Analysis

  • max time kernel
    44s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    19-11-2022 23:21

General

  • Target

    73072dfdf3c69bacaad4fb6df63d8357ff1616b548ba0c3c7edf399dd1b40481.exe

  • Size

    418KB

  • MD5

    32f6766e2f2a0e01101198b0ecaa2700

  • SHA1

    08d675820b1a99d6826b8ec0de01510426ba1907

  • SHA256

    73072dfdf3c69bacaad4fb6df63d8357ff1616b548ba0c3c7edf399dd1b40481

  • SHA512

    c380dd939c8ef61094038fba11230e31ce0da884f4eb5620f115842b0e11b32f13502712cdacc3901d22ca7f1ce0dc704da49f7cd436d90d06dff1775bb704c9

  • SSDEEP

    6144:k9mSZa94EAvee7KLBoQSHzue1G/XOguExu:LSZa9XvLBTTLo

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 2 IoCs
  • Loads dropped DLL 4 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\73072dfdf3c69bacaad4fb6df63d8357ff1616b548ba0c3c7edf399dd1b40481.exe
    "C:\Users\Admin\AppData\Local\Temp\73072dfdf3c69bacaad4fb6df63d8357ff1616b548ba0c3c7edf399dd1b40481.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:1916
    • C:\Users\Admin\AppData\Local\Temp\3582-490\73072dfdf3c69bacaad4fb6df63d8357ff1616b548ba0c3c7edf399dd1b40481.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\73072dfdf3c69bacaad4fb6df63d8357ff1616b548ba0c3c7edf399dd1b40481.exe"
      2⤵
      • Executes dropped EXE
      PID:1600

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\73072dfdf3c69bacaad4fb6df63d8357ff1616b548ba0c3c7edf399dd1b40481.exe

    Filesize

    378KB

    MD5

    e7698c44f686354f3bfb9fcdd69dc61a

    SHA1

    dcbe9f2359d767c370f2ba7385cbb6c69a25ee25

    SHA256

    72d103b27124f4be1581312c6a4afcdcba986fe79385e9839ced751540fdc19c

    SHA512

    27e933c2d27b0d59d28f8d76298dc9b879b6f4a0a2c00e29b90c43122642e2c582308ce24c9ef9d95bd053ed6c3c23536216c1543da7a334d1ae8c15413836f8

  • \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\73072dfdf3c69bacaad4fb6df63d8357ff1616b548ba0c3c7edf399dd1b40481.exe

    Filesize

    378KB

    MD5

    e7698c44f686354f3bfb9fcdd69dc61a

    SHA1

    dcbe9f2359d767c370f2ba7385cbb6c69a25ee25

    SHA256

    72d103b27124f4be1581312c6a4afcdcba986fe79385e9839ced751540fdc19c

    SHA512

    27e933c2d27b0d59d28f8d76298dc9b879b6f4a0a2c00e29b90c43122642e2c582308ce24c9ef9d95bd053ed6c3c23536216c1543da7a334d1ae8c15413836f8

  • \Users\Admin\AppData\Local\Temp\3582-490\73072dfdf3c69bacaad4fb6df63d8357ff1616b548ba0c3c7edf399dd1b40481.exe

    Filesize

    378KB

    MD5

    e7698c44f686354f3bfb9fcdd69dc61a

    SHA1

    dcbe9f2359d767c370f2ba7385cbb6c69a25ee25

    SHA256

    72d103b27124f4be1581312c6a4afcdcba986fe79385e9839ced751540fdc19c

    SHA512

    27e933c2d27b0d59d28f8d76298dc9b879b6f4a0a2c00e29b90c43122642e2c582308ce24c9ef9d95bd053ed6c3c23536216c1543da7a334d1ae8c15413836f8

  • \Users\Admin\AppData\Local\Temp\3582-490\73072dfdf3c69bacaad4fb6df63d8357ff1616b548ba0c3c7edf399dd1b40481.exe

    Filesize

    378KB

    MD5

    e7698c44f686354f3bfb9fcdd69dc61a

    SHA1

    dcbe9f2359d767c370f2ba7385cbb6c69a25ee25

    SHA256

    72d103b27124f4be1581312c6a4afcdcba986fe79385e9839ced751540fdc19c

    SHA512

    27e933c2d27b0d59d28f8d76298dc9b879b6f4a0a2c00e29b90c43122642e2c582308ce24c9ef9d95bd053ed6c3c23536216c1543da7a334d1ae8c15413836f8

  • \Users\Admin\AppData\Local\Temp\3582-490\73072dfdf3c69bacaad4fb6df63d8357ff1616b548ba0c3c7edf399dd1b40481.exe

    Filesize

    378KB

    MD5

    e7698c44f686354f3bfb9fcdd69dc61a

    SHA1

    dcbe9f2359d767c370f2ba7385cbb6c69a25ee25

    SHA256

    72d103b27124f4be1581312c6a4afcdcba986fe79385e9839ced751540fdc19c

    SHA512

    27e933c2d27b0d59d28f8d76298dc9b879b6f4a0a2c00e29b90c43122642e2c582308ce24c9ef9d95bd053ed6c3c23536216c1543da7a334d1ae8c15413836f8

  • memory/1600-57-0x0000000000000000-mapping.dmp

  • memory/1600-59-0x000007FEFB901000-0x000007FEFB903000-memory.dmp

    Filesize

    8KB

  • memory/1916-54-0x0000000075C51000-0x0000000075C53000-memory.dmp

    Filesize

    8KB