Analysis

  • max time kernel
    37s
  • max time network
    39s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    31-07-2021 20:26

General

  • Target

    b33bc799128d0e630270f09393c5f4dae1867782fbde2.exe

  • Size

    262KB

  • MD5

    b7db02446d1f0cc21a2259227b021313

  • SHA1

    77099382728356ad71d80226c90754a75e29fb06

  • SHA256

    b33bc799128d0e630270f09393c5f4dae1867782fbde21db3d7f6d5f945625d2

  • SHA512

    10ab722f5369e22357530ab73e6416e4ed616ffd5c29ea3f520b5830bd316e5ec9689c588ba95288dc09a0cc4c840c6abeb2c84823839606dc029a9f6d0c94e0

Malware Config

Extracted

Family

redline

Botnet

youngboy

C2

176.57.69.178:59510

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.

  • Accesses cryptocurrency files/wallets, 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b33bc799128d0e630270f09393c5f4dae1867782fbde2.exe
    "C:\Users\Admin\AppData\Local\Temp\b33bc799128d0e630270f09393c5f4dae1867782fbde2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Users\Admin\AppData\Local\Temp\b33bc799128d0e630270f09393c5f4dae1867782fbde2.exe
      C:\Users\Admin\AppData\Local\Temp\b33bc799128d0e630270f09393c5f4dae1867782fbde2.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:752

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/752-65-0x0000000000418E56-mapping.dmp
  • memory/752-64-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/752-66-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/752-68-0x0000000004DD0000-0x0000000004DD1000-memory.dmp
    Filesize

    4KB

  • memory/2004-60-0x0000000000900000-0x0000000000901000-memory.dmp
    Filesize

    4KB

  • memory/2004-62-0x0000000002150000-0x0000000002151000-memory.dmp
    Filesize

    4KB

  • memory/2004-63-0x0000000001DC0000-0x0000000001DDB000-memory.dmp
    Filesize

    108KB