Analysis

  • max time kernel
    98s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-12-2023 22:40

General

  • Target

    166fff8c1265d9f93bcb065d9fc41b55.exe

  • Size

    1.1MB

  • MD5

    166fff8c1265d9f93bcb065d9fc41b55

  • SHA1

    bb419c9675286ca3bccf27a27ebe5652d1036e62

  • SHA256

    dca7d0f66b7b870eeb4021759996c35a5fefdc98c5690b56bf901f69eebda23d

  • SHA512

    7b63524d3e0a1ed2226e6c2dcf04551cd3adccf0336f654a41fee9f5b98b78460c402727687514bf28fa30d5f7ea68a43f7c2f16d4858bb30c238dec19e06d84

  • SSDEEP

    24576:8bSaE4mvt/qO4FGAjOjBwVg/1eWzdXaLyt7YB:8bSv4mv4O4USjg/1eWzdJ7YB

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

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

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

  • Program crash 1 IoCs
  • NSIS installer 2 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\166fff8c1265d9f93bcb065d9fc41b55.exe
    "C:\Users\Admin\AppData\Local\Temp\166fff8c1265d9f93bcb065d9fc41b55.exe"
    1⤵
    • Checks computer location settings
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:636
    • C:\Users\Admin\AppData\Local\Temp\File.exe
      "C:\Users\Admin\AppData\Local\Temp\File.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:752
      • C:\Users\Admin\AppData\Local\Temp\1430708483.exe
        C:\Users\Admin\AppData\Local\Temp\1430708483.exe 0*6*7*1*6*5*0*5*4*1*8 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
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1060
        • C:\Windows\SysWOW64\Wbem\wmic.exe
          wmic /output:C:\Users\Admin\AppData\Local\Temp\81703548808.txt bios get serialnumber
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1256
        • C:\Windows\SysWOW64\Wbem\wmic.exe
          wmic /output:C:\Users\Admin\AppData\Local\Temp\81703548808.txt bios get version
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4276
        • C:\Windows\SysWOW64\Wbem\wmic.exe
          wmic /output:C:\Users\Admin\AppData\Local\Temp\81703548808.txt bios get version
          4⤵
            PID:4956
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic /output:C:\Users\Admin\AppData\Local\Temp\81703548808.txt bios get version
            4⤵
              PID:4396
            • C:\Windows\SysWOW64\Wbem\wmic.exe
              wmic /output:C:\Users\Admin\AppData\Local\Temp\81703548808.txt bios get version
              4⤵
                PID:3684
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1060 -s 948
                4⤵
                • Program crash
                PID:3644
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1060 -ip 1060
          1⤵
            PID:3884

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\1430708483.exe

            Filesize

            928KB

            MD5

            aec53c763c894df449713b869c864a50

            SHA1

            55d9a69a1430a9a09a92ed20ff905056a7639dfb

            SHA256

            975abfb32435e0106cc7234c428dd9709e4b11982fe6310260822bb5cfaf4195

            SHA512

            8ebf51550eb4e84494e32ae6f281f051980923852678087b8e0d7bfcff5ad08b59b93846938994ded6987ea375fdfbe03562465f6fe38690eb7f0270830d0dbc

          • C:\Users\Admin\AppData\Local\Temp\81703548808.txt

            Filesize

            66B

            MD5

            9025468f85256136f923096b01375964

            SHA1

            7fcd174999661594fa5f88890ffb195e9858cc52

            SHA256

            d5418014fa8e6e17d8992fd12c0dfecac8a34855603ea58133e87ea09c2130df

            SHA512

            92cac37c332e6e276a963d659986a79a79867df44682bfc2d77ed7784ffa5e2c149e5960a83d03ef4cf171be40a73e93a110aaa53b95152fa9a9da6b41d31e51

          • C:\Users\Admin\AppData\Local\Temp\81703548808.txt

            Filesize

            2B

            MD5

            f3b25701fe362ec84616a93a45ce9998

            SHA1

            d62636d8caec13f04e28442a0a6fa1afeb024bbb

            SHA256

            b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

            SHA512

            98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

          • C:\Users\Admin\AppData\Local\Temp\81703548808.txt

            Filesize

            58B

            MD5

            dd876faf0fd44a5fab3e82368e2e8b15

            SHA1

            01b04083fa278dda3a81705ca5abcfee487a3c90

            SHA256

            5602490a82bcacec8797d25cbb6f643fc9e69f89a2f0e6ec1e8d1f568e77a6b9

            SHA512

            e03d1def5b7fb0ed01a414cead199229ec0e153ff831d3ff5dd36c320572084c56a5e1369c753f868c855455758c0d308941b6187c348051419bd937d014cb8b

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

            Filesize

            614KB

            MD5

            60bdf53bdd628249cedef71a6f14201b

            SHA1

            df11e39369b3c861fd4bc2a54829f121b8b10055

            SHA256

            3dff1c1a47a1f17f59ea8d455f96950cc060f7072abfeeacf3c704e7d5ac2dc4

            SHA512

            44e3fe5975588aecaf572bafac9e926eb7f33f5d371ebd7175b56a915e10701e802290f0df6994f45b17e8561656885dbb688dcacd2f33d1f5706ddc7f783b62

          • C:\Users\Admin\AppData\Local\Temp\nsa61E7.tmp\dsvfr.dll

            Filesize

            126KB

            MD5

            c77a97b9a08e2e742170cc1aa7c2fcb1

            SHA1

            98d637e1f3cf0fdebd74bf821aaf43bd42590a06

            SHA256

            e9f06c5e19f0682473abc1f73fd7c400dbb0d79124c161f4f863a2be7249ac72

            SHA512

            f73d8ba2dc2bb0707edbc0ba1fd9b89742fc91f787c5c58f9243dad42a2de64d655bd34068d3a92a7630810249f3fdeb389b2318a3d1482f29b5ce79e0fbc575

          • C:\Users\Admin\AppData\Local\Temp\nsa61E7.tmp\nsisunz.dll

            Filesize

            40KB

            MD5

            5f13dbc378792f23e598079fc1e4422b

            SHA1

            5813c05802f15930aa860b8363af2b58426c8adf

            SHA256

            6e87ecb7f62039fbb6e7676422d1a5e75a32b90dde6865dcb68ee658ba8df61d

            SHA512

            9270635a5294482f49e0292e26d45dd103b85fe27dc163d44531b095c5f9dbde6b904adaf1a888ba3c112a094380394713c796f5195b2566a20f00b42b6578e5

          • memory/636-0-0x00007FF93C730000-0x00007FF93D0D1000-memory.dmp

            Filesize

            9.6MB

          • memory/636-3-0x00000000012D0000-0x00000000012E0000-memory.dmp

            Filesize

            64KB

          • memory/636-15-0x000000001C560000-0x000000001C5D8000-memory.dmp

            Filesize

            480KB

          • memory/636-90-0x00007FF93C730000-0x00007FF93D0D1000-memory.dmp

            Filesize

            9.6MB