Analysis

  • max time kernel
    56s
  • max time network
    125s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    27-06-2021 11:20

General

  • Target

    A4.exe

  • Size

    421KB

  • MD5

    6972482b38fda49d5ea9f11bd2496909

  • SHA1

    3f70b20432fa4ceb9cff4c3bd28028183d7e6fa3

  • SHA256

    69e411368f9407c3c25b453792bd383fed96eb6bb6a7e9d0cf06d980add295c6

  • SHA512

    364238d4e97a6811f3fa3942ce528e4fd0a0666539d881d43c7e37428dbe6a05c1fc018e873ba3d02fe0bfee6522013f361fd8c8962dad99ef4734207b71079e

Malware Config

Extracted

Family

redline

Botnet

new

C2

45.134.225.35:7821

Signatures

  • RedLine

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

  • RedLine Payload 2 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\A4.exe
    "C:\Users\Admin\AppData\Local\Temp\A4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3724
    • C:\Users\Admin\AppData\Local\Temp\A4.exe
      C:\Users\Admin\AppData\Local\Temp\A4.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1540

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1540-135-0x0000000004FF0000-0x0000000004FF1000-memory.dmp

    Filesize

    4KB

  • memory/1540-126-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/1540-132-0x0000000004F50000-0x0000000004F51000-memory.dmp

    Filesize

    4KB

  • memory/1540-141-0x0000000006CA0000-0x0000000006CA1000-memory.dmp

    Filesize

    4KB

  • memory/1540-133-0x0000000002A30000-0x0000000002A31000-memory.dmp

    Filesize

    4KB

  • memory/1540-140-0x0000000007160000-0x0000000007161000-memory.dmp

    Filesize

    4KB

  • memory/1540-134-0x0000000004FB0000-0x0000000004FB1000-memory.dmp

    Filesize

    4KB

  • memory/1540-139-0x0000000006A60000-0x0000000006A61000-memory.dmp

    Filesize

    4KB

  • memory/1540-138-0x0000000006390000-0x0000000006391000-memory.dmp

    Filesize

    4KB

  • memory/1540-131-0x0000000005540000-0x0000000005541000-memory.dmp

    Filesize

    4KB

  • memory/1540-136-0x0000000005250000-0x0000000005251000-memory.dmp

    Filesize

    4KB

  • memory/3724-114-0x0000000000680000-0x0000000000681000-memory.dmp

    Filesize

    4KB

  • memory/3724-119-0x0000000004FC0000-0x0000000004FC1000-memory.dmp

    Filesize

    4KB

  • memory/3724-122-0x0000000004EE0000-0x0000000004F32000-memory.dmp

    Filesize

    328KB

  • memory/3724-116-0x0000000002920000-0x000000000292C000-memory.dmp

    Filesize

    48KB

  • memory/3724-125-0x00000000050D0000-0x00000000050D1000-memory.dmp

    Filesize

    4KB