Analysis

  • max time kernel
    113s
  • max time network
    78s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • submitted
    13-06-2022 09:01

General

  • Target

    a70171a1bc2a7fba0f4dcc65d2f0458f4e08388fcea7fe880c26341dcaaed413.exe

  • Size

    939KB

  • MD5

    89a332fd5581babca990f18a2d51d0da

  • SHA1

    0a8e53e9046ed6da95e455117f49c49b546a0c2c

  • SHA256

    a70171a1bc2a7fba0f4dcc65d2f0458f4e08388fcea7fe880c26341dcaaed413

  • SHA512

    a96bee9ee61d230c19737418f5390e7724e4520c53aca179be4f3cb212ede4c63e27f7143242a62b7bac64b63030c8708bcf1e16ce4df8cdbd126f0b1aec2a05

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
  • 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 55 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.

  • Program crash 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a70171a1bc2a7fba0f4dcc65d2f0458f4e08388fcea7fe880c26341dcaaed413.exe
    "C:\Users\Admin\AppData\Local\Temp\a70171a1bc2a7fba0f4dcc65d2f0458f4e08388fcea7fe880c26341dcaaed413.exe"
    1⤵
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Users\Admin\AppData\Local\Temp\3582-490\a70171a1bc2a7fba0f4dcc65d2f0458f4e08388fcea7fe880c26341dcaaed413.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\a70171a1bc2a7fba0f4dcc65d2f0458f4e08388fcea7fe880c26341dcaaed413.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4568
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4568 -s 768
        3⤵
        • Program crash
        PID:1284

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\a70171a1bc2a7fba0f4dcc65d2f0458f4e08388fcea7fe880c26341dcaaed413.exe

    Filesize

    899KB

    MD5

    e167ddc32938561b2a9e63c181a815ae

    SHA1

    b651f3786f0bf09d4aac4003e4d261f0dcd44072

    SHA256

    b907e3d83695ba1ac9894b33985c2a4b28eeca3b8b89eefce876222c771a3ca7

    SHA512

    ae3d3ea44ae69f7b2c3a62d08905c6ed4350acd7097c9df6bd586318262938626e6d1b085ec0491f56216fedb088f3ac6217a70853951560316209c2196bc33e

  • C:\Users\Admin\AppData\Local\Temp\3582-490\a70171a1bc2a7fba0f4dcc65d2f0458f4e08388fcea7fe880c26341dcaaed413.exe

    Filesize

    899KB

    MD5

    e167ddc32938561b2a9e63c181a815ae

    SHA1

    b651f3786f0bf09d4aac4003e4d261f0dcd44072

    SHA256

    b907e3d83695ba1ac9894b33985c2a4b28eeca3b8b89eefce876222c771a3ca7

    SHA512

    ae3d3ea44ae69f7b2c3a62d08905c6ed4350acd7097c9df6bd586318262938626e6d1b085ec0491f56216fedb088f3ac6217a70853951560316209c2196bc33e

  • memory/2016-117-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-118-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-119-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-120-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-121-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-122-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-123-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-124-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-125-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-126-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-127-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-128-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-129-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-130-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-131-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-132-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-133-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-135-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-136-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-137-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-134-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-138-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-139-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-140-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-141-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-142-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-143-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-144-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-145-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-146-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-147-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-148-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-149-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-150-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-151-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-152-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-153-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-154-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-155-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-156-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-157-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-158-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/4568-159-0x0000000000000000-mapping.dmp

  • memory/4568-161-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/4568-162-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/4568-163-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/4568-164-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/4568-165-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/4568-166-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/4568-167-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/4568-168-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/4568-170-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/4568-171-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/4568-172-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/4568-173-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/4568-174-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/4568-175-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/4568-176-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/4568-177-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/4568-178-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/4568-179-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/4568-180-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/4568-181-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/4568-182-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/4568-183-0x0000000077CE0000-0x0000000077E6E000-memory.dmp

    Filesize

    1.6MB

  • memory/4568-195-0x0000000000230000-0x000000000031A000-memory.dmp

    Filesize

    936KB