Analysis

  • max time kernel
    93s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    13-07-2021 17:54

General

  • Target

    can.exe

  • Size

    1.0MB

  • MD5

    5f70bb21955777e10ca01ead27d16b44

  • SHA1

    2f7d8adfb506718346d94177103d1d976380a9b4

  • SHA256

    84c1024292142c4d234701e830aedcbd865311693f0d8ac75596deee268c7db5

  • SHA512

    69f55a7902a4241c008c745a8f3bbc261bf0f9698f0b0b93aafb6ab8ce47b4e0eba47879e32404d6c3cdfab14cf55f60d5de4c34050bcb377f7f92a5a1ed16f4

Malware Config

Signatures

  • A310logger

    A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.

  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty Payload 2 IoCs
  • A310logger Executable 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\can.exe
    "C:\Users\Admin\AppData\Local\Temp\can.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:508
    • C:\Users\Admin\AppData\Local\Temp\can.exe
      "C:\Users\Admin\AppData\Local\Temp\can.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1972
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\PASSWORDSNET4.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\PASSWORDSNET4.exe
        3⤵
        • Executes dropped EXE
        • Checks processor information in registry
        PID:3968
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\CREDITCARDNET4.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\CREDITCARDNET4.exe
        3⤵
        • Executes dropped EXE
        PID:296

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/296-139-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/508-120-0x00000000054C0000-0x00000000054C1000-memory.dmp

    Filesize

    4KB

  • memory/508-116-0x0000000005290000-0x0000000005291000-memory.dmp

    Filesize

    4KB

  • memory/508-124-0x00000000078A0000-0x0000000007911000-memory.dmp

    Filesize

    452KB

  • memory/508-118-0x0000000005330000-0x0000000005331000-memory.dmp

    Filesize

    4KB

  • memory/508-119-0x0000000005400000-0x0000000005401000-memory.dmp

    Filesize

    4KB

  • memory/508-114-0x00000000008E0000-0x00000000008E1000-memory.dmp

    Filesize

    4KB

  • memory/508-117-0x0000000005830000-0x0000000005831000-memory.dmp

    Filesize

    4KB

  • memory/508-123-0x00000000076D0000-0x0000000007785000-memory.dmp

    Filesize

    724KB

  • memory/508-122-0x0000000004C80000-0x0000000004C90000-memory.dmp

    Filesize

    64KB

  • memory/508-121-0x0000000005270000-0x0000000005271000-memory.dmp

    Filesize

    4KB

  • memory/1972-130-0x0000000003060000-0x0000000003062000-memory.dmp

    Filesize

    8KB

  • memory/1972-129-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1972-125-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/3968-134-0x0000000000740000-0x0000000000741000-memory.dmp

    Filesize

    4KB