Analysis

  • max time kernel
    49s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 17:03

General

  • Target

    613ffd2927d2066beb1fe8931ca1971a1033f84adf0c641dcf727d890cc86fc7.exe

  • Size

    2.1MB

  • MD5

    86180eff9aecdbfa2039d9e66af6e2d3

  • SHA1

    5a8f84912bf23d1d3e144ab9c15e4b05c109d1df

  • SHA256

    613ffd2927d2066beb1fe8931ca1971a1033f84adf0c641dcf727d890cc86fc7

  • SHA512

    edf54d12b63bf23532797199e161d19f5826dd3399a568cc66a22818e316f355a7f5accbcea5b6c973e6dc24673d094db57a04e1ed54fb386e7f9c26cd1ed6d0

  • SSDEEP

    49152:h1Os/AxPqbaJ0CqWfTAeP20icuFMDoiXrBSdCIlE05XwjXr3K:h1OCAxib7CqWfTAeP2vaDhtSdph

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\613ffd2927d2066beb1fe8931ca1971a1033f84adf0c641dcf727d890cc86fc7.exe
    "C:\Users\Admin\AppData\Local\Temp\613ffd2927d2066beb1fe8931ca1971a1033f84adf0c641dcf727d890cc86fc7.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Users\Admin\AppData\Local\Temp\7zSA842.tmp\GRo86BRJsLTRP0E.exe
      .\GRo86BRJsLTRP0E.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:2012
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\RrI6XwK6ubMUn9.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:788
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\RrI6XwK6ubMUn9.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:684

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\GoSave\RrI6XwK6ubMUn9.dat

    Filesize

    6KB

    MD5

    957dd16f8ee7d5c403ae7f88e33bc86b

    SHA1

    c7f06707540eee493295d7637010a10cc44cc24f

    SHA256

    473fa38392b7b4e691d4e15a775b9262e48e949e4fe370d63990c0cfbd69bb39

    SHA512

    f75cf129c48d1cc6fbd797eed619b7fff05f57b2e059b0f8317ccf3f96f8612e7dd453b4027b7f04e3817da81527708b11674cfe61a60573c6a6a3715e9b6b29

  • C:\Program Files (x86)\GoSave\RrI6XwK6ubMUn9.x64.dll

    Filesize

    697KB

    MD5

    09b1827343abfccf344d2b04268c1b87

    SHA1

    1c60bbd56c0b33be582c3dac053e9b28b94d588b

    SHA256

    a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

    SHA512

    cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

  • C:\Users\Admin\AppData\Local\Temp\7zSA842.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zSA842.tmp\[email protected]\chrome.manifest

    Filesize

    35B

    MD5

    68686806b3ca7f83c0a35663e0f9c4f1

    SHA1

    f4df5059b4d21d4cd2e5421cfaf152b6721fdc72

    SHA256

    7ba0bdb4f4b95e7fd72be5e1d286fc4507cddd43875c8629f5144a4fde7bc307

    SHA512

    43fc829b85f4400cfd1356a1746a14d8ca4d89fced0502220625ecebd5b568cbf07c49d49e3bdd526d7096f833cc568a8e3ea3e23c828567dbe05b46b16c400c

  • C:\Users\Admin\AppData\Local\Temp\7zSA842.tmp\[email protected]\content\bg.js

    Filesize

    7KB

    MD5

    670d2803f25baf8db64bb97cd2222f75

    SHA1

    81f9e8931f0d535f9f8e3fc2c0b9a4d1f0df2d53

    SHA256

    a083f72d93ab9dfe3eb9d05fd7ce9d2ddaa41aec2cf0ec6175a7585f94fc23d6

    SHA512

    1d5f056607b3a98b9a670b29046a40f96584877449e5b3dee5434078fa02e37acb533aa0384f13751de3009de958d49b150926433fedce2ab196c8f7c5e4f3a9

  • C:\Users\Admin\AppData\Local\Temp\7zSA842.tmp\[email protected]\install.rdf

    Filesize

    596B

    MD5

    2eb5b4ae48196929700e287361effd27

    SHA1

    db7a46eb473ab140930b57626af3f2f455085a52

    SHA256

    c0d4f6c97427948b831a161b80aa3b00dd12e494330c24afa3c18c4867e9805e

    SHA512

    47675894abb10980ec94b3a51aa4aea47e68da81741bfb5b63c892857f507f83c8f38aa210ef45951ec33ee15c390a939f16e7bf191a9a3bf056067d6f9c6d52

  • C:\Users\Admin\AppData\Local\Temp\7zSA842.tmp\GRo86BRJsLTRP0E.dat

    Filesize

    6KB

    MD5

    957dd16f8ee7d5c403ae7f88e33bc86b

    SHA1

    c7f06707540eee493295d7637010a10cc44cc24f

    SHA256

    473fa38392b7b4e691d4e15a775b9262e48e949e4fe370d63990c0cfbd69bb39

    SHA512

    f75cf129c48d1cc6fbd797eed619b7fff05f57b2e059b0f8317ccf3f96f8612e7dd453b4027b7f04e3817da81527708b11674cfe61a60573c6a6a3715e9b6b29

  • C:\Users\Admin\AppData\Local\Temp\7zSA842.tmp\GRo86BRJsLTRP0E.exe

    Filesize

    634KB

    MD5

    39bca0c0295e43a1d256f93c4bc41a7d

    SHA1

    163629228f4ad397c594ae4acc1162d2990f7d5f

    SHA256

    2e46c5d7d549885057d92525f35b60a19cb428600a397245e5f6ce0238b5e1cd

    SHA512

    e16570bea11aa8680f4e547f099e8c099c1654e6a3060fca871a42dffb9e256811f5aa9bba9f00dc14b218ad32b56c916987b3a270893540a0992f832bcf2a4d

  • C:\Users\Admin\AppData\Local\Temp\7zSA842.tmp\GRo86BRJsLTRP0E.exe

    Filesize

    634KB

    MD5

    39bca0c0295e43a1d256f93c4bc41a7d

    SHA1

    163629228f4ad397c594ae4acc1162d2990f7d5f

    SHA256

    2e46c5d7d549885057d92525f35b60a19cb428600a397245e5f6ce0238b5e1cd

    SHA512

    e16570bea11aa8680f4e547f099e8c099c1654e6a3060fca871a42dffb9e256811f5aa9bba9f00dc14b218ad32b56c916987b3a270893540a0992f832bcf2a4d

  • C:\Users\Admin\AppData\Local\Temp\7zSA842.tmp\RrI6XwK6ubMUn9.dll

    Filesize

    617KB

    MD5

    840d829dddf8d035522e4f3547f72799

    SHA1

    1f669f414a0935ef806bdb8a93d2755f00104519

    SHA256

    a8405b5162305f768093c227ad9ece6ddd74f6dfe17fd0878a4e64e61e125d42

    SHA512

    e447ed7f6bbaacd8523984bae1584f39c4c38e93abd43d4e25c8056143d3228a3993d7aab8fd92d2e6baf0157a1d8638a1254eed037f3eb64250b6ca586913c7

  • C:\Users\Admin\AppData\Local\Temp\7zSA842.tmp\RrI6XwK6ubMUn9.tlb

    Filesize

    3KB

    MD5

    6fb4d3c40d62e1e378e92280f2cd93a4

    SHA1

    cdcd20abfab5c8f24b0bf2e24b43930a33b4d147

    SHA256

    ffe3ee2134494c6e175cf01e0fc518402384a1f79a46a37f441e6e3c74183983

    SHA512

    960ecc2ce3d9ee0a828780d0770a4966211a55c8587e36b460c3c5d2bf7a338bd538c13bb07e93b647b5c1056fc0c14f90cf59a4b13508350922cda38ab6538d

  • C:\Users\Admin\AppData\Local\Temp\7zSA842.tmp\RrI6XwK6ubMUn9.x64.dll

    Filesize

    697KB

    MD5

    09b1827343abfccf344d2b04268c1b87

    SHA1

    1c60bbd56c0b33be582c3dac053e9b28b94d588b

    SHA256

    a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

    SHA512

    cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

  • C:\Users\Admin\AppData\Local\Temp\7zSA842.tmp\jnohjemankfabjjikhobaigijhciipnh\background.html

    Filesize

    147B

    MD5

    a92018ce65c55d7943e0796d64f29ff4

    SHA1

    9ea8c6b9123929d1db1154444c0f1ca36994672b

    SHA256

    8f1d8c757b480f897fea46f68ef814ea11d46d84be7cc5cfc8a5e0536ec1cab7

    SHA512

    1d38c9be399264e25affcaa46107334e7dce743dfcd0524b5f9c934564e8446ea50ad92c4336cfe7e87843cf6d5d466f9eeae013bdeb61051b850df419ffc7f0

  • C:\Users\Admin\AppData\Local\Temp\7zSA842.tmp\jnohjemankfabjjikhobaigijhciipnh\content.js

    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zSA842.tmp\jnohjemankfabjjikhobaigijhciipnh\lsdb.js

    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zSA842.tmp\jnohjemankfabjjikhobaigijhciipnh\manifest.json

    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zSA842.tmp\jnohjemankfabjjikhobaigijhciipnh\x2TOFiAZD4.js

    Filesize

    5KB

    MD5

    e3fbd6be60cbae48beed672885baff7e

    SHA1

    e34f39beefa8f5bf4c9bc74c3edd21786ebb005f

    SHA256

    50c8257cad03515cff1fec9cf5cadf5cd1bb5ee355b4c72534dd06c41171ec3d

    SHA512

    b76a1ceb29e84ea65c339eab248b4b6294828e19ea5cb2c251301bc7e304edf3eb55f84b54bc9f0acf16e8805a8453568cee2892fa8ccb5b06462c2f998e5f36

  • \Program Files (x86)\GoSave\RrI6XwK6ubMUn9.dll

    Filesize

    617KB

    MD5

    840d829dddf8d035522e4f3547f72799

    SHA1

    1f669f414a0935ef806bdb8a93d2755f00104519

    SHA256

    a8405b5162305f768093c227ad9ece6ddd74f6dfe17fd0878a4e64e61e125d42

    SHA512

    e447ed7f6bbaacd8523984bae1584f39c4c38e93abd43d4e25c8056143d3228a3993d7aab8fd92d2e6baf0157a1d8638a1254eed037f3eb64250b6ca586913c7

  • \Program Files (x86)\GoSave\RrI6XwK6ubMUn9.x64.dll

    Filesize

    697KB

    MD5

    09b1827343abfccf344d2b04268c1b87

    SHA1

    1c60bbd56c0b33be582c3dac053e9b28b94d588b

    SHA256

    a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

    SHA512

    cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

  • \Program Files (x86)\GoSave\RrI6XwK6ubMUn9.x64.dll

    Filesize

    697KB

    MD5

    09b1827343abfccf344d2b04268c1b87

    SHA1

    1c60bbd56c0b33be582c3dac053e9b28b94d588b

    SHA256

    a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

    SHA512

    cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

  • \Users\Admin\AppData\Local\Temp\7zSA842.tmp\GRo86BRJsLTRP0E.exe

    Filesize

    634KB

    MD5

    39bca0c0295e43a1d256f93c4bc41a7d

    SHA1

    163629228f4ad397c594ae4acc1162d2990f7d5f

    SHA256

    2e46c5d7d549885057d92525f35b60a19cb428600a397245e5f6ce0238b5e1cd

    SHA512

    e16570bea11aa8680f4e547f099e8c099c1654e6a3060fca871a42dffb9e256811f5aa9bba9f00dc14b218ad32b56c916987b3a270893540a0992f832bcf2a4d

  • memory/684-77-0x0000000000000000-mapping.dmp

  • memory/684-78-0x000007FEFC421000-0x000007FEFC423000-memory.dmp

    Filesize

    8KB

  • memory/788-73-0x0000000000000000-mapping.dmp

  • memory/1684-54-0x0000000075B11000-0x0000000075B13000-memory.dmp

    Filesize

    8KB

  • memory/2012-56-0x0000000000000000-mapping.dmp