Analysis

  • max time kernel
    71s
  • max time network
    101s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    22-10-2021 16:53

General

  • Target

    27988be4a41feb2b8b37dedb6949e9f4.exe

  • Size

    386KB

  • MD5

    27988be4a41feb2b8b37dedb6949e9f4

  • SHA1

    4bf776600242d676c07dab696999f13982f333ea

  • SHA256

    73d7def516f13281fd06673ef3b5b87eb99ba4f708dbfa78a11bf0de94b23df1

  • SHA512

    a4a0b3fb5730ffbf6de4a4261d06274b56fcc2c5d7c42c0731b43060a199ef166194648a52b34e4bf4cef7315c79f2a2ec1e7ae65c5d161766a5d3b6678df49a

Malware Config

Extracted

Family

redline

Botnet

james222

C2

135.181.129.119:4805

Signatures

  • RedLine

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

  • RedLine Payload 5 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\27988be4a41feb2b8b37dedb6949e9f4.exe
    "C:\Users\Admin\AppData\Local\Temp\27988be4a41feb2b8b37dedb6949e9f4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:524
    • C:\Users\Admin\AppData\Local\Temp\27988be4a41feb2b8b37dedb6949e9f4.exe
      C:\Users\Admin\AppData\Local\Temp\27988be4a41feb2b8b37dedb6949e9f4.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:632

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/524-54-0x0000000000E60000-0x0000000000E61000-memory.dmp
    Filesize

    4KB

  • memory/524-56-0x0000000004830000-0x0000000004831000-memory.dmp
    Filesize

    4KB

  • memory/632-58-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/632-57-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/632-60-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/632-59-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/632-61-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/632-62-0x0000000000418B0E-mapping.dmp
  • memory/632-63-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/632-65-0x00000000049F0000-0x00000000049F1000-memory.dmp
    Filesize

    4KB