Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    15-02-2021 07:57

General

  • Target

    b38081db438dc4757be31b71506d8401.exe

  • Size

    1.5MB

  • MD5

    b38081db438dc4757be31b71506d8401

  • SHA1

    85f4ec272f54e58007aed382973291aef789ba92

  • SHA256

    82bd69c7b58c486211c511d719f44cf734ddc90d062431ef366d77f32557b5e6

  • SHA512

    dd6a820ecfe1893b3cd74fa7b71d90faaaecfba0d3545f91821867eff11d9926ab7140534d6a5d6342e87d6a57f7bae38cca2cbf48ab266ac87ae87cd1a0ab66

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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b38081db438dc4757be31b71506d8401.exe
    "C:\Users\Admin\AppData\Local\Temp\b38081db438dc4757be31b71506d8401.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1596
    • C:\Users\Admin\AppData\Local\Temp\b38081db438dc4757be31b71506d8401.exe
      "C:\Users\Admin\AppData\Local\Temp\b38081db438dc4757be31b71506d8401.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1664

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1596-2-0x0000000074450000-0x0000000074B3E000-memory.dmp

    Filesize

    6.9MB

  • memory/1596-3-0x0000000001240000-0x0000000001241000-memory.dmp

    Filesize

    4KB

  • memory/1596-5-0x0000000000DC0000-0x0000000000DC1000-memory.dmp

    Filesize

    4KB

  • memory/1596-7-0x0000000000B80000-0x0000000000B9E000-memory.dmp

    Filesize

    120KB

  • memory/1596-8-0x0000000000640000-0x0000000000641000-memory.dmp

    Filesize

    4KB

  • memory/1596-9-0x0000000000C30000-0x0000000000C3B000-memory.dmp

    Filesize

    44KB

  • memory/1596-10-0x0000000000E00000-0x0000000000E01000-memory.dmp

    Filesize

    4KB

  • memory/1664-11-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/1664-12-0x0000000000423E1A-mapping.dmp

  • memory/1664-13-0x0000000074450000-0x0000000074B3E000-memory.dmp

    Filesize

    6.9MB

  • memory/1664-14-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/1664-16-0x0000000000FC0000-0x0000000000FC1000-memory.dmp

    Filesize

    4KB