Analysis

  • max time kernel
    139s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2023, 14:45

General

  • Target
    6309e1.msi
  • Size 4.1MB
  • Sample231127-r4qmsshb67
  • SHA256 33a57eed92fa4acf1be788ce387d0f6f3804aab316d04bcfe8b43cccaf08bdbf
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • bumblebee

Botnet
  • test101234

Attributes
  • dga

    n64c2akw.life

    zefawfb0.life

    dph3pby8.life

    hx0hysyg.life

    1qa3k743.life

    luw8ubf2.life

    rbvsf6io.life

    4huoqrsp.life

    8qwcvseh.life

    37zi55wc.life

    i9f44mju.life

    aqnx9c9h.life

    3nmeg5wa.life

    r5ue5rok.life

    et53yjoc.life

    tvgco82h.life

    0xtmu3tz.life

    6xhpschv.life

    6o26tws0.life

    0oz7923s.life

    54y2q50j.life

    9hh7hq5r.life

    r0ca080m.life

    43vtghfz.life

    qal55els.life

    p5e68m36.life

    x698iah6.life

    kqn0zkig.life

    wq6w8jkq.life

    i6n08gx7.life

  • dga_seed

    anjd78ka

  • domain_length

    8

  • num_dga_domains

    100

  • port

    443

rc4.plain

Signatures

  • BumbleBee

    BumbleBee is a loader malware written in C++.

  • Loads dropped DLL 5 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.

  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Drops file in Windows directory 8 IoCs
  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 57 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\6309e1.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4312
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4636
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2204
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding F94DC99D4D39F28CED2429BC42F79E95
      2⤵
      • Loads dropped DLL
      PID:4640
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 8E0232315172FB1357092ABB2C796391
      2⤵
      • Loads dropped DLL
      • Blocklisted process makes network request
      • Suspicious use of NtCreateThreadExHideFromDebugger
      PID:4892
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:3840

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        MSI8BE0.tmp

        • Path C:\Windows\Installer\MSI8BE0.tmp
        • Size 721KB
        • SHA256 52f41817669af7ac55b1516894ee705245c3148f2997fa0e6617e9cc6353e41e
        • MD5 SHA1 SHA512 SSDEEP

        MSI8BE0.tmp

        • Path C:\Windows\Installer\MSI8BE0.tmp
        • Size 721KB
        • SHA256 52f41817669af7ac55b1516894ee705245c3148f2997fa0e6617e9cc6353e41e
        • MD5 SHA1 SHA512 SSDEEP

        MSI92D6.tmp

        • Path C:\Windows\Installer\MSI92D6.tmp
        • Size 721KB
        • SHA256 52f41817669af7ac55b1516894ee705245c3148f2997fa0e6617e9cc6353e41e
        • MD5 SHA1 SHA512 SSDEEP

        MSI92D6.tmp

        • Path C:\Windows\Installer\MSI92D6.tmp
        • Size 721KB
        • SHA256 52f41817669af7ac55b1516894ee705245c3148f2997fa0e6617e9cc6353e41e
        • MD5 SHA1 SHA512 SSDEEP

        MSI944E.tmp

        • Path C:\Windows\Installer\MSI944E.tmp
        • Size 721KB
        • SHA256 52f41817669af7ac55b1516894ee705245c3148f2997fa0e6617e9cc6353e41e
        • MD5 SHA1 SHA512 SSDEEP

        MSI944E.tmp

        • Path C:\Windows\Installer\MSI944E.tmp
        • Size 721KB
        • SHA256 52f41817669af7ac55b1516894ee705245c3148f2997fa0e6617e9cc6353e41e
        • MD5 SHA1 SHA512 SSDEEP

        MSI944E.tmp

        • Path C:\Windows\Installer\MSI944E.tmp
        • Size 721KB
        • SHA256 52f41817669af7ac55b1516894ee705245c3148f2997fa0e6617e9cc6353e41e
        • MD5 SHA1 SHA512 SSDEEP

        MSI94DB.tmp

        • Path C:\Windows\Installer\MSI94DB.tmp
        • Size 721KB
        • SHA256 52f41817669af7ac55b1516894ee705245c3148f2997fa0e6617e9cc6353e41e
        • MD5 SHA1 SHA512 SSDEEP

        MSI94DB.tmp

        • Path C:\Windows\Installer\MSI94DB.tmp
        • Size 721KB
        • SHA256 52f41817669af7ac55b1516894ee705245c3148f2997fa0e6617e9cc6353e41e
        • MD5 SHA1 SHA512 SSDEEP

        MSI9644.tmp

        • Path C:\Windows\Installer\MSI9644.tmp
        • Size 2.1MB
        • SHA256 353fda6e116118809b49dd3001ee532ddfacacaa40a43b951c9f1dd69c8e7491
        • MD5 SHA1 SHA512 SSDEEP

        MSI9644.tmp

        • Path C:\Windows\Installer\MSI9644.tmp
        • Size 2.1MB
        • SHA256 353fda6e116118809b49dd3001ee532ddfacacaa40a43b951c9f1dd69c8e7491
        • MD5 SHA1 SHA512 SSDEEP

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 23.0MB
        • SHA256 1bede9161568bc5bcb39e5810fecc93f875eb222bf284068384638b5fbafd906
        • MD5 SHA1 SHA512 SSDEEP

        {23c66889-5659-4ed0-8c44-7876a34b9946}_OnDiskSnapshotProp

        • Path \??\Volume{c2d04a06-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{23c66889-5659-4ed0-8c44-7876a34b9946}_OnDiskSnapshotProp
        • Size 5KB
        • SHA256 4602798aa105b88851de1807a906e8a63683da527d277914871854df3262a7ba
        • MD5 SHA1 SHA512 SSDEEP

        memory/4892-33-0x000002E204590000-0x000002E2047A8000-memory.dmp

        memory/4892-35-0x000002E204590000-0x000002E2047A8000-memory.dmp

        memory/4892-36-0x00007FFC7D5B0000-0x00007FFC7D7A5000-memory.dmp

        memory/4892-37-0x000002E204590000-0x000002E2047A8000-memory.dmp

        memory/4892-34-0x00007FFC7D5B0000-0x00007FFC7D7A5000-memory.dmp

        memory/4892-38-0x000002E204590000-0x000002E2047A8000-memory.dmp

        memory/4892-39-0x00007FFC7D5B0000-0x00007FFC7D7A5000-memory.dmp

        memory/4892-32-0x00007FFC7D5B0000-0x00007FFC7D7A5000-memory.dmp

        memory/4892-31-0x000002E204280000-0x000002E204367000-memory.dmp

        memory/4892-42-0x000002E204280000-0x000002E204367000-memory.dmp

        memory/4892-43-0x00007FFC7D5B0000-0x00007FFC7D7A5000-memory.dmp