Analysis

  • max time kernel
    45s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 19:50

General

  • Target

    c017d23c2f5be66bd0e0828d047a8f604b8071c38b5c79c317bf89aee954f31d.exe

  • Size

    2.5MB

  • MD5

    7ccb686df8200212751a0ceba2bef774

  • SHA1

    96d66fa6607f67378105d64132ad8c438126da45

  • SHA256

    c017d23c2f5be66bd0e0828d047a8f604b8071c38b5c79c317bf89aee954f31d

  • SHA512

    e43cf0a4a81453e0612e07f605c10eef822fccd6407ed2e3f300e3b5c7e77e5c17749b83264b2a12f3471a52a237fc341c77921933304f626816cfcacb6d3636

  • SSDEEP

    49152:h1OsLTAHQDPTB3RnKWXUjuxZsHKddXx/WPKGL2ONrq8J8aUnbeZ9F:h1O+TAqMjuxZH/Wpd3

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\c017d23c2f5be66bd0e0828d047a8f604b8071c38b5c79c317bf89aee954f31d.exe
    "C:\Users\Admin\AppData\Local\Temp\c017d23c2f5be66bd0e0828d047a8f604b8071c38b5c79c317bf89aee954f31d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1340
    • C:\Users\Admin\AppData\Local\Temp\7zS207D.tmp\n1CFTmo49jQLRYI.exe
      .\n1CFTmo49jQLRYI.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:816
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\8oS5YzBSvzavqT.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:600
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\8oS5YzBSvzavqT.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:1008

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\GoSave\8oS5YzBSvzavqT.dat

    Filesize

    6KB

    MD5

    379e19687809e6330051e539ac11accc

    SHA1

    a86cdddb0970a0ffbe948e5c86030e2336921bf9

    SHA256

    f2d3a157b43a33723390e8bc80b6f7584115e8a09051da9704481369f303e384

    SHA512

    98918d7ffee91a01f29af74d199817e8857d3b5e0fc601d800638bdb7852590f2514fab56e895e562e5d30c5978a6f22a369704eaf92f82500000068a962094c

  • C:\Program Files (x86)\GoSave\8oS5YzBSvzavqT.x64.dll

    Filesize

    875KB

    MD5

    17da2bf78af676b649eae4f74864dfcc

    SHA1

    decf265a0aadc130874511ace40c62b0c0e16aac

    SHA256

    b3a707a96ccf454e91ecc1c8578928232646f188b7d9973678f0e27bbf96a2fb

    SHA512

    76522bd652d3ed0d6bec2c467937e319c24040498f825a2e5dec3c18357c5548a37b3d99de1f748ffdc380ae36b502ec0a6761f2adb55ffbbab1972323a3e806

  • C:\Users\Admin\AppData\Local\Temp\7zS207D.tmp\8oS5YzBSvzavqT.dll

    Filesize

    747KB

    MD5

    568f45a778978bfa4c7b3bd0c6a5dbf3

    SHA1

    2bf9ff26b5c38630b42d932506905725ef3a04a6

    SHA256

    a914e0ec45c799c86c4f62d4144ab5b9c9ded0ad33461fb41de8a437ce00196d

    SHA512

    62727e134832a741b10260a50a3f0ea68dece7e8f22afc29b937c10a84b3d6fbd23f36b8a1ff83bfa804a7fa18482671d25a9e94b77820c64f33bd66a95f2fca

  • C:\Users\Admin\AppData\Local\Temp\7zS207D.tmp\8oS5YzBSvzavqT.tlb

    Filesize

    3KB

    MD5

    09f02d57c684e89e594215260e2323b4

    SHA1

    c66c408e4919d9466f0b079846658165fd5daf11

    SHA256

    e4cdffe72ccc82e3dc738b78bc1aa4646ef9f9451662b0de6d67e18067837383

    SHA512

    f44be8c55204e41ade8c71d837cfe6d21fc9e708fdeb1b40433b4b893287f11006835ff1361e81de42f9cf03e0783269169e7ec920ea6b4f369f2dd648febdf5

  • C:\Users\Admin\AppData\Local\Temp\7zS207D.tmp\8oS5YzBSvzavqT.x64.dll

    Filesize

    875KB

    MD5

    17da2bf78af676b649eae4f74864dfcc

    SHA1

    decf265a0aadc130874511ace40c62b0c0e16aac

    SHA256

    b3a707a96ccf454e91ecc1c8578928232646f188b7d9973678f0e27bbf96a2fb

    SHA512

    76522bd652d3ed0d6bec2c467937e319c24040498f825a2e5dec3c18357c5548a37b3d99de1f748ffdc380ae36b502ec0a6761f2adb55ffbbab1972323a3e806

  • C:\Users\Admin\AppData\Local\Temp\7zS207D.tmp\aimjmgkhdkbgpcimgjanikodhndihhji\TslmPg.js

    Filesize

    5KB

    MD5

    30414dc4501cede07488b62eea35ba7f

    SHA1

    63fb9aa2315070e32d1149dfda8eda5e0622945a

    SHA256

    1988e6ea1dce575c5a863fdc6efdf07a2c4b4a5bf558aae61a721b0234b0da10

    SHA512

    6da6c52667e21613c1e5a0835b57c4ee69843870c16db2346f70c27c6f0f79914e79a538c0dd15073eda3cbc202afbde6af13f006cf39d45425ec5319b841e02

  • C:\Users\Admin\AppData\Local\Temp\7zS207D.tmp\aimjmgkhdkbgpcimgjanikodhndihhji\background.html

    Filesize

    143B

    MD5

    214ba8cb3e60d11f465225cbb78583b3

    SHA1

    af56a8ee6350ef826c656995ba3c335337aaf192

    SHA256

    aea08a765bfcf52e4767ce47e307f70628d559340602779b9d2e4d44fec06e78

    SHA512

    10226132c7c3586dd63bd628870eec7a8a193355414846b8efca7c2f3aa765500668db5f9e2b75ed3504639ec8e01742d22ecbaf4af839114307bc0c1924fc92

  • C:\Users\Admin\AppData\Local\Temp\7zS207D.tmp\aimjmgkhdkbgpcimgjanikodhndihhji\content.js

    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS207D.tmp\aimjmgkhdkbgpcimgjanikodhndihhji\lsdb.js

    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS207D.tmp\aimjmgkhdkbgpcimgjanikodhndihhji\manifest.json

    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zS207D.tmp\n1CFTmo49jQLRYI.dat

    Filesize

    6KB

    MD5

    379e19687809e6330051e539ac11accc

    SHA1

    a86cdddb0970a0ffbe948e5c86030e2336921bf9

    SHA256

    f2d3a157b43a33723390e8bc80b6f7584115e8a09051da9704481369f303e384

    SHA512

    98918d7ffee91a01f29af74d199817e8857d3b5e0fc601d800638bdb7852590f2514fab56e895e562e5d30c5978a6f22a369704eaf92f82500000068a962094c

  • C:\Users\Admin\AppData\Local\Temp\7zS207D.tmp\n1CFTmo49jQLRYI.exe

    Filesize

    785KB

    MD5

    c452103272f13b87cdbecb41ae8c5e15

    SHA1

    3904c76d43842139288db38322ae2522f69b0f47

    SHA256

    95494f4ea7ec3895ab6b670e91e3f99489d4ac84e54bb652bda11f1d539c5a30

    SHA512

    f20683111d6cc0dc72de592e74d101a30af835bd32d4a70ad00fb9f2b5cc42081e6c942477dba8bb294ee0aadedf1e3b335bb982b5613ae550987f10f84273a5

  • C:\Users\Admin\AppData\Local\Temp\7zS207D.tmp\n1CFTmo49jQLRYI.exe

    Filesize

    785KB

    MD5

    c452103272f13b87cdbecb41ae8c5e15

    SHA1

    3904c76d43842139288db38322ae2522f69b0f47

    SHA256

    95494f4ea7ec3895ab6b670e91e3f99489d4ac84e54bb652bda11f1d539c5a30

    SHA512

    f20683111d6cc0dc72de592e74d101a30af835bd32d4a70ad00fb9f2b5cc42081e6c942477dba8bb294ee0aadedf1e3b335bb982b5613ae550987f10f84273a5

  • C:\Users\Admin\AppData\Local\Temp\7zS207D.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS207D.tmp\[email protected]\chrome.manifest

    Filesize

    35B

    MD5

    218fd2311d986982be310fa4397b89c9

    SHA1

    f7867f5dbe8f2c5fc4990fe4d452d0f341502bae

    SHA256

    1c5f35866649dd2b4f74334505acd22d00a30b94c7df1ad04f495052bb38da7b

    SHA512

    70c3415a7d36d3d7a78268eb2a88375d561461c6bb4f1ac57d7b5a517adcc7946e0e31a2adbe798065982e4ea349e1490d720bd1d8c4f15628f8549f1cbb13b5

  • C:\Users\Admin\AppData\Local\Temp\7zS207D.tmp\[email protected]\content\bg.js

    Filesize

    7KB

    MD5

    2c08621a516ed008d4c33a25acca3337

    SHA1

    99aa5e61f1e98d8e97259502850cdea866470077

    SHA256

    9e46216559db32d5a642ab7d0d2ccc9a0c73c673247d54f0c24255d4697b6280

    SHA512

    25c88dce32762c002627cba56fe17e98d3508bd9253e025c95d816ce31a374069f9222535e6afecef44fe98cf160e0a4b74e6070045dd4cf6a85b561b629bff8

  • C:\Users\Admin\AppData\Local\Temp\7zS207D.tmp\[email protected]\install.rdf

    Filesize

    597B

    MD5

    646bff897dc44bf88061f71b1ef05466

    SHA1

    6cc3378f7ae8a9746591d53c3bf12f841f560fa1

    SHA256

    7574b6307398045f6cdfc473a9f4c7409fa90f19cc60325e1c885119a1e1d27a

    SHA512

    1ff2cc438a34c83a2d8a78b0ca358e19d62d00f004fdb368817e08aa927752a331612436f41dda264cc7e0a6c5e34c51333cae348cd518f94dea36f64b94cef5

  • \Program Files (x86)\GoSave\8oS5YzBSvzavqT.dll

    Filesize

    747KB

    MD5

    568f45a778978bfa4c7b3bd0c6a5dbf3

    SHA1

    2bf9ff26b5c38630b42d932506905725ef3a04a6

    SHA256

    a914e0ec45c799c86c4f62d4144ab5b9c9ded0ad33461fb41de8a437ce00196d

    SHA512

    62727e134832a741b10260a50a3f0ea68dece7e8f22afc29b937c10a84b3d6fbd23f36b8a1ff83bfa804a7fa18482671d25a9e94b77820c64f33bd66a95f2fca

  • \Program Files (x86)\GoSave\8oS5YzBSvzavqT.x64.dll

    Filesize

    875KB

    MD5

    17da2bf78af676b649eae4f74864dfcc

    SHA1

    decf265a0aadc130874511ace40c62b0c0e16aac

    SHA256

    b3a707a96ccf454e91ecc1c8578928232646f188b7d9973678f0e27bbf96a2fb

    SHA512

    76522bd652d3ed0d6bec2c467937e319c24040498f825a2e5dec3c18357c5548a37b3d99de1f748ffdc380ae36b502ec0a6761f2adb55ffbbab1972323a3e806

  • \Program Files (x86)\GoSave\8oS5YzBSvzavqT.x64.dll

    Filesize

    875KB

    MD5

    17da2bf78af676b649eae4f74864dfcc

    SHA1

    decf265a0aadc130874511ace40c62b0c0e16aac

    SHA256

    b3a707a96ccf454e91ecc1c8578928232646f188b7d9973678f0e27bbf96a2fb

    SHA512

    76522bd652d3ed0d6bec2c467937e319c24040498f825a2e5dec3c18357c5548a37b3d99de1f748ffdc380ae36b502ec0a6761f2adb55ffbbab1972323a3e806

  • \Users\Admin\AppData\Local\Temp\7zS207D.tmp\n1CFTmo49jQLRYI.exe

    Filesize

    785KB

    MD5

    c452103272f13b87cdbecb41ae8c5e15

    SHA1

    3904c76d43842139288db38322ae2522f69b0f47

    SHA256

    95494f4ea7ec3895ab6b670e91e3f99489d4ac84e54bb652bda11f1d539c5a30

    SHA512

    f20683111d6cc0dc72de592e74d101a30af835bd32d4a70ad00fb9f2b5cc42081e6c942477dba8bb294ee0aadedf1e3b335bb982b5613ae550987f10f84273a5

  • memory/600-73-0x0000000000000000-mapping.dmp

  • memory/816-56-0x0000000000000000-mapping.dmp

  • memory/1008-77-0x0000000000000000-mapping.dmp

  • memory/1008-78-0x000007FEFB9E1000-0x000007FEFB9E3000-memory.dmp

    Filesize

    8KB

  • memory/1340-54-0x00000000758B1000-0x00000000758B3000-memory.dmp

    Filesize

    8KB