Analysis

  • max time kernel
    117s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    15-06-2024 11:19

General

  • Target

    SolaraBootstrapper.exe

  • Size

    798KB

  • MD5

    7416a188b82e9dc4b020a59d3c9267d5

  • SHA1

    15b67c0e13667dd00f2f1d1d2d3132e629e746f3

  • SHA256

    6a6990c2da4da8f8870da3e33865a1dff8f16874793b232971194c074f3b7838

  • SHA512

    3f2616216e8dc70362cc6d3f8e76a009108fe04d98697a744c131b76f3c693364ef2a80716ccd9a8f9987d2ac10b0316b0328a0066260055fcbadcd449aaf704

  • SSDEEP

    12288:pfSmzhHoAX5TyQvgwRojAojGdJaTGLLvlguxD:smzhHWQDRojAojGddLL

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 3 IoCs
  • Blocklisted process makes network request 4 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 5 IoCs
  • Program crash 1 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe
    "C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Windows\SysWOW64\msiexec.exe
      "msiexec" /i "C:\Users\Admin\AppData\Local\Temp\node-v18.16.0-x64.msi" /qn
      2⤵
      • Enumerates connected drives
      • Suspicious use of AdjustPrivilegeToken
      PID:2440
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 1548
      2⤵
      • Program crash
      PID:2624
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2712
    • C:\Windows\system32\MsiExec.exe
      C:\Windows\system32\MsiExec.exe -Embedding F8D0DCAD32C981910FA752A81C03CFB1
      2⤵
      • Loads dropped DLL
      PID:1976
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 33A0DFA1AD474E5EAAD8176366D7B6F5
      2⤵
      • Loads dropped DLL
      PID:1916
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:1200

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357
      Filesize

      1KB

      MD5

      a266bb7dcc38a562631361bbf61dd11b

      SHA1

      3b1efd3a66ea28b16697394703a72ca340a05bd5

      SHA256

      df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

      SHA512

      0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
      Filesize

      342B

      MD5

      8e510a191615cea6cb2344745a806c90

      SHA1

      c2d2a9657dfe2ab5f018a0d041f92a10b71cdc15

      SHA256

      b833c6032debfa52ed38f9bb4e3b6e2fba56b3c56abc381c8b57d364f71170ee

      SHA512

      679ee703980a765d635bc4ed0282eba7934ecf8378256c5ac0c1cf9f5b78cdb9e1c91f0920aa463b70fcc97c4d2c3b22ddd975fcad874b0d8599f242e2bd30d3

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357
      Filesize

      242B

      MD5

      5beb52ee79f125fe5518f393cd3e6348

      SHA1

      eacd8757074e0c525a93d3d87dbf4e52400f0266

      SHA256

      d29b5f10bf765b2cfc81d205ebd6e0208c651100b11f0feaded48c59a3352109

      SHA512

      c6794c9e8a93aafa099065e8721a65dd85ce14645494437d66539c2353494fd4c3ea140a53f8378554404a78d089ae7a831ee81177994b842b19ccc8bc815371

    • C:\Users\Admin\AppData\Local\Temp\Tar35C5.tmp
      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • C:\Users\Admin\AppData\Local\Temp\node-v18.16.0-x64.msi
      Filesize

      30.1MB

      MD5

      0e4e9aa41d24221b29b19ba96c1a64d0

      SHA1

      231ade3d5a586c0eb4441c8dbfe9007dc26b2872

      SHA256

      5bfb6f3ab89e198539408f7e0e8ec0b0bd5efe8898573ec05b381228efb45a5d

      SHA512

      e6f27aecead72dffecbeaad46ebdf4b1fd3dbcddd1f6076ba183b654e4e32d30f7af1236bf2e04459186e993356fe2041840671be73612c8afed985c2c608913

    • C:\Windows\Installer\MSI48BA.tmp
      Filesize

      122KB

      MD5

      9fe9b0ecaea0324ad99036a91db03ebb

      SHA1

      144068c64ec06fc08eadfcca0a014a44b95bb908

      SHA256

      e2cce64916e405976a1d0c522b44527d12b1cba19de25da62121cf5f41d184c9

      SHA512

      906641a73d69a841218ae90b83714a05af3537eec8ad1d761f58ac365cf005bdd74ad88f71c4437aaa126ac74fa46bcad424d17c746ab197eec2caa1bd838176

    • C:\Windows\Installer\MSI4986.tmp
      Filesize

      211KB

      MD5

      a3ae5d86ecf38db9427359ea37a5f646

      SHA1

      eb4cb5ff520717038adadcc5e1ef8f7c24b27a90

      SHA256

      c8d190d5be1efd2d52f72a72ae9dfa3940ab3faceb626405959349654fe18b74

      SHA512

      96ecb3bc00848eeb2836e289ef7b7b2607d30790ffd1ae0e0acfc2e14f26a991c6e728b8dc67280426e478c70231f9e13f514e52c8ce7d956c1fad0e322d98e0

    • memory/1972-0-0x0000000074A5E000-0x0000000074A5F000-memory.dmp
      Filesize

      4KB

    • memory/1972-1-0x00000000003A0000-0x000000000046E000-memory.dmp
      Filesize

      824KB

    • memory/1972-2-0x0000000074A50000-0x000000007513E000-memory.dmp
      Filesize

      6.9MB

    • memory/1972-97-0x0000000074A50000-0x000000007513E000-memory.dmp
      Filesize

      6.9MB