Analysis

  • max time kernel
    41s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 19:41

General

  • Target

    c2b2f8fb4b95deced2d362b67f0d3a813a1f077deb7a3b85334cb0d021211c46.exe

  • Size

    2.5MB

  • MD5

    8a7f4aa87efc55b73a513c5d2d73cea2

  • SHA1

    087dfd9d47909722503c0cf74f87f926b3bcb5ab

  • SHA256

    c2b2f8fb4b95deced2d362b67f0d3a813a1f077deb7a3b85334cb0d021211c46

  • SHA512

    61eaa9a98ca40098937dade00b7a9100369b0270ec1c3d73bded6f1ba220e965e393f2891e95d22e3d588c176000658f911191875eb87ff202f19ea16f5bd228

  • SSDEEP

    49152:h1OskyDFXmj+BHBALGk7GNIgSDjjQkzYznJKOZaB/Isx4:h1OT0JSqALGkqaDj74

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\c2b2f8fb4b95deced2d362b67f0d3a813a1f077deb7a3b85334cb0d021211c46.exe
    "C:\Users\Admin\AppData\Local\Temp\c2b2f8fb4b95deced2d362b67f0d3a813a1f077deb7a3b85334cb0d021211c46.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Users\Admin\AppData\Local\Temp\7zS867F.tmp\KEuIkriwkNPa23q.exe
      .\KEuIkriwkNPa23q.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:1676
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\0mr8UtJ6NckVY9.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:376
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\0mr8UtJ6NckVY9.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:760

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)\GoSave\0mr8UtJ6NckVY9.dat
    Filesize

    6KB

    MD5

    9df1115a65ae3284704e50d91979ed02

    SHA1

    4e3fbeaed62fe4bd40bbedea04f60766467211e5

    SHA256

    1866b822c1ab7910051f0e91b0565dc2f1cb3972d85b1d38fe38641b1dfba5c2

    SHA512

    4c836ad793aad2e2e337faae21ddd134676a7919e3652e3800342aa9783833c4c2bd6750a9bc3b7b5f5237f75f80e81051229de4cc1518a578d9ac7631565969

  • C:\Program Files (x86)\GoSave\0mr8UtJ6NckVY9.x64.dll
    Filesize

    886KB

    MD5

    eadda36c5638e64e055ca60e50caf427

    SHA1

    822ae0491b2897790cb3e10920836e2ea40696e1

    SHA256

    419d87b1e4cfdb1e6fc4bbaa8c05bdeec5bb2c1afe87544fe78aa875013a9cff

    SHA512

    60fc2b64a30a972adfa94cfdd308887c590a8c15bc90b0a55692a860c6ca15cfe3fc7237102d7860bfd65764d479d37e62f0b09f94b4e3c76463821c6148cbb2

  • C:\Users\Admin\AppData\Local\Temp\7zS867F.tmp\0mr8UtJ6NckVY9.dll
    Filesize

    749KB

    MD5

    05636af3aa9a36a4a1df7560231b520c

    SHA1

    94b0fb3246f9d757a44cc80401bab6720f7f5fb3

    SHA256

    2c8c222a335b7872c49a0a0185d5cbf29481c8364e1d5d822afa532cfa77ee10

    SHA512

    e8d8e47faf9d357cfae6c8e515426787111b2c4602390d7cc1eda04485a436ca7013c89061887fe45da2566c5dd2e1e04599af270062379b37444985d1f1d07c

  • C:\Users\Admin\AppData\Local\Temp\7zS867F.tmp\0mr8UtJ6NckVY9.tlb
    Filesize

    3KB

    MD5

    aafd1d71b2778cd2369e1a2d7e7166d1

    SHA1

    f6505a389d7e2be9d3ccc3ea4e052abc338fcbb5

    SHA256

    b3772533d10176e84e6b87269bb0ab4dd783f34baa17eb2a7ad42078a2203e1c

    SHA512

    df4ef691872946fb4bfebc6ce3699f56fc4c5846c1a8de6b16296717ef4f41b8e5b32c43e8dd56fe46731a91da93684889e78d42a92fa37eb38622d1d71353a0

  • C:\Users\Admin\AppData\Local\Temp\7zS867F.tmp\0mr8UtJ6NckVY9.x64.dll
    Filesize

    886KB

    MD5

    eadda36c5638e64e055ca60e50caf427

    SHA1

    822ae0491b2897790cb3e10920836e2ea40696e1

    SHA256

    419d87b1e4cfdb1e6fc4bbaa8c05bdeec5bb2c1afe87544fe78aa875013a9cff

    SHA512

    60fc2b64a30a972adfa94cfdd308887c590a8c15bc90b0a55692a860c6ca15cfe3fc7237102d7860bfd65764d479d37e62f0b09f94b4e3c76463821c6148cbb2

  • C:\Users\Admin\AppData\Local\Temp\7zS867F.tmp\KEuIkriwkNPa23q.dat
    Filesize

    6KB

    MD5

    9df1115a65ae3284704e50d91979ed02

    SHA1

    4e3fbeaed62fe4bd40bbedea04f60766467211e5

    SHA256

    1866b822c1ab7910051f0e91b0565dc2f1cb3972d85b1d38fe38641b1dfba5c2

    SHA512

    4c836ad793aad2e2e337faae21ddd134676a7919e3652e3800342aa9783833c4c2bd6750a9bc3b7b5f5237f75f80e81051229de4cc1518a578d9ac7631565969

  • C:\Users\Admin\AppData\Local\Temp\7zS867F.tmp\KEuIkriwkNPa23q.exe
    Filesize

    769KB

    MD5

    926d03f373e2f0d6ecf16e30c941ad60

    SHA1

    b5caf80c04b62525774f66262ce6b1ebeaa19315

    SHA256

    b14f3bb56383bbb14a4341fd60674a9fc62505a69413ec25b9ff8dade8c63847

    SHA512

    6aa4ade944470239569b56f7556df747c92218051a540e4d86006510cdee374718c7facc0f6089b5027b08aa728fc98538799d65343aef608ed91a704105a4a0

  • C:\Users\Admin\AppData\Local\Temp\7zS867F.tmp\KEuIkriwkNPa23q.exe
    Filesize

    769KB

    MD5

    926d03f373e2f0d6ecf16e30c941ad60

    SHA1

    b5caf80c04b62525774f66262ce6b1ebeaa19315

    SHA256

    b14f3bb56383bbb14a4341fd60674a9fc62505a69413ec25b9ff8dade8c63847

    SHA512

    6aa4ade944470239569b56f7556df747c92218051a540e4d86006510cdee374718c7facc0f6089b5027b08aa728fc98538799d65343aef608ed91a704105a4a0

  • C:\Users\Admin\AppData\Local\Temp\7zS867F.tmp\M@Q.co.uk\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS867F.tmp\M@Q.co.uk\chrome.manifest
    Filesize

    35B

    MD5

    1fc241973ff8684d818410ffb708a69a

    SHA1

    9d1d1c170c2832c037f8264db08fd02eedd76a57

    SHA256

    284c7c1c0feb40a3803d17b8460aec6c7880802c6ca5aa1c3b8f7a29d5efec04

    SHA512

    6d379e895eac2cc70e009a76e9f450f644228bfc0d5a4e746c6f51aa2f6b073e270530a7f4e83ebd1810d712ae7ed6d3b34aa7a0462c9007cb5c20bebd60409d

  • C:\Users\Admin\AppData\Local\Temp\7zS867F.tmp\M@Q.co.uk\content\bg.js
    Filesize

    7KB

    MD5

    52b182d3441dd2c26633223534110cd7

    SHA1

    979e079af7ec405e995e19bb5fc48ca21f039eca

    SHA256

    03cf2fae012b7976335aec67a1762021a195026d38e9d38a498fa1b86130a7f7

    SHA512

    923cfe0c7b53bb102c7136bbbc080f3cb7bd86d2ee895e04978c8029882f4151a661e16c189a58423555c5a8f1b4e503078aa8e3aff10612dea72d3d74ad3690

  • C:\Users\Admin\AppData\Local\Temp\7zS867F.tmp\M@Q.co.uk\install.rdf
    Filesize

    591B

    MD5

    6921d774828f3ed09531a44e93eb06a0

    SHA1

    c88167171cbad02ab254ce2c571292695ffab75b

    SHA256

    0d5ab939ca0b853ac6721cbbb5886d00ae508ba4e1572271d6e10e1dfee65c24

    SHA512

    2fa8c714f83d992b7b10f6378e43f023fa24e93dd8e9fad5b9d6162768ce7d0d8a6a092d1609b0d9e7f4f5e6f74c3f04ff248cd1187dad30c6c439c14c55bfb7

  • C:\Users\Admin\AppData\Local\Temp\7zS867F.tmp\ohanlidlfjnnjikjbimmmanlaioeloka\background.html
    Filesize

    145B

    MD5

    e9948aa49830d35ad500e3dce3719bd0

    SHA1

    f6d9a3646c1dce82c4ef47d21af7a184c8a772d6

    SHA256

    c26634e9f3b19a20b83fbfdd14325ef00f34734a051d53cc54b1a6a80d56c429

    SHA512

    c677440349fd7469f1c5b0b0916f96e2c2519c8d40d352a5c6491d8683756b2dbd877b1527dd66141f73e9aea75b97f14132808051e30f02059a8182cee70c8d

  • C:\Users\Admin\AppData\Local\Temp\7zS867F.tmp\ohanlidlfjnnjikjbimmmanlaioeloka\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS867F.tmp\ohanlidlfjnnjikjbimmmanlaioeloka\gJxMeuam.js
    Filesize

    5KB

    MD5

    1fd5082324ede681ab967cecda6063a3

    SHA1

    14b483f3f319f71ac0249ebdfcdf1ba6b1332a3d

    SHA256

    a02c09be98caf42da9034d9b331f9ed4aad1ef1646ad47b9d8ca450e779f8c1d

    SHA512

    e19fbfbd65def3a9e0e4a668c5c78c7027b2418a195ba09b3c2560defab8ab122500ef94c6217f796f9bc5ff09203b6fd883753b6f63a98feb807edbd86b8034

  • C:\Users\Admin\AppData\Local\Temp\7zS867F.tmp\ohanlidlfjnnjikjbimmmanlaioeloka\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS867F.tmp\ohanlidlfjnnjikjbimmmanlaioeloka\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • \Program Files (x86)\GoSave\0mr8UtJ6NckVY9.dll
    Filesize

    749KB

    MD5

    05636af3aa9a36a4a1df7560231b520c

    SHA1

    94b0fb3246f9d757a44cc80401bab6720f7f5fb3

    SHA256

    2c8c222a335b7872c49a0a0185d5cbf29481c8364e1d5d822afa532cfa77ee10

    SHA512

    e8d8e47faf9d357cfae6c8e515426787111b2c4602390d7cc1eda04485a436ca7013c89061887fe45da2566c5dd2e1e04599af270062379b37444985d1f1d07c

  • \Program Files (x86)\GoSave\0mr8UtJ6NckVY9.x64.dll
    Filesize

    886KB

    MD5

    eadda36c5638e64e055ca60e50caf427

    SHA1

    822ae0491b2897790cb3e10920836e2ea40696e1

    SHA256

    419d87b1e4cfdb1e6fc4bbaa8c05bdeec5bb2c1afe87544fe78aa875013a9cff

    SHA512

    60fc2b64a30a972adfa94cfdd308887c590a8c15bc90b0a55692a860c6ca15cfe3fc7237102d7860bfd65764d479d37e62f0b09f94b4e3c76463821c6148cbb2

  • \Program Files (x86)\GoSave\0mr8UtJ6NckVY9.x64.dll
    Filesize

    886KB

    MD5

    eadda36c5638e64e055ca60e50caf427

    SHA1

    822ae0491b2897790cb3e10920836e2ea40696e1

    SHA256

    419d87b1e4cfdb1e6fc4bbaa8c05bdeec5bb2c1afe87544fe78aa875013a9cff

    SHA512

    60fc2b64a30a972adfa94cfdd308887c590a8c15bc90b0a55692a860c6ca15cfe3fc7237102d7860bfd65764d479d37e62f0b09f94b4e3c76463821c6148cbb2

  • \Users\Admin\AppData\Local\Temp\7zS867F.tmp\KEuIkriwkNPa23q.exe
    Filesize

    769KB

    MD5

    926d03f373e2f0d6ecf16e30c941ad60

    SHA1

    b5caf80c04b62525774f66262ce6b1ebeaa19315

    SHA256

    b14f3bb56383bbb14a4341fd60674a9fc62505a69413ec25b9ff8dade8c63847

    SHA512

    6aa4ade944470239569b56f7556df747c92218051a540e4d86006510cdee374718c7facc0f6089b5027b08aa728fc98538799d65343aef608ed91a704105a4a0

  • memory/376-73-0x0000000000000000-mapping.dmp
  • memory/760-78-0x0000000000000000-mapping.dmp
  • memory/760-79-0x000007FEFB7B1000-0x000007FEFB7B3000-memory.dmp
    Filesize

    8KB

  • memory/1612-54-0x0000000075C81000-0x0000000075C83000-memory.dmp
    Filesize

    8KB

  • memory/1676-56-0x0000000000000000-mapping.dmp