Overview

overview

10

Static

static

8

tmp7u03cxz2.msi

windows10-ltsc_2021-x64

10

tmp7u03cxz2.msi

windows10-2004-x64

10

tmp7u03cxz2.msi

windows11-21h2-x64

10

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
    02/06/2026, 02:02

Sharing

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General

  • Target
    tmp7u03cxz2.msi
  • Size 10.1MB
  • Sample260602-cf6a1sbs7v
  • SHA256 a67bae3dd73789e892b5114a157d992424d367aae11c5fbaa80be639d6dec798
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
grp0002discoverybumblebeeloaderpersistenceprivilege_escalationransomware

Malware Config

Extracted

Family

  • bumblebee

Botnet

  • grp0002

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++.

    loaderbumblebee
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Badlisted process makes network request 4 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.

  • Drops file in Program Files directory 32 IoCs
  • Drops file in Windows directory 37 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
    persistenceprivilege_escalation
  • 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.

    discovery
  • 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 18 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • Uses Volume Shadow Copy service COM API

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

    ransomware

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\tmp7u03cxz2.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:5444
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • 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:564
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4968
      • C:\Windows\system32\msiexec.exe
        msiexec /i "C:\Users\Admin\AppData\Local\Temp\ApplicationInstallationFolder_11\RVTools4.7.1.msi"
        2⤵
        • Enumerates connected drives
        • Drops file in Windows directory
        • Suspicious use of FindShellTrayWindow
        PID:4020
      • 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:3224
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 5C8E473519DD2F7D8D2DC679973A9AA6 C
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        PID:2092
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding C4355A0FC7A99294A106906A9C96C343 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5572
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:1436

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e58f808.rbs
          • Path C:\Config.Msi\e58f808.rbs
          • Size 7KB
          • SHA256 f949b51040e02a0eab075897e535c0947f106e4dd3075d64395f65c136b32f11
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          e58f80b.rbs
          • Path C:\Config.Msi\e58f80b.rbs
          • Size 19KB
          • SHA256 bcfb9787776350ac24f0d5182d75ac7589866cd9505fdd385f715c7961e6e235
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          357F04AD41BCF5FE18FCB69F60C6680F_7A8E6053C039432B05DD2AF0372FA66F
          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\357F04AD41BCF5FE18FCB69F60C6680F_7A8E6053C039432B05DD2AF0372FA66F
          • Size 1KB
          • SHA256 4a6e8cf985a99176735d0dfc1b1ad0092e6c120f1337d2ed17769511afb51947
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E
          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E
          • Size 1KB
          • SHA256 b35260221236e2997429a3d05d79273d0e1944bd47e9e065b9e0b3d88c2b0ddd
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          357F04AD41BCF5FE18FCB69F60C6680F_7A8E6053C039432B05DD2AF0372FA66F
          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\357F04AD41BCF5FE18FCB69F60C6680F_7A8E6053C039432B05DD2AF0372FA66F
          • Size 536B
          • SHA256 f7a59677ecc0dcd64a67b939998b3f337f59c616c3710822728a9669ebfc0c8e
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E
          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E
          • Size 536B
          • SHA256 f214baa583fff48abf0410f3f947a763abb28fe0f3b1f9e70e1e52394f7af9f4
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          RVTools4.7.1.msi
          • Path C:\Users\Admin\AppData\Local\Temp\ApplicationInstallationFolder_11\RVTools4.7.1.msi
          • Size 8.0MB
          • SHA256 0506126bcbc4641d41c138e88d9ea9f10fb65f1eeab3bff90ad25330108b324c
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          VERSION.dll
          • Path C:\Users\Admin\AppData\Local\Temp\ApplicationInstallationFolder_11\VERSION.dll
          • Size 3.1MB
          • SHA256 261a54625b8613eef2e57d86bf0894687c865b98765c183992fd156ed725cff8
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

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

          e58f807.msi
          • Path C:\Windows\Installer\e58f807.msi
          • Size 10.1MB
          • SHA256 a67bae3dd73789e892b5114a157d992424d367aae11c5fbaa80be639d6dec798
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          MSIFB24.tmp
          • Path C:\Windows\SystemTemp\MSIFB24.tmp
          • Size 285KB
          • SHA256 f74c97b1a53541b059d3bfafe41a79005ce5065f8210d7de9f1b600dc4e28aa0
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          metadata-2
          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.6MB
          • SHA256 f31f8db8221028f9b2395d36659ef29994112f32d00e959ed1388503b0344c38
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          {2f3dffde-6e57-405f-b8e2-2cac84a9d1de}_OnDiskSnapshotProp
          • Path \??\Volume{a40cd035-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{2f3dffde-6e57-405f-b8e2-2cac84a9d1de}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 6147c211459315e9ac2745460c536393e9f76f01bc05740a1d114dcf2f3828cc
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/3224-48-0x0000000002EE0000-0x000000000368E000-memory.dmp
          Download

          memory/3224-54-0x0000000002EE0000-0x000000000368E000-memory.dmp
          Download

          memory/3224-117-0x0000000002EE0000-0x000000000368E000-memory.dmp
          Download