Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    09/06/2026, 00:59

General

  • Target
    tmp0mi28a04.msi
  • Size 3.7MB
  • Sample260609-bcat9sh19w
  • SHA256 31dd6d070a65a648b2be9ea2edc9efca26762c3875a8dde2d018eb064bc41e32
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • bumblebee

Botnet
  • grp0003

Attributes
  • dga

    19ak90ckxyjxc.life

    o2u1xbm9xoq4p.life

    9b10t4vyvx6b5.life

    9nl2a1qma4swd.life

    gc9fctjq62t2e.life

    apsgw881ol7rs.life

    rmqa3jodwcmgd.life

    85ur7zivhczam.life

    evzftxl2qjfj4.life

    cp2br7osw928r.life

    lhunevjdxw5kz.life

    jbrprj8im7aia.life

    rdg0u5n7237r5.life

    xwn7sukhzhbqv.life

    8vh7uizstjhnb.life

    u8karkeeu2qtj.life

    j34duklow92k3.life

    8sg769rvpe1lp.life

    inkja7hekgcuv.life

    r4a4n001s7uhi.life

    r976ptnxbh52l.life

    tv9jc206cpnyd.life

    xf30997j6tp8z.life

    nl2jkkuqs8efp.life

    5395dg0j4h79n.life

    v30ty639krk3p.life

    oknzqkp6ph302.life

    rlq13ng659buz.life

    ey9n44bwtmjaw.life

    trtiqjiry7k05.life

  • dga_seed

    7941704092191845612

  • domain_length

    13

  • num_dga_domains

    300

  • port

    443

  • tld

    .life

rc4.plain

Signatures

  • Family: BumbleBee

    BumbleBee is a loader malware written in C++.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Badlisted process makes network request 6 IoCs

    Network request originating from process or tool commonly abused by malware.

  • 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 12 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Modifies data under HKEY_USERS 15 IoCs
  • Modifies registry class 20 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 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\tmp0mi28a04.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3180
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1532
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4936
      • C:\Users\Admin\AppData\Local\Temp\ApplicationInstallationFolder_11\icardagt.exe
        "C:\Users\Admin\AppData\Local\Temp\ApplicationInstallationFolder_11\icardagt.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:4048
      • C:\Users\Admin\AppData\Local\Temp\ApplicationInstallationFolder_11\WinMTR.exe
        "C:\Users\Admin\AppData\Local\Temp\ApplicationInstallationFolder_11\WinMTR.exe"
        2⤵
        • Executes dropped EXE
        • Modifies data under HKEY_USERS
        • Suspicious use of SetWindowsHookEx
        PID:436
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:3268

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e58b5a0.rbs

          • Path C:\Config.Msi\e58b5a0.rbs
          • Size 7KB
          • SHA256 1ea6e0bfc7c21a66cf6b356194877b99a2e38a37a85540180a27de71802e2f11
          • MD5 SHA1 SHA512 SSDEEP TLSH

          9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E
          • Size 1KB
          • SHA256 0e463db8726b9ec19b1770d5790ea4727af39c85b4d951f56b7cb00b639816d9
          • MD5 SHA1 SHA512 TLSH

          A90AB99B5CC057007BC33B2303FE2710

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\A90AB99B5CC057007BC33B2303FE2710
          • Size 36KB
          • SHA256 d9d5cd1b0409f032f30ffbae8f5fe1c0b317aa89e389dcd87857f80a388bc5dc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E
          • Size 536B
          • SHA256 beaecbbd42913678db48b5784a80a5c15d8ec5de764f3ccaad7c23d9c05f05b7
          • MD5 SHA1 SHA512 TLSH

          A90AB99B5CC057007BC33B2303FE2710

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\A90AB99B5CC057007BC33B2303FE2710
          • Size 226B
          • SHA256 0c904af9c2b20f47c7ba61304707c795965ac115df04d038d057f108cefbdd00
          • MD5 SHA1 SHA512 TLSH

          WinMTR.exe

          • Path C:\Users\Admin\AppData\Local\Temp\ApplicationInstallationFolder_11\WinMTR.exe
          • Size 2.3MB
          • SHA256 9ad74a0f18ce39a0d92a9dabc6ef7ebb2aebf1471ed868f14e183faf0123eb87
          • MD5 SHA1 SHA512 SSDEEP TLSH

          icardagt.exe

          • Path C:\Users\Admin\AppData\Local\Temp\ApplicationInstallationFolder_11\icardagt.exe
          • Size 1.3MB
          • SHA256 473d17e571d6947ce93103454f1e9fe27136403125152b97acb6cad5cc2a9ac7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          version.dll

          • Path C:\Users\Admin\AppData\Local\Temp\ApplicationInstallationFolder_11\version.dll
          • Size 3.4MB
          • SHA256 96480ef5ccfa8fcb0646538c440103d97ab741ed83f4c2bcb7b4717569f88770
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e58b59f.msi

          • Path C:\Windows\Installer\e58b59f.msi
          • Size 3.7MB
          • SHA256 31dd6d070a65a648b2be9ea2edc9efca26762c3875a8dde2d018eb064bc41e32
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.6MB
          • SHA256 5d5288b58a6122d75b7ca49524a9f25dffb523e2c18ee89ebd6d0bd1e1e8c3d8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {3abaf490-5b57-4afb-9b24-f412b59e4f92}_OnDiskSnapshotProp

          • Path \??\Volume{681e74ae-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{3abaf490-5b57-4afb-9b24-f412b59e4f92}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 78d0d602f176310893363ae36b843b60153a970f806825468846a4c8cdc070fd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1532-50-0x0000028712660000-0x0000028713122000-memory.dmp

          memory/4048-46-0x0000000002D10000-0x00000000034BE000-memory.dmp

          memory/4048-53-0x0000000002D10000-0x00000000034BE000-memory.dmp

          memory/4048-57-0x0000000002D10000-0x00000000034BE000-memory.dmp