bcc8ac1a96529f15c3ece03048ed9aab5669ee7a6db2f.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2200
      • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2956
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
          4⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2152
          • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2740
            • C:\Windows\SysWOW64\WScript.exe
              "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
              6⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1296
              • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
                "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
                7⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                • Suspicious use of SetWindowsHookEx
                • Suspicious use of WriteProcessMemory
                PID:308
                • C:\Windows\SysWOW64\WScript.exe
                  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
                  8⤵
                  • Loads dropped DLL
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:336
                  • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
                    "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
                    9⤵
                    • Executes dropped EXE
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of SetWindowsHookEx
                    PID:2888
              • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
                "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
                7⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                • Suspicious use of SetWindowsHookEx
                PID:2900

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Config.ini

    Filesize

    92B

    MD5

    67b9b3e2ded7086f393ebbc36c5e7bca

    SHA1

    e6299d0450b9a92a18cc23b5704a2b475652c790

    SHA256

    44063c266686263f14cd2a83fee124fb3e61a9171a6aab69709464f49511011d

    SHA512

    826fbc9481f46b1ae3db828a665c55c349023caf563e6e8c17321f5f3af3e4c3914955db6f0eebfc6defe561315435d47310b4d0499ab9c2c85bb61264dedc09

  • C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs

    Filesize

    696B

    MD5

    f262d0722b88145e786399f42047785d

    SHA1

    9f4426b6ac52bb0456945b0619fcd355d118a0b7

    SHA256

    f20592c5d5216a153e7d9fc67c87e2d3346f3781014162462e824a5dbc4c7aef

    SHA512

    da8aa8fd4f84c224f7c6f3fe483b030e2307f3313c003f17f6b9c943f9ea9d052d9d9297f93fdf49428eedd235ef6d7efe0199e1620e55cb052f2ca3cb492eb1

  • C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs

    Filesize

    753B

    MD5

    95b3658910eff5639d682f0321c735b5

    SHA1

    0a04c1aa18f555f5732ec5f71bdb32636b95ee1e

    SHA256

    15cdf89c2050db8007060db52aa70044258e5b7b3f52eb3e13dbac87b497088a

    SHA512

    680bdadaedd2dc153d0b1acfd33d91e8e6fb4e802960977c05ba713f24ec67d5ceb2d3d94fad99279fbb5f9adae72cc45cfb4bff2616e595ef7d1ba7a213e518

  • C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs

    Filesize

    696B

    MD5

    f988db0382571319f9b0af53097c2376

    SHA1

    fd83936b61f5d4256a899610d5c13c5a9b24e625

    SHA256

    8557443470cff4b30c533603a8e73dd9b9c55af2bae1ed0a7ce86d860fe4953c

    SHA512

    8f0df896cf7432ac5248f1149a79cc721e40e80dc1ced770f830725c00e64bb96944bbdd375aa25587e0574dba32375934cbf99bf99f33267296c1e605ac8703

  • C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs

    Filesize

    696B

    MD5

    f9d25791d9949ef33ed0c208f3d11851

    SHA1

    1cdf525209a1d7ade65168011e4de530de7bdc5a

    SHA256

    d3592a18c2a195dba2db76e25fb1516b2a9ef5297e9d72716e232d3540bc4481

    SHA512

    efb6f3882b9c75aa5193cf1bfeeb430b0a963681bf5367f535e3eb9c4e7c796c0aa1d0e3df9803c635ba6d863dc129a9ab30c954c6d4af27803036859d3d3113

  • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe

    Filesize

    1.1MB

    MD5

    042e318c9ded2b7ecc27f05b209cba98

    SHA1

    4d061a5ab25d88e453ecd4db7f90a3a5b1efb301

    SHA256

    e174b74362dae3520eca3f9dd668d19275940b4851774ac586a91b907dda67ce

    SHA512

    adcb4aeadb06b2a63bf5869265baf4545058f85e61701fac88b5b84d802786cc9896db3f6a6f9b1ec0f390384fb761fc6c78b41f68db18f185d1924e986f31c1

  • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe

    Filesize

    1.1MB

    MD5

    4a0fca8fe5e1cde8fb0056d7cda869c8

    SHA1

    c92329b5d661b66130e5ab7a9e9d5e9721d3b4f9

    SHA256

    e58e208f107470377893d5a88c133fadd9f6439a6611976e2cffb86b2ef1e959

    SHA512

    53010b899c807c868e5c9fb5ef9fa2191f3c88b243f8fadee6fe5266d7618a347fa9cb2648208d5286fc3fd78ba8edec472cffbfb5ec169ecefb1c9124f37802

  • memory/308-45-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB

  • memory/1296-51-0x0000000005CB0000-0x0000000005E0F000-memory.dmp

    Filesize

    1.4MB

  • memory/2152-26-0x0000000004590000-0x00000000046EF000-memory.dmp

    Filesize

    1.4MB

  • memory/2200-14-0x0000000004630000-0x000000000478F000-memory.dmp

    Filesize

    1.4MB

  • memory/2372-10-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB

  • memory/2372-0-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB

  • memory/2740-34-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB

  • memory/2888-54-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB

  • memory/2900-53-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB

  • memory/2900-55-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB

  • memory/2956-24-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB