Analysis

  • max time kernel
    42s
  • max time network
    35s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-12-2024 04:58

General

  • Target

    Bootstrapper.exe

  • Size

    800KB

  • MD5

    02c70d9d6696950c198db93b7f6a835e

  • SHA1

    30231a467a49cc37768eea0f55f4bea1cbfb48e2

  • SHA256

    8f2e28588f2303bd8d7a9b0c3ff6a9cb16fa93f8ddc9c5e0666a8c12d6880ee3

  • SHA512

    431d9b9918553bff4f4a5bc2a5e7b7015f8ad0e2d390bb4d5264d08983372424156524ef5587b24b67d1226856fc630aaca08edc8113097e0094501b4f08efeb

  • SSDEEP

    12288:qhd8cjaLXVh84wEFkW1mocaBj6WtiRPpptHxQ0z:2ycjar84w5W4ocaBj6y2tHDz

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor 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 8 IoCs
  • Suspicious use of FindShellTrayWindow 41 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe
    "C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1620
    • C:\Windows\SYSTEM32\cmd.exe
      "cmd" /c ipconfig /all
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4496
      • C:\Windows\system32\ipconfig.exe
        ipconfig /all
        3⤵
        • Gathers network information
        PID:508
    • C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.04.exe
      "C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.04.exe" --oldBootstrapper "C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe" --isUpdate true
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1700
      • C:\ProgramData\Solara\Solara.exe
        "C:\ProgramData\Solara\Solara.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1460
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4968
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3056

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\Solara\Newtonsoft.Json.dll

      Filesize

      695KB

      MD5

      195ffb7167db3219b217c4fd439eedd6

      SHA1

      1e76e6099570ede620b76ed47cf8d03a936d49f8

      SHA256

      e1e27af7b07eeedf5ce71a9255f0422816a6fc5849a483c6714e1b472044fa9d

      SHA512

      56eb7f070929b239642dab729537dde2c2287bdb852ad9e80b5358c74b14bc2b2dded910d0e3b6304ea27eb587e5f19db0a92e1cbae6a70fb20b4ef05057e4ac

    • C:\ProgramData\Solara\Solara.exe

      Filesize

      133KB

      MD5

      c6f770cbb24248537558c1f06f7ff855

      SHA1

      fdc2aaae292c32a58ea4d9974a31ece26628fdd7

      SHA256

      d1e4a542fa75f6a6fb636b5de6f7616e2827a79556d3d9a4afc3ecb47f0beb2b

      SHA512

      cac56c58bd01341ec3ff102fe04fdb66625baad1d3dd7127907cd8453d2c6e2226ad41033e16ba20413a509fc7c826e4fdc0c0d553175eb6f164c2fc0906614a

    • C:\ProgramData\Solara\Wpf.Ui.dll

      Filesize

      5.2MB

      MD5

      aead90ab96e2853f59be27c4ec1e4853

      SHA1

      43cdedde26488d3209e17efff9a51e1f944eb35f

      SHA256

      46cfbe804b29c500ebc0b39372e64c4c8b4f7a8e9b220b5f26a9adf42fcb2aed

      SHA512

      f5044f2ee63906287460b9adabfcf3c93c60b51c86549e33474c4d7f81c4f86cd03cd611df94de31804c53006977874b8deb67c4bf9ea1c2b70c459b3a44b38d

    • C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.04.exe

      Filesize

      2.8MB

      MD5

      be4da425d9b7593e358ffbfca29f9c70

      SHA1

      dc98530aad9728d779866ae957a738c52b13a565

      SHA256

      c5277ddb6e51181d2b8bad59acf5f2badf5613b1e73384a84b793f720aa76c0d

      SHA512

      35790944f5855038f8357c0f6d11ea81b260632e590c26f9342e8beb1a8dfd2e3eb9efa11f8378f8542cad45e7675af3d29cf27424accf35aaa6aeb34487155b

    • memory/1460-461-0x000002B2D5A50000-0x000002B2D5B0A000-memory.dmp

      Filesize

      744KB

    • memory/1460-463-0x000002B2D5B10000-0x000002B2D5BC2000-memory.dmp

      Filesize

      712KB

    • memory/1460-460-0x000002B2D5DE0000-0x000002B2D631C000-memory.dmp

      Filesize

      5.2MB

    • memory/1460-458-0x000002B2BB2F0000-0x000002B2BB314000-memory.dmp

      Filesize

      144KB

    • memory/1620-17-0x00007FFFF8853000-0x00007FFFF8855000-memory.dmp

      Filesize

      8KB

    • memory/1620-19-0x00007FFFF8850000-0x00007FFFF9311000-memory.dmp

      Filesize

      10.8MB

    • memory/1620-4-0x0000022E3B590000-0x0000022E3B5B2000-memory.dmp

      Filesize

      136KB

    • memory/1620-2-0x00007FFFF8850000-0x00007FFFF9311000-memory.dmp

      Filesize

      10.8MB

    • memory/1620-1-0x0000022E1ECE0000-0x0000022E1EDAE000-memory.dmp

      Filesize

      824KB

    • memory/1620-0-0x00007FFFF8853000-0x00007FFFF8855000-memory.dmp

      Filesize

      8KB

    • memory/1700-23-0x0000023458B10000-0x0000023458B18000-memory.dmp

      Filesize

      32KB

    • memory/1700-25-0x000002345C800000-0x000002345C80E000-memory.dmp

      Filesize

      56KB

    • memory/1700-28-0x000002345C870000-0x000002345C898000-memory.dmp

      Filesize

      160KB

    • memory/1700-29-0x000002345C8B0000-0x000002345C8B8000-memory.dmp

      Filesize

      32KB

    • memory/1700-30-0x000002345CFC0000-0x000002345CFD6000-memory.dmp

      Filesize

      88KB

    • memory/1700-31-0x000002345C8A0000-0x000002345C8AA000-memory.dmp

      Filesize

      40KB

    • memory/1700-32-0x000002345C820000-0x000002345C82A000-memory.dmp

      Filesize

      40KB

    • memory/1700-33-0x000002345CFF0000-0x000002345CFF8000-memory.dmp

      Filesize

      32KB

    • memory/1700-35-0x00007FFFF8850000-0x00007FFFF9311000-memory.dmp

      Filesize

      10.8MB

    • memory/1700-36-0x00007FFFF8850000-0x00007FFFF9311000-memory.dmp

      Filesize

      10.8MB

    • memory/1700-37-0x000002341BB40000-0x000002341BBF2000-memory.dmp

      Filesize

      712KB

    • memory/1700-39-0x000002341BA40000-0x000002341BA5E000-memory.dmp

      Filesize

      120KB

    • memory/1700-40-0x000002345D100000-0x000002345D10A000-memory.dmp

      Filesize

      40KB

    • memory/1700-42-0x0000023458D50000-0x0000023458D62000-memory.dmp

      Filesize

      72KB

    • memory/1700-26-0x000002345CEC0000-0x000002345CFC0000-memory.dmp

      Filesize

      1024KB

    • memory/1700-27-0x000002345C810000-0x000002345C81A000-memory.dmp

      Filesize

      40KB

    • memory/1700-24-0x000002345C830000-0x000002345C868000-memory.dmp

      Filesize

      224KB

    • memory/1700-22-0x000002343E980000-0x000002343E990000-memory.dmp

      Filesize

      64KB

    • memory/1700-21-0x00007FFFF8850000-0x00007FFFF9311000-memory.dmp

      Filesize

      10.8MB

    • memory/1700-20-0x000002343E210000-0x000002343E4EA000-memory.dmp

      Filesize

      2.9MB

    • memory/1700-18-0x00007FFFF8850000-0x00007FFFF9311000-memory.dmp

      Filesize

      10.8MB

    • memory/1700-478-0x00007FFFF8850000-0x00007FFFF9311000-memory.dmp

      Filesize

      10.8MB

    • memory/4968-465-0x000002A3D0650000-0x000002A3D0651000-memory.dmp

      Filesize

      4KB

    • memory/4968-466-0x000002A3D0650000-0x000002A3D0651000-memory.dmp

      Filesize

      4KB

    • memory/4968-470-0x000002A3D0650000-0x000002A3D0651000-memory.dmp

      Filesize

      4KB

    • memory/4968-476-0x000002A3D0650000-0x000002A3D0651000-memory.dmp

      Filesize

      4KB

    • memory/4968-475-0x000002A3D0650000-0x000002A3D0651000-memory.dmp

      Filesize

      4KB

    • memory/4968-474-0x000002A3D0650000-0x000002A3D0651000-memory.dmp

      Filesize

      4KB

    • memory/4968-473-0x000002A3D0650000-0x000002A3D0651000-memory.dmp

      Filesize

      4KB

    • memory/4968-472-0x000002A3D0650000-0x000002A3D0651000-memory.dmp

      Filesize

      4KB

    • memory/4968-471-0x000002A3D0650000-0x000002A3D0651000-memory.dmp

      Filesize

      4KB

    • memory/4968-464-0x000002A3D0650000-0x000002A3D0651000-memory.dmp

      Filesize

      4KB