Analysis

  • max time kernel
    39s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 16:31

General

  • Target

    fc77b693aca630735f25af72493d8f466d80f831f547301e72db814830932b36.exe

  • Size

    2.5MB

  • MD5

    24795065d21c334060c1362b3e5cabc0

  • SHA1

    8099c6a2def010c02257c60826446ee199270137

  • SHA256

    fc77b693aca630735f25af72493d8f466d80f831f547301e72db814830932b36

  • SHA512

    e605a050d5d00d162f1ac17184c3f7ecf117f1fce93fcd25ef72830f2fe991b02e3c6ad975294475dacc53fc8b4e3659e31f9d23f34465ade78def6ace35b9e9

  • SSDEEP

    49152:h1OsiPHVmVhYwiLtKkKyW4nFU0I+NP/f7I3lMOaYjdxvL0H+:h1OtHVl71RnFXINxvj

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 System32 directory 4 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fc77b693aca630735f25af72493d8f466d80f831f547301e72db814830932b36.exe
    "C:\Users\Admin\AppData\Local\Temp\fc77b693aca630735f25af72493d8f466d80f831f547301e72db814830932b36.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Users\Admin\AppData\Local\Temp\7zS9FD9.tmp\W4dgpDppK95QheH.exe
      .\W4dgpDppK95QheH.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:1364
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\cLchPzBqKjWjR1.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1496
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\cLchPzBqKjWjR1.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:584

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\GoSave\cLchPzBqKjWjR1.dat

    Filesize

    7KB

    MD5

    c9e487d84473872499c3d81e6e33e7eb

    SHA1

    98bf3a70ce83da425fd5a60b5546c6d60b53c802

    SHA256

    0e501d938f1898c1232478f69413695450c35ba2782bca2ea3ec3b37e13ce5c0

    SHA512

    198c362a67e67d98218900d82a97f0964bcd69b3abb054a70c99d62ffbd7818b2e693fce728dabe4cd1a01f68334f69c3a74fbf20b9825d6891b4f232118557f

  • C:\Program Files (x86)\GoSave\cLchPzBqKjWjR1.x64.dll

    Filesize

    885KB

    MD5

    1a6b1013f17c1cdc6e98f82cd2568ea8

    SHA1

    c96e7bdba616743a5c05b08a342d89ed102376b0

    SHA256

    fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

    SHA512

    10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

  • C:\Users\Admin\AppData\Local\Temp\7zS9FD9.tmp\W4dgpDppK95QheH.dat

    Filesize

    7KB

    MD5

    c9e487d84473872499c3d81e6e33e7eb

    SHA1

    98bf3a70ce83da425fd5a60b5546c6d60b53c802

    SHA256

    0e501d938f1898c1232478f69413695450c35ba2782bca2ea3ec3b37e13ce5c0

    SHA512

    198c362a67e67d98218900d82a97f0964bcd69b3abb054a70c99d62ffbd7818b2e693fce728dabe4cd1a01f68334f69c3a74fbf20b9825d6891b4f232118557f

  • C:\Users\Admin\AppData\Local\Temp\7zS9FD9.tmp\W4dgpDppK95QheH.exe

    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • C:\Users\Admin\AppData\Local\Temp\7zS9FD9.tmp\W4dgpDppK95QheH.exe

    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • C:\Users\Admin\AppData\Local\Temp\7zS9FD9.tmp\cLchPzBqKjWjR1.dll

    Filesize

    747KB

    MD5

    d949da968ea04ac3a7ddf0e300bb32be

    SHA1

    581d7d799c538b8e9e578cf57c420fb802d5a201

    SHA256

    5c4756451acf8622efa75639f9131ca8215c165e2ef21cc1ab7f8fee77db462b

    SHA512

    fd00e332af52646425f0d4032bb1bbfc85a44ff274bcf212f1264a29be546db4c1ceab7da32c70248a6baa2c55d2dff47dcb2ac441c783a1d9d1260c4685eb7e

  • C:\Users\Admin\AppData\Local\Temp\7zS9FD9.tmp\cLchPzBqKjWjR1.tlb

    Filesize

    3KB

    MD5

    5b503f1b4056c3d4fbf2d03f88e1adfe

    SHA1

    c8d659ea27bf0ca0bbfd46865d5796589bf9ef68

    SHA256

    231ef0fef77ab6c7fea053f64a9ce7f9e21646b868bfe391962262fc15c9bb6c

    SHA512

    229207201368d9674258389df19132070390f913aa5cc21b7567c515be5f5e0f07cdaa460d497ae355f27f00f7fc75538783d8890f6c9c0e861a7ecb8f520bdb

  • C:\Users\Admin\AppData\Local\Temp\7zS9FD9.tmp\cLchPzBqKjWjR1.x64.dll

    Filesize

    885KB

    MD5

    1a6b1013f17c1cdc6e98f82cd2568ea8

    SHA1

    c96e7bdba616743a5c05b08a342d89ed102376b0

    SHA256

    fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

    SHA512

    10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

  • C:\Users\Admin\AppData\Local\Temp\7zS9FD9.tmp\fdiiddccpbhbjoiicjlegbkikmbindhp\background.html

    Filesize

    138B

    MD5

    e610c64fcaf46c1f10309b2165f49370

    SHA1

    76168e031e1d07d2d52630bf76bc4907c6bbc9ae

    SHA256

    b31e69345000bb479ddcb3ca8005ee5f81636e82211e5028613ec0baae6f046f

    SHA512

    7d0a7933b4e5be05cf9a6476498051dbfba61be13e7fedc4d8fb694193c3045dc6564c5d607d63bfe657cedc6a0e86ff31317b9eb7492d34ef5aa9054d2374a1

  • C:\Users\Admin\AppData\Local\Temp\7zS9FD9.tmp\fdiiddccpbhbjoiicjlegbkikmbindhp\content.js

    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS9FD9.tmp\fdiiddccpbhbjoiicjlegbkikmbindhp\lsdb.js

    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS9FD9.tmp\fdiiddccpbhbjoiicjlegbkikmbindhp\manifest.json

    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zS9FD9.tmp\fdiiddccpbhbjoiicjlegbkikmbindhp\q.js

    Filesize

    6KB

    MD5

    38b0d835ae6d2b1874a620aa79913aea

    SHA1

    eacd74d34ac2760b5bba554a57ed9ae058732b19

    SHA256

    af02b283ba3b26a51c36ae9f2f77577b0de13d6493e850e69bc6be3502a7e3f9

    SHA512

    6e49beecedcd04eef01bf6349220958862cedc67fa55acb26de88fc9aeeaeeddd17a23e9415bb1c702e621c8f1adc04e1d2a8063a7c3f5ebe605ab60ddd04882

  • C:\Users\Admin\AppData\Local\Temp\7zS9FD9.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS9FD9.tmp\[email protected]\chrome.manifest

    Filesize

    35B

    MD5

    df3f99774308153e3b5509ace969734e

    SHA1

    50efb48a7ee197f95d89a1ad46bb290017b0d96b

    SHA256

    5bcd0a93e635ea7fd85aeb14d796a054e6fd2e0254619186b3b25565ee5fe360

    SHA512

    1aad2174d865648e4d6fd48cb21bb786bb35d0822d834a2ea497d18e8f905c2eb5d8d16bc7be4abf0ed798511c1db61f7497c57f3c1202a2cfa3d97ddb8e4a94

  • C:\Users\Admin\AppData\Local\Temp\7zS9FD9.tmp\[email protected]\content\bg.js

    Filesize

    8KB

    MD5

    564c7281d30f328accbfc306045b3580

    SHA1

    93685fc588b597974bff1fedb56a904b9b4b8d69

    SHA256

    00db516e3f3f210a5db0717bb7d14009f90bf63cb11d7c5a65cacdd89ac035c4

    SHA512

    c9aaef00fdd8d335eaaecf0d9f92bcfbbe342df98ec4ff9f8a0323d6f5c319fd755c40f11b0852efd8726ec880b0372ac03839d80efeb205d55b68bca021daf6

  • C:\Users\Admin\AppData\Local\Temp\7zS9FD9.tmp\[email protected]\install.rdf

    Filesize

    591B

    MD5

    73932adfd4c277ca2b1d485e0ed2614b

    SHA1

    d0cbce893072b3c0de57ad432aa970b75bc0213f

    SHA256

    3023b7fae5d614f7a37679c3986108649658d069434f605ce99e232f742e923a

    SHA512

    068439cb1503afccc8077d862ad879f5f177867d7c6faca297e5185fa41c8c9f1ddb565a47ff95a53eb9dee1a1540f1c30f212a25dc1f5f1e006a6475554e6ab

  • \Program Files (x86)\GoSave\cLchPzBqKjWjR1.dll

    Filesize

    747KB

    MD5

    d949da968ea04ac3a7ddf0e300bb32be

    SHA1

    581d7d799c538b8e9e578cf57c420fb802d5a201

    SHA256

    5c4756451acf8622efa75639f9131ca8215c165e2ef21cc1ab7f8fee77db462b

    SHA512

    fd00e332af52646425f0d4032bb1bbfc85a44ff274bcf212f1264a29be546db4c1ceab7da32c70248a6baa2c55d2dff47dcb2ac441c783a1d9d1260c4685eb7e

  • \Program Files (x86)\GoSave\cLchPzBqKjWjR1.x64.dll

    Filesize

    885KB

    MD5

    1a6b1013f17c1cdc6e98f82cd2568ea8

    SHA1

    c96e7bdba616743a5c05b08a342d89ed102376b0

    SHA256

    fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

    SHA512

    10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

  • \Program Files (x86)\GoSave\cLchPzBqKjWjR1.x64.dll

    Filesize

    885KB

    MD5

    1a6b1013f17c1cdc6e98f82cd2568ea8

    SHA1

    c96e7bdba616743a5c05b08a342d89ed102376b0

    SHA256

    fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

    SHA512

    10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

  • \Users\Admin\AppData\Local\Temp\7zS9FD9.tmp\W4dgpDppK95QheH.exe

    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • memory/584-77-0x0000000000000000-mapping.dmp

  • memory/584-78-0x000007FEFC2B1000-0x000007FEFC2B3000-memory.dmp

    Filesize

    8KB

  • memory/1364-56-0x0000000000000000-mapping.dmp

  • memory/1496-73-0x0000000000000000-mapping.dmp

  • memory/2012-54-0x0000000076AE1000-0x0000000076AE3000-memory.dmp

    Filesize

    8KB