Analysis

  • max time kernel
    43s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 19:40

General

  • Target

    c34a75f892c427316f9b614c13892cef30a481cc38fdcb60b1b84282969175bc.exe

  • Size

    2.5MB

  • MD5

    4aa9f18d719ae1309620dd3042ad867f

  • SHA1

    a1ce3d9ce39b7c045090f1634ced3428a4960ee7

  • SHA256

    c34a75f892c427316f9b614c13892cef30a481cc38fdcb60b1b84282969175bc

  • SHA512

    193e75f08fb3345b2c8c7d7e392a349920c02dd62d76b03d193479256d6226df617eb54c1e8290e1848285bd99c94bbcd72483cfd18cfd6ee847d58156a0f9b3

  • SSDEEP

    49152:h1OsuUc3R1YQeb1bR9qMS3te/+E+kzkeRutdQ3L3V/A9VeF:h1O/bRsTWe/ZH

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 Program Files directory 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c34a75f892c427316f9b614c13892cef30a481cc38fdcb60b1b84282969175bc.exe
    "C:\Users\Admin\AppData\Local\Temp\c34a75f892c427316f9b614c13892cef30a481cc38fdcb60b1b84282969175bc.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Users\Admin\AppData\Local\Temp\7zS4819.tmp\AnxvmsNVwo9NHSs.exe
      .\AnxvmsNVwo9NHSs.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:960
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\YoutubeAdBlocke\mvIbXz05Q1Z3kq.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1956
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\YoutubeAdBlocke\mvIbXz05Q1Z3kq.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:1720

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)\YoutubeAdBlocke\mvIbXz05Q1Z3kq.dat
    Filesize

    6KB

    MD5

    d1cdeee604bd528f0e023dad7330d0e6

    SHA1

    25dbdd94be7195bdc39f6600b428f426e4029766

    SHA256

    53beea447ec2bb0232437a78485e1c7941221c109489387ac78c3c1e1ec1779b

    SHA512

    f01bf2cefaa890ca741b7c4e803c73e6bf37e31a5130396136c40d3ba44504f446fd3b909e9312e1ac6cc3975caa039ce78596f2c9c2456dea2f240739fcf742

  • C:\Program Files (x86)\YoutubeAdBlocke\mvIbXz05Q1Z3kq.x64.dll
    Filesize

    874KB

    MD5

    c204b63eda2256280c0d74669210c890

    SHA1

    0a66d21505519e92683ac9845c3ff9ee6e196332

    SHA256

    505902d13946b15000ecb6aadb6946a298193dbef795f1d085a233ca5d7ab4f0

    SHA512

    1bec19d922bbf35807826f156663338b9d0cfa221d41b531555577579646e5cbb5854a510da918c92755f10782e4f5fc8e49c4e4b24c32b7e800ca51691c7425

  • C:\Users\Admin\AppData\Local\Temp\7zS4819.tmp\AnxvmsNVwo9NHSs.dat
    Filesize

    6KB

    MD5

    d1cdeee604bd528f0e023dad7330d0e6

    SHA1

    25dbdd94be7195bdc39f6600b428f426e4029766

    SHA256

    53beea447ec2bb0232437a78485e1c7941221c109489387ac78c3c1e1ec1779b

    SHA512

    f01bf2cefaa890ca741b7c4e803c73e6bf37e31a5130396136c40d3ba44504f446fd3b909e9312e1ac6cc3975caa039ce78596f2c9c2456dea2f240739fcf742

  • C:\Users\Admin\AppData\Local\Temp\7zS4819.tmp\AnxvmsNVwo9NHSs.exe
    Filesize

    762KB

    MD5

    468f56fce4a9413059464fa7c9c3cc5f

    SHA1

    99dde68e6dca34b5787c1e2faeab1716f443e462

    SHA256

    1b0cefe330725f38dd592a9900eeca832124643d3a170805ad7cd988dc312841

    SHA512

    11bf2744d92faaa1e13bb316d3d56555fd5bb8a8248fde6bbca1f692cc55928ec901cc1cc79c09f236273e25712526dd629fd97aec4f062d469c9714d1a6a7d0

  • C:\Users\Admin\AppData\Local\Temp\7zS4819.tmp\AnxvmsNVwo9NHSs.exe
    Filesize

    762KB

    MD5

    468f56fce4a9413059464fa7c9c3cc5f

    SHA1

    99dde68e6dca34b5787c1e2faeab1716f443e462

    SHA256

    1b0cefe330725f38dd592a9900eeca832124643d3a170805ad7cd988dc312841

    SHA512

    11bf2744d92faaa1e13bb316d3d56555fd5bb8a8248fde6bbca1f692cc55928ec901cc1cc79c09f236273e25712526dd629fd97aec4f062d469c9714d1a6a7d0

  • C:\Users\Admin\AppData\Local\Temp\7zS4819.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS4819.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    96cfe17ab95ef95be1159c6e58a47875

    SHA1

    014bab4f083bbdf2bf47712c0b533cf7f72b95de

    SHA256

    b43db1ee1dca16dd26fb27d2a7e2a45c2c2160b1a684ad323329f1ab8e50ed74

    SHA512

    4aa510be40c2251a313830d8f82dab187ce65f67b27ae5bf51ce7c84b72646d005bab14fa083257a3b92d9b8fb8902d7857300c106e730045c798f12f851cf3b

  • C:\Users\Admin\AppData\Local\Temp\7zS4819.tmp\[email protected]\content\bg.js
    Filesize

    7KB

    MD5

    64c34d124966bdc114b375ba9c496c5c

    SHA1

    15cc648fba971838e1e3d046986a74e44a87bbc7

    SHA256

    8397ed152330cfe5035bf6a452e19d09e9941a69d022301f81be558f4f009110

    SHA512

    adae30392c91eb61c4032d52b5c92474ffcef5781109a14a296c0fffb6e575a7eb7098aa76478f2816d09a8df30708f866d9847f8edec1d1a7893d99eb7b5a50

  • C:\Users\Admin\AppData\Local\Temp\7zS4819.tmp\[email protected]\install.rdf
    Filesize

    603B

    MD5

    f25a3e2ea434b1edbeba4085cdd1199d

    SHA1

    ce3bb952ca7ee7ceeddd42756e45858b0055672d

    SHA256

    169d07bcf6d54952fa70f5aa84da4912156b84480c215b4391f93b6b337df95f

    SHA512

    3242276a637d7913655509ee6c42276e19586a5a417f8b3ff64e1437980bdbb3bde418337a61909bb43007464e3164b21c0ca5d5d12d56394bd5eba6236da0a2

  • C:\Users\Admin\AppData\Local\Temp\7zS4819.tmp\mvIbXz05Q1Z3kq.dll
    Filesize

    744KB

    MD5

    fc8b2dfce95210e4fe59b69a454ce14a

    SHA1

    46acd69f9bc55784091a572c8aa4d4d153a874f8

    SHA256

    3b408b96d81cfe3167926bcb62020da4d95001d8d2c3fc4d67708ec21488f189

    SHA512

    5ba3bb3437bb523721eac4e5c510b3fcb7b15090efeccd43075c8a42a776acad0c785431d7e2287e1b812556a30cd17bdde3d0d99f505a739c2042843d2cc1bf

  • C:\Users\Admin\AppData\Local\Temp\7zS4819.tmp\mvIbXz05Q1Z3kq.tlb
    Filesize

    3KB

    MD5

    662093ad59715d81e0a2b7cfbd4ac684

    SHA1

    83419c0803aa1c25a27b1fb8ad4a663d2d4878b0

    SHA256

    68fc930e26f7f38e30df8f8f40d1232b81af62d4cf27a281a8f645788ad1f6c4

    SHA512

    0eaffb7f011f548e1c6f8490c3d353fa05976140383df85663b5ef13be110d4847f08afe236a796a7f10a28895d29a7344e6d346389aa0780cc24af50fd66bf6

  • C:\Users\Admin\AppData\Local\Temp\7zS4819.tmp\mvIbXz05Q1Z3kq.x64.dll
    Filesize

    874KB

    MD5

    c204b63eda2256280c0d74669210c890

    SHA1

    0a66d21505519e92683ac9845c3ff9ee6e196332

    SHA256

    505902d13946b15000ecb6aadb6946a298193dbef795f1d085a233ca5d7ab4f0

    SHA512

    1bec19d922bbf35807826f156663338b9d0cfa221d41b531555577579646e5cbb5854a510da918c92755f10782e4f5fc8e49c4e4b24c32b7e800ca51691c7425

  • C:\Users\Admin\AppData\Local\Temp\7zS4819.tmp\pjbdmfmjohdacdgnjfmnkhmcdalpnmcc\HkaXBSiO.js
    Filesize

    5KB

    MD5

    1a6cb5096153b276b76f6f661711c2b6

    SHA1

    ce088176cd51d7a15cd2c686cc3af4b4283a11d6

    SHA256

    68ae475787ecd3fb0f342e1a04c950d028617e78046674957431038fad1a8955

    SHA512

    69995666aacb21ffca5fe652a7f84c8477a958129c204c3c914d87a420259098ddccb51394e9ce300ce691a428b6ddeaa4c1075d434926b7053f8538a79c3821

  • C:\Users\Admin\AppData\Local\Temp\7zS4819.tmp\pjbdmfmjohdacdgnjfmnkhmcdalpnmcc\background.html
    Filesize

    145B

    MD5

    4a7dd65288df875b3893efb604032dde

    SHA1

    144f0ab90ba3e2f61e23d7220cfb6fb61646958c

    SHA256

    c9150926e809f6677035d41e6387645eb99237421b2e8710f37142111d3eb7b2

    SHA512

    241156de37cfcd84c1171144ec6c5a89092870544115d89ae01fc61b60d391f1fed154416cf08918098b52fb0efb1de318fe49843371214a66492d3cd222a64e

  • C:\Users\Admin\AppData\Local\Temp\7zS4819.tmp\pjbdmfmjohdacdgnjfmnkhmcdalpnmcc\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS4819.tmp\pjbdmfmjohdacdgnjfmnkhmcdalpnmcc\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS4819.tmp\pjbdmfmjohdacdgnjfmnkhmcdalpnmcc\manifest.json
    Filesize

    507B

    MD5

    d429395a45a9aa09e4ee9054e9196b30

    SHA1

    c5dbab4e27650b07d4d159c305d08a9d578c3a3e

    SHA256

    674fc32cde82ed69cb8595bbea9f70f69097062c39bd6a3a505227a4f4a45344

    SHA512

    4a5bc7c005e573bf0cdb89489d676fb26c5fe116d397a6cd7a1ebb2cae9605b3d1657378e17d354cb102e93c39b32fa8d2963f375af37c871452f3170356101e

  • \Program Files (x86)\YoutubeAdBlocke\mvIbXz05Q1Z3kq.dll
    Filesize

    744KB

    MD5

    fc8b2dfce95210e4fe59b69a454ce14a

    SHA1

    46acd69f9bc55784091a572c8aa4d4d153a874f8

    SHA256

    3b408b96d81cfe3167926bcb62020da4d95001d8d2c3fc4d67708ec21488f189

    SHA512

    5ba3bb3437bb523721eac4e5c510b3fcb7b15090efeccd43075c8a42a776acad0c785431d7e2287e1b812556a30cd17bdde3d0d99f505a739c2042843d2cc1bf

  • \Program Files (x86)\YoutubeAdBlocke\mvIbXz05Q1Z3kq.x64.dll
    Filesize

    874KB

    MD5

    c204b63eda2256280c0d74669210c890

    SHA1

    0a66d21505519e92683ac9845c3ff9ee6e196332

    SHA256

    505902d13946b15000ecb6aadb6946a298193dbef795f1d085a233ca5d7ab4f0

    SHA512

    1bec19d922bbf35807826f156663338b9d0cfa221d41b531555577579646e5cbb5854a510da918c92755f10782e4f5fc8e49c4e4b24c32b7e800ca51691c7425

  • \Program Files (x86)\YoutubeAdBlocke\mvIbXz05Q1Z3kq.x64.dll
    Filesize

    874KB

    MD5

    c204b63eda2256280c0d74669210c890

    SHA1

    0a66d21505519e92683ac9845c3ff9ee6e196332

    SHA256

    505902d13946b15000ecb6aadb6946a298193dbef795f1d085a233ca5d7ab4f0

    SHA512

    1bec19d922bbf35807826f156663338b9d0cfa221d41b531555577579646e5cbb5854a510da918c92755f10782e4f5fc8e49c4e4b24c32b7e800ca51691c7425

  • \Users\Admin\AppData\Local\Temp\7zS4819.tmp\AnxvmsNVwo9NHSs.exe
    Filesize

    762KB

    MD5

    468f56fce4a9413059464fa7c9c3cc5f

    SHA1

    99dde68e6dca34b5787c1e2faeab1716f443e462

    SHA256

    1b0cefe330725f38dd592a9900eeca832124643d3a170805ad7cd988dc312841

    SHA512

    11bf2744d92faaa1e13bb316d3d56555fd5bb8a8248fde6bbca1f692cc55928ec901cc1cc79c09f236273e25712526dd629fd97aec4f062d469c9714d1a6a7d0

  • memory/960-56-0x0000000000000000-mapping.dmp
  • memory/1492-54-0x0000000075921000-0x0000000075923000-memory.dmp
    Filesize

    8KB

  • memory/1720-77-0x0000000000000000-mapping.dmp
  • memory/1720-78-0x000007FEFC371000-0x000007FEFC373000-memory.dmp
    Filesize

    8KB

  • memory/1956-73-0x0000000000000000-mapping.dmp