Analysis

  • max time kernel
    129s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    23-02-2021 19:14

General

  • Target

    OneTapV4.exe

  • Size

    831KB

  • MD5

    51e9c5a0bcf4e9e1e9f33bd91b3e50f2

  • SHA1

    f6fd583d071cf8167fc065fbddbb89c92d18f4cf

  • SHA256

    75ae1751515b48d24859c91fd08bd0595d84decb06566c1d3eec6363b0be9d82

  • SHA512

    4ace76f28cdd99eded87003fe7d3d2a89f1e0f0862f8fb00fd7132c4092c7813ba154a726736881b36e8911b9957f50c9f35f8305970d956e4529092394163e9

Malware Config

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\OneTapV4.exe
    "C:\Users\Admin\AppData\Local\Temp\OneTapV4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1656
    • C:\Users\Admin\AppData\Local\Temp\OneTapV4.exe
      "C:\Users\Admin\AppData\Local\Temp\OneTapV4.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:472

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/472-8-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/472-9-0x000000000041EFE2-mapping.dmp
  • memory/472-10-0x0000000074000000-0x00000000746EE000-memory.dmp
    Filesize

    6.9MB

  • memory/472-11-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/472-13-0x0000000001030000-0x0000000001031000-memory.dmp
    Filesize

    4KB

  • memory/1656-2-0x0000000074000000-0x00000000746EE000-memory.dmp
    Filesize

    6.9MB

  • memory/1656-3-0x00000000010A0000-0x00000000010A1000-memory.dmp
    Filesize

    4KB

  • memory/1656-5-0x0000000007110000-0x0000000007111000-memory.dmp
    Filesize

    4KB

  • memory/1656-6-0x0000000000550000-0x0000000000554000-memory.dmp
    Filesize

    16KB

  • memory/1656-7-0x0000000004AA0000-0x0000000004AE7000-memory.dmp
    Filesize

    284KB