Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/02/2024, 10:08

General

  • Target
    91b5c9e5260db919b8a40ca3c787ec61.exe
  • Size 1.3MB
  • Sample240205-l6ck3afdgl
  • SHA256 9b07fbf3f7a8cae69ae6b7f3e8117cc45bf5af0d5d58d3560cefb0e70f8aaf54
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 32 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Registers COM server for autorun 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 5 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 25 IoCs
  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\91b5c9e5260db919b8a40ca3c787ec61.exe
    "C:\Users\Admin\AppData\Local\Temp\91b5c9e5260db919b8a40ca3c787ec61.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2488
    • C:\Users\Admin\AppData\Local\Temp\T8SETUP.EXE
      "C:\Users\Admin\AppData\Local\Temp\T8SETUP.EXE" /p=YU/n="CieoNet Utilities"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Registers COM server for autorun
      • Adds Run key to start application
      • Installs/modifies Browser Helper Object
      • Drops file in Program Files directory
      • Modifies Internet Explorer settings
      • Modifies data under HKEY_USERS
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3700
      • C:\PROGRA~2\CIEONE~1\bar\1.bin\0esrchmn.exe
        "C:\PROGRA~2\CIEONE~1\bar\1.bin\0esrchmn.exe" /m=2 /w /h
        3⤵
        • Executes dropped EXE
        PID:5116
      • C:\PROGRA~2\CIEONE~1\bar\1.bin\0ebarsvc.exe
        "C:\PROGRA~2\CIEONE~1\bar\1.bin\0ebarsvc.exe" -remove
        3⤵
        • Executes dropped EXE
        PID:4336
      • C:\PROGRA~2\CIEONE~1\bar\1.bin\0ebarsvc.exe
        "C:\PROGRA~2\CIEONE~1\bar\1.bin\0ebarsvc.exe" -install
        3⤵
        • Executes dropped EXE
        PID:4908
      • C:\PROGRA~2\CIEONE~1\bar\1.bin\0ebrmon.exe
        "C:\PROGRA~2\CIEONE~1\bar\1.bin\0ebrmon.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetWindowsHookEx
        PID:336
      • C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\0eHighIn.exe
        "C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\0eHighIn.exe" 0etpinst.dll,#5
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1712
  • C:\PROGRA~2\CIEONE~1\bar\1.bin\0ebarsvc.exe
    C:\PROGRA~2\CIEONE~1\bar\1.bin\0ebarsvc.exe
    1⤵
    • Executes dropped EXE
    PID:4036

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        0ebarsvc.exe

        • Path C:\PROGRA~2\CIEONE~1\bar\1.bin\0ebarsvc.exe
        • Size 41KB
        • SHA256 6689d8f62f860178685496ef45520967afaeff94cfbcc64cf77074f21577e0a2
        • MD5 SHA1 SHA512 SSDEEP

        0ebrmon.exe

        • Path C:\PROGRA~2\CIEONE~1\bar\1.bin\0ebrmon.exe
        • Size 29KB
        • SHA256 5418b7bb40b097da6370ada1194f8b2d2d3eefa3ca36a6eb31d39df7791a25a3
        • MD5 SHA1 SHA512 SSDEEP

        0esrchmn.exe

        • Path C:\PROGRA~2\CIEONE~1\bar\1.bin\0esrchmn.exe
        • Size 37KB
        • SHA256 b6a8fc2287131be7b61647ba640f871c8ac70a71d3a5c3346f7d75ae6680dc45
        • MD5 SHA1 SHA512 SSDEEP

        0ePlugin.dll

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\0ePlugin.dll
        • Size 61KB
        • SHA256 c290740fe6b590dfaca6db19e0ce663003b26b32eb921eb19619ea359640d348
        • MD5 SHA1 SHA512 SSDEEP

        0eSrcAs.dll

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\0eSrcAs.dll
        • Size 61KB
        • SHA256 45c3cfdef55ea3abc14fab5d25cffd0e08306f91aaea4a67248ee702e7b9fd7b
        • MD5 SHA1 SHA512 SSDEEP

        0eauxstb.dll

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\0eauxstb.dll
        • Size 29KB
        • SHA256 2529f6465570ac7f0b82613c694181cc10515ee045cfaa48dd7402e9b9d791bf
        • MD5 SHA1 SHA512 SSDEEP

        0ebar.dll

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\0ebar.dll
        • Size 673KB
        • SHA256 7b6924a1daae67ffb1b69f060fe5d6f6bf0a9681307feb2478281b5418e5ebb2
        • MD5 SHA1 SHA512 SSDEEP

        0ebrstub.dll

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\0ebrstub.dll
        • Size 33KB
        • SHA256 b67d6eba635dc1cec42eec2d1a1ceee34e43cb3a55e6080b1a17d29af5d9cf08
        • MD5 SHA1 SHA512 SSDEEP

        0edatact.dll

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\0edatact.dll
        • Size 97KB
        • SHA256 0059d01f099fffa09373a6ead57f3cd1c6772667b9a7eeb6edabca3cd1963cf1
        • MD5 SHA1 SHA512 SSDEEP

        0edlghk.dll

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\0edlghk.dll
        • Size 49KB
        • SHA256 909e45c4e208907b99fef410ec4f5fe848e06be036b7a3d3a49e94bd8f259530
        • MD5 SHA1 SHA512 SSDEEP

        0edyn.dll

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\0edyn.dll
        • Size 53KB
        • SHA256 5dc33b6ae31bb0b277f6db3b983e4adf5c509646b574c0630864ef462c6626c3
        • MD5 SHA1 SHA512 SSDEEP

        0efeedmg.dll

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\0efeedmg.dll
        • Size 89KB
        • SHA256 090686b394ebf791b262b97249b20083c6a78e6cb04847a3ba643eb64c5ff184
        • MD5 SHA1 SHA512 SSDEEP

        0ehighin.exe

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\0ehighin.exe
        • Size 21KB
        • SHA256 b1c485330062beb4d02e3e67e68de82c6ffa22b0bbf1eeb6356d2ae15d03249d
        • MD5 SHA1 SHA512 SSDEEP

        0ehkstub.dll

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\0ehkstub.dll
        • Size 33KB
        • SHA256 7c832e203c135a9a6d8feb4acd5cc828bd625bcf33f5348f38955d2eca8e31d9
        • MD5 SHA1 SHA512 SSDEEP

        0ehtml.dll

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\0ehtml.dll
        • Size 93KB
        • SHA256 a8b9edb8e090cb28bb4c9578fa1aab53c816b5a9d95853089135f41ff66d7385
        • MD5 SHA1 SHA512 SSDEEP

        0ehtmlmu.dll

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\0ehtmlmu.dll
        • Size 157KB
        • SHA256 264e123877da29452933488131e025c7c78abcf4390e09daa4c9530133f8c4a0
        • MD5 SHA1 SHA512 SSDEEP

        0ehttpct.dll

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\0ehttpct.dll
        • Size 81KB
        • SHA256 c7a2447a749292e6aa3a8db104b46058af0f044ee376d6ca49a3764955d9b6b1
        • MD5 SHA1 SHA512 SSDEEP

        0eidle.dll

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\0eidle.dll
        • Size 33KB
        • SHA256 120b46557864c807dde6be7c0c1e71a2110d784a242dc79159945669d920fdb6
        • MD5 SHA1 SHA512 SSDEEP

        0eieovr.dll

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\0eieovr.dll
        • Size 41KB
        • SHA256 aa30c65ee96701116138ebae7d1f0e831452a749f1f9724232a03e660ef13f51
        • MD5 SHA1 SHA512 SSDEEP

        0emlbtn.dll

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\0emlbtn.dll
        • Size 45KB
        • SHA256 f8274d77f804ad805806d531e940956d096f75c6b6b17f34a753f1cbce6c1632
        • MD5 SHA1 SHA512 SSDEEP

        0emsg.dll

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\0emsg.dll
        • Size 157KB
        • SHA256 a2122cc682e9155708a0a8c12d1e0935231c82a30f4ec1afe0245d8ea4c7e7f6
        • MD5 SHA1 SHA512 SSDEEP

        0eradio.dll

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\0eradio.dll
        • Size 121KB
        • SHA256 97b3a0272aa17e018d91d235cf5e21882a626bfc0ece264a699c25c2999bb9fc
        • MD5 SHA1 SHA512 SSDEEP

        0eregfft.dll

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\0eregfft.dll
        • Size 41KB
        • SHA256 159ffbb40567e8ebbcb29a24fa76bad6f1af81f5ec45a75cc5875dcdb5a78e4b
        • MD5 SHA1 SHA512 SSDEEP

        0ereghk.dll

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\0ereghk.dll
        • Size 41KB
        • SHA256 42c1e9298842ed383f4a0099b0782a5b57681e700f24338c5369e4a8586db9b2
        • MD5 SHA1 SHA512 SSDEEP

        0eregiet.dll

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\0eregiet.dll
        • Size 41KB
        • SHA256 64fa4044c2e8657b84eea6de847254731f20c010eed16bce9e82201dad825c13
        • MD5 SHA1 SHA512 SSDEEP

        0escript.dll

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\0escript.dll
        • Size 45KB
        • SHA256 5b1fe0d4b92c46a303e112763b926c978d5a60462f72327aa4655d7663507652
        • MD5 SHA1 SHA512 SSDEEP

        0eskin.dll

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\0eskin.dll
        • Size 125KB
        • SHA256 5925099be414f4f006fdbbac9d46b50d2c25e97410e9f1bd931e13ec586cd669
        • MD5 SHA1 SHA512 SSDEEP

        0etpinst.dll

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\0etpinst.dll
        • Size 161KB
        • SHA256 bc26c866dae1dca43b55ff1f0c9dc79b3d6b84ad3d796c8be0e4ea9f09a77f05
        • MD5 SHA1 SHA512 SSDEEP

        0euabtn.dll

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\0euabtn.dll
        • Size 41KB
        • SHA256 54fa5362ab82e7b7d631c48b7931ca50efeac29e2bfbbea30619f8f6be3b45e3
        • MD5 SHA1 SHA512 SSDEEP

        CHROME.MANIFEST

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\CHROME.MANIFEST
        • Size 265B
        • SHA256 4e76f8af72765bb4303797512ee256a8cf6063aa55197cd611c511fe8820c3ed
        • MD5 SHA1 SHA512

        INSTALL.RDF

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\INSTALL.RDF
        • Size 937B
        • SHA256 7d6a010ce5d35be5261a4e0d055429edbc386dad65d1e45fce66dc2e2d6904ff
        • MD5 SHA1 SHA512

        NP0eStub.dll

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\NP0eStub.dll
        • Size 29KB
        • SHA256 1bb8a5afd553fbbdca16606192d24265f49f66089177606a813b30c663984f04
        • MD5 SHA1 SHA512 SSDEEP

        T8RES.DLL

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\T8RES.DLL
        • Size 161KB
        • SHA256 7e346a6e14d49fe0fce7447099bea7e2f2eb049981885cbe733ea6325ba23ad8
        • MD5 SHA1 SHA512 SSDEEP

        0effxtbr.jar

        • Path C:\Program Files (x86)\CieoNetUtilities_0e\bar\1.bin\chrome\0effxtbr.jar
        • Size 26KB
        • SHA256 5c466e45c323675ddafd47c5204f6816f412c6e82b48be988217faf3cb418923
        • MD5 SHA1 SHA512 SSDEEP

        T8SETUP.EXE

        • Path C:\Users\Admin\AppData\Local\Temp\T8SETUP.EXE
        • Size 3.3MB
        • SHA256 7ba3625c78cc726f5f6a8cdda0042030d77bd6c8fd932865b62072781b821e28
        • MD5 SHA1 SHA512 SSDEEP

        T8SETUP.EX_

        • Path C:\Users\Admin\AppData\Local\Temp\T8SETUP.EX_
        • Size 1.3MB
        • SHA256 5af04c2970205d62edaeb1df75c5eb82a392a608cd9b5b2d8518b23bfca21b66
        • MD5 SHA1 SHA512 SSDEEP