Analysis

  • max time kernel
    5s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 21:15

General

  • Target

    a54e51eb70744943395b356eb249d18fcc023b108eeb07da28d256576581a29c.exe

  • Size

    931KB

  • MD5

    4539d633c1ae3f7128a02c41968eeffa

  • SHA1

    4ec69668cc6e337aefc5490ed69933afcf952731

  • SHA256

    a54e51eb70744943395b356eb249d18fcc023b108eeb07da28d256576581a29c

  • SHA512

    9041f85ce3002c5f67e230d41eff6dcd20d1e7c19735ab91e58a24e4f394e9d373735e2766ad03d42b7af016046c14a499d3762967b3ada1b73fba074a514197

  • SSDEEP

    24576:h1OYdaO6CZ/iWCvu/2sWsJA/jlt+DHhsS:h1Os4CpYO/dJJDHhsS

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\a54e51eb70744943395b356eb249d18fcc023b108eeb07da28d256576581a29c.exe
    "C:\Users\Admin\AppData\Local\Temp\a54e51eb70744943395b356eb249d18fcc023b108eeb07da28d256576581a29c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:940
    • C:\Users\Admin\AppData\Local\Temp\7zS7678.tmp\lLJhxErD1O6COM2.exe
      .\lLJhxErD1O6COM2.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1140

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\7zS7678.tmp\bbefjefpdhnkfimidlfikdoklemfdjmm\background.html
    Filesize

    145B

    MD5

    930818d4eb4b01eb1c3baf76de9db4e8

    SHA1

    ec4b9c167e47f3833edca171c6c754b3d9dbf94d

    SHA256

    f59814e526c70f9541546e614deb372b38890655e5208c69fe7e5ee2971ed343

    SHA512

    7edf0aa36250d71aaa5fe60051542ca0580d60fdd3ab59b115ecb1d63063a767004af3a1622858d53b3abbf8635140003736fa2e40c6cc75d02ca6dda9c78cd7

  • C:\Users\Admin\AppData\Local\Temp\7zS7678.tmp\bbefjefpdhnkfimidlfikdoklemfdjmm\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS7678.tmp\bbefjefpdhnkfimidlfikdoklemfdjmm\j7zmCK37.js
    Filesize

    6KB

    MD5

    272b0734fda24b2d77b0f2fdf85b22dd

    SHA1

    2f2b5c3c167abcc38dec730b800ace6800e84f1f

    SHA256

    7d7e7b667d7ce69abf68e92f2edf3698f5666d148c93938e957ecb800d7621cc

    SHA512

    657fc6f6abb5fded9ca97134620a05fe2d248e8b113ebdd318bc63bece2051be26d746d467f49012c7efb9e2bd179406369b35fab0021de75ad5e464d5474ddc

  • C:\Users\Admin\AppData\Local\Temp\7zS7678.tmp\bbefjefpdhnkfimidlfikdoklemfdjmm\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS7678.tmp\bbefjefpdhnkfimidlfikdoklemfdjmm\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zS7678.tmp\lLJhxErD1O6COM2.dat
    Filesize

    1KB

    MD5

    437d1a0a5040ec65ec4fd30ad84c965d

    SHA1

    6ab8f288ff587347c8e2c97643810f6c2cdfabd3

    SHA256

    583f73ca0b828c8318c8359e9cde3a0484bf7ce4d0844fca6170eaf67bd554d2

    SHA512

    21653e4dac317e91d41e5f8dea5fc70a15bbf74b47c473eca5b7812d654532b32f05731ecc11c674ef608335a1605cd35eb272fa80548b50bca4f56736d880fa

  • C:\Users\Admin\AppData\Local\Temp\7zS7678.tmp\lLJhxErD1O6COM2.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • C:\Users\Admin\AppData\Local\Temp\7zS7678.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS7678.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    327d6cae06399244c1ba08b8c031e17d

    SHA1

    02854bb5b78c7aa49be7198b8b5d3f6b5d7f9a89

    SHA256

    5b381cc183cd65de251cbaab2bcf4a981ec1958e0c928b5312f159328a52d5bd

    SHA512

    949d69679d8ddf4b3032ec48e95f3e654dd2724e0510592d671d03fee3a35621e17a3e973f93cc54b4d60b7c5d92d8c17e0f1aef97c2317f811131382f726303

  • C:\Users\Admin\AppData\Local\Temp\7zS7678.tmp\[email protected]\content\bg.js
    Filesize

    8KB

    MD5

    641107c4a530ae1abbe2de5289603d90

    SHA1

    6849de6621abdeaea022646648ce8204b8d90288

    SHA256

    e9c133d63edace75e31544962f52cf71727b7d80655698fa41c741aeab83c947

    SHA512

    7de4dadc17e687c4f472cf2116794cda11f176f8f2b9ff4840f81180abe297982139b63924547e026de275d632c16a25d4f555eda70bd89d979488ea3b26e170

  • C:\Users\Admin\AppData\Local\Temp\7zS7678.tmp\[email protected]\install.rdf
    Filesize

    597B

    MD5

    87bcfa9db70556bc8ee1f3ddb7c9f4f0

    SHA1

    3bae5d153ea91d89ac738142e33189e8173bc6c5

    SHA256

    b4dd9a63b43c7198a443cebcbec9ee1c1d3d79b4fed574afa42367a2e720833c

    SHA512

    68946ab13c48d8b66be4343a22a82f6a3cac1c03854699145253ba03ee327fbee23e4c7c83be32aec0c8f887314eaaf9249ab7fbd04984a255e08f9025e45768

  • \Users\Admin\AppData\Local\Temp\7zS7678.tmp\lLJhxErD1O6COM2.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • memory/940-54-0x0000000074DE1000-0x0000000074DE3000-memory.dmp
    Filesize

    8KB

  • memory/1140-56-0x0000000000000000-mapping.dmp