Analysis

  • max time kernel
    16s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    02/08/2024, 23:52

General

  • Target

    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
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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⤵
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Windows\SysWOW64\msiexec.exe
      "msiexec" /i "C:\Users\Admin\AppData\Local\Temp\node-v18.16.0-x64.msi" /qn
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2596
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 1468
      2⤵
      • Program crash
      PID:1908
  • 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:844
    • C:\Windows\system32\MsiExec.exe
      C:\Windows\system32\MsiExec.exe -Embedding 5CDD5427425238F4CF27203D568674D9
      2⤵
      • Loads dropped DLL
      PID:2396
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 5424B6515217D8D0F1D71BDE276E85B7
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:444

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    342B

    MD5

    614d90dfc121eba3edb28db8b6f60c32

    SHA1

    b57260fe40fd6ae3415a8a41228030a835652196

    SHA256

    644a4a25b9a476d4b9800effd1f3f2f9cd85c27bd935475e3e0988b4695b67c4

    SHA512

    0b453052d6ab21db36ea1eaa229a93e36458acd910d6ddaeeee776d7c75dd9d1657ad54380973a0c1fbacdb3f8018e9833ea7ba032a0880f2c3966072171a637

  • C:\Users\Admin\AppData\Local\Temp\Cab3B1F.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar3B41.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\MSI57E6.tmp

    Filesize

    122KB

    MD5

    9fe9b0ecaea0324ad99036a91db03ebb

    SHA1

    144068c64ec06fc08eadfcca0a014a44b95bb908

    SHA256

    e2cce64916e405976a1d0c522b44527d12b1cba19de25da62121cf5f41d184c9

    SHA512

    906641a73d69a841218ae90b83714a05af3537eec8ad1d761f58ac365cf005bdd74ad88f71c4437aaa126ac74fa46bcad424d17c746ab197eec2caa1bd838176

  • \Windows\Installer\MSI5884.tmp

    Filesize

    211KB

    MD5

    a3ae5d86ecf38db9427359ea37a5f646

    SHA1

    eb4cb5ff520717038adadcc5e1ef8f7c24b27a90

    SHA256

    c8d190d5be1efd2d52f72a72ae9dfa3940ab3faceb626405959349654fe18b74

    SHA512

    96ecb3bc00848eeb2836e289ef7b7b2607d30790ffd1ae0e0acfc2e14f26a991c6e728b8dc67280426e478c70231f9e13f514e52c8ce7d956c1fad0e322d98e0

  • memory/2324-0-0x000000007421E000-0x000000007421F000-memory.dmp

    Filesize

    4KB

  • memory/2324-1-0x00000000001A0000-0x000000000026E000-memory.dmp

    Filesize

    824KB

  • memory/2324-2-0x0000000074210000-0x00000000748FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2324-92-0x0000000074210000-0x00000000748FE000-memory.dmp

    Filesize

    6.9MB