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Analysis

  • max time kernel
    153s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30/10/2022, 02:53

General

  • Target

    ba8998c9009819ce863722c07ed50bf53b3510fc7957925b52823d540c9ae85b.exe

  • Size

    211KB

  • MD5

    4d0f9bf577e586fa06e3b4bac4e89124

  • SHA1

    ddf2d24b43a2c0cc7510741dad3a3b88b0f44656

  • SHA256

    ba8998c9009819ce863722c07ed50bf53b3510fc7957925b52823d540c9ae85b

  • SHA512

    68da2f1948756c0373608c9273d06724607da0f243c46dfc039285151546d39822bb6a244c6a575f5885492d28b6b5cfe0c15410d8c0ced17bc1684642bb63f7

  • SSDEEP

    3072:sr85C/qiFV/wkn2R6RKtYxt32TBfxrMjZqMNdhAl/TU+HgO9hz9tWJ:k9/d/KR6RKmxl2TBivzE/QqL9tWJ

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ba8998c9009819ce863722c07ed50bf53b3510fc7957925b52823d540c9ae85b.exe
    "C:\Users\Admin\AppData\Local\Temp\ba8998c9009819ce863722c07ed50bf53b3510fc7957925b52823d540c9ae85b.exe"
    1⤵
    • Modifies system executable filetype association
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1148
    • C:\Users\Admin\AppData\Local\Temp\3582-490\ba8998c9009819ce863722c07ed50bf53b3510fc7957925b52823d540c9ae85b.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\ba8998c9009819ce863722c07ed50bf53b3510fc7957925b52823d540c9ae85b.exe"
      2⤵
      • Executes dropped EXE
      PID:1640

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\ba8998c9009819ce863722c07ed50bf53b3510fc7957925b52823d540c9ae85b.exe

    Filesize

    170KB

    MD5

    a1987d2842e598d20fd4d0453742eedb

    SHA1

    bf178c811c6b40d6d460401383924647970d31da

    SHA256

    e7bffecf2192b38b76132d7b944ea97feca2b71d6546f2a81a559242d2d61544

    SHA512

    7a4ade60d61adf038574e5337216123b9105ec8f0657d132410b90e67cfc2eb8ed9f841294fa7d0d453c8e04d6c245605d20077a0064b6e2cabc83ac36631267

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\ba8998c9009819ce863722c07ed50bf53b3510fc7957925b52823d540c9ae85b.exe

    Filesize

    170KB

    MD5

    a1987d2842e598d20fd4d0453742eedb

    SHA1

    bf178c811c6b40d6d460401383924647970d31da

    SHA256

    e7bffecf2192b38b76132d7b944ea97feca2b71d6546f2a81a559242d2d61544

    SHA512

    7a4ade60d61adf038574e5337216123b9105ec8f0657d132410b90e67cfc2eb8ed9f841294fa7d0d453c8e04d6c245605d20077a0064b6e2cabc83ac36631267

  • memory/1148-54-0x0000000075041000-0x0000000075043000-memory.dmp

    Filesize

    8KB