Analysis

  • max time kernel
    167s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 06:58

General

  • Target

    be49ecffe80942a396186d0e9b3022b9fd0cf55593e9eaa774bc39219e6c46e1.exe

  • Size

    2.1MB

  • MD5

    21aaa787f39330d9aee082d86b01491b

  • SHA1

    1946d2aae041e99ec1b55c4b2469d9f6a6605373

  • SHA256

    be49ecffe80942a396186d0e9b3022b9fd0cf55593e9eaa774bc39219e6c46e1

  • SHA512

    f111a566c417c03f0094cc14e50a24176b6db011af1ac45e17f32ac731a76d69dd2c81f767b959b1ea18f6c9aed799e6f1d786cdec88638fcd87fbf923fffe0d

  • SSDEEP

    49152:h1Osbl9RJLu6vcW6hGkaVR7QSiN/tObJmZcqYUuRTG:h1OmrVOhGRkSixtKDE

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\be49ecffe80942a396186d0e9b3022b9fd0cf55593e9eaa774bc39219e6c46e1.exe
    "C:\Users\Admin\AppData\Local\Temp\be49ecffe80942a396186d0e9b3022b9fd0cf55593e9eaa774bc39219e6c46e1.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:268
    • C:\Users\Admin\AppData\Local\Temp\7zSC0B1.tmp\tRyVPCSrsxsDrV6.exe
      .\tRyVPCSrsxsDrV6.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:620
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\gRB0aibLAfHq0E.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1684
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\gRB0aibLAfHq0E.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:968

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\GoSave\gRB0aibLAfHq0E.dat

    Filesize

    6KB

    MD5

    3f5696af4661ddd93a8bf9a7cba18d6b

    SHA1

    037bd7abe10d15759516754ff54c2413c895665e

    SHA256

    2df174e8dc7662f2055f997ffff301ecc303c4872a6edabab73ccd4b8c5cd013

    SHA512

    0e56a2dab86f529d64024c036d8b8a50959e59e7e9e02a3cf410a26a11b1347d5082e32fdfbe5cfdf34ee8e323b36f2bea08321d6d508c0060dc4a3b63b83d50

  • C:\Program Files (x86)\GoSave\gRB0aibLAfHq0E.x64.dll

    Filesize

    699KB

    MD5

    ab6775c5bb7ec35da3edb40a512efc67

    SHA1

    62d695981e4e91137a52311eda763ab69aa28739

    SHA256

    329366453e9690aa8bc34a4d2cec6f90e2b0ddac7608fdfa2a59b950e099f48c

    SHA512

    07497f58eac44f9b626cf02e1d3043bf51779e7e7fe49878cdcf5888c93a1123043e9c5b813a1049922470ec2116d1d60fa66c770162ef778fc182a878b7ce8c

  • C:\Users\Admin\AppData\Local\Temp\7zSC0B1.tmp\bcidbbaaffnjehefmidagnglehhbmepk\background.html

    Filesize

    144B

    MD5

    8b3fefce7663ba1cab44f35f02a6744c

    SHA1

    d6934804be05d1e542179e6e360c97e82f700c26

    SHA256

    2023581ab69372defc99a1aadcc8a5b8c1b51e5016415ac0f4ee29ce815ed667

    SHA512

    e2e415b0a7dc38955cd2da0f0880b60ee0096f699f98e71109fb6df40a1623e0eb467703764ca831f9e8c8d9a1ce62fbaa7146a24e55a768aade5275adbb98d4

  • C:\Users\Admin\AppData\Local\Temp\7zSC0B1.tmp\bcidbbaaffnjehefmidagnglehhbmepk\content.js

    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zSC0B1.tmp\bcidbbaaffnjehefmidagnglehhbmepk\lsdb.js

    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zSC0B1.tmp\bcidbbaaffnjehefmidagnglehhbmepk\manifest.json

    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zSC0B1.tmp\bcidbbaaffnjehefmidagnglehhbmepk\y62eUDG.js

    Filesize

    5KB

    MD5

    d805978903b089fb9f92cdb8b987004d

    SHA1

    ebd93e6c071dd9a3199cbb2452104733ec4f2749

    SHA256

    cea9fffe149bc90006a7e130aef5fe1b223df806ba43aeec6aa95a0fd6fdf9f6

    SHA512

    8a7f97d15005002f3066c1d1e31c02e8e9df8b2d34f2a326a6908e36f4b09124a65661025d68fb27e0278c68dd1298af85fa7a4427e11c57c96fea528ffe8439

  • C:\Users\Admin\AppData\Local\Temp\7zSC0B1.tmp\gRB0aibLAfHq0E.dll

    Filesize

    621KB

    MD5

    021d6ecac6ffca37cd098212eb99c22e

    SHA1

    e662d4f6bcee66df291ee638349bd75d5468e834

    SHA256

    f9f805536f4f45348b36aa4d60ed1b9869c5fe36acea58c25064dbcdb1a0ee50

    SHA512

    8fd459ead2ab976a17588f1e5e6c39ffab032d98a1903c1f70ae89dc273eca0a49662f582b6da9e394298ed4f11b7abad50bb51229f77ff2c95502672359572f

  • C:\Users\Admin\AppData\Local\Temp\7zSC0B1.tmp\gRB0aibLAfHq0E.tlb

    Filesize

    3KB

    MD5

    38dcedc06ce882652b73038799f369c1

    SHA1

    09985c74e62920963791808be0765222d2a517d3

    SHA256

    37996a9f383f824002a73026332578b823bacad0a736f2f4c25401f6e2da307c

    SHA512

    78b7ab8fc102a0f874d24bb40e7b399befe3eb8788c08b059487770dd83a390daf0011c34d6cd29dd78e3436bfd6587fff2f50bde0c3bed49e6ffe27ef0b4c16

  • C:\Users\Admin\AppData\Local\Temp\7zSC0B1.tmp\gRB0aibLAfHq0E.x64.dll

    Filesize

    699KB

    MD5

    ab6775c5bb7ec35da3edb40a512efc67

    SHA1

    62d695981e4e91137a52311eda763ab69aa28739

    SHA256

    329366453e9690aa8bc34a4d2cec6f90e2b0ddac7608fdfa2a59b950e099f48c

    SHA512

    07497f58eac44f9b626cf02e1d3043bf51779e7e7fe49878cdcf5888c93a1123043e9c5b813a1049922470ec2116d1d60fa66c770162ef778fc182a878b7ce8c

  • C:\Users\Admin\AppData\Local\Temp\7zSC0B1.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zSC0B1.tmp\[email protected]\chrome.manifest

    Filesize

    35B

    MD5

    e344bdd0fb6bbb1c690aa6a0520cde34

    SHA1

    37a916dd6b5898decac9e440a9a0c40afaee8261

    SHA256

    7037879a8e6338f1e618d3436ce5d1d77eb2ac883afc40e4d5268c5a687c8714

    SHA512

    8c21c191a5497a78523ad1dc4e6f61c96e855fd94d859a9f381b33e07ecb84aac591f455433c574421eadce0fa1faa29be581ba13adddc788625b3787799ac5c

  • C:\Users\Admin\AppData\Local\Temp\7zSC0B1.tmp\[email protected]\content\bg.js

    Filesize

    7KB

    MD5

    b5be13e7489d0cb7b5fc5743e946893a

    SHA1

    0f6a6f5bfa8bc841713b2e7c1464f54c4f970e2f

    SHA256

    388f26226c336ba51d8aa6b6ec4b70fed4ae4cdf6bab370d371f0130f796e1ce

    SHA512

    2b926b0fe3a5ce567254e90029fd1739437533725373aad005dd72fa760036b1846cb8b1b5b052ec3288d55847d9c1df3d02f8b091b4355c830f65c5739b9940

  • C:\Users\Admin\AppData\Local\Temp\7zSC0B1.tmp\[email protected]\install.rdf

    Filesize

    594B

    MD5

    e753fcc99005af1be6ae12d71bb877eb

    SHA1

    4cd0927608f63a8f5cc7cc9dd1b377362e0638c8

    SHA256

    617982b87768985abbd78268f5f16355377d9eb7f3e0db8d00c7d566213628db

    SHA512

    2a54dd07473c3a3ac04b6ae3d8195375a5696059f0fe115e2d2baa96fe7ad8cb39d79f5730e93fc2a458f8f82051e4e11886cc6d2cce2ad2f65d9d92fc2732e3

  • C:\Users\Admin\AppData\Local\Temp\7zSC0B1.tmp\tRyVPCSrsxsDrV6.dat

    Filesize

    6KB

    MD5

    3f5696af4661ddd93a8bf9a7cba18d6b

    SHA1

    037bd7abe10d15759516754ff54c2413c895665e

    SHA256

    2df174e8dc7662f2055f997ffff301ecc303c4872a6edabab73ccd4b8c5cd013

    SHA512

    0e56a2dab86f529d64024c036d8b8a50959e59e7e9e02a3cf410a26a11b1347d5082e32fdfbe5cfdf34ee8e323b36f2bea08321d6d508c0060dc4a3b63b83d50

  • C:\Users\Admin\AppData\Local\Temp\7zSC0B1.tmp\tRyVPCSrsxsDrV6.exe

    Filesize

    622KB

    MD5

    80fb7c6cb182b769448bd45c28fcc963

    SHA1

    454ad8e9ee2267c72222e7f8a902b2c19cfab01d

    SHA256

    9abc0a4bba0b42851bed08efb7c1643105b9f256e8ac53ae21d8d7269f9948b3

    SHA512

    224e8954fcb850ab2570005aa9ba82e643a65e0efaba70ac29b045ec9aba9d11414a211c7e87a8ba96eba1bd872d7541bc0d32890a87b20c814d573cfcfb0f14

  • C:\Users\Admin\AppData\Local\Temp\7zSC0B1.tmp\tRyVPCSrsxsDrV6.exe

    Filesize

    622KB

    MD5

    80fb7c6cb182b769448bd45c28fcc963

    SHA1

    454ad8e9ee2267c72222e7f8a902b2c19cfab01d

    SHA256

    9abc0a4bba0b42851bed08efb7c1643105b9f256e8ac53ae21d8d7269f9948b3

    SHA512

    224e8954fcb850ab2570005aa9ba82e643a65e0efaba70ac29b045ec9aba9d11414a211c7e87a8ba96eba1bd872d7541bc0d32890a87b20c814d573cfcfb0f14

  • \Program Files (x86)\GoSave\gRB0aibLAfHq0E.dll

    Filesize

    621KB

    MD5

    021d6ecac6ffca37cd098212eb99c22e

    SHA1

    e662d4f6bcee66df291ee638349bd75d5468e834

    SHA256

    f9f805536f4f45348b36aa4d60ed1b9869c5fe36acea58c25064dbcdb1a0ee50

    SHA512

    8fd459ead2ab976a17588f1e5e6c39ffab032d98a1903c1f70ae89dc273eca0a49662f582b6da9e394298ed4f11b7abad50bb51229f77ff2c95502672359572f

  • \Program Files (x86)\GoSave\gRB0aibLAfHq0E.x64.dll

    Filesize

    699KB

    MD5

    ab6775c5bb7ec35da3edb40a512efc67

    SHA1

    62d695981e4e91137a52311eda763ab69aa28739

    SHA256

    329366453e9690aa8bc34a4d2cec6f90e2b0ddac7608fdfa2a59b950e099f48c

    SHA512

    07497f58eac44f9b626cf02e1d3043bf51779e7e7fe49878cdcf5888c93a1123043e9c5b813a1049922470ec2116d1d60fa66c770162ef778fc182a878b7ce8c

  • \Program Files (x86)\GoSave\gRB0aibLAfHq0E.x64.dll

    Filesize

    699KB

    MD5

    ab6775c5bb7ec35da3edb40a512efc67

    SHA1

    62d695981e4e91137a52311eda763ab69aa28739

    SHA256

    329366453e9690aa8bc34a4d2cec6f90e2b0ddac7608fdfa2a59b950e099f48c

    SHA512

    07497f58eac44f9b626cf02e1d3043bf51779e7e7fe49878cdcf5888c93a1123043e9c5b813a1049922470ec2116d1d60fa66c770162ef778fc182a878b7ce8c

  • \Users\Admin\AppData\Local\Temp\7zSC0B1.tmp\tRyVPCSrsxsDrV6.exe

    Filesize

    622KB

    MD5

    80fb7c6cb182b769448bd45c28fcc963

    SHA1

    454ad8e9ee2267c72222e7f8a902b2c19cfab01d

    SHA256

    9abc0a4bba0b42851bed08efb7c1643105b9f256e8ac53ae21d8d7269f9948b3

    SHA512

    224e8954fcb850ab2570005aa9ba82e643a65e0efaba70ac29b045ec9aba9d11414a211c7e87a8ba96eba1bd872d7541bc0d32890a87b20c814d573cfcfb0f14

  • memory/268-54-0x0000000075491000-0x0000000075493000-memory.dmp

    Filesize

    8KB

  • memory/620-56-0x0000000000000000-mapping.dmp

  • memory/968-77-0x0000000000000000-mapping.dmp

  • memory/968-78-0x000007FEFBDD1000-0x000007FEFBDD3000-memory.dmp

    Filesize

    8KB

  • memory/1684-73-0x0000000000000000-mapping.dmp