Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    21-04-2021 18:03

General

  • Target

    828286a465b64587f2cfdb7b10319fca29c9a6b8c6903edc26044edca78e69ed.exe

  • Size

    346KB

  • MD5

    046d664c5ed7f8bab938bc3709e328c3

  • SHA1

    76b7226474b83973c8104ead1743ee9240e42e3d

  • SHA256

    828286a465b64587f2cfdb7b10319fca29c9a6b8c6903edc26044edca78e69ed

  • SHA512

    5629b784bc51695d40f5af3bb0270e601a2692fdeee973841dfbdf14ab28245caba3848d36947dbfbb45e391e5fac0d862a751658e9fae5e7084c0bd48bfaa5c

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\828286a465b64587f2cfdb7b10319fca29c9a6b8c6903edc26044edca78e69ed.exe
    "C:\Users\Admin\AppData\Local\Temp\828286a465b64587f2cfdb7b10319fca29c9a6b8c6903edc26044edca78e69ed.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3876
    • C:\Windows\SysWOW64\cmd.exe
      /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\828286a465b64587f2cfdb7b10319fca29c9a6b8c6903edc26044edca78e69ed.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3964
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 3
        3⤵
        • Delays execution with timeout.exe
        PID:3564

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3564-117-0x0000000000000000-mapping.dmp
  • memory/3876-114-0x0000000002E00000-0x0000000002E38000-memory.dmp
    Filesize

    224KB

  • memory/3876-115-0x0000000000400000-0x0000000002BC7000-memory.dmp
    Filesize

    39.8MB

  • memory/3964-116-0x0000000000000000-mapping.dmp