Analysis

  • max time kernel
    169s
  • max time network
    211s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2022, 11:57

General

  • Target

    bfd1d76935ad5ef4a6ea469ecb71439f9c2f502a89f19be3994de27d344cff1b.exe

  • Size

    581KB

  • MD5

    c4017c1742168cddea46e4329aeabc85

  • SHA1

    3f2badd92670c758ee114f30dbca47b2192dee82

  • SHA256

    bfd1d76935ad5ef4a6ea469ecb71439f9c2f502a89f19be3994de27d344cff1b

  • SHA512

    38a44f5504192faa6be96012223044da35780e80369f4423e49e93f237e18b5dfe89cbe772f2e96f15c756333f5d7b53261b159a052b724781f69c1724f7f282

  • SSDEEP

    12288:uoMDtCi7NFlZnNqZ9xGrLpZ0ZHEqtgb0Ui:ufplNFgxG5eZngb0B

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 36 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\bfd1d76935ad5ef4a6ea469ecb71439f9c2f502a89f19be3994de27d344cff1b.exe
    "C:\Users\Admin\AppData\Local\Temp\bfd1d76935ad5ef4a6ea469ecb71439f9c2f502a89f19be3994de27d344cff1b.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1168
    • 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:892
      • 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:556
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:556 CREDAT:275457 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1888
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\nbfile0.exe
        3⤵
          PID:1636
      • 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:1592
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\newsetup.vbs"
          3⤵
            PID:820
          • C:\Windows\SysWOW64\WScript.exe
            "C:\Windows\System32\WScript.exe" "C:\1.vbs"
            3⤵
              PID:976

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              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\M3AMCIQQ.txt

                Filesize

                601B

                MD5

                def3f21f157022516cd08499e1999f7d

                SHA1

                9c64ed2be9e8751643a805939abecf609886d106

                SHA256

                2932c833773608d8e9b8e4ca0c655021a21643f2803a1c2240640012dc09e980

                SHA512

                73d0e5db48413b2c38394cdaf1e5d7dc9887b9b9ee20bb9709453a11003645f62c845a19a524df58899bccefc26fce0202a8486942def5e99a20cb715bb1a9e3

              • 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/892-61-0x0000000000400000-0x000000000048A000-memory.dmp

                Filesize

                552KB

              • memory/892-66-0x0000000000400000-0x000000000048A000-memory.dmp

                Filesize

                552KB

              • memory/1168-60-0x0000000000310000-0x000000000039A000-memory.dmp

                Filesize

                552KB

              • memory/1592-68-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

                Filesize

                8KB