Analysis

  • max time kernel
    153s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    13/10/2022, 21:17

General

  • Target

    5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.exe

  • Size

    112KB

  • MD5

    6cffb77aea71c4105374bdc0c07383b0

  • SHA1

    e455af1eb350057356fb2d4bf7662fcdb6beb13a

  • SHA256

    5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f

  • SHA512

    a40fe7281e118058877d4535eaea4b142a1da2ef083b2b803b90fecfe515a5bb91f7ff77d3a8d5998b547def05c91e9a1767442d9a1646d904120b7750346a2e

  • SSDEEP

    1536:JxqjQ+P04wsmJCeENVRD661ib/OekqIzjbany47IpgpHzb9dZVX9fHMvG0D3XJS+:sr85CnRD66Ybme5KLgXdZt9P6D3XJsU

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 3 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.

  • NSIS installer 6 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.exe
    "C:\Users\Admin\AppData\Local\Temp\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.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:1880
    • C:\Users\Admin\AppData\Local\Temp\3582-490\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1144

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\3582-490\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.exe

          Filesize

          72KB

          MD5

          3d12c342140706d5671853d3f6b2794b

          SHA1

          14c7e119c879e1e608ae73a7c345c7b863b8f3e9

          SHA256

          7c87596f31f7481f330dbf042d4655af9eb4c9a381a1fb2cd9df02eef6798eb8

          SHA512

          813d72805ad7561539048a779e86d05a8f96dfedbc2d7903e758affff1e15a25db73e2dc3069ac80413d63423b54d60d24fe891b4707e91c544897ad2d3a7773

        • C:\Users\Admin\AppData\Local\Temp\3582-490\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.exe

          Filesize

          72KB

          MD5

          3d12c342140706d5671853d3f6b2794b

          SHA1

          14c7e119c879e1e608ae73a7c345c7b863b8f3e9

          SHA256

          7c87596f31f7481f330dbf042d4655af9eb4c9a381a1fb2cd9df02eef6798eb8

          SHA512

          813d72805ad7561539048a779e86d05a8f96dfedbc2d7903e758affff1e15a25db73e2dc3069ac80413d63423b54d60d24fe891b4707e91c544897ad2d3a7773

        • \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\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.exe

          Filesize

          72KB

          MD5

          3d12c342140706d5671853d3f6b2794b

          SHA1

          14c7e119c879e1e608ae73a7c345c7b863b8f3e9

          SHA256

          7c87596f31f7481f330dbf042d4655af9eb4c9a381a1fb2cd9df02eef6798eb8

          SHA512

          813d72805ad7561539048a779e86d05a8f96dfedbc2d7903e758affff1e15a25db73e2dc3069ac80413d63423b54d60d24fe891b4707e91c544897ad2d3a7773

        • \Users\Admin\AppData\Local\Temp\nsy49FD.tmp\NSISdl.dll

          Filesize

          14KB

          MD5

          a5f8399a743ab7f9c88c645c35b1ebb5

          SHA1

          168f3c158913b0367bf79fa413357fbe97018191

          SHA256

          dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

          SHA512

          824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

        • memory/1880-54-0x0000000076DC1000-0x0000000076DC3000-memory.dmp

          Filesize

          8KB