Analysis

  • max time kernel
    3s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 19:36

General

  • Target

    c417261408aca2c15215c9db37df82354825ad8064731b55ff2faf1cd5ca6486.exe

  • Size

    920KB

  • MD5

    8a2e39cdf7b0cc09428a631caa9e33bf

  • SHA1

    c0de6c620dfa8eee3c15a19f70d568195f7b4495

  • SHA256

    c417261408aca2c15215c9db37df82354825ad8064731b55ff2faf1cd5ca6486

  • SHA512

    22c5750fdb01d4bb0b9e9a7b9299737ee51352fbf6ac78aae6aac46e02e36af888e1159f894c69d16be42ba0c3a1fb877df80f3bf5336e451de567c8695a24e0

  • SSDEEP

    24576:h1OYdaOkMtdHAqcdDVhYwiei7+EpFAh/kKA:h1OsFPHVmVhYwiLtKkKA

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\c417261408aca2c15215c9db37df82354825ad8064731b55ff2faf1cd5ca6486.exe
    "C:\Users\Admin\AppData\Local\Temp\c417261408aca2c15215c9db37df82354825ad8064731b55ff2faf1cd5ca6486.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1552
    • C:\Users\Admin\AppData\Local\Temp\7zSA239.tmp\VJKfgxxOfpOMjcu.exe
      .\VJKfgxxOfpOMjcu.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1800

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\7zSA239.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zSA239.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    3758d65237b966ef37038a6a8ac40de9

    SHA1

    1637f81ad027ce8064b565fb89719656069818f1

    SHA256

    69e1f208518a54d6cc2256e63e6399a0408262d4be2df5257407defa45dd147d

    SHA512

    97dbb1a86316c050a532d4ec1da0300947f0e11a91e2ab0588817b8f710840d06c6a8ff2a4ec62e50a8c54746f3b0d2515004a917c3ba158257babd432aed2c2

  • C:\Users\Admin\AppData\Local\Temp\7zSA239.tmp\[email protected]\content\bg.js
    Filesize

    8KB

    MD5

    578a3bab61f5cf481c1e476acf360dbb

    SHA1

    71d10a862609892b14a4d64c45d158b6bdf6d1fc

    SHA256

    7c855755ae16df74a06c02c2461d52795c5dbda294a6e62f027980cb1c8fb3c3

    SHA512

    7921c664e05c4ff5f839062c1e88787d0beba0561aea5984b8416e4acaae29229e66a908e74a9cc3d26664c266298116951b7415ea5941edda4d65d6da52cfb7

  • C:\Users\Admin\AppData\Local\Temp\7zSA239.tmp\[email protected]\install.rdf
    Filesize

    593B

    MD5

    1da45cee9dbfe2c55256f2069cee3a59

    SHA1

    665d5c4d34cbd0cdeea9dc2758ba57fa9a4f290c

    SHA256

    c2a35428771aa52295de230e1bd70471d12c49a54462b51000eb3a448ede5fd8

    SHA512

    70d21b6422f5feb8573b891878f0a70b38ca663ad12957a2b3ff323df9548eb8757559f2330e8a9aef55479edb61873fb88e333a4384be2a175a1b362f23e99d

  • C:\Users\Admin\AppData\Local\Temp\7zSA239.tmp\VJKfgxxOfpOMjcu.dat
    Filesize

    1KB

    MD5

    3a050adf1e8f04a9bb4da4ea692a2e71

    SHA1

    fccdb5d58b01ed1e1713ed428d122f3d88bb4cfb

    SHA256

    5579741f35fc66cd46bc44770523e0d7d88a4a50cc5465ccdaa13a05dd36137d

    SHA512

    1ad79c43bdae5c8f26176704a772bcac1435abed570c1fbccad9c3c863d74f23be52cbc6d39683d80fbdd836fb5436b35cc0a321470dc98b2d54c8263ed6016e

  • C:\Users\Admin\AppData\Local\Temp\7zSA239.tmp\VJKfgxxOfpOMjcu.exe
    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • C:\Users\Admin\AppData\Local\Temp\7zSA239.tmp\caajfokmfcbolfbhmokmooipfkfnpcdk\J76Jr.js
    Filesize

    6KB

    MD5

    f987252de6ad5cbe4d48077d111786bc

    SHA1

    249639a331100127a86d448b2fe535ebf6d50a05

    SHA256

    84c632e6cc25f37900242471d663b1653246ab8eccccd2f652904651482bbe5b

    SHA512

    c624ec12af22d7817c69183e74e39a2b181b6e1d3e150454a02af945a3b60bcb26e06836dac81cc8d08070ad13582ff83bbad50abb9730cba979208a315946e4

  • C:\Users\Admin\AppData\Local\Temp\7zSA239.tmp\caajfokmfcbolfbhmokmooipfkfnpcdk\background.html
    Filesize

    142B

    MD5

    9522ae64cb6ad438c8f9f1438162e645

    SHA1

    b96571ace62a29e1e6687ace4eb55c28fe042c5d

    SHA256

    312615b703fd659567af5d64452f3290cd9264d0a04e9a99a883974844ef5eb9

    SHA512

    c86129ca4c6101f97a0f62d95d3992a242ff9551d56d5ebb270dcbdb49366be5d9f028bfda05d29d6c3d7e97acd0c48565c298702212e6f40f23161f5ce5e8f7

  • C:\Users\Admin\AppData\Local\Temp\7zSA239.tmp\caajfokmfcbolfbhmokmooipfkfnpcdk\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zSA239.tmp\caajfokmfcbolfbhmokmooipfkfnpcdk\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zSA239.tmp\caajfokmfcbolfbhmokmooipfkfnpcdk\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • \Users\Admin\AppData\Local\Temp\7zSA239.tmp\VJKfgxxOfpOMjcu.exe
    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • memory/1552-54-0x0000000074DA1000-0x0000000074DA3000-memory.dmp
    Filesize

    8KB

  • memory/1800-56-0x0000000000000000-mapping.dmp