Analysis

  • max time kernel
    223s
  • max time network
    333s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 19:40

General

  • Target

    c332be02842d59c284b6fd3ef5910864a98d802dcfad7b2fbdc26dcd2f1f1739.exe

  • Size

    2.5MB

  • MD5

    87c54474e544367a080b9e159443a24b

  • SHA1

    9a37798757faa2b188d024172fe285c2dda824b1

  • SHA256

    c332be02842d59c284b6fd3ef5910864a98d802dcfad7b2fbdc26dcd2f1f1739

  • SHA512

    ed81bb702fa801a515e3f40819b5f3d4fcf06ff0274304fa815990383ce18b055ac4fadc0e528296ace84ba092e7019d8c3b997c7316bf16152b39c75fd082f7

  • SSDEEP

    49152:h1OsCUc3R1YQeb1bR9qMS3te/+E+kzkeRutdQ3L3V/A9VeP:h1OHbRsTWe/Zl

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

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

  • Drops Chrome extension 3 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 11 IoCs

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

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c332be02842d59c284b6fd3ef5910864a98d802dcfad7b2fbdc26dcd2f1f1739.exe
    "C:\Users\Admin\AppData\Local\Temp\c332be02842d59c284b6fd3ef5910864a98d802dcfad7b2fbdc26dcd2f1f1739.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1032
    • C:\Users\Admin\AppData\Local\Temp\7zS36B.tmp\jqbluyXs0iOlNSs.exe
      .\jqbluyXs0iOlNSs.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:560
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\Vaudix\SKEilhRVIRVlpl.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1592
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\Vaudix\SKEilhRVIRVlpl.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:1572

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Browser Extensions

1
T1176

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\Vaudix\SKEilhRVIRVlpl.dat
    Filesize

    6KB

    MD5

    df7bf154faaa2682af7bc5456e4e9d1c

    SHA1

    9d4d1093bffbdb278a2de22a127a468bfbfd2ced

    SHA256

    4a35cafda0d11f01a86d64df357543a2e5f2784c0792d9d322fc80887eb39cd8

    SHA512

    511b5d25add7769963b63f82439cc7c6877d07f0a3e6d6e3fcbb1d61837c3d7f08ebafbce8f4c7de542f670879d5eb44f049bb4464433fbe6fabeac989a1fa99

  • C:\Program Files (x86)\Vaudix\SKEilhRVIRVlpl.x64.dll
    Filesize

    874KB

    MD5

    c204b63eda2256280c0d74669210c890

    SHA1

    0a66d21505519e92683ac9845c3ff9ee6e196332

    SHA256

    505902d13946b15000ecb6aadb6946a298193dbef795f1d085a233ca5d7ab4f0

    SHA512

    1bec19d922bbf35807826f156663338b9d0cfa221d41b531555577579646e5cbb5854a510da918c92755f10782e4f5fc8e49c4e4b24c32b7e800ca51691c7425

  • C:\Users\Admin\AppData\Local\Temp\7zS36B.tmp\3skTLk@e.net\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS36B.tmp\3skTLk@e.net\chrome.manifest
    Filesize

    35B

    MD5

    ee059e85029b944e7b8ff0287c96c75f

    SHA1

    4430890ad9f04f016310713e96c8575529a0b50c

    SHA256

    c769c607c8b7755083d6b0aa25d9de9a3c643cc5d60cd36c9f2b179b85106c1d

    SHA512

    be529c344daf6840e28637e6e309d685990f220407ffd9ac7b09c304cf02888f133b844efd1219392bfb265280d3211bac1189dbb238240cf4d6b55fd14a1520

  • C:\Users\Admin\AppData\Local\Temp\7zS36B.tmp\3skTLk@e.net\content\bg.js
    Filesize

    8KB

    MD5

    6ee07e5d158cb3e572e793950dd4a557

    SHA1

    84762f07d04e40da2ec2e68471dfa3b4970507dc

    SHA256

    c171fe4dc92379d274120825f049208b7ec5a6d95f6053bc5b4c22aad30196c8

    SHA512

    19e830a2a5837e18bc3f7377806f1bb660f3e3c6480b60d43e0d91a6dc7aa2c35e5d61a8a4210b7d8f9c44b397e85cb66506732c90278ace257c7e5dff24facb

  • C:\Users\Admin\AppData\Local\Temp\7zS36B.tmp\3skTLk@e.net\install.rdf
    Filesize

    594B

    MD5

    1bf4e91f06727bfab1907fdcc3b037eb

    SHA1

    189d7a1b1c51fe8d2416ddd09dfbc0cd8d7208d8

    SHA256

    cc38e1befb2e66b8823184b51758a671a2aed6a6ceaeb16305be1797830fad8c

    SHA512

    2d02061a09ed73b611bcd036234363083c4dd7283d7f4a5f30e237813cb37262a10e3a346e55f56b474ce46ae75847b86bc3747db7899aa1ab33bb1791f586f1

  • C:\Users\Admin\AppData\Local\Temp\7zS36B.tmp\SKEilhRVIRVlpl.dll
    Filesize

    744KB

    MD5

    fc8b2dfce95210e4fe59b69a454ce14a

    SHA1

    46acd69f9bc55784091a572c8aa4d4d153a874f8

    SHA256

    3b408b96d81cfe3167926bcb62020da4d95001d8d2c3fc4d67708ec21488f189

    SHA512

    5ba3bb3437bb523721eac4e5c510b3fcb7b15090efeccd43075c8a42a776acad0c785431d7e2287e1b812556a30cd17bdde3d0d99f505a739c2042843d2cc1bf

  • C:\Users\Admin\AppData\Local\Temp\7zS36B.tmp\SKEilhRVIRVlpl.tlb
    Filesize

    3KB

    MD5

    662093ad59715d81e0a2b7cfbd4ac684

    SHA1

    83419c0803aa1c25a27b1fb8ad4a663d2d4878b0

    SHA256

    68fc930e26f7f38e30df8f8f40d1232b81af62d4cf27a281a8f645788ad1f6c4

    SHA512

    0eaffb7f011f548e1c6f8490c3d353fa05976140383df85663b5ef13be110d4847f08afe236a796a7f10a28895d29a7344e6d346389aa0780cc24af50fd66bf6

  • C:\Users\Admin\AppData\Local\Temp\7zS36B.tmp\SKEilhRVIRVlpl.x64.dll
    Filesize

    874KB

    MD5

    c204b63eda2256280c0d74669210c890

    SHA1

    0a66d21505519e92683ac9845c3ff9ee6e196332

    SHA256

    505902d13946b15000ecb6aadb6946a298193dbef795f1d085a233ca5d7ab4f0

    SHA512

    1bec19d922bbf35807826f156663338b9d0cfa221d41b531555577579646e5cbb5854a510da918c92755f10782e4f5fc8e49c4e4b24c32b7e800ca51691c7425

  • C:\Users\Admin\AppData\Local\Temp\7zS36B.tmp\jqbluyXs0iOlNSs.dat
    Filesize

    6KB

    MD5

    df7bf154faaa2682af7bc5456e4e9d1c

    SHA1

    9d4d1093bffbdb278a2de22a127a468bfbfd2ced

    SHA256

    4a35cafda0d11f01a86d64df357543a2e5f2784c0792d9d322fc80887eb39cd8

    SHA512

    511b5d25add7769963b63f82439cc7c6877d07f0a3e6d6e3fcbb1d61837c3d7f08ebafbce8f4c7de542f670879d5eb44f049bb4464433fbe6fabeac989a1fa99

  • C:\Users\Admin\AppData\Local\Temp\7zS36B.tmp\jqbluyXs0iOlNSs.exe
    Filesize

    762KB

    MD5

    468f56fce4a9413059464fa7c9c3cc5f

    SHA1

    99dde68e6dca34b5787c1e2faeab1716f443e462

    SHA256

    1b0cefe330725f38dd592a9900eeca832124643d3a170805ad7cd988dc312841

    SHA512

    11bf2744d92faaa1e13bb316d3d56555fd5bb8a8248fde6bbca1f692cc55928ec901cc1cc79c09f236273e25712526dd629fd97aec4f062d469c9714d1a6a7d0

  • C:\Users\Admin\AppData\Local\Temp\7zS36B.tmp\jqbluyXs0iOlNSs.exe
    Filesize

    762KB

    MD5

    468f56fce4a9413059464fa7c9c3cc5f

    SHA1

    99dde68e6dca34b5787c1e2faeab1716f443e462

    SHA256

    1b0cefe330725f38dd592a9900eeca832124643d3a170805ad7cd988dc312841

    SHA512

    11bf2744d92faaa1e13bb316d3d56555fd5bb8a8248fde6bbca1f692cc55928ec901cc1cc79c09f236273e25712526dd629fd97aec4f062d469c9714d1a6a7d0

  • C:\Users\Admin\AppData\Local\Temp\7zS36B.tmp\lidpkphggjoimhlmmnhnngigibbpmhjf\MVXOMwfN.js
    Filesize

    6KB

    MD5

    368049297a9c9bcd57445e90bc29d33e

    SHA1

    acd4c12a0264eeb09a76c2f0b1a4569a9fd94b7e

    SHA256

    dd0b164d0ef0692cfd3ef58f21656d14824e3acd7bc8f72e37e392790fb512ea

    SHA512

    fbb93676e6c8c26435d993407c085df826aedfb6ea25026f1904c7c66ea988d5afafd761758bc1a99a670f0f8406a4032759c5210d7d26715479fe6123646da0

  • C:\Users\Admin\AppData\Local\Temp\7zS36B.tmp\lidpkphggjoimhlmmnhnngigibbpmhjf\background.html
    Filesize

    145B

    MD5

    5075e9d0631e272d1870f497ff3bf53c

    SHA1

    164c1727f502ea0fd60f8aec1609c64d4e70c3be

    SHA256

    708bb741e429be980aca001e75c06b7785c1b578e2c4e9b438ab160ee10e2fe3

    SHA512

    82190178471c277642120045463cf3330de680a2ada346546211d60cce0800394b83703e8e1fa5ec5c97eaf6026faa33bd5ea3e455c2518bd155590f173c6882

  • C:\Users\Admin\AppData\Local\Temp\7zS36B.tmp\lidpkphggjoimhlmmnhnngigibbpmhjf\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS36B.tmp\lidpkphggjoimhlmmnhnngigibbpmhjf\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS36B.tmp\lidpkphggjoimhlmmnhnngigibbpmhjf\manifest.json
    Filesize

    498B

    MD5

    664e2884e17f23553a19eee317642194

    SHA1

    a28ccc088d6b6692646150f3e8f111e568723fb4

    SHA256

    ee4ef853224cde2aa7e54351c02bc811af939202b82e19cbd1cc011fc3565191

    SHA512

    b2cef8c4dfb6a0648f21c53393b982c9171d8a0344a94970c13866ebd2870de2cd99dab5984000b10802c54a748230104c7997c3d2cd3ac5e97c9355a4cb7ecb

  • \Program Files (x86)\Vaudix\SKEilhRVIRVlpl.dll
    Filesize

    744KB

    MD5

    fc8b2dfce95210e4fe59b69a454ce14a

    SHA1

    46acd69f9bc55784091a572c8aa4d4d153a874f8

    SHA256

    3b408b96d81cfe3167926bcb62020da4d95001d8d2c3fc4d67708ec21488f189

    SHA512

    5ba3bb3437bb523721eac4e5c510b3fcb7b15090efeccd43075c8a42a776acad0c785431d7e2287e1b812556a30cd17bdde3d0d99f505a739c2042843d2cc1bf

  • \Program Files (x86)\Vaudix\SKEilhRVIRVlpl.x64.dll
    Filesize

    874KB

    MD5

    c204b63eda2256280c0d74669210c890

    SHA1

    0a66d21505519e92683ac9845c3ff9ee6e196332

    SHA256

    505902d13946b15000ecb6aadb6946a298193dbef795f1d085a233ca5d7ab4f0

    SHA512

    1bec19d922bbf35807826f156663338b9d0cfa221d41b531555577579646e5cbb5854a510da918c92755f10782e4f5fc8e49c4e4b24c32b7e800ca51691c7425

  • \Program Files (x86)\Vaudix\SKEilhRVIRVlpl.x64.dll
    Filesize

    874KB

    MD5

    c204b63eda2256280c0d74669210c890

    SHA1

    0a66d21505519e92683ac9845c3ff9ee6e196332

    SHA256

    505902d13946b15000ecb6aadb6946a298193dbef795f1d085a233ca5d7ab4f0

    SHA512

    1bec19d922bbf35807826f156663338b9d0cfa221d41b531555577579646e5cbb5854a510da918c92755f10782e4f5fc8e49c4e4b24c32b7e800ca51691c7425

  • \Users\Admin\AppData\Local\Temp\7zS36B.tmp\jqbluyXs0iOlNSs.exe
    Filesize

    762KB

    MD5

    468f56fce4a9413059464fa7c9c3cc5f

    SHA1

    99dde68e6dca34b5787c1e2faeab1716f443e462

    SHA256

    1b0cefe330725f38dd592a9900eeca832124643d3a170805ad7cd988dc312841

    SHA512

    11bf2744d92faaa1e13bb316d3d56555fd5bb8a8248fde6bbca1f692cc55928ec901cc1cc79c09f236273e25712526dd629fd97aec4f062d469c9714d1a6a7d0

  • memory/560-56-0x0000000000000000-mapping.dmp
  • memory/1032-54-0x0000000074DA1000-0x0000000074DA3000-memory.dmp
    Filesize

    8KB

  • memory/1572-77-0x0000000000000000-mapping.dmp
  • memory/1572-78-0x000007FEFB641000-0x000007FEFB643000-memory.dmp
    Filesize

    8KB

  • memory/1592-73-0x0000000000000000-mapping.dmp