Analysis

  • max time kernel
    41s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 17:07

General

  • Target

    5ae35c5887dd93f3be68b5d4a757569fa3e899305a3710c580556358da55a66c.exe

  • Size

    2.1MB

  • MD5

    3ac207a1059b930e9005b496cd2224fd

  • SHA1

    2dfaabac2caeaaaf25325e116fc1662fce6ea05a

  • SHA256

    5ae35c5887dd93f3be68b5d4a757569fa3e899305a3710c580556358da55a66c

  • SHA512

    1b46fe6fb779679865b54af7f5bbc89abbaa93ca88c4eb413274b747b46c5d3e7ba26234ecc8898550b869b602f83508613eb3a2d8841cbfbf7043066f79e8f0

  • SSDEEP

    49152:h1OsIAxPqbaJ0CqWfTAeP20icuFMDoiXrBSdCIlE05XwjXr3q:h1OLAxib7CqWfTAeP2vaDhtSdph

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\5ae35c5887dd93f3be68b5d4a757569fa3e899305a3710c580556358da55a66c.exe
    "C:\Users\Admin\AppData\Local\Temp\5ae35c5887dd93f3be68b5d4a757569fa3e899305a3710c580556358da55a66c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1752
    • C:\Users\Admin\AppData\Local\Temp\7zS428D.tmp\dzyptwTXgG574In.exe
      .\dzyptwTXgG574In.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:1720
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\fxO8OUbwsUZcae.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1636
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\fxO8OUbwsUZcae.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:1424

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\GoSave\fxO8OUbwsUZcae.dat

    Filesize

    6KB

    MD5

    e51539682b4635b379f5a7888851aded

    SHA1

    5bbc3918683fbdcfe78e3766fec5c966395a0fbd

    SHA256

    eeabf17ba3a7aa1625bc4d5205f4876c139f1670349f0cb15768afaded69dc47

    SHA512

    6cf8a7d7e20dd13b9091c5196389fd4dc42c7c2b7273fed568114ec27c6517340c3484807049c8f23e1629f9fbaad09757f72d2e786d17eba7532aedffef9e51

  • C:\Program Files (x86)\GoSave\fxO8OUbwsUZcae.x64.dll

    Filesize

    697KB

    MD5

    09b1827343abfccf344d2b04268c1b87

    SHA1

    1c60bbd56c0b33be582c3dac053e9b28b94d588b

    SHA256

    a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

    SHA512

    cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

  • C:\Users\Admin\AppData\Local\Temp\7zS428D.tmp\dzyptwTXgG574In.dat

    Filesize

    6KB

    MD5

    e51539682b4635b379f5a7888851aded

    SHA1

    5bbc3918683fbdcfe78e3766fec5c966395a0fbd

    SHA256

    eeabf17ba3a7aa1625bc4d5205f4876c139f1670349f0cb15768afaded69dc47

    SHA512

    6cf8a7d7e20dd13b9091c5196389fd4dc42c7c2b7273fed568114ec27c6517340c3484807049c8f23e1629f9fbaad09757f72d2e786d17eba7532aedffef9e51

  • C:\Users\Admin\AppData\Local\Temp\7zS428D.tmp\dzyptwTXgG574In.exe

    Filesize

    634KB

    MD5

    39bca0c0295e43a1d256f93c4bc41a7d

    SHA1

    163629228f4ad397c594ae4acc1162d2990f7d5f

    SHA256

    2e46c5d7d549885057d92525f35b60a19cb428600a397245e5f6ce0238b5e1cd

    SHA512

    e16570bea11aa8680f4e547f099e8c099c1654e6a3060fca871a42dffb9e256811f5aa9bba9f00dc14b218ad32b56c916987b3a270893540a0992f832bcf2a4d

  • C:\Users\Admin\AppData\Local\Temp\7zS428D.tmp\dzyptwTXgG574In.exe

    Filesize

    634KB

    MD5

    39bca0c0295e43a1d256f93c4bc41a7d

    SHA1

    163629228f4ad397c594ae4acc1162d2990f7d5f

    SHA256

    2e46c5d7d549885057d92525f35b60a19cb428600a397245e5f6ce0238b5e1cd

    SHA512

    e16570bea11aa8680f4e547f099e8c099c1654e6a3060fca871a42dffb9e256811f5aa9bba9f00dc14b218ad32b56c916987b3a270893540a0992f832bcf2a4d

  • C:\Users\Admin\AppData\Local\Temp\7zS428D.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS428D.tmp\[email protected]\chrome.manifest

    Filesize

    35B

    MD5

    9bab56c407e26a3e231955ec415b9bf2

    SHA1

    3d92bdfd5554d6b0043b4862a438cc8715638dcd

    SHA256

    ddda8d403f9ac7c93a530841e54f674c3ed927d2c97837b712e22510136a30ec

    SHA512

    3acfb77b0cc2ff08684f22f8393b29282d4d85f335b9b607128015ecc3fe635168f23e52a6b91ffb68748b356d720aeca6da6a8aab10c5a64d0980d1f116c430

  • C:\Users\Admin\AppData\Local\Temp\7zS428D.tmp\[email protected]\content\bg.js

    Filesize

    7KB

    MD5

    1ae2a347eba5a2a436b5fde5181a87f2

    SHA1

    0a04674a730850b5bb14ca5ef2ef062adad573d0

    SHA256

    9f78fc9c64dc33747e60080e599a6f15b1d326cec1e9c55fb7b75bcac0166981

    SHA512

    c2ff07032be17d2d72dfe98f98244467922d49a3b72af739d17cd797bce97cc47cf27d9ae7f17b0fd5d6d9cbd1b858ad50baf229ac1767e173ea38b30e001f8e

  • C:\Users\Admin\AppData\Local\Temp\7zS428D.tmp\[email protected]\install.rdf

    Filesize

    598B

    MD5

    fb9e459da299d448b90adceb5f94a0ee

    SHA1

    bd63fa6a28e63797a69e0a7642576ae9b94756ed

    SHA256

    dca9eb79b40f6e61e39ab4534ee24bd9232ba16ed171d90190b935b858ad0cb7

    SHA512

    c598b6b27a5a205c79b333a0844c740643c9de1d537e6c41e432c0b02a730ec80ef95e53e520a580423731ecd81b2e8c2b08ff8a3347212f286430c4444f57cd

  • C:\Users\Admin\AppData\Local\Temp\7zS428D.tmp\fxO8OUbwsUZcae.dll

    Filesize

    617KB

    MD5

    840d829dddf8d035522e4f3547f72799

    SHA1

    1f669f414a0935ef806bdb8a93d2755f00104519

    SHA256

    a8405b5162305f768093c227ad9ece6ddd74f6dfe17fd0878a4e64e61e125d42

    SHA512

    e447ed7f6bbaacd8523984bae1584f39c4c38e93abd43d4e25c8056143d3228a3993d7aab8fd92d2e6baf0157a1d8638a1254eed037f3eb64250b6ca586913c7

  • C:\Users\Admin\AppData\Local\Temp\7zS428D.tmp\fxO8OUbwsUZcae.tlb

    Filesize

    3KB

    MD5

    6fb4d3c40d62e1e378e92280f2cd93a4

    SHA1

    cdcd20abfab5c8f24b0bf2e24b43930a33b4d147

    SHA256

    ffe3ee2134494c6e175cf01e0fc518402384a1f79a46a37f441e6e3c74183983

    SHA512

    960ecc2ce3d9ee0a828780d0770a4966211a55c8587e36b460c3c5d2bf7a338bd538c13bb07e93b647b5c1056fc0c14f90cf59a4b13508350922cda38ab6538d

  • C:\Users\Admin\AppData\Local\Temp\7zS428D.tmp\fxO8OUbwsUZcae.x64.dll

    Filesize

    697KB

    MD5

    09b1827343abfccf344d2b04268c1b87

    SHA1

    1c60bbd56c0b33be582c3dac053e9b28b94d588b

    SHA256

    a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

    SHA512

    cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

  • C:\Users\Admin\AppData\Local\Temp\7zS428D.tmp\penekkmpmjeafdogbdfjldafgkofaoan\background.html

    Filesize

    138B

    MD5

    6b80ce55441b27baca57bd6d618243c0

    SHA1

    44f05e6f84945e4aba53b08df8e347f35885395d

    SHA256

    11af5e17927527e0b163f6a6e85d359810af251873a36d18ccb61d9e618d1bd5

    SHA512

    3f9aa21cb51f18e81e381dca0c0e4d8163ff52aa4cc767a106587b421e19569717040c57a775f41010a043d2b9722ca00d5514b082e6e2101d0134c473b4c7c0

  • C:\Users\Admin\AppData\Local\Temp\7zS428D.tmp\penekkmpmjeafdogbdfjldafgkofaoan\content.js

    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS428D.tmp\penekkmpmjeafdogbdfjldafgkofaoan\l.js

    Filesize

    5KB

    MD5

    49995a629d15100dc44a7c36e8b5e1f2

    SHA1

    12b84dcbb91a67b8756bebd11d396ce2688245ca

    SHA256

    b3171943c42eb95d9d98bde0fa3ec69ff4d8fdc7bd959b58dbf96197348f77f6

    SHA512

    e24622b268319799d680c236be39018c9f46369f0ae52f2b510aef2c267fdc56ead65ef90899e0113c87cc47bfd191ec459028979a203c0f5d13de915eb3c1c0

  • C:\Users\Admin\AppData\Local\Temp\7zS428D.tmp\penekkmpmjeafdogbdfjldafgkofaoan\lsdb.js

    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS428D.tmp\penekkmpmjeafdogbdfjldafgkofaoan\manifest.json

    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • \Program Files (x86)\GoSave\fxO8OUbwsUZcae.dll

    Filesize

    617KB

    MD5

    840d829dddf8d035522e4f3547f72799

    SHA1

    1f669f414a0935ef806bdb8a93d2755f00104519

    SHA256

    a8405b5162305f768093c227ad9ece6ddd74f6dfe17fd0878a4e64e61e125d42

    SHA512

    e447ed7f6bbaacd8523984bae1584f39c4c38e93abd43d4e25c8056143d3228a3993d7aab8fd92d2e6baf0157a1d8638a1254eed037f3eb64250b6ca586913c7

  • \Program Files (x86)\GoSave\fxO8OUbwsUZcae.x64.dll

    Filesize

    697KB

    MD5

    09b1827343abfccf344d2b04268c1b87

    SHA1

    1c60bbd56c0b33be582c3dac053e9b28b94d588b

    SHA256

    a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

    SHA512

    cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

  • \Program Files (x86)\GoSave\fxO8OUbwsUZcae.x64.dll

    Filesize

    697KB

    MD5

    09b1827343abfccf344d2b04268c1b87

    SHA1

    1c60bbd56c0b33be582c3dac053e9b28b94d588b

    SHA256

    a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

    SHA512

    cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

  • \Users\Admin\AppData\Local\Temp\7zS428D.tmp\dzyptwTXgG574In.exe

    Filesize

    634KB

    MD5

    39bca0c0295e43a1d256f93c4bc41a7d

    SHA1

    163629228f4ad397c594ae4acc1162d2990f7d5f

    SHA256

    2e46c5d7d549885057d92525f35b60a19cb428600a397245e5f6ce0238b5e1cd

    SHA512

    e16570bea11aa8680f4e547f099e8c099c1654e6a3060fca871a42dffb9e256811f5aa9bba9f00dc14b218ad32b56c916987b3a270893540a0992f832bcf2a4d

  • memory/1424-77-0x0000000000000000-mapping.dmp

  • memory/1424-78-0x000007FEFBC41000-0x000007FEFBC43000-memory.dmp

    Filesize

    8KB

  • memory/1636-73-0x0000000000000000-mapping.dmp

  • memory/1720-56-0x0000000000000000-mapping.dmp

  • memory/1752-54-0x0000000075931000-0x0000000075933000-memory.dmp

    Filesize

    8KB