Analysis

  • max time kernel
    298s
  • max time network
    303s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2023 22:21

General

  • Target

    4203f929fe8fab1c990e027216ef732955cc4fbfe598e9dc02dbf61fefd2e579.exe

  • Size

    6.1MB

  • MD5

    4a657cf9c1289e3df987268e32961a66

  • SHA1

    77167ba7c7adb768ba4a1a0d561a8828e73f5035

  • SHA256

    4203f929fe8fab1c990e027216ef732955cc4fbfe598e9dc02dbf61fefd2e579

  • SHA512

    3515c161728c0294b822cfb8a313d85dfb9305e6283f533d20b61894468129012991bec1709e001a8067660668aa6c3a2894273a8f251c3cc15cc0d548a88976

  • SSDEEP

    98304:QAs++BUHecpbpx+sborjZGS/maM8jwsWjMZd3CuwQ3dm0vZ0QgKuEf:QAKBx4px+sNgHW4H3CkZqEf

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

    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 7 IoCs
  • Blocklisted process makes network request 4 IoCs
  • 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 11 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4203f929fe8fab1c990e027216ef732955cc4fbfe598e9dc02dbf61fefd2e579.exe
    "C:\Users\Admin\AppData\Local\Temp\4203f929fe8fab1c990e027216ef732955cc4fbfe598e9dc02dbf61fefd2e579.exe"
    1⤵
    • Enumerates connected drives
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2144
    • 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\4203f929fe8fab1c990e027216ef732955cc4fbfe598e9dc02dbf61fefd2e579.exe SETUPEXEDIR=C:\Users\Admin\AppData\Local\Temp\ EXE_CMD_LINE="/exenoupdates /forcecleanup /wintime 1700777931 " AI_EUIMSI=""
      2⤵
      • Blocklisted process makes network request
      • Enumerates connected drives
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      PID:1168
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2604
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding ADE15C8905F80FDB5F57DEC1C4DC0300 C
      2⤵
      • Loads dropped DLL
      PID:2576
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding DCA8B7F38CC7277618D4634286D97D6C
      2⤵
      • Loads dropped DLL
      PID:312
    • C:\Windows\system32\MsiExec.exe
      C:\Windows\system32\MsiExec.exe -Embedding 31245E12B20AB7F585D0D05E2480A4B2
      2⤵
      • Loads dropped DLL
      • Blocklisted process makes network request
      • Suspicious use of NtCreateThreadExHideFromDebugger
      PID:1688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Config.Msi\f7653b0.rbs

    Filesize

    1KB

    MD5

    e047f228d5e79ebdb8b6bb358e67975a

    SHA1

    4b38cfba2b417b7859f9a038dd475c61089d3f7f

    SHA256

    bf2e433c01df0e847ffc6aa832b8a488eb815dd4901c4a81e178aabe5ccfc0a8

    SHA512

    570a5b18a99ba00b4eb2696a454fa4590f51150006326f66970d6db50ad1aa0c05bf7de7bf6958077142fa3d9c0680fda9d87a7f2b99e364403c5e2f9a83c148

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    1bb68b98334cfb3e051b5c69cfece414

    SHA1

    95b4f4b9d5394649057bd9e5257d7ad052eb9ee4

    SHA256

    b7cdff1e4cf817b585ab1dbad7913a398d050810f6adaf725d9813265f9da36e

    SHA512

    29ca1a74aefed22b9b507b4c3ea8cf345dbcfcc95bac70d46aa0c95465fd170b21dc1c1a5ef0cc0b6c8b085e296e9d87f1ea6a98b11897651ba91a22df6a1a8e

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    b48c9ac84f35c585e68a0a09d511db65

    SHA1

    82215ccf4b09ef308c977911b317f43644b6db7c

    SHA256

    1efd6e9577fc01785c878b1924c2da07c49c2a91e4fdc719cce2460bf22f0664

    SHA512

    e505b7bdb4f467a26e845348cdef2a78cfd8fd0948774c9812498704a7840cea8f02e05198dfca850e6a004769d37b285f5e710fb13b8d6100ff326584aedc30

  • C:\Users\Admin\AppData\Local\Temp\Cab4971.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\MSI4CB4.tmp

    Filesize

    721KB

    MD5

    5a1f2196056c0a06b79a77ae981c7761

    SHA1

    a880ae54395658f129e24732800e207ecd0b5603

    SHA256

    52f41817669af7ac55b1516894ee705245c3148f2997fa0e6617e9cc6353e41e

    SHA512

    9afc180ebc10c0ee0d7306f4b7085608a4e69321044d474691587bf7e63f945888781a9fc5e69568d351ac690b0335214bd04bdf5c75fd8a3bd1ec4be5d3475a

  • C:\Users\Admin\AppData\Local\Temp\MSI4E5A.tmp

    Filesize

    721KB

    MD5

    5a1f2196056c0a06b79a77ae981c7761

    SHA1

    a880ae54395658f129e24732800e207ecd0b5603

    SHA256

    52f41817669af7ac55b1516894ee705245c3148f2997fa0e6617e9cc6353e41e

    SHA512

    9afc180ebc10c0ee0d7306f4b7085608a4e69321044d474691587bf7e63f945888781a9fc5e69568d351ac690b0335214bd04bdf5c75fd8a3bd1ec4be5d3475a

  • C:\Users\Admin\AppData\Local\Temp\Tar49A3.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • C:\Users\Admin\AppData\Roaming\security update\security update 1.5.2.3\install\A6B488A\security update.msi

    Filesize

    7.8MB

    MD5

    cbce77f88d5fd1df590d5172bbb83a2c

    SHA1

    65bd87e1c512e9cd60a3952e0712d0f67aa952e1

    SHA256

    8ae7694001a73e0eebf0ea394396cd1aacc3a817e1e321da288e445f4feb1465

    SHA512

    4d579a70782b99c4fb19398f9d7b430cbe5f9ee5b67dbf360f543fecd010aba373a43266b63b5e7bbe00f8636cdd7d9346806cdaffbaa02608c08310cd752ded

  • C:\Users\Admin\AppData\Roaming\security update\security update 1.5.2.3\install\A6B488A\security update.msi

    Filesize

    7.8MB

    MD5

    cbce77f88d5fd1df590d5172bbb83a2c

    SHA1

    65bd87e1c512e9cd60a3952e0712d0f67aa952e1

    SHA256

    8ae7694001a73e0eebf0ea394396cd1aacc3a817e1e321da288e445f4feb1465

    SHA512

    4d579a70782b99c4fb19398f9d7b430cbe5f9ee5b67dbf360f543fecd010aba373a43266b63b5e7bbe00f8636cdd7d9346806cdaffbaa02608c08310cd752ded

  • C:\Windows\Installer\MSI57F4.tmp

    Filesize

    721KB

    MD5

    5a1f2196056c0a06b79a77ae981c7761

    SHA1

    a880ae54395658f129e24732800e207ecd0b5603

    SHA256

    52f41817669af7ac55b1516894ee705245c3148f2997fa0e6617e9cc6353e41e

    SHA512

    9afc180ebc10c0ee0d7306f4b7085608a4e69321044d474691587bf7e63f945888781a9fc5e69568d351ac690b0335214bd04bdf5c75fd8a3bd1ec4be5d3475a

  • C:\Windows\Installer\MSI57F4.tmp

    Filesize

    721KB

    MD5

    5a1f2196056c0a06b79a77ae981c7761

    SHA1

    a880ae54395658f129e24732800e207ecd0b5603

    SHA256

    52f41817669af7ac55b1516894ee705245c3148f2997fa0e6617e9cc6353e41e

    SHA512

    9afc180ebc10c0ee0d7306f4b7085608a4e69321044d474691587bf7e63f945888781a9fc5e69568d351ac690b0335214bd04bdf5c75fd8a3bd1ec4be5d3475a

  • C:\Windows\Installer\MSI591D.tmp

    Filesize

    721KB

    MD5

    5a1f2196056c0a06b79a77ae981c7761

    SHA1

    a880ae54395658f129e24732800e207ecd0b5603

    SHA256

    52f41817669af7ac55b1516894ee705245c3148f2997fa0e6617e9cc6353e41e

    SHA512

    9afc180ebc10c0ee0d7306f4b7085608a4e69321044d474691587bf7e63f945888781a9fc5e69568d351ac690b0335214bd04bdf5c75fd8a3bd1ec4be5d3475a

  • C:\Windows\Installer\MSI59CA.tmp

    Filesize

    2.1MB

    MD5

    bedb0f369ebb79dbcf856379ecb6566c

    SHA1

    4a8c27c1a2f0be31b73fdad222782648c9ce6b0c

    SHA256

    189046093d0018570c1d9a12ad4aca14d4ccd65fb63d228275fd7067c24d2ecd

    SHA512

    06a3d60bf011453711d2f1df385b28edc3815f6e108567169690821b3085b8fda526a123cfbacb6e42290a0576fa878c41cdebef77609367965df12a159a02ee

  • C:\Windows\Installer\MSI5A09.tmp

    Filesize

    721KB

    MD5

    5a1f2196056c0a06b79a77ae981c7761

    SHA1

    a880ae54395658f129e24732800e207ecd0b5603

    SHA256

    52f41817669af7ac55b1516894ee705245c3148f2997fa0e6617e9cc6353e41e

    SHA512

    9afc180ebc10c0ee0d7306f4b7085608a4e69321044d474691587bf7e63f945888781a9fc5e69568d351ac690b0335214bd04bdf5c75fd8a3bd1ec4be5d3475a

  • C:\Windows\Installer\MSI5B80.tmp

    Filesize

    838KB

    MD5

    4a3f6a4023abd6bba56534de47d20017

    SHA1

    02dd888e467143e2e35465d73f39cf3e66afad10

    SHA256

    a8dfdc283ad8d4dc6f500ddfab564e79dadae075c0d54784b50e1ca548709b30

    SHA512

    580c7918ef90eb0020901bab645b72bcaf945ceb5bd56c2e7847f229b31a961bc4cd4ca9cb2583db480947ca8a0880b5ae4bd26717217abcacc9754352aaba28

  • \Users\Admin\AppData\Local\Temp\MSI4CB4.tmp

    Filesize

    721KB

    MD5

    5a1f2196056c0a06b79a77ae981c7761

    SHA1

    a880ae54395658f129e24732800e207ecd0b5603

    SHA256

    52f41817669af7ac55b1516894ee705245c3148f2997fa0e6617e9cc6353e41e

    SHA512

    9afc180ebc10c0ee0d7306f4b7085608a4e69321044d474691587bf7e63f945888781a9fc5e69568d351ac690b0335214bd04bdf5c75fd8a3bd1ec4be5d3475a

  • \Users\Admin\AppData\Local\Temp\MSI4E5A.tmp

    Filesize

    721KB

    MD5

    5a1f2196056c0a06b79a77ae981c7761

    SHA1

    a880ae54395658f129e24732800e207ecd0b5603

    SHA256

    52f41817669af7ac55b1516894ee705245c3148f2997fa0e6617e9cc6353e41e

    SHA512

    9afc180ebc10c0ee0d7306f4b7085608a4e69321044d474691587bf7e63f945888781a9fc5e69568d351ac690b0335214bd04bdf5c75fd8a3bd1ec4be5d3475a

  • \Windows\Installer\MSI57F4.tmp

    Filesize

    721KB

    MD5

    5a1f2196056c0a06b79a77ae981c7761

    SHA1

    a880ae54395658f129e24732800e207ecd0b5603

    SHA256

    52f41817669af7ac55b1516894ee705245c3148f2997fa0e6617e9cc6353e41e

    SHA512

    9afc180ebc10c0ee0d7306f4b7085608a4e69321044d474691587bf7e63f945888781a9fc5e69568d351ac690b0335214bd04bdf5c75fd8a3bd1ec4be5d3475a

  • \Windows\Installer\MSI591D.tmp

    Filesize

    721KB

    MD5

    5a1f2196056c0a06b79a77ae981c7761

    SHA1

    a880ae54395658f129e24732800e207ecd0b5603

    SHA256

    52f41817669af7ac55b1516894ee705245c3148f2997fa0e6617e9cc6353e41e

    SHA512

    9afc180ebc10c0ee0d7306f4b7085608a4e69321044d474691587bf7e63f945888781a9fc5e69568d351ac690b0335214bd04bdf5c75fd8a3bd1ec4be5d3475a

  • \Windows\Installer\MSI59CA.tmp

    Filesize

    2.1MB

    MD5

    bedb0f369ebb79dbcf856379ecb6566c

    SHA1

    4a8c27c1a2f0be31b73fdad222782648c9ce6b0c

    SHA256

    189046093d0018570c1d9a12ad4aca14d4ccd65fb63d228275fd7067c24d2ecd

    SHA512

    06a3d60bf011453711d2f1df385b28edc3815f6e108567169690821b3085b8fda526a123cfbacb6e42290a0576fa878c41cdebef77609367965df12a159a02ee

  • \Windows\Installer\MSI5A09.tmp

    Filesize

    721KB

    MD5

    5a1f2196056c0a06b79a77ae981c7761

    SHA1

    a880ae54395658f129e24732800e207ecd0b5603

    SHA256

    52f41817669af7ac55b1516894ee705245c3148f2997fa0e6617e9cc6353e41e

    SHA512

    9afc180ebc10c0ee0d7306f4b7085608a4e69321044d474691587bf7e63f945888781a9fc5e69568d351ac690b0335214bd04bdf5c75fd8a3bd1ec4be5d3475a

  • \Windows\Installer\MSI5B80.tmp

    Filesize

    838KB

    MD5

    4a3f6a4023abd6bba56534de47d20017

    SHA1

    02dd888e467143e2e35465d73f39cf3e66afad10

    SHA256

    a8dfdc283ad8d4dc6f500ddfab564e79dadae075c0d54784b50e1ca548709b30

    SHA512

    580c7918ef90eb0020901bab645b72bcaf945ceb5bd56c2e7847f229b31a961bc4cd4ca9cb2583db480947ca8a0880b5ae4bd26717217abcacc9754352aaba28

  • memory/1688-127-0x0000000076CD0000-0x0000000076E79000-memory.dmp

    Filesize

    1.7MB

  • memory/1688-126-0x0000000002530000-0x0000000002617000-memory.dmp

    Filesize

    924KB

  • memory/1688-128-0x0000000002840000-0x0000000002A58000-memory.dmp

    Filesize

    2.1MB

  • memory/1688-129-0x0000000076CD0000-0x0000000076E79000-memory.dmp

    Filesize

    1.7MB

  • memory/1688-132-0x0000000002840000-0x0000000002A58000-memory.dmp

    Filesize

    2.1MB

  • memory/1688-131-0x0000000076CD0000-0x0000000076E79000-memory.dmp

    Filesize

    1.7MB

  • memory/1688-133-0x0000000002840000-0x0000000002A58000-memory.dmp

    Filesize

    2.1MB

  • memory/1688-134-0x0000000002530000-0x0000000002617000-memory.dmp

    Filesize

    924KB

  • memory/1688-135-0x0000000076CD0000-0x0000000076E79000-memory.dmp

    Filesize

    1.7MB