Resubmissions

24-06-2024 15:13

240624-slt3yasbrl 9

24-06-2024 15:12

240624-sk93rssbpj 7

Analysis

  • max time kernel
    121s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    24-06-2024 15:13

General

  • Target

    SolaraB2/Solara/SolaraBootstrapper.exe

  • Size

    797KB

  • MD5

    36b62ba7d1b5e149a2c297f11e0417ee

  • SHA1

    ce1b828476274375e632542c4842a6b002955603

  • SHA256

    8353c5ace62fda6aba330fb3396e4aab11d7e0476f815666bd96a978724b9e0c

  • SHA512

    fddec44631e7a800abf232648bbf417969cd5cc650f32c17b0cdc12a0a2afeb9a5dbf5c1f899bd2fa496bd22307bfc8d1237c94920fceafd84f47e13a6b98b94

  • SSDEEP

    12288:n1mzgHpbzEu8AgpQojA1j855xU9pHIRxSNN:1mzgH385QojA1j855xSHI

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\SolaraB2\Solara\SolaraBootstrapper.exe
    "C:\Users\Admin\AppData\Local\Temp\SolaraB2\Solara\SolaraBootstrapper.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2996
    • 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:1636
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 1572
      2⤵
      • Program crash
      PID:1836
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:3016
    • 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:1744
      • C:\Windows\system32\MsiExec.exe
        C:\Windows\system32\MsiExec.exe -Embedding 5CBA278189B7155E0EDF0359BBD75185
        2⤵
        • Loads dropped DLL
        PID:1384
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding A31B31DD524EDFF5D0B6C87D866E7627
        2⤵
        • Loads dropped DLL
        PID:956

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    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

      dd03d37ae6839080c700f70dbca14a3f

      SHA1

      eb6e99a76675b465df49468b474b12d9a6614f65

      SHA256

      57046d53378f7939ab9b2267f25017a4231232435cd2dc18deaaf8013644b210

      SHA512

      b77fefd70862e2bef89ad676533b953b1a2e07b1218af2e261dd27f249fa47b8f262022940bb1d0c63d8d574aa7be5e2e27c044efdb796f6d4007ece0075deda

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

      Filesize

      242B

      MD5

      386d0daf439578cf3b760ae68086fd1b

      SHA1

      e4e4c55fe28cc6fc81a0ad3204c721019fdbb212

      SHA256

      6594a6e18d841d146a3cff2515e952188f79d103e3c27e8116511a74e1098838

      SHA512

      3c895abffcfdd3f6e94ec72713b366743db37cf819dfccdcf769d5d855bbcca0e3b044ee26c8f41d4b9b45b36b7311330a9310abdebff3bd53061133f569581d

    • C:\Users\Admin\AppData\Local\Temp\Tar79D6.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\MSI8D86.tmp

      Filesize

      122KB

      MD5

      9fe9b0ecaea0324ad99036a91db03ebb

      SHA1

      144068c64ec06fc08eadfcca0a014a44b95bb908

      SHA256

      e2cce64916e405976a1d0c522b44527d12b1cba19de25da62121cf5f41d184c9

      SHA512

      906641a73d69a841218ae90b83714a05af3537eec8ad1d761f58ac365cf005bdd74ad88f71c4437aaa126ac74fa46bcad424d17c746ab197eec2caa1bd838176

    • \Windows\Installer\MSI8DD6.tmp

      Filesize

      211KB

      MD5

      a3ae5d86ecf38db9427359ea37a5f646

      SHA1

      eb4cb5ff520717038adadcc5e1ef8f7c24b27a90

      SHA256

      c8d190d5be1efd2d52f72a72ae9dfa3940ab3faceb626405959349654fe18b74

      SHA512

      96ecb3bc00848eeb2836e289ef7b7b2607d30790ffd1ae0e0acfc2e14f26a991c6e728b8dc67280426e478c70231f9e13f514e52c8ce7d956c1fad0e322d98e0

    • memory/2996-2-0x0000000073F30000-0x000000007461E000-memory.dmp

      Filesize

      6.9MB

    • memory/2996-0-0x0000000073F3E000-0x0000000073F3F000-memory.dmp

      Filesize

      4KB

    • memory/2996-1-0x0000000000F30000-0x0000000000FFE000-memory.dmp

      Filesize

      824KB

    • memory/2996-97-0x0000000073F3E000-0x0000000073F3F000-memory.dmp

      Filesize

      4KB

    • memory/2996-98-0x0000000073F30000-0x000000007461E000-memory.dmp

      Filesize

      6.9MB