Analysis

  • max time kernel
    27s
  • max time network
    24s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    03-12-2024 20:57

General

  • Target

    Bootstrapper.exe

  • Size

    800KB

  • MD5

    02c70d9d6696950c198db93b7f6a835e

  • SHA1

    30231a467a49cc37768eea0f55f4bea1cbfb48e2

  • SHA256

    8f2e28588f2303bd8d7a9b0c3ff6a9cb16fa93f8ddc9c5e0666a8c12d6880ee3

  • SHA512

    431d9b9918553bff4f4a5bc2a5e7b7015f8ad0e2d390bb4d5264d08983372424156524ef5587b24b67d1226856fc630aaca08edc8113097e0094501b4f08efeb

  • SSDEEP

    12288:qhd8cjaLXVh84wEFkW1mocaBj6WtiRPpptHxQ0z:2ycjar84w5W4ocaBj6y2tHDz

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 7 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 14 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 20 IoCs
  • Suspicious use of SendNotifyMessage 20 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe
    "C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4068
    • C:\Windows\SYSTEM32\cmd.exe
      "cmd" /c ipconfig /all
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4856
      • C:\Windows\system32\ipconfig.exe
        ipconfig /all
        3⤵
        • Gathers network information
        PID:4208
    • C:\Windows\SYSTEM32\cmd.exe
      "cmd" /c wmic nicconfig where (IPEnabled=TRUE) call SetDNSServerSearchOrder ("1.1.1.1", "1.0.0.1")
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3712
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic nicconfig where (IPEnabled=TRUE) call SetDNSServerSearchOrder ("1.1.1.1", "1.0.0.1")
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4956
    • C:\Windows\System32\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\node-v18.16.0-x64.msi" /qn
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1156
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4328
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 9E472DF485B563F1AE6B920B102356D7
      2⤵
      • Loads dropped DLL
      PID:3596
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding F9BE2FE815DAE1D6D5B4B1828D46CA1E
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2424
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\nodejs\node_modules\npm\node_modules\nopt\LICENSE

    Filesize

    780B

    MD5

    b020de8f88eacc104c21d6e6cacc636d

    SHA1

    20b35e641e3a5ea25f012e13d69fab37e3d68d6b

    SHA256

    3f24d692d165989cd9a00fe35ca15a2bc6859e3361fa42aa20babd435f2e4706

    SHA512

    4220617e29dd755ad592295bc074d6bc14d44a1feeed5101129669f3ecf0e34eaa4c7c96bbc83da7352631fa262baab45d4a370dad7dabec52b66f1720c28e38

  • 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\MSI9B94.tmp

    Filesize

    122KB

    MD5

    9fe9b0ecaea0324ad99036a91db03ebb

    SHA1

    144068c64ec06fc08eadfcca0a014a44b95bb908

    SHA256

    e2cce64916e405976a1d0c522b44527d12b1cba19de25da62121cf5f41d184c9

    SHA512

    906641a73d69a841218ae90b83714a05af3537eec8ad1d761f58ac365cf005bdd74ad88f71c4437aaa126ac74fa46bcad424d17c746ab197eec2caa1bd838176

  • C:\Windows\Installer\MSI9BE4.tmp

    Filesize

    211KB

    MD5

    a3ae5d86ecf38db9427359ea37a5f646

    SHA1

    eb4cb5ff520717038adadcc5e1ef8f7c24b27a90

    SHA256

    c8d190d5be1efd2d52f72a72ae9dfa3940ab3faceb626405959349654fe18b74

    SHA512

    96ecb3bc00848eeb2836e289ef7b7b2607d30790ffd1ae0e0acfc2e14f26a991c6e728b8dc67280426e478c70231f9e13f514e52c8ce7d956c1fad0e322d98e0

  • C:\Windows\Installer\MSIAAAB.tmp

    Filesize

    297KB

    MD5

    7a86ce1a899262dd3c1df656bff3fb2c

    SHA1

    33dcbe66c0dc0a16bab852ed0a6ef71c2d9e0541

    SHA256

    b8f2d0909d7c2934285a8be010d37c0609c7854a36562cbfcbce547f4f4c7b0c

    SHA512

    421e8195c47381de4b3125ab6719eec9be7acd2c97ce9247f4b70a309d32377917c9686b245864e914448fe53df2694d5ee5f327838d029989ba7acafda302ec

  • memory/1224-59-0x00000258EEC50000-0x00000258EEC51000-memory.dmp

    Filesize

    4KB

  • memory/1224-58-0x00000258EEC50000-0x00000258EEC51000-memory.dmp

    Filesize

    4KB

  • memory/1224-55-0x00000258EEC50000-0x00000258EEC51000-memory.dmp

    Filesize

    4KB

  • memory/1224-56-0x00000258EEC50000-0x00000258EEC51000-memory.dmp

    Filesize

    4KB

  • memory/1224-57-0x00000258EEC50000-0x00000258EEC51000-memory.dmp

    Filesize

    4KB

  • memory/1224-49-0x00000258EEC50000-0x00000258EEC51000-memory.dmp

    Filesize

    4KB

  • memory/1224-50-0x00000258EEC50000-0x00000258EEC51000-memory.dmp

    Filesize

    4KB

  • memory/1224-51-0x00000258EEC50000-0x00000258EEC51000-memory.dmp

    Filesize

    4KB

  • memory/1224-61-0x00000258EEC50000-0x00000258EEC51000-memory.dmp

    Filesize

    4KB

  • memory/1224-60-0x00000258EEC50000-0x00000258EEC51000-memory.dmp

    Filesize

    4KB

  • memory/4068-2-0x00007FFE55010000-0x00007FFE55AD2000-memory.dmp

    Filesize

    10.8MB

  • memory/4068-0-0x00007FFE55013000-0x00007FFE55015000-memory.dmp

    Filesize

    8KB

  • memory/4068-17-0x00007FFE55010000-0x00007FFE55AD2000-memory.dmp

    Filesize

    10.8MB

  • memory/4068-31-0x00007FFE55010000-0x00007FFE55AD2000-memory.dmp

    Filesize

    10.8MB

  • memory/4068-4-0x0000025BD9100000-0x0000025BD9122000-memory.dmp

    Filesize

    136KB

  • memory/4068-1-0x0000025BBEBE0000-0x0000025BBECAE000-memory.dmp

    Filesize

    824KB