Analysis

  • max time kernel
    31s
  • max time network
    82s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 19:39

General

  • Target

    c37a469dbfac8b9f55fc183ab433664fc76ee1f6d2db39b267152baaf6086e59.exe

  • Size

    920KB

  • MD5

    dc1a73fd9cb11527f17dfaf19664198b

  • SHA1

    4e3b17374c16730a51fe82199681630e5929d112

  • SHA256

    c37a469dbfac8b9f55fc183ab433664fc76ee1f6d2db39b267152baaf6086e59

  • SHA512

    d0a2e4607d20fd98fd293495711beba3d48a111f6d8fd608c0b19e78ee7ca5ec4e56bffd755b9fa3984b115ddef81fc51f579d3b9a935bcd181d5a7da0b4be94

  • SSDEEP

    24576:h1OYdaOFMtdHAqcdDVhYwiei7+EpFAh/kKI:h1OskPHVmVhYwiLtKkKI

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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
  • Drops file in System32 directory 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c37a469dbfac8b9f55fc183ab433664fc76ee1f6d2db39b267152baaf6086e59.exe
    "C:\Users\Admin\AppData\Local\Temp\c37a469dbfac8b9f55fc183ab433664fc76ee1f6d2db39b267152baaf6086e59.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1780
    • C:\Users\Admin\AppData\Local\Temp\7zSCFAF.tmp\3jpEuHirUZxySvx.exe
      .\3jpEuHirUZxySvx.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2016

Network

MITRE ATT&CK Matrix ATT&CK v6

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:\Users\Admin\AppData\Local\Temp\7zSCFAF.tmp\3jpEuHirUZxySvx.dat
    Filesize

    1KB

    MD5

    357b6d16cbd6bf056fd35191abcb622c

    SHA1

    f504749b2b52b69e648faf5c5e706fa37dc7d951

    SHA256

    41c56289ad381d8d1793d3d0b9c23107913c9f7a87ed606e3b668d1af133c55c

    SHA512

    6cca6990ea94e991821474f7008f867529f709604e5eb68592eea6990a71945f3619e2277b1ba5619ecbe6cbeab93be8a19f2159c41a3803833fcc288fe3e7bb

  • C:\Users\Admin\AppData\Local\Temp\7zSCFAF.tmp\3jpEuHirUZxySvx.exe
    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • C:\Users\Admin\AppData\Local\Temp\7zSCFAF.tmp\bfjnkljlooebodmopieehjmjhbgalodd\Wv0cluOor.js
    Filesize

    6KB

    MD5

    ae84da23e13506173b326bcd0ababf18

    SHA1

    7c29964df68a0ebae32fb057982d759ab9293480

    SHA256

    a78456e0ed2fba2fdef5450f29b71bd485c043ebe0a9c5a5eb97acdffba196e4

    SHA512

    f8123c8f5ac064abc1e442850f93b05afc8f925408242bf4d4f26adbe85147521d9f289ea2ec49f236a5f51282e809f0175c5dcae894f3a97a73b58e37455271

  • C:\Users\Admin\AppData\Local\Temp\7zSCFAF.tmp\bfjnkljlooebodmopieehjmjhbgalodd\background.html
    Filesize

    146B

    MD5

    73cd240a4eaae741662a2270d9fb0874

    SHA1

    a62433d9515d6efb83a508a1700b2bc344ac3bf0

    SHA256

    1bee8d04fa4378fa498dec634ad2c67bfceff89ab524f306c9229842ff2b5bf5

    SHA512

    3547ac3a6d8f7c5079053ad86989397c8fb606c8ddedb9071b483006985be06ef3cd82d3dc1eec7bbb08a27f678ec9a6f17a5149d86246025eda72a7ba01b102

  • C:\Users\Admin\AppData\Local\Temp\7zSCFAF.tmp\bfjnkljlooebodmopieehjmjhbgalodd\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zSCFAF.tmp\bfjnkljlooebodmopieehjmjhbgalodd\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zSCFAF.tmp\bfjnkljlooebodmopieehjmjhbgalodd\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zSCFAF.tmp\zFY@U0.net\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zSCFAF.tmp\zFY@U0.net\chrome.manifest
    Filesize

    35B

    MD5

    6ff6a14bf7ae23db4caac9ec76326dad

    SHA1

    c03080b22c18619dd634139c7d51204325d6e325

    SHA256

    3af95debf3433bd42aaef48c5df7f908640d28c5a6430aa38735a14713f909df

    SHA512

    36aefd2e4a5568af54fec41f560885d7d1f790d89a1ef6b11da61083ed9d9a52fde0a0293b0598a99d01e110993443a3c281b1313ed0df5a0eaa68608cb4e738

  • C:\Users\Admin\AppData\Local\Temp\7zSCFAF.tmp\zFY@U0.net\content\bg.js
    Filesize

    8KB

    MD5

    2a5f6e04eadf6ca7924ac61b82a2ad13

    SHA1

    1fd3d21c710e29f3c455bb4502beb6a65d6b7e24

    SHA256

    74f53ac07b125ac9aa74eb9d017eec5eb6f81688e8d683e3b43d657b75243f43

    SHA512

    f57148f4940e5d09d9749548d56a02f18c2d2eb8ce6ac02d6e484a4c8600127564d55fd300244ece9647c2c10408338669df9463327aa1b22380d4e6123db4aa

  • C:\Users\Admin\AppData\Local\Temp\7zSCFAF.tmp\zFY@U0.net\install.rdf
    Filesize

    592B

    MD5

    5e6489475b5df2cfd5b4356b81bd7fa2

    SHA1

    4b879a2ad4c1e5010bcf334c00392c6e11e908b7

    SHA256

    48aa65c588fd26866e5f75273fa9c65a702cacac90b24e10299bfeed9e72ba06

    SHA512

    eff4d0f6456dd91d49c471167f36a1bf900c58f950350b5ba80beaab169965d0234c554d7399930f342b210ec358882bb85ffaa9d683bb95fa8bfac54cc67fcf

  • \Users\Admin\AppData\Local\Temp\7zSCFAF.tmp\3jpEuHirUZxySvx.exe
    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • memory/1780-54-0x00000000761E1000-0x00000000761E3000-memory.dmp
    Filesize

    8KB

  • memory/2016-56-0x0000000000000000-mapping.dmp