Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    22/05/2026, 13:26

General

  • Target
    tmp3v300jh1.exe
  • Size 6.1MB
  • Sample260522-qpg7faex9s
  • SHA256 4203f929fe8fab1c990e027216ef732955cc4fbfe598e9dc02dbf61fefd2e579
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • bumblebee

Botnet
  • onkomsi2

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_string

    anjd78ka

  • domain_length

    8

  • num_dga_domains

    100

  • port

    443

  • tld

    .life

rc4.plain

Signatures

  • Family: BumbleBee

    BumbleBee is a loader malware written in C++.

  • Loads dropped DLL 11 IoCs
  • Badlisted process makes network request 9 IoCs

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

  • Enumerates connected drives 3 TTPs 64 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 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 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp3v300jh1.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp3v300jh1.exe"
    1⤵
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4332
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\system32\msiexec.exe" /i "C:\Users\Admin\AppData\Roaming\security update\security update 1.5.2.3\install\A6B488A\security update.msi" AI_SETUPEXEPATH=C:\Users\Admin\AppData\Local\Temp\tmp3v300jh1.exe SETUPEXEDIR=C:\Users\Admin\AppData\Local\Temp\ EXE_CMD_LINE="/exenoupdates /forcecleanup /wintime 1779215715 " AI_EUIMSI=""
      2⤵
      • Badlisted process makes network request
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      PID:2400
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3860
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 3855EAE5911EA0FD168F70196EEC0C71 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:3948
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 4A5E79BBE64E6264DBA3717F51067376
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:1920
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 1BC5A90855147AD4CF959641312BF0D2
      2⤵
      • Loads dropped DLL
      • Badlisted process makes network request
      • Suspicious use of NtCreateThreadExHideFromDebugger
      PID:4596

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e584f18.rbs

        • Path C:\Config.Msi\e584f18.rbs
        • Size 1KB
        • SHA256 aeb9a698191ffd834761dab855e90e5d2797050aa71ae6a67d6c7bfb762b1b56
        • MD5 SHA1 SHA512 TLSH

        MSI4B2E.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\MSI4B2E.tmp
        • Size 721KB
        • SHA256 52f41817669af7ac55b1516894ee705245c3148f2997fa0e6617e9cc6353e41e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        security update.msi

        • Path C:\Users\Admin\AppData\Roaming\security update\security update 1.5.2.3\install\A6B488A\security update.msi
        • Size 7.8MB
        • SHA256 8ae7694001a73e0eebf0ea394396cd1aacc3a817e1e321da288e445f4feb1465
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI513C.tmp

        • Path C:\Windows\Installer\MSI513C.tmp
        • Size 2.1MB
        • SHA256 189046093d0018570c1d9a12ad4aca14d4ccd65fb63d228275fd7067c24d2ecd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI51F9.tmp

        • Path C:\Windows\Installer\MSI51F9.tmp
        • Size 838KB
        • SHA256 a8dfdc283ad8d4dc6f500ddfab564e79dadae075c0d54784b50e1ca548709b30
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4596-74-0x00000248E97B0000-0x00000248E99C8000-memory.dmp

        memory/4596-75-0x00000248E97B0000-0x00000248E99C8000-memory.dmp

        memory/4596-73-0x00000248E97B0000-0x00000248E99C8000-memory.dmp

        memory/4596-76-0x00000248E97B0000-0x00000248E99C8000-memory.dmp