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Resubmissions

24/12/2024, 04:30

241224-e5bh2s1ngs 8

24/12/2024, 04:24

241224-e1k7pa1ndw 8

24/12/2024, 04:20

241224-eycsja1nbv 8

Analysis

  • max time kernel
    106s
  • max time network
    98s
  • 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, 04:24

General

  • Target

    Bootstrapper (2).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).

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bootstrapper (2).exe
    "C:\Users\Admin\AppData\Local\Temp\Bootstrapper (2).exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:684
    • C:\Windows\SYSTEM32\cmd.exe
      "cmd" /c ipconfig /all
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4752
      • C:\Windows\system32\ipconfig.exe
        ipconfig /all
        3⤵
        • Gathers network information
        PID:4388
    • 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 (2).exe" --isUpdate true
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2052
      • C:\ProgramData\Solara\Solara.exe
        "C:\ProgramData\Solara\Solara.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2088
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4516

    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/684-0-0x00007FF8470A3000-0x00007FF8470A5000-memory.dmp

      Filesize

      8KB

    • memory/684-1-0x000001EF6BEC0000-0x000001EF6BF8E000-memory.dmp

      Filesize

      824KB

    • memory/684-2-0x00007FF8470A3000-0x00007FF8470A5000-memory.dmp

      Filesize

      8KB

    • memory/684-3-0x00007FF8470A0000-0x00007FF847B61000-memory.dmp

      Filesize

      10.8MB

    • memory/684-5-0x000001EF6E500000-0x000001EF6E522000-memory.dmp

      Filesize

      136KB

    • memory/684-19-0x00007FF8470A0000-0x00007FF847B61000-memory.dmp

      Filesize

      10.8MB

    • memory/2052-30-0x0000023D20F10000-0x0000023D20F26000-memory.dmp

      Filesize

      88KB

    • memory/2052-36-0x00007FF8470A0000-0x00007FF847B61000-memory.dmp

      Filesize

      10.8MB

    • memory/2052-24-0x0000023D20780000-0x0000023D207B8000-memory.dmp

      Filesize

      224KB

    • memory/2052-25-0x0000023D20750000-0x0000023D2075E000-memory.dmp

      Filesize

      56KB

    • memory/2052-26-0x0000023D20E10000-0x0000023D20F10000-memory.dmp

      Filesize

      1024KB

    • memory/2052-27-0x0000023D20760000-0x0000023D2076A000-memory.dmp

      Filesize

      40KB

    • memory/2052-28-0x0000023D207C0000-0x0000023D207E8000-memory.dmp

      Filesize

      160KB

    • memory/2052-29-0x0000023D20800000-0x0000023D20808000-memory.dmp

      Filesize

      32KB

    • memory/2052-22-0x0000023D02810000-0x0000023D02820000-memory.dmp

      Filesize

      64KB

    • memory/2052-31-0x0000023D207F0000-0x0000023D207FA000-memory.dmp

      Filesize

      40KB

    • memory/2052-32-0x0000023D20770000-0x0000023D2077A000-memory.dmp

      Filesize

      40KB

    • memory/2052-33-0x0000023D20F40000-0x0000023D20F48000-memory.dmp

      Filesize

      32KB

    • memory/2052-35-0x00007FF8470A0000-0x00007FF847B61000-memory.dmp

      Filesize

      10.8MB

    • memory/2052-23-0x0000023D20700000-0x0000023D20708000-memory.dmp

      Filesize

      32KB

    • memory/2052-37-0x0000023D6DC90000-0x0000023D6DD42000-memory.dmp

      Filesize

      712KB

    • memory/2052-39-0x0000023D6DE80000-0x0000023D6DE9E000-memory.dmp

      Filesize

      120KB

    • memory/2052-40-0x0000023D6DEA0000-0x0000023D6DEAA000-memory.dmp

      Filesize

      40KB

    • memory/2052-42-0x0000023D6DF10000-0x0000023D6DF22000-memory.dmp

      Filesize

      72KB

    • memory/2052-21-0x00007FF8470A0000-0x00007FF847B61000-memory.dmp

      Filesize

      10.8MB

    • memory/2052-465-0x00007FF8470A0000-0x00007FF847B61000-memory.dmp

      Filesize

      10.8MB

    • memory/2052-20-0x0000023D02160000-0x0000023D0243A000-memory.dmp

      Filesize

      2.9MB

    • memory/2052-18-0x00007FF8470A0000-0x00007FF847B61000-memory.dmp

      Filesize

      10.8MB

    • memory/2088-461-0x0000027357480000-0x000002735753A000-memory.dmp

      Filesize

      744KB

    • memory/2088-460-0x0000027357710000-0x0000027357C4C000-memory.dmp

      Filesize

      5.2MB

    • memory/2088-463-0x0000027357540000-0x00000273575F2000-memory.dmp

      Filesize

      712KB

    • memory/2088-458-0x000002733CD30000-0x000002733CD54000-memory.dmp

      Filesize

      144KB