Analysis

  • max time kernel
    126s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 08:25

General

  • Target

    351ba0394e7568ddae319af35e6f1adb7d0b7abce7f15d611a379065060b7ba7.exe

  • Size

    2.5MB

  • MD5

    50f39528710d7151d80da817ac5343e5

  • SHA1

    d63dad5c1f702a7b5a4949ff1b79840dc337d9ae

  • SHA256

    351ba0394e7568ddae319af35e6f1adb7d0b7abce7f15d611a379065060b7ba7

  • SHA512

    130c1c074603ba4dcdc07df6187be8e5532658f079c3ed9ff1acede7ab669f2b24d311c49a798eb3955db201c63c2a9933dd622f4bebc986e608063c7b8c1a05

  • SSDEEP

    49152:h1Os/MN6wdBh5N5Z4E8PuXitzuS4xBoYfzdgZ6YLFz5i4U/jA0GQ3r:h1OqMNtdBZouS4xK/hQ7

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 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 5 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 9 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 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\351ba0394e7568ddae319af35e6f1adb7d0b7abce7f15d611a379065060b7ba7.exe
    "C:\Users\Admin\AppData\Local\Temp\351ba0394e7568ddae319af35e6f1adb7d0b7abce7f15d611a379065060b7ba7.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1884
    • C:\Users\Admin\AppData\Local\Temp\7zSBFCA.tmp\sxBEe146coNqr4Y.exe
      .\sxBEe146coNqr4Y.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 AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1208
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\7EvjReJ2ccUGsm.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:5028
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\7EvjReJ2ccUGsm.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:4896
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:2356
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:1284

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\GoSave\7EvjReJ2ccUGsm.dat

        Filesize

        7KB

        MD5

        f0e6933312670330f481feda5bf473e9

        SHA1

        58507508c3c327bb640c06250c97bb1a9038f9d5

        SHA256

        5249f858f306297c911f4d8f5bb94de39edb6742b5d922fa7c93ab2251abddf4

        SHA512

        424c57c4ae1bbb186282ee5152666656bc931e78c0cb14a8fc7a6dc8505ccd1f45ace5f8e83281e1744143753c70bd823743c0aa1fb79d86db1859da478a6cc4

      • C:\Program Files (x86)\GoSave\7EvjReJ2ccUGsm.dll

        Filesize

        746KB

        MD5

        8a167580cd1dd37bd496c810951e265c

        SHA1

        64dd7babc6b7a2614306cc68929d38cc5b6ae0b2

        SHA256

        73cdc61ec4b161fbc4017ef7b8ed73e593439875608c336d57098bac796912ec

        SHA512

        28fd5a1e3554976eddeace6772236b22996448207bab74bcdf6acca2e7880293893f4ecfa5ea3ef54fd073fb226de1de1e6c708e5acd3a51d3878b1fe54ba27f

      • C:\Program Files (x86)\GoSave\7EvjReJ2ccUGsm.x64.dll

        Filesize

        878KB

        MD5

        ec4e3ee93c7c6caf8e77b2f2b910c82e

        SHA1

        b8c90bd001c371fadd683a9106b692a0dc6706c8

        SHA256

        ac086b67b1485da29052d256365a25dc9de3082bce7f55b64582152c00aac942

        SHA512

        a3ca51f000cd9092213c5e263f5f23be8deba913ad4f77a8a9b9239fe9807ef10224e26e16437a5862de4ccabda17d37e81d181882ba2ba5bb2515970d36a6c9

      • C:\Program Files (x86)\GoSave\7EvjReJ2ccUGsm.x64.dll

        Filesize

        878KB

        MD5

        ec4e3ee93c7c6caf8e77b2f2b910c82e

        SHA1

        b8c90bd001c371fadd683a9106b692a0dc6706c8

        SHA256

        ac086b67b1485da29052d256365a25dc9de3082bce7f55b64582152c00aac942

        SHA512

        a3ca51f000cd9092213c5e263f5f23be8deba913ad4f77a8a9b9239fe9807ef10224e26e16437a5862de4ccabda17d37e81d181882ba2ba5bb2515970d36a6c9

      • C:\Program Files (x86)\GoSave\7EvjReJ2ccUGsm.x64.dll

        Filesize

        878KB

        MD5

        ec4e3ee93c7c6caf8e77b2f2b910c82e

        SHA1

        b8c90bd001c371fadd683a9106b692a0dc6706c8

        SHA256

        ac086b67b1485da29052d256365a25dc9de3082bce7f55b64582152c00aac942

        SHA512

        a3ca51f000cd9092213c5e263f5f23be8deba913ad4f77a8a9b9239fe9807ef10224e26e16437a5862de4ccabda17d37e81d181882ba2ba5bb2515970d36a6c9

      • C:\Users\Admin\AppData\Local\Temp\7zSBFCA.tmp\7EvjReJ2ccUGsm.dll

        Filesize

        746KB

        MD5

        8a167580cd1dd37bd496c810951e265c

        SHA1

        64dd7babc6b7a2614306cc68929d38cc5b6ae0b2

        SHA256

        73cdc61ec4b161fbc4017ef7b8ed73e593439875608c336d57098bac796912ec

        SHA512

        28fd5a1e3554976eddeace6772236b22996448207bab74bcdf6acca2e7880293893f4ecfa5ea3ef54fd073fb226de1de1e6c708e5acd3a51d3878b1fe54ba27f

      • C:\Users\Admin\AppData\Local\Temp\7zSBFCA.tmp\7EvjReJ2ccUGsm.tlb

        Filesize

        3KB

        MD5

        6913bf1ba01b10787f0b5b1d8788071a

        SHA1

        9a1fe110cd29b99508385b1b1e5cb83e6e2b10ec

        SHA256

        40b0d7a3f86ad964a12d142c9544d015e252e98e2ebab0895ee9df6f3946110c

        SHA512

        c0410368dd71668a1e34bc81536bc2e8a1b19f6c51455f87205f6f2bf0c9ec04a8994c39c4edbd137c04fd1871b5dc19f7c82a9c83a814c17e4a2dd160cb1b1d

      • C:\Users\Admin\AppData\Local\Temp\7zSBFCA.tmp\7EvjReJ2ccUGsm.x64.dll

        Filesize

        878KB

        MD5

        ec4e3ee93c7c6caf8e77b2f2b910c82e

        SHA1

        b8c90bd001c371fadd683a9106b692a0dc6706c8

        SHA256

        ac086b67b1485da29052d256365a25dc9de3082bce7f55b64582152c00aac942

        SHA512

        a3ca51f000cd9092213c5e263f5f23be8deba913ad4f77a8a9b9239fe9807ef10224e26e16437a5862de4ccabda17d37e81d181882ba2ba5bb2515970d36a6c9

      • C:\Users\Admin\AppData\Local\Temp\7zSBFCA.tmp\oihlhkpfjeijnoadcohddfipicdmmjmi\EPsv4cbsN.js

        Filesize

        6KB

        MD5

        6ed0fa9c8e6c88776f74559ff527c4b8

        SHA1

        550f3fea5c16f4e830addba1b187877a7d7d57f7

        SHA256

        fbdcb74a0db10574c4cdd1b1ea3098726c541c83b8e03a44a24677f657195ed0

        SHA512

        f0307c37a0784a355a05959e0591efa471208e56b96878863f206c40f115ebbbc84a47786c2b269d51d279e6a2923e93e259357f57ad745f6354f798dc2aea6b

      • C:\Users\Admin\AppData\Local\Temp\7zSBFCA.tmp\oihlhkpfjeijnoadcohddfipicdmmjmi\background.html

        Filesize

        146B

        MD5

        aa436f833b2a99f3fbaf2b244c6572f1

        SHA1

        9d40c008edf46a2dcad4c6836442855ee585386f

        SHA256

        f96e7d4d064f1907438a99438b1e8d20186b14a206ef5df3265bc1c54399fcfc

        SHA512

        a542deb63138be47a381d691053cdc0fe53dc36dbc6f8bc93b601c114f9d2a0de14aca5f03dc029c07a20f808e41e75fb7df053b30354b7edb0dcf7eaa266361

      • C:\Users\Admin\AppData\Local\Temp\7zSBFCA.tmp\oihlhkpfjeijnoadcohddfipicdmmjmi\content.js

        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zSBFCA.tmp\oihlhkpfjeijnoadcohddfipicdmmjmi\lsdb.js

        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zSBFCA.tmp\oihlhkpfjeijnoadcohddfipicdmmjmi\manifest.json

        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • C:\Users\Admin\AppData\Local\Temp\7zSBFCA.tmp\sxBEe146coNqr4Y.dat

        Filesize

        7KB

        MD5

        f0e6933312670330f481feda5bf473e9

        SHA1

        58507508c3c327bb640c06250c97bb1a9038f9d5

        SHA256

        5249f858f306297c911f4d8f5bb94de39edb6742b5d922fa7c93ab2251abddf4

        SHA512

        424c57c4ae1bbb186282ee5152666656bc931e78c0cb14a8fc7a6dc8505ccd1f45ace5f8e83281e1744143753c70bd823743c0aa1fb79d86db1859da478a6cc4

      • C:\Users\Admin\AppData\Local\Temp\7zSBFCA.tmp\sxBEe146coNqr4Y.exe

        Filesize

        765KB

        MD5

        21c7e6ab35acdb8d15ac0590900c5206

        SHA1

        bd696ab0d1806c5492b4444d96fe272f217f4058

        SHA256

        314c44ac357c692c66516271e02fe280e9fc6d030a7172f2379c81fa383d44ec

        SHA512

        775636d7ec02398e32463ceaa7e1b18fe20689ed75d9c731b37b83f4c3ce828d2d2274d2f75d4f2c25133775969864467eff69b5fbf40e286fbfca6bdee1d3dd

      • C:\Users\Admin\AppData\Local\Temp\7zSBFCA.tmp\sxBEe146coNqr4Y.exe

        Filesize

        765KB

        MD5

        21c7e6ab35acdb8d15ac0590900c5206

        SHA1

        bd696ab0d1806c5492b4444d96fe272f217f4058

        SHA256

        314c44ac357c692c66516271e02fe280e9fc6d030a7172f2379c81fa383d44ec

        SHA512

        775636d7ec02398e32463ceaa7e1b18fe20689ed75d9c731b37b83f4c3ce828d2d2274d2f75d4f2c25133775969864467eff69b5fbf40e286fbfca6bdee1d3dd

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

        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

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

        Filesize

        35B

        MD5

        5a218e589860247eaf40871242c791dd

        SHA1

        37caf2d75a6448ec3cc6466424e144cf3e9ba58d

        SHA256

        e7a82f4aa58450de38ad7d6eafd060aca34cd54051f1e23c30b47436144c9aa8

        SHA512

        089d2d24f031fef162c023c4d008369cd03b531c5a997c4f30870fc73572932a7f5561281e5eaa1ab59a621a1e60c125fad8a39236375347791067ad6411f601

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

        Filesize

        8KB

        MD5

        c1a8255a13edf4a2d9eb9f86e13ed514

        SHA1

        c3982887245a76028a9ff924613fdf2d6880ead5

        SHA256

        17502531485f3dc5ad2a1542f96997cb8226444d12baa92689eac8b869ad6f98

        SHA512

        f9dd4629645a1c8f08f67c3403f57e13ed3c95be82f950d67debff3a774178134ea88a7a4e52ea8d4a20bb56ee0d0cba7eeccbc7cb37d9750f731aaaa1cb804a

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

        Filesize

        597B

        MD5

        e1b4e216489f4f91f56975ed71067a2d

        SHA1

        dda88dc1f0c2144aa6e1ac9f29df8c9c7f63e8b5

        SHA256

        b3d4c324e1cd764014898eacdfab7a215b274522abf17258cd33f3a2a317e15f

        SHA512

        1f9725cf5a3a93bdc0ea2e6ef3bac6df864a45d5263cb94c9c4a5bced80e859d87b5ecab899f523c8fbbd2dc407f0e98f3d21718a73d11fc77f4a91020b19591

      • memory/1208-132-0x0000000000000000-mapping.dmp

      • memory/4896-152-0x0000000000000000-mapping.dmp

      • memory/5028-149-0x0000000000000000-mapping.dmp