Analysis

  • max time kernel
    46s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 19:19

General

  • Target

    c97e3772b10d31efdb9b816b7f48ec4df08a10f773203b91b54a3ac848b09045.exe

  • Size

    920KB

  • MD5

    6d7026c8f5d9b61af5c1f0a75ec09db9

  • SHA1

    6b4c4c9265695443d8598254c04f17ed016e6b71

  • SHA256

    c97e3772b10d31efdb9b816b7f48ec4df08a10f773203b91b54a3ac848b09045

  • SHA512

    6478f1591c9d449006e31caf1b7897ec8c27c6605c4aa5ae512de7748a3260d613994901efac43a165d9610b70cdc33033598d2c616f00c8fd0656f2a638eb4b

  • SSDEEP

    24576:h1OYdaOLMtdHAqcdDVhYwiei7+EpFAh/kK2:h1OsSPHVmVhYwiLtKkK2

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\c97e3772b10d31efdb9b816b7f48ec4df08a10f773203b91b54a3ac848b09045.exe
    "C:\Users\Admin\AppData\Local\Temp\c97e3772b10d31efdb9b816b7f48ec4df08a10f773203b91b54a3ac848b09045.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1060
    • C:\Users\Admin\AppData\Local\Temp\7zS9A2.tmp\vtofzTMsiPalYAF.exe
      .\vtofzTMsiPalYAF.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:900

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\7zS9A2.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS9A2.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    62ca1f71219b1f45b40e864263d4b3a6

    SHA1

    a081e6781f5e543dd9b56d2ecda91759adf90107

    SHA256

    312233ebac5d53c69fe8c615381173022f112785f8508795290b9c6c9b0efd66

    SHA512

    be02094ee277fc19a6cb00a03205ab2c772432995cb034333ef9100e973d201d0ff0ea64976d80babf2b9eea29eb9fa1a05045b555e7c864b9d74b3b08ff4b41

  • C:\Users\Admin\AppData\Local\Temp\7zS9A2.tmp\[email protected]\content\bg.js
    Filesize

    8KB

    MD5

    5bc650a81f0c7f555dec2fa3237145f5

    SHA1

    b9b1c50ff9f70e5d6dd76eed40de4d1380340bf8

    SHA256

    089a044420247edad7b173305697e17d99c3ffdb954436bf5db5f7d4743f5edd

    SHA512

    f3a3320298bdeb3d49ad430067b59cb2ed15c24c6b1b4252404b1782dd200a22930d0c9623bf04d143a7c74d6b198c2f6495a1fee4b6265f8116261f582f7016

  • C:\Users\Admin\AppData\Local\Temp\7zS9A2.tmp\[email protected]\install.rdf
    Filesize

    592B

    MD5

    23bbb0f86fe6c76b54cabe7c16926e5e

    SHA1

    42f8d0798791ca74fba9978671f2e4a4f699b0aa

    SHA256

    a391236f33f19645820d1cb9c67b33f27cb56b77ee7bf12ab07d334db7452320

    SHA512

    82d4b84a161f581cfd05d6ab12c6de9e06df62593e0d98add732b864cf1b09de7927192dbd05be671396c01a7164c58e98b90ba424c8af51675f8ca298ce0e17

  • C:\Users\Admin\AppData\Local\Temp\7zS9A2.tmp\mckcagggepemckemipkomaeffjkecflf\H.js
    Filesize

    6KB

    MD5

    c1f21769b61438c1c9c4c0689b7f30e9

    SHA1

    f44844f1c796294d6bfa4d7594df4fde4857241b

    SHA256

    c9bcac9c64a86a6d3742af53623aebcf79a861e2897490fd3af4ef04605c5979

    SHA512

    19504cf93d3aa224d53c21cb8e170cee3042de288932380ef41cdd8182d78a8256d3b2a63436cd94ef632c03416554e5c1e2a6f4c08cf60da5dc65b58e10ca26

  • C:\Users\Admin\AppData\Local\Temp\7zS9A2.tmp\mckcagggepemckemipkomaeffjkecflf\background.html
    Filesize

    138B

    MD5

    6f78a9f8b3159b436ed441ca0fa88fb7

    SHA1

    78b91858aceb4c4b345970b7f5375bd9c5cee5e7

    SHA256

    df00d7c896f5836452fe07dd66a17dd46157fdec21d3c8ca886b1a7ba909165e

    SHA512

    f867296bae6366e6328c8bead204c16130aad48e3c8770a99bf994eb85e7d31c748ed6d219c5bbcc8b2619c0721396213dfe82e4c0072938f6135ca91d627d77

  • C:\Users\Admin\AppData\Local\Temp\7zS9A2.tmp\mckcagggepemckemipkomaeffjkecflf\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS9A2.tmp\mckcagggepemckemipkomaeffjkecflf\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS9A2.tmp\mckcagggepemckemipkomaeffjkecflf\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zS9A2.tmp\vtofzTMsiPalYAF.dat
    Filesize

    1KB

    MD5

    7efd29fcae657ae0d14133b06b0f5f24

    SHA1

    f6dcd2e6549043ce7657efce48117c6f24694839

    SHA256

    3018ab44fc54cfed9dbd7ac43755afa553e9e8923141b09cf38a5e4bcd5c5df5

    SHA512

    f1542b5d311e3c1f96a3dd656bbb4e54bc072a58bbbfcfbccbda94eb0a112b1ef352c4952a16de491c38c305170fe75dc2d6d5fba0dc7e4c13eb51447a85d68e

  • C:\Users\Admin\AppData\Local\Temp\7zS9A2.tmp\vtofzTMsiPalYAF.exe
    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • \Users\Admin\AppData\Local\Temp\7zS9A2.tmp\vtofzTMsiPalYAF.exe
    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • memory/900-56-0x0000000000000000-mapping.dmp
  • memory/1060-54-0x0000000074DC1000-0x0000000074DC3000-memory.dmp
    Filesize

    8KB