Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    09/06/2026, 01:03

General

  • Target
    tmpk4_lhtc1.msi
  • Size 8.9MB
  • Sample260609-bepffaas3s
  • SHA256 29e1bc115d78c7e98e6dbc3577d24a75effda6d25f191cf32503f65922e3c281
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • bumblebee

Botnet
  • grp005

Attributes
  • dga

    ev2sirbd269o5j.org

    ijt0l3i8brit6q.org

    ewujsfb1dp5ran.org

    8doj8uvx604eck.org

    kwywztxoo2xdot.org

    2rxyt9urhq0bgj.org

    ky1d1p1daahe5t.org

    ovh1kn1tcqw5kp.org

    6cimu4mc085em8.org

    5ka8rxp6t6eup2.org

    ks50ioz9nm3v05.org

    v5rjsdqogstopr.org

    epnl524h4k03mu.org

    hpzmehtnkk4q22.org

    ygvmhd7ll9v2nu.org

    oovlcxvht9kupu.org

    1074slp8zafyz3.org

    vfwlzltibeg7ne.org

    wp67lr8ysypurn.org

    1ge03xy5vtwn5s.org

    958xz3300iu8oe.org

    dlbqduy9gjprko.org

    tycl4o5dep10cd.org

    ui9bex45gw70az.org

    trj1qy559ygvx3.org

    w823niq7veztr9.org

    01t05hb4armbco.org

    igl71zhw25qw3d.org

    j8ku0xu0dqduxr.org

    jy3y61q6hyhf4c.org

  • dga_seed

    4792266342353752649

  • domain_length

    14

  • num_dga_domains

    300

  • port

    443

  • tld

    .org

rc4.plain

Signatures

  • Family: BumbleBee

    BumbleBee is a loader malware written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Badlisted process makes network request 3 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 8 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Inno Setup is an open-source installation builder for Windows applications. 3 IoCs

    Inno Setup installer

  • 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 10 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 WriteProcessMemory 4 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\tmpk4_lhtc1.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4316
  • 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:2640
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4864
      • C:\Users\Admin\AppData\Local\Temp\ApplicationInstallationFolder_11\consent.exe
        "C:\Users\Admin\AppData\Local\Temp\ApplicationInstallationFolder_11\consent.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1288
      • C:\Users\Admin\AppData\Local\Temp\ApplicationInstallationFolder_11\netsetman_setup_540.exe
        "C:\Users\Admin\AppData\Local\Temp\ApplicationInstallationFolder_11\netsetman_setup_540.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1104
        • C:\Users\Admin\AppData\Local\Temp\is-O7JDT.tmp\netsetman_setup_540.tmp
          "C:\Users\Admin\AppData\Local\Temp\is-O7JDT.tmp\netsetman_setup_540.tmp" /SL5="$150176,6576345,833536,C:\Users\Admin\AppData\Local\Temp\ApplicationInstallationFolder_11\netsetman_setup_540.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Modifies data under HKEY_USERS
          PID:2708
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:4336

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e58ad72.rbs

          • Path C:\Config.Msi\e58ad72.rbs
          • Size 7KB
          • SHA256 a0a63a71b8dab05e7e7f7b3170ac3c3124bb61b7438b24bec779ba4864434741
          • MD5 SHA1 SHA512 SSDEEP TLSH

          357F04AD41BCF5FE18FCB69F60C6680F_600B4ACE67EC2EA0B24B2E65E16AE631

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\357F04AD41BCF5FE18FCB69F60C6680F_600B4ACE67EC2EA0B24B2E65E16AE631
          • Size 1KB
          • SHA256 946cd6a6f6ce9282ca1b4698fe910ad918a06a044d1ac01e1bc256e255ac1cd7
          • MD5 SHA1 SHA512 TLSH

          9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E

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

          357F04AD41BCF5FE18FCB69F60C6680F_600B4ACE67EC2EA0B24B2E65E16AE631

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\357F04AD41BCF5FE18FCB69F60C6680F_600B4ACE67EC2EA0B24B2E65E16AE631
          • Size 536B
          • SHA256 3b9837f5de31162ad1815ee77179e68b796204c3412f1039f0f857ef2d6a7189
          • MD5 SHA1 SHA512 TLSH

          9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E
          • Size 536B
          • SHA256 c3075e808d3e304f2f104c6158d899be6b515959d0b77902d811947de8989646
          • MD5 SHA1 SHA512 TLSH

          consent.exe

          • Path C:\Users\Admin\AppData\Local\Temp\ApplicationInstallationFolder_11\consent.exe
          • Size 109KB
          • SHA256 ccad775decb5aec98118b381eeccc6d540928035cfb955abcb4ad3ded390b79b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          msimg32.dll

          • Path C:\Users\Admin\AppData\Local\Temp\ApplicationInstallationFolder_11\msimg32.dll
          • Size 2.8MB
          • SHA256 6ba5d96e52734cbb9246bcc3decf127f780d48fa11587a1a44880c1f04404d23
          • MD5 SHA1 SHA512 SSDEEP TLSH

          netsetman_setup_540.exe

          • Path C:\Users\Admin\AppData\Local\Temp\ApplicationInstallationFolder_11\netsetman_setup_540.exe
          • Size 7.4MB
          • SHA256 b5bee6671ad69c41351474510a52e55ba065fcfd2b4909719b9e69bc705f71f1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          netsetman_setup_540.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\is-O7JDT.tmp\netsetman_setup_540.tmp
          • Size 3.0MB
          • SHA256 0db00e5003898530aa4db13df01637cf39844eb90c4ca2c564b5d92994d63eb4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e58ad71.msi

          • Path C:\Windows\Installer\e58ad71.msi
          • Size 8.9MB
          • SHA256 29e1bc115d78c7e98e6dbc3577d24a75effda6d25f191cf32503f65922e3c281
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 4e21220ee8cd4f6245b92fb767e0bcb0afe515f053f5e5f5f025a86d8fe81e7a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {4704621b-0c7b-4bed-87c1-6336430075a0}_OnDiskSnapshotProp

          • Path \??\Volume{73216430-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{4704621b-0c7b-4bed-87c1-6336430075a0}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 eb36acfa99b8bd9bd732bbf81ca9ec0ac552d60e688c47eb9fcda73cbff24eec
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1104-54-0x0000000000400000-0x00000000004D9000-memory.dmp

          memory/1104-40-0x0000000000400000-0x00000000004D9000-memory.dmp

          memory/1288-46-0x0000000003110000-0x000000000384F000-memory.dmp

          memory/1288-53-0x0000000003110000-0x000000000384F000-memory.dmp

          memory/2708-73-0x0000000000400000-0x000000000070D000-memory.dmp

          memory/2708-58-0x0000000000400000-0x000000000070D000-memory.dmp

          memory/2708-61-0x0000000000400000-0x000000000070D000-memory.dmp

          memory/2708-64-0x0000000000400000-0x000000000070D000-memory.dmp

          memory/2708-70-0x0000000000400000-0x000000000070D000-memory.dmp

          memory/2708-55-0x0000000000400000-0x000000000070D000-memory.dmp

          memory/2708-76-0x0000000000400000-0x000000000070D000-memory.dmp

          memory/2708-79-0x0000000000400000-0x000000000070D000-memory.dmp

          memory/2708-82-0x0000000000400000-0x000000000070D000-memory.dmp

          memory/2708-85-0x0000000000400000-0x000000000070D000-memory.dmp

          memory/2708-88-0x0000000000400000-0x000000000070D000-memory.dmp

          memory/2708-91-0x0000000000400000-0x000000000070D000-memory.dmp

          memory/2708-94-0x0000000000400000-0x000000000070D000-memory.dmp