Analysis

  • max time kernel
    122s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    08-11-2020 18:15

General

  • Target

    15877d60d725b49ea79fb8f0341a2b70c795192eba709d0c60b8288394903d85.exe

  • Size

    235KB

  • MD5

    897385950aad28169556fb8d37b06773

  • SHA1

    3044fd2031c822289cae1cb69ab7bd2efc174d44

  • SHA256

    15877d60d725b49ea79fb8f0341a2b70c795192eba709d0c60b8288394903d85

  • SHA512

    835c0612165d4a10348e24cfbbf5d111058fa73c6c112729c6a9e638f5c9d674e4dddac7c1b68e983182ba213c5eb4bbbae98efb90efe901cce4c597b14dcc4c

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\15877d60d725b49ea79fb8f0341a2b70c795192eba709d0c60b8288394903d85.exe
    "C:\Users\Admin\AppData\Local\Temp\15877d60d725b49ea79fb8f0341a2b70c795192eba709d0c60b8288394903d85.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:636
    • C:\Windows\SysWOW64\cmd.exe
      /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\15877d60d725b49ea79fb8f0341a2b70c795192eba709d0c60b8288394903d85.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:416
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 3
        3⤵
        • Delays execution with timeout.exe
        PID:2528

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

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Downloads

  • memory/416-2-0x0000000000000000-mapping.dmp
  • memory/636-0-0x0000000000906000-0x0000000000907000-memory.dmp
    Filesize

    4KB

  • memory/636-1-0x00000000025A0000-0x00000000025A1000-memory.dmp
    Filesize

    4KB

  • memory/2528-3-0x0000000000000000-mapping.dmp