Analysis

  • max time kernel
    109s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    06/11/2022, 13:41 UTC

General

  • Target

    778dc5f402ea7e860c9e7dd05f6a6569788da9da59522eeca90f3aecbfd94e37.exe

  • Size

    581KB

  • MD5

    0d9efdf9dd6cc7465a3c03ed83f891c7

  • SHA1

    99063fd892a1c9394131ea20ef728e745151428b

  • SHA256

    778dc5f402ea7e860c9e7dd05f6a6569788da9da59522eeca90f3aecbfd94e37

  • SHA512

    ab50b6ec59f6147c3a1f489ffaa70a2cdb49e26ce162a1fde913d4b187850ba8fd8116bce252e871b4b8432f5c3648b7697800b588e17a69cd21a1312ef48f1c

  • SSDEEP

    12288:uoMDtCi7NFlZnNqZ9xGrLpZ0ZHEqtgb0U3:ufplNFgxG5eZngb0E

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 7 IoCs
  • Modifies Internet Explorer settings 1 TTPs 34 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\778dc5f402ea7e860c9e7dd05f6a6569788da9da59522eeca90f3aecbfd94e37.exe
    "C:\Users\Admin\AppData\Local\Temp\778dc5f402ea7e860c9e7dd05f6a6569788da9da59522eeca90f3aecbfd94e37.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1344
    • C:\Users\Admin\AppData\Local\Temp\nbfile0.exe
      C:\Users\Admin\AppData\Local\Temp\nbfile0.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1560
      • C:\Program Files\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://down.97199.com/install2/?sl3
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:824
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:824 CREDAT:275457 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:892
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\nbfile0.exe
        3⤵
          PID:968
      • C:\Users\Admin\AppData\Local\Temp\nbfile1.exe
        C:\Users\Admin\AppData\Local\Temp\nbfile1.exe
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1044
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\newsetup.vbs"
          3⤵
            PID:1636
          • C:\Windows\SysWOW64\WScript.exe
            "C:\Windows\System32\WScript.exe" "C:\1.vbs"
            3⤵
              PID:1852

        Network

        • flag-us
          DNS
          down.97199.com
          IEXPLORE.EXE
          Remote address:
          8.8.8.8:53
          Request
          down.97199.com
          IN A
          Response
        • 204.79.197.200:443
          ieonline.microsoft.com
          tls
          IEXPLORE.EXE
          707 B
          7.6kB
          8
          11
        • 8.8.8.8:53
          down.97199.com
          dns
          IEXPLORE.EXE
          60 B
          120 B
          1
          1

          DNS Request

          down.97199.com

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\nbfile0.exe

          Filesize

          467KB

          MD5

          74869a0346ab36bbba85022612505121

          SHA1

          2cd02f46f2f9f46eaf15fce40a3bf4781f80cf8a

          SHA256

          6de866b5c8abb1db9b2be231b365c1aa029118fbc58823f443f00e3a33dff18a

          SHA512

          723812083113cff82aa5e2243759c572518865e351cc81b7c2b85a05557862dbbd7a98b964ff6f3aa3802bb5d4dab01a14147211495fc5803d9ddb7b715f4de5

        • C:\Users\Admin\AppData\Local\Temp\nbfile1.exe

          Filesize

          52KB

          MD5

          c4ddf11ebdbf9d8397d710d2cb4e2fab

          SHA1

          8008c97e7d6ff92deb3e1755a614f4afedca92b9

          SHA256

          67a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6

          SHA512

          3c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9

        • C:\Users\Admin\AppData\Local\Temp\nbfile1.exe

          Filesize

          52KB

          MD5

          c4ddf11ebdbf9d8397d710d2cb4e2fab

          SHA1

          8008c97e7d6ff92deb3e1755a614f4afedca92b9

          SHA256

          67a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6

          SHA512

          3c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\2H2PPHV8.txt

          Filesize

          606B

          MD5

          e81cccec4727b3e2f225e21d7a31a52b

          SHA1

          e828fb2f9020c154a2e41e8a2b039854dd4fc564

          SHA256

          6a4d8bdc3fd142b81ad7988f0aa8838b2013b44e6ebfcbd39147b9c8b0fcdb1f

          SHA512

          a455c36b881eb12f98a09747a8f1518c466b8e051ce639e6104499879eeeb52704d40cf4a8da3fb9643fa7f1733e7a1724d86cb71ab42016e0d923ac3f686fb8

        • C:\newsetup.vbs

          Filesize

          651B

          MD5

          4736e7158c27f244482f5a614b9dbdae

          SHA1

          d3a0e95a81e9e3ec95cfd596b25749a0e24e27b9

          SHA256

          b8229bc8d6b0013858fb9599cb510afa4566a439164b2c7444c449540a124acc

          SHA512

          cebf895dd3ec3822c42b78bac49c685b063cb5afcbcfb3850b073cb118d086c5fa75ec50b6e73d90e14f2c6b595752ad87910b8cf27378424d72a9ea309bf824

        • \Users\Admin\AppData\Local\Temp\nbfile0.exe

          Filesize

          467KB

          MD5

          74869a0346ab36bbba85022612505121

          SHA1

          2cd02f46f2f9f46eaf15fce40a3bf4781f80cf8a

          SHA256

          6de866b5c8abb1db9b2be231b365c1aa029118fbc58823f443f00e3a33dff18a

          SHA512

          723812083113cff82aa5e2243759c572518865e351cc81b7c2b85a05557862dbbd7a98b964ff6f3aa3802bb5d4dab01a14147211495fc5803d9ddb7b715f4de5

        • \Users\Admin\AppData\Local\Temp\nbfile0.exe

          Filesize

          467KB

          MD5

          74869a0346ab36bbba85022612505121

          SHA1

          2cd02f46f2f9f46eaf15fce40a3bf4781f80cf8a

          SHA256

          6de866b5c8abb1db9b2be231b365c1aa029118fbc58823f443f00e3a33dff18a

          SHA512

          723812083113cff82aa5e2243759c572518865e351cc81b7c2b85a05557862dbbd7a98b964ff6f3aa3802bb5d4dab01a14147211495fc5803d9ddb7b715f4de5

        • \Users\Admin\AppData\Local\Temp\nbfile1.exe

          Filesize

          52KB

          MD5

          c4ddf11ebdbf9d8397d710d2cb4e2fab

          SHA1

          8008c97e7d6ff92deb3e1755a614f4afedca92b9

          SHA256

          67a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6

          SHA512

          3c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9

        • \Users\Admin\AppData\Local\Temp\nbfile1.exe

          Filesize

          52KB

          MD5

          c4ddf11ebdbf9d8397d710d2cb4e2fab

          SHA1

          8008c97e7d6ff92deb3e1755a614f4afedca92b9

          SHA256

          67a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6

          SHA512

          3c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9

        • \Users\Admin\AppData\Local\Temp\nbfile1.exe

          Filesize

          52KB

          MD5

          c4ddf11ebdbf9d8397d710d2cb4e2fab

          SHA1

          8008c97e7d6ff92deb3e1755a614f4afedca92b9

          SHA256

          67a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6

          SHA512

          3c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9

        • \Users\Admin\AppData\Local\Temp\nbfile1.exe

          Filesize

          52KB

          MD5

          c4ddf11ebdbf9d8397d710d2cb4e2fab

          SHA1

          8008c97e7d6ff92deb3e1755a614f4afedca92b9

          SHA256

          67a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6

          SHA512

          3c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9

        • \Users\Admin\AppData\Local\Temp\nbfile1.exe

          Filesize

          52KB

          MD5

          c4ddf11ebdbf9d8397d710d2cb4e2fab

          SHA1

          8008c97e7d6ff92deb3e1755a614f4afedca92b9

          SHA256

          67a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6

          SHA512

          3c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9

        • memory/1044-68-0x0000000074F41000-0x0000000074F43000-memory.dmp

          Filesize

          8KB

        • memory/1344-60-0x0000000001D90000-0x0000000001E1A000-memory.dmp

          Filesize

          552KB

        • memory/1560-63-0x0000000000400000-0x000000000048A000-memory.dmp

          Filesize

          552KB

        • memory/1560-61-0x0000000000400000-0x000000000048A000-memory.dmp

          Filesize

          552KB

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